6 Best Automatic Transmission Fluid 2026 – Tested, Rated & Ranked

1. Valvoline MaxLife Multi-Vehicle ATF Automatic Transmission Fluid Review

Valvoline MaxLife Multi-Vehicle ATF is engineered as a full synthetic solution tailored to meet the demanding requirements of modern transmissions while revitalizing older systems. Transmissions face intense frictional heat and shear stress, which can quickly degrade conventional mineral oils and lead to sluggish shifting or premature mechanical wear. By utilizing a full synthetic base stock bolstered with advanced additive packages, this formulation resists thermal degradation and maintains consistent viscosity across a broad operational spectrum.

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A notable aspect of the MaxLife formula is its broad coverage. Engineered to service roughly 95% of light-duty vehicles registered in the United States, it provides wide compatibility that spans traditional stepped automatic gearboxes as well as many continuously variable transmissions (CVTs). This wide-ranging usability minimizes the guesswork often associated with fluid matching, making it a dependable choice for multi-vehicle households and commercial garages alike.

In addition to broad compatibility, the formula directly targets age-related transmission vulnerabilities. Over extended mileage, rubber seals and gaskets inside the transmission naturally lose their flexibility, hardening and contracting under sustained heat cycles. Valvoline integrates high-performance conditioning agents specifically to restore and maintain seal elasticity, directly curbing the risk of persistent leaks and fluid loss before they result in major mechanical breakdowns.

Key Features That Stand Out

• Broad Vehicle Compatibility: Engineered for use in up to 95% of light-duty vehicles operating in the US, including most CVT applications.
• Full Synthetic Formulation: Employs synthetic base stocks combined with advanced additive chemistry to outlast and outperform traditional conventional fluids.
• Active Seal Conditioners: Formulated with dedicated conditioning agents that preserve seal pliability to proactively counter internal and external fluid leaks.
• Robust Anti-Wear Chemistry: Delivers heavy-duty friction and wear protection to safeguard delicate gear sets, bearings, and clutch material.
• All-Weather Thermal Range: Maintains optimal fluid flow during freezing cold starts while resisting thermal breakdown and thinning in extreme high-heat environments.

Why We Recommend It

Valvoline MaxLife Multi-Vehicle ATF earns top placement because it balances universal compatibility with targeted protective technology. Many multi-vehicle fluids sacrifice dedicated wear prevention to achieve broad compatibility, but MaxLife integrates a potent friction modifier and anti-wear package that preserves crisp shift feel without sacrificing internal component protection. It effectively bridges the gap between the requirements of high-mileage vehicles that need extra leak protection and newer systems demanding sheer synthetic endurance.

Furthermore, the thermal stability of this full synthetic formulation provides a dependable cushion against real-world driving stresses such as stop-and-go commuting, high-temperature climates, and heavy load carrying. By resisting oil oxidation and varnish formation, the fluid keeps transmission valves and solenoids clean, supporting prompt hydraulic response and reducing the overall likelihood of expensive transmission overhauls.

Performance Analysis

From an operational standpoint, transmission fluid must excel in two distinct thermal domains: pumpability at sub-zero temperatures and high-shear stability under severe heat. Valvoline MaxLife demonstrates balanced flow properties during cold starts, allowing hydraulic pressure to build rapidly and minimizing rough, sluggish morning shifts. In sustained high-heat operating conditions, the synthetic molecular chain resists shear thinning, ensuring the fluid maintains adequate film thickness to protect planetary gears and sensitive bearing surfaces.

The friction profile of the fluid is calibrated to prevent slippage across varying torque loads while ensuring smooth engagement between clutch plates. Combined with its specialized seal conditioners, the fluid works continuously to prevent the elastomer hardening that leads to dripline leaks. This dual focus on frictional integrity and seal preservation yields consistent shift predictability and long-term durability across diverse transmission designs.

Best For

This transmission fluid is best suited for vehicle owners and DIY mechanics looking for a dependable, high-quality synthetic fluid that can service a wide range of light-duty cars, SUVs, and trucks. It is especially ideal for vehicles with accumulated mileage where seal reconditioning and aggressive anti-wear protection are critical for prolonging the life of the drivetrain.

