Purpose and Specifications

Valvoline ATF DEX/MERC 1L is a premium automatic transmission fluid designed for smooth shifting and long-lasting protection in vehicles requiring GM Dexron III G or Ford Mercon specs. This 1-liter bottle delivers reliable lubrication across extreme temperatures, flowing easily down to -42°C for quick starts in cold weather and resisting breakdown up to 200°C during heavy towing or high-speed driving.

• Smooth, consistent shifts without shudder, maximizing power transfer to wheels
• Superior wear protection extends transmission life in cars, trucks, and vans
• Wide temperature performance: Stays fluid in freezing cold, thick in scorching heat
• Compatible with Allison C4, Caterpillar TO-2, and select power steering or hydraulic systems

Ideal for most pre-2006 Ford, GM, and import automatic transmissions.

When to Use / Replace?

Use this fluid for routine maintenance or when your owner's manual specifies Dexron III or Mercon. Replace every 48,000-80,000 km (30,000-50,000 miles) or 2-3 years under normal driving; sooner at 24,000 km (15,000 miles) for towing, city stop-go, or severe conditions. Shelf life is 5 years unopened when stored cool and dry.

Frequently Asked Questions

Is Valvoline ATF DEX/MERC safe for my older GM or Ford transmission?
Yes, it's fully qualified for Dexron III G and Mercon, providing smoother shifts and better protection than many OEM fluids.

Can I use it in cold climates?
Absolutely, its low-temperature flow down to -42°C ensures easy starting and responsive performance even in harsh winters.

How often should I change the transmission fluid?
Every 48,000-80,000 km for regular use, or more frequently if towing heavy loads to prevent wear and maintain efficiency.