Doc's Diesel ATF+4 DEXRON III/MERCON V Automatic Transmission Fluid 55 Gallon Drum

Doc’s Diesel Transmission Fluid:

Doc's Diesel ATF+4 Synthetic Automatic Transmission Fluid is your go-to solution for clean, consistent, and long-lasting transmission performance, whether you're maintaining a modern system or supporting a legacy drivetrain. Engineered for reliability and system protection, it delivers smooth operation, reduced wear, and dependable performance in a wide range of vehicles.

Product Details:

• Versatile compatibility with DEXRON III and earlier fluids
• Improved shear stability and oxidation control under high thermal stress
• Clean operation that helps reduce wear and sludge buildup

Fitment:

Vehicle Fitment:

• 2019–2025 RAM 6.7L Cummins 2500HD, 3500HD, 4500HD, 5500HD
• 2003–2007 RAM 5.9L Cummins 2500HD, 3500HD, 4500HD, 5500HD
• 2007.5–2018 RAM 6.7L Cummins 2500HD, 3500HD, 4500HD, 5500HD
• 2014–2024 RAM 1500 3.0L EcoDiesel
• 2014–2024 Jeep Grand Cherokee 3.0L EcoDiesel
• 2020–2024 Jeep Gladiator 3.0L EcoDiesel

Doc's Part Number:

DOCSATF4-55G

Change Interval:

Above all recommendations, change according to your vehicle’s manufacturer's warranty.

• Transmission Fluid:
  • Normal Duty: Every 60,000 to 100,000 miles maximum
    
  • Severe Duty: Every 30,000 to 50,000 miles maximum