Valvoline MaxLife Multi-Vehicle ATF Pros

• Covers approximately 95% of US light-duty vehicles, including many CVT designs.
• Full synthetic base stock offers superior resistance to thermal breakdown compared to conventional fluids.
• Dedicated seal conditioners help prevent and resolve minor fluid leaks.
• Enhanced anti-wear technology prolongs component life in both low and high operating temperatures.

Valvoline MaxLife Multi-Vehicle ATF Cons

• May not be compatible with certain highly specialized or low-viscosity European OEM specifications.
• The broad multi-vehicle focus might not suit buyers looking exclusively for single-spec factory original formulations.

2. ACDelco Gold TF289 Automatic Transmission Fluid Review

A comprehensive transmission service requires more than simply draining and topping off lubricant; it also depends on effective filtration to keep that fluid clean. The ACDelco Gold TF289 (25174487) Automatic Transmission Fluid Filter Kit serves as an essential companion component during a transmission fluid service. Listed at $25.71 and holding a 4.4 out of 5 user rating, this kit targets vehicle owners and technicians seeking a dependable replacement that maintains hydraulic cleanliness throughout routine service intervals.

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Positioned within the ACDelco Gold line—a tier that includes parts previously designated under the ACDelco Professional name—this kit is engineered as a premium aftermarket replacement. It is manufactured to meet rigorous specifications for fit, form, and function. While heavily associated with General Motors platforms, the engineering is designed to support a range of makes and models, offering consistent fluid flow and dependable sealing once bolted into the transmission pan.

The centerpiece of the TF289 kit is its specialized felt filter media. Automatic transmissions depend heavily on steady fluid dynamics and pressure consistency to execute smooth gear changes. By capturing circulating wear particles, metal shavings, and clutch debris before they reach delicate valve bodies, this filter helps preserve the health and longevity of freshly installed automatic transmission fluid.

Key Features That Stand Out

• Felt Filter Media: Engineered to provide high-filtration efficiency while maintaining unimpeded transmission fluid circulation.
• ACDelco Gold Quality: High-tier aftermarket replacement standard, previously branded under the ACDelco Professional line.
• OEM-Level Fit and Form: Built to match factory specifications for General Motors vehicles as well as various other makes and models.
• Complete Replacement Assembly: Delivered as a dedicated filter kit to streamline transmission pan drop and fluid renewal jobs.
• Standard Dimensions: Packaged at 10 x 7.9 x 4.4 inches for straightforward handling during underbody installations.

Why We Recommend It

Fresh automatic transmission fluid is only as durable as the system that circulates it. Installing clean fluid without replacing an old, saturated filter leaves the transmission vulnerable to reduced line pressure and circulating abrasives. We recommend the ACDelco Gold TF289 because it directly protects your fluid investment. The felt filter media balances fine particulate capture with low flow restriction, preventing cavitation and fluid starvation across varying operational temperatures.

Furthermore, ACDelco’s reputation for adhering to strict General Motors specifications provides peace of mind. Because it is designed to match original equipment dimensions, the kit minimizes common installation headaches such as misaligned pickup necks or poor pan clearances. For vehicle owners performing scheduled fluid maintenance, it represents a cost-effective safeguard against premature transmission wear.

Performance Analysis

From a functional standpoint, the ACDelco Gold TF289 focuses on maintaining uniform fluid permeability. Felt-based media excels at trapping abrasive debris resulting from natural clutch pack wear and gear friction without causing excessive resistance to fluid draw. This ensures that the transmission oil pump receives an adequate volume of fluid on cold starts as well as during high-temperature towing or highway cruising.

By preventing contaminant recirculation, the filter helps maintain the original viscosity, thermal stability, and frictional properties of your automatic transmission fluid over thousands of miles. Its rigid housing maintains structural integrity under internal pan pressures, ensuring that the filter neck stays securely seated in the transmission case seal.

Best For

The ACDelco Gold TF289 is best for DIY mechanics and vehicle owners performing an automatic transmission fluid change, flush, or pan drop service on compatible GM and select non-GM vehicles. It is ideal for drivers who want factory-grade filtration to protect their transmission fluid without paying dealership service counter prices.

