• Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fell-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

Fits 2013 3500HD 14 Bolt. I do my fluid changes and I don’t like reusing gaskets. This fel-pro has held up as expected.

Perfect fit and great quality. Fast shipping!

No leaks yet and fits snug.

Great price, fast delivery and Fel-Pro quality for differential cover gasket for my '05 2500HD Duramax pickup.

Didn't open package. Found drain plug. 11 1\2 rear, on 2007 classic 2500hd gmc

replaced the original gasket on 2005 duramax.