Valvoline DEX/MERC Automatic Transmission Fluid (ATF) 1 QT — Case of 6, GM & Ford compatible, anti-shudder protection

Valvoline DEX/MERC ATF is a premium automatic transmission fluid designed for smooth shifting, low-temperature responsiveness, and protection in many GM, Ford, and compatible transmissions.

Built from high-quality base oils and a tailored additive package, this Valvoline formulation meets a range of legacy DEXRON and MERCON specifications. It balances low-temperature flow for quick engagement with a protective film at higher operating temperatures. The result is a fluid aimed at reducing shudder, supporting reliable clutch transfer, and helping extend transmission life when used where these specifications are recommended.

Which vehicles and specifications does this fluid support?

This Valvoline ATF is suitable for many pre-2006 General Motors transmissions and Ford passenger cars and light trucks from post-1981 to pre-2007, except where Ford specifically calls for MERCONV or MERCONSP. It also covers service fill situations that call for classic DEXRON, DEXRON-II, DEXRON-III, MERCON, and some Allison specifications.

• Meets requirements where DEXRON and MERCON compatibility is listed
• Acceptable for many imports that specify equivalent ATF
• May be used where Allison TES-389 is recommended
• Not for use if a manufacturer specifies MERCONV or MERCONSP

How does it perform in cold starts and hot operation?

Valvoline engineered this ATF to flow readily at low temperatures so transmissions engage faster and shift more predictably in cold conditions. At operating temperature the advanced additives form a protective film to resist wear and help maintain smooth shifting under load.

• Low-viscosity base oils for improved cold-weather pumpability
• Additives that help preserve friction characteristics during temperature swings
• Enhanced anti-wear components to maintain protection at high heat

What benefits will I notice after swapping to this ATF?

After a proper fluid change, many users observe reduced torque converter shudder and more consistent gear changes. The anti-shudder and anti-wear chemistry can contribute to quieter operation and may help maintain efficient power transfer across transmission components.

• Smoother, more consistent shifting under typical driving conditions
• Reduced shudder during torque converter engagement
• Improved protection against wear for clutches and gears

How should I use and store this product?

Follow the vehicle manufacturer’s service manual for capacity and change intervals; always check compatibility before use. Store sealed bottles upright in a cool, dry place away from direct sunlight and extreme heat to preserve additive stability.

• Replace fluid according to manufacturer-recommended intervals
• Keep the container sealed until use to avoid contamination
• Dispose of used ATF at an approved recycling or collection center

Who is this for? Mechanics, fleet managers, and car owners working on older GM and Ford transmissions or performing general service where DEXRON/MERCON-type fluids are appropriate will find this Valvoline DEX/MERC ATF useful. It’s aimed at anyone seeking reliable, specification-compatible ATF in convenient 1-quart bottles sold as a case of six for workshop readiness or scheduled maintenance.