ACDelco Gold TF289 Pros

• Efficient felt filter media traps contaminants while maintaining steady fluid flow
• Manufactured to meet precise fit, form, and function specifications
• Carries ACDelco Gold quality standards (formerly ACDelco Professional)
• Budget-friendly price point at $25.71

ACDelco Gold TF289 Cons

• Does not include transmission fluid; fluid must be purchased separately
• Application-specific design requires careful cross-referencing of vehicle fitment

3. XADO EX120 Automatic Transmission Fix Automatic Transmission Fluid Review

The XADO EX120 Automatic Transmission Fix is engineered as an advanced revitalizant and fluid treatment designed to restore, protect, and enhance modern transmission systems. Rather than serving purely as a standard fluid replenishment, this specialized formulation is engineered to address existing physical wear on internal components. By blending directly with your existing transmission fluid, it targets internal contact zones to minimize mechanical resistance, smooth out rough shifts, and protect against long-term operational decline.

One of the central capabilities of the EX120 formula is its anti-friction modification technology, which focuses on eliminating surface defects along friction surfaces. In systems where internal components have suffered minor wear, common symptoms such as transmission shudder, gear sticking, and slipping can begin to compromise drivability. XADO’s treatment is engineered specifically to counteract these issues, reducing unwanted noise and vibration while stabilizing the operational contact points of the transmission’s control gears.

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Versatility is another defining aspect of this transmission treatment. Engineered to work across a broad range of transmission architectures, it provides broad compatibility without requiring different formulas for specific gearbox types. Whether a vehicle utilizes a traditional automatic, a continuously variable transmission (CVT), a Tiptronic unit, a manumatic system, or a semi-automatic assembly, the EX120 formula works within the host fluid to safeguard components against extreme heat and mechanical stress.

Key Features That Stand Out

• Metal Surface Restoration: Rebuilds and restores worn metal parts while establishing a protective barrier to defend against future operational wear.
• Anti-Friction Modification: Eliminates surface defects along internal contact points and shields components from extreme operating temperatures.
• Symptom Relief Formulation: Directly addresses transmission shudder, gear slipping, sticking, and unwanted drivetrain noise and vibration.
• Gear Longevity Support: Increases performance reliability and actively prolongs the service life of internal control gears.
• Universal System Compatibility: Formulated for use in standard automatic, CVT, Tiptronic, manumatic, and semi-automatic gearboxes.

Why We Recommend It

We recommend the XADO EX120 Automatic Transmission Fix for vehicle owners experiencing the early stages of transmission fatigue or seeking preventive protection against internal wear. Transmission issues such as shuddering during acceleration, harsh gear engagement, or slippage are frequently tied to friction degradation and minor surface imperfections on metal parts. Because this treatment acts as an active revitalizant, it addresses the physical condition of the metal components themselves, providing an extra layer of defense that standard fluids alone may not offer.

Additionally, the broad chemical compatibility of this additive eliminates much of the guesswork associated with transmission maintenance. Gearboxes vary significantly across modern vehicle lineups, particularly with the widespread adoption of continuously variable transmissions and semi-automatic setups. The ability of EX120 to integrate safely into automatics, CVTs, and manumatic designs makes it a dependable, versatile option for extending transmission service life across multiple vehicle configurations.

Performance Analysis

Holding a 4.2 out of 5 user rating, the XADO EX120 treatment demonstrates consistent efficacy as a targeted transmission additive. Its primary performance metric lies in friction reduction and surface correction, where the active ingredients work in synergy with transmission oil under heat and pressure. By targeting surface defects, the additive helps restore consistent pressure and contact across control components, which plays a pivotal role in reducing persistent shudder and vibration under load.

Best For

This product is best for vehicle owners looking to address early transmission shudder, minor gear slipping, or rough shifts in automatic, CVT, or semi-automatic systems without undertaking immediate, costly mechanical rebuilds.

XADO EX120 Pros

• Compatible with a wide array of transmissions, including CVTs and Tiptronic systems
• Engineered to rebuild metal surfaces and eliminate friction-induced micro-defects
• Effectively reduces transmission shudder, slipping, gear sticking, and vibration
• Provides ongoing protection against extreme heat and future internal wear

XADO EX120 Cons

• Acts as a fluid treatment and additive rather than a full system fluid replacement
• Severe mechanical damage or broken internal components cannot be restored by chemical additives alone

4. Automatic Transmission Fluid Oil Filling Review

Completing a routine fluid exchange on modern automatic gearboxes involves more than simply picking up the correct fluid; you also need a dependable method to introduce that fluid into the transmission casing. Modern transmissions, especially those found in European platforms, typically lack traditional dipstick filler necks and require specialized bottom-fill fittings. The Automatic Transmission Fluid Oil Filling Filler Adapter Manual Filler Kit serves as a dedicated hardware solution engineered to make fluid changes straightforward and mess-free at home.

