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FEL-PRO RDS 55478 Axle Hsg. Cover or Diff. Seal

Free shipping on orders over $29.99

$8.10

$ 3 .99 $3.99

In Stock

About this item

  • FEL-PRO RDS 55478 Axle Housing Cover Gasket for Chevrolet Silverado 2500 HD
  • COMPATIBILITY – Fits 2009-2014 Chevrolet Express 4500; 2009-2014 Chevrolet Express Cargo; 2001-2002 Chevrolet C3500HD; 2007-2007 Chevrolet Silverado 2500 HD Classic; 2007-2007 Chevrolet Silverado 3500 Classic; 2006-2006 Chevrolet Avalanche 2500; 2001-2014
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
  • 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


FelPro gaskets offer 100% vehicle sealing with applicationspecific materials to give you sealing solutions with the performance and durability professionals trust


Deer slay
2025-09-03 13:29:06
Fit my own lly gmc w 11.5 aam 14 bolt differential, I smeared rtv thin layer ,and added a Yukon cover and filled 75w-90 synthetic w limited slip additive ,evenly tighten the new allen bolts ,mag drain plugs,and inspection port allen plug,no leaks
Derek J.
2025-08-20 12:10:01
Exactly what I needed. Product arrived undamaged and on time.
phillippe
2025-08-03 15:53:03
This gasket arrived fast, fit well and sealed the diff.
Ese Cesar
2025-08-01 16:41:38
Fits my 2003 Chevy Silverado 2500 6.6 duramax 11.5’’ ring gear
Lance Ledgerwood
2025-07-22 10:19:46
I like how this tells me that it does not fit my 2004 Chevrolet Silverado 2500 HD, when it is the exact gasket it takes. Why does everybody think that they did not put the 11.5" ring gear axles in these trucks. They have been putting them in since 2001.
Amozan
2025-07-06 10:26:59
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.
Jeff Wiggins
2025-05-14 18:53:23
2007 Chevy Silverado Classic 2500HDContrary to what the compatibility chart states, as well as the fact my truck is clearly listed to Sellers,this Item arrived stamped for Avalanche and Escalade.Someone sure doesn't care about wasting their Customer's time while taking their money.They got me, I hope this review helps to keep them from getting you too:>)
Pondo_00769
2025-04-26 21:21:24
replaced the original gasket on 2005 duramax.
2stroke
2025-03-14 17:03:46
Fit true
jeff smith
2025-01-23 21:26:00
When I selected the diff cover, this auto populated as often purchased together, so I assumed it would fit. Completely different
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