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Dorman 635-521 Engine Timing Cover Compatible with Select Models

Free shipping on orders over $29.99

$101.21

$ 39 .99 $39.99

In Stock
  • Direct replacement
  • Designed to match the fit, function and appearance of the original part
  • Ideal solution - reliable replacements for original parts that are missing or have failed due to wear
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience


This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Buick Rainier: 2004, 2005, 2006, 2007] - [Chevrolet Colorado: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012] - [Chevrolet Trailblazer EXT: 2002, 2003, 2004, 2005, 2006] - [Chevrolet Trailblazer: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009] - [GMC Canyon: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012] - [GMC Envoy XL: 2002, 2003, 2004, 2005, 2006] - [GMC Envoy XUV: 2004, 2005] - [GMC Envoy: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009] - [Hummer H3: 2006, 2007, 2008, 2009, 2010] - [Isuzu Ascender: 2003, 2004, 2005, 2006, 2007, 2008] - [Oldsmobile Bravada: 2002, 2003, 2004] - [Saab 9-7x: 2005, 2006, 2007, 2008, 2009]


Heather Peregoy
Reviewed in the United States on January 25, 2024
Front cover seams ok but had to use old oil pump housing as the new housing is not milled correctly for the pickup tube.
Ed K.
Reviewed in the United States on February 15, 2020
Perfect fit