Priced at an accessible $19.99, this kit is structured around a metal fluid distributor paired with five interchangeable adapters. Rather than forcing DIYers to invest in costly dealer service equipment, it directly interfaces with popular VAG and Mercedes-Benz transmission ports. The adapters cover several high-volume gearboxes, including DSG, 01J CVT, 09G, and Mercedes 722.9 units. The inclusion of hard steel threaded fittings and a copper ball valve ensures the connection remains stable while fresh transmission fluid is routed inside.

Proper fluid delivery is vital to preventing air pockets, low fluid levels, and subsequent clutch wear inside sensitive valve bodies and clutch packs. By utilizing an inline shut-off valve, this adapter assembly provides fluid control right at the gearbox inlet, preventing messy overflow and fluid loss while you manage transfer pumps or gravity-fed reservoirs.

Key Features That Stand Out

• Broad Transmission Coverage: Features dedicated adapters designed for Audi and VW 09G, 01J CVT, and DSG gearboxes, as well as Mercedes-Benz 722.9 automatic transmissions.
• OEM Reference Matching: Direct replacement fitment corresponding to service tool part numbers VAS6262-1, VAS6262-2, VAG1924/1, VAS5162-1, and 722.9.
• Integrated Flow Control: Equipped with a metal distributor and an inline copper ball shut-off valve to cleanly start, stop, and regulate fluid movement.
• Durable Construction: Adapters are manufactured from hard steel to resist thread stripping, while the distributor incorporates copper components for lasting resilience.
• Complete Fitting Assortment: Contains five specific adapter components, including a hook tube, 09G adapter, 01J CVT adapter, 722.9 adapter, and a DSG adapter.
• Manufacturer Warranty: Backed by 12 months of warranty coverage alongside 100% pre-shipment quality testing.

Why We Recommend It

We recommend this manual filler kit because it eliminates the biggest barrier to performing your own automatic transmission fluid service: getting the fluid inside a sealed system. Without an adapter set like this, filling bottom-fill transmissions often results in substantial fluid spills, cross-threading risks, or improper fill levels. By providing the exact thread profiles needed for widespread Audi, Volkswagen, and Mercedes platforms, this kit turns an otherwise intimidating workshop procedure into a manageable garage project.

Furthermore, the build quality stands out compared to basic plastic alternatives. The use of hard steel across the threaded fittings helps safeguard delicate transmission casing threads from damage during installation. Combined with a robust copper shut-off valve that seals securely when closed, this hardware provides the leak-free reliability needed when handling high-viscosity or slick transmission oils.

Performance Analysis

In terms of operational performance, the adapter kit excels through its precise fitment and leak prevention. The threads match OEM reference standards closely, allowing hand-tight engagement into fill ports without binding. When paired with standard fluid transfer setups, the metal distributor manages internal fluid passage without leaking around the coupling joints, ensuring your high-grade ATF ends up entirely inside the pan.

The integrated copper shut-off valve is a major mechanical advantage during servicing. When filling a transmission to its overflow point, having an instantaneous mechanical stop right at the adapter prevents expensive fluid from pouring out before the fill plug can be secured. This precise flow regulation simplifies the multi-step filling and level-checking processes typical of temperature-sensitive European gearboxes.

Best For

This adapter kit is best for DIY mechanics, independent technicians, and European car enthusiasts who service their own Audi, Volkswagen, or Mercedes-Benz vehicles equipped with DSG, CVT, 09G, or 722.9 automatic transmissions. It is an essential companion purchase whenever you are sourcing fresh fluid for bottom-fill, dipstick-free gearboxes.

Manual Filler Kit Pros

• Hard steel adapters offer high durability and clean threading.
• Integrated copper shut-off valve delivers instantaneous fluid flow regulation.
• Direct replacement compatibility with key OEM tool reference numbers.
• Affordable price point undercuts expensive dealership service tools.

Manual Filler Kit Cons

• Requires a compatible fluid pump or feed hose to complete the filling setup.
• Targeted primarily at European gearboxes, lacking adapters for most domestic makes.
• Does not include an integrated temperature gauge or fluid reservoir.

5. Toyota 00279-000T4 Automatic Transmission Automatic Transmission Fluid Review

Toyota 00279-000T4 Automatic Transmission Fluid is an authentic OEM lubricant designed specifically to satisfy the strict friction and operational requirements of Toyota automatic gearboxes requiring Type T-IV fluid. Packaged in a case of six 32-ounce bottles, this bundle provides a total of 192 fluid ounces, making it an ideal quantity for standard drain-and-fill servicing or routine fluid exchanges. Engineered and manufactured in the United States, it delivers the exact chemical composition specified by factory engineers to protect critical internal transmission components.

Modern automatic transmissions rely heavily on the precise interaction between internal clutch plates, planetary gearsets, and the hydraulic fluid medium. This Type T-IV formulation contains carefully balanced friction modifiers, anti-wear agents, and thermal stabilizers designed to maintain consistent hydraulic pressure across a wide spectrum of operating temperatures. By mitigating internal slip and eliminating transmission shudder, it preserves the smooth gear changes and responsive throttle response originally calibrated into the vehicle at the factory.

Shipped in a compact, manageable package measuring 24.0 x 19.2 x 22.9 centimeters with an overall weight of approximately 5.49 kilograms, this 6-pack makes fluid maintenance straightforward for DIY mechanics and professional technicians alike. Individual one-quart containers allow for precise pouring, easy volume tracking during top-offs, and clean storage of any remaining unused fluid in your garage.

Key Features That Stand Out

• Factory-Grade Type T-IV Chemistry: Formulated to meet genuine Toyota specifications for clutch engagement and hydraulic performance.
• Complete 192-Ounce Bundle: Comes as a six-pack of individual 32-ounce bottles, supplying ample fluid for typical transmission drain-and-fill services.
• Frictional Stability: Advanced friction-modifying additives protect internal friction plates while reducing unwanted shudder and slipping.
• Quality Domestic Production: Blended and packaged in the United States under stringent quality control standards.
• Convenient Handling: Packed in manageable 1-quart bottles within a compact carton weighing approximately 5.49 kilograms.

Why We Recommend It

We recommend Toyota 00279-000T4 because using genuine OEM automatic transmission fluid removes the guesswork from routine drivetrain servicing. While universal aftermarket fluids claim to cover dozens of vehicle makes, automatic transmissions are notoriously sensitive to minor shifts in viscosity and additive chemistry. Utilizing the precise factory-designated T-IV formulation ensures that your transmission’s internal seals, brass synchros, and wet friction materials interact exactly as intended without premature degradation.

In addition to performance reliability, the multi-quart packaging delivers practical convenience for the home garage. Rather than struggling with cumbersome multi-gallon jugs that require specialized transfer pumps, these individual one-quart bottles facilitate clean measuring, hassle-free funnels, and accurate volume checks on the transmission dipstick. Backed by an outstanding 4.8-star user rating, it remains a trusted standard among owners seeking to prolong the lifespan of their gearboxes.

Performance Analysis

In terms of operational performance, Toyota 00279-000T4 excels in thermal durability and oxidation resistance. Under high-load driving conditions—such as stop-and-go commuting, steep grade ascents, or hot summer highway cruising—this fluid actively resists thermal breakdown and varnish formation. Stable film strength protects high-pressure gear interfaces from metal-to-metal wear, while dedicated dispersants keep valve bodies and electronic solenoids free from sludge deposits that could lead to erratic gear shifts.

During cold-weather starts, the fluid maintains predictable low-temperature fluidity, ensuring rapid hydraulic pressurization throughout the valve body. This quick circulation minimizes cold-shift hesitation and protects bearings right from the initial turn of the key, making it a reliable year-round lubricant across varied climates.

Best For

This transmission fluid is best suited for owners and technicians servicing Toyota, Lexus, or Scion vehicles that specifically specify Type T-IV automatic transmission fluid in their owner’s manual. It is an exceptional pick for DIY mechanics who prefer OEM-correct fluids and want an exact 6-quart quantity ready for standard drain-and-fill maintenance intervals.

Toyota 00279-000T4 Pros

• Authentic OEM Type T-IV formulation ensures perfect chemical compatibility.
• Six individual 32-ounce bottles simplify handling, pouring, and precise measuring.
• Exceptional 4.8 out of 5-star customer rating demonstrates high dependability.
• Manufactured in the United States to rigorous automotive manufacturing standards.

Toyota 00279-000T4 Cons

• Not compatible with newer Toyota gearboxes requiring low-viscosity Toyota WS (World Standard) fluid.
• Total 6-quart volume may be more than required for a single light drain-and-fill, but not quite enough for a complete dry-system flush.

6. Toyota 00279-000T4-0 Lexus ATF Automatic Automatic Transmission Fluid Review

The Toyota 00279-000T4-0 Lexus ATF Automatic Transmission Fluid is an authentic original equipment manufacturer (OEM) lubricant engineered to meet the demanding standards of Toyota and Lexus automatic gearboxes. Designed around the precise Type T-IV specification, this genuine formulation provides the exact frictional characteristics and hydraulic properties that factory engineers intended. For drivers maintaining older or specific Toyota family transmissions, utilizing an exact OEM-matched fluid eliminates the uncertainty often associated with generic multi-vehicle alternatives.

Packaged in a convenient 1-quart bottle, this fluid is designed for both routine top-offs and complete drain-and-fill services. Its chemical composition helps protect sensitive internal components, including clutch plates, valve bodies, and rubber seals, against premature wear and thermal breakdown. With compact package dimensions of 9.0 inches in length, 2.0 inches in width, and 4.0 inches in height, the bottle is easy to handle and pour into narrow dipstick tubes and fill ports.

Customer satisfaction remains exceptionally high for this OEM fluid, backed by an impressive 4.8 out of 5-star rating. Vehicle owners frequently turn to this official fluid to resolve minor shifting hesitation, eliminate torque converter shudder, and ensure long-term mechanical reliability without risking warranty coverage or gearbox longevity.

Key Features That Stand Out

• Genuine OEM Formulation: Authentic Toyota 00279-000T4-01 Type T-IV fluid manufactured strictly to original factory specifications.
• Precise Frictional Properties: Formulated to reduce clutch slippage and deliver smooth, consistent gear changes.
• Convenient 1-Quart Packaging: Sized perfectly for accurate fluid measurement during regular maintenance or minor top-ups.
• Broad Model Compatibility: Functions as a universal fit across vehicles specifying genuine Toyota or Lexus Type T-IV fluid.
• Compact Bottle Profile: Measures 9.0 inches high, 2.0 inches wide, and 4.0 inches long for controlled pouring and straightforward storage.

Why We Recommend It

Maintaining an automatic transmission requires careful attention to fluid specifications, as modern hydraulic systems rely heavily on precise viscosity and friction modifiers. The Toyota Type T-IV fluid stands out because it directly satisfies the strict factory requirements set by Toyota and Lexus engineers. Rather than relying on additive packages that claim to cover dozens of competing brands, this fluid focuses entirely on delivering the exact chemical balance required by T-IV designated transmissions.

Furthermore, the outstanding 4.8 rating reflects consistent real-world reliability and customer satisfaction. Using genuine fluids protects sensitive internal seals from swelling or hardening, prevents transmission shudder during lockup, and supports long-term gearbox health. For any vehicle requiring Type T-IV specification, choosing this genuine product provides dependable operation and valuable peace of mind.

Performance Analysis

In terms of operational performance, the Toyota Type T-IV formulation focuses on maintaining thermal stability and consistent hydraulic pressure across varied driving conditions. Its targeted viscosity index ensures that the transmission shifts smoothly in cold ambient temperatures while resisting thinning and oxidation during heavy loads or hot highway operation. This stability minimizes internal friction losses and protects metallic surfaces against scuffing and accelerated wear.

Best For

This automatic transmission fluid is best for owners of Toyota, Lexus, and compatible vehicles whose owner’s manuals explicitly call for genuine OEM Type T-IV fluid for routine maintenance, drain-and-fill services, or complete fluid replacements.

Toyota ATF T-IV Pros

• Genuine factory OEM formulation tailored specifically for Toyota and Lexus gearboxes
• Exceptional 4.8 customer satisfaction rating
• Helps eliminate transmission shudder and provides smooth, predictable shifting
• Convenient, easy-to-handle 1-quart container design

Toyota ATF T-IV Cons

• Strictly formulated for Type T-IV applications; not compatible with newer Toyota ATF WS requirements
• Often priced higher than generic multi-vehicle aftermarket transmission fluids