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746629Engine Rear Main Seal Cover
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APDTY 12639250/12633579 Crankahaft Rear Main Seal Housing Cover Gasket Bolt Kit


  • Brand New Rear Main Seal Cover & Gasket Kit
  • View compatability tab to verify your specific model
  • Fits Select 1999-2012 Chevy or GMC 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L Engines
  • Replaces GM Part 12633579, 12639250
  • New Bolts Included
  • See Buyers Guide for compatibility
Make Model Qualifiers Year
Buick LaCrosse
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2008-2009
Buick Rainier
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2004-2007
Cadillac CTS
  • Position: N/A
  • 5.7L V8 346ci
 2004-2005
Cadillac CTS
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2006-2007
Cadillac CTS
  • Position: N/A
  • 6.2L V8 6162cc 376ci
 2009-2012
Cadillac Escalade
  • Position: N/A
  • All Configurations
 2002-2012
Cadillac Escalade ESV
  • Position: N/A
  • All Configurations
 2003-2012
Cadillac Escalade EXT
  • Position: N/A
  • All Configurations
 2002-2012
Chevrolet Avalanche
  • Position: N/A
  • All Configurations
 2007-2012
Chevrolet Avalanche 1500
  • Position: N/A
  • All Configurations
 2002-2006
Chevrolet Camaro
  • Position: N/A
  • 5.7L V8 350ci
 1998-2002
Chevrolet Camaro
  • Position: N/A
  • 6.2L V8 6162cc 376ci
 2010-2012
Chevrolet Caprice
  • Position: N/A
  • All Configurations
 2011
Chevrolet Caprice
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2012
Chevrolet Colorado
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2009-2012
Chevrolet Corvette
  • Position: N/A
  • All Configurations
 1997-2004, 2006-2009
Chevrolet Corvette
  • Position: N/A
  • 7.0L V8 7011cc 427ci
 2010-2012
Chevrolet Corvette
  • Position: N/A
  • 6.2L V8 6162cc 376ci
 2010-2012
Chevrolet Express 1500
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2003-2012
Chevrolet Express 2500
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2003-2005
Chevrolet Express 2500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2003-2010
Chevrolet Express 2500
  • Position: N/A
  • 4.8L V8 294ci
 2003-2010
Chevrolet Express 3500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2003-2010
Chevrolet Express 3500
  • Position: N/A
  • 4.8L V8 294ci
 2005-2010
Chevrolet Impala
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2006-2009
Chevrolet LCF 4500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2016
Chevrolet Monte Carlo
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2006-2007
Chevrolet SSR
  • Position: N/A
  • All Configurations
 2003-2006
Chevrolet Silverado 1500
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 1999-2012
Chevrolet Silverado 1500
  • Position: N/A
  • 4.8L V8 294ci
 1999-2012
Chevrolet Silverado 1500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2003-2012
Chevrolet Silverado 1500
  • Position: N/A
  • 6.2L V8 6162cc 376ci
 2009-2012
Chevrolet Silverado 1500 Classic
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2007
Chevrolet Silverado 1500 Classic
  • Position: N/A
  • 4.8L V8 294ci
 2007
Chevrolet Silverado 1500 HD
  • Position: N/A
  • All Configurations
 2001-2003, 2005-2006
Chevrolet Silverado 1500 HD Classic
  • Position: N/A
  • All Configurations
 2007
Chevrolet Silverado 2500
  • Position: N/A
  • All Configurations
 1999-2000
Chevrolet Silverado 2500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2001-2004
Chevrolet Silverado 2500 HD
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2001-2011
Chevrolet Silverado 2500 HD Classic
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2007
Chevrolet Silverado 3500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2001-2006
Chevrolet Silverado 3500 Classic
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2007
Chevrolet Silverado 3500 HD
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2007-2012
Chevrolet Suburban 1500
  • Position: N/A
  • All Configurations
 2003-2009
Chevrolet Suburban 1500
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2000-2002, 2010-2012
Chevrolet Suburban 2500
  • Position: N/A
  • All Configurations
 2000, 2007-2008, 2010-2012
Chevrolet Suburban 2500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2001-2006, 2009
Chevrolet Tahoe
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2000, 2008
Chevrolet Tahoe
  • Position: N/A
  • 4.8L V8 294ci
 2000, 2008
Chevrolet Tahoe
  • Position: N/A
  • All Configurations
 2001-2007, 2009-2012
Chevrolet Tahoe
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2008
Chevrolet Trailblazer
  • Position: N/A
  • All Configurations
 2004-2005
Chevrolet Trailblazer
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2006-2008
Chevrolet Trailblazer
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2006-2009
Chevrolet Trailblazer EXT
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2003-2006
Chevrolet W3500 Tiltmaster
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2003-2009
Chevrolet W4500 Tiltmaster
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2003-2010
GMC Canyon
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2009-2012
GMC Envoy
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2005-2009
GMC Envoy XL
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2003-2006
GMC Envoy XUV
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2004-2005
GMC Savana 1500
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2003-2012
GMC Savana 2500
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2003-2005
GMC Savana 2500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2003-2010
GMC Savana 2500
  • Position: N/A
  • 4.8L V8 294ci
 2003-2010
GMC Savana 3500
  • Position: N/A
  • All Configurations
 2003-2005
GMC Savana 3500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2006-2010
GMC Savana 3500
  • Position: N/A
  • 4.8L V8 294ci
 2006-2010
GMC Sierra 1