Doc's Diesel DEX6 Dexron VI and Mercon LV Automatic Transmission Fluid 55 Gallon Drum

Doc’s Diesel Transmission Fluid:

Doc’s Diesel DEX6 Synthetic Automatic Transmission Fluid delivers reliable, long-lasting performance for both modern and legacy transmissions. Engineered for stability, cleanliness, and broad compatibility, this advanced formula helps protect critical components, reduce wear, and maintain smooth shifting—mile after mile.

Product Details:

• Versatile compatibility with DEXRON III and earlier fluids
• Enhanced shear stability and oxidation resistance
• Clean operation that reduces sludge and transmission wear

Fitment:

Vehicle Fitment:

• 1994–2003 Ford Super Duty 7.3L Powerstroke
• 2003–2007 Ford Super Duty 6.0L Powerstroke
• 2008–2010 Ford Super Duty 6.4L Powerstroke
• 2001–2026 Chevrolet/GMC Silverado/Sierra 6.6L Duramax 1500, 2500HD, and 3500HD with 6-speed transmissions
• 2005.5–2014 Volkswagen Jetta/Golf TDI 1.9L, 2.0L
• 2009–2014 Volkswagen Jetta SportWagen TDI 2.0L

Doc's Part Number:

DOCSDEX6-55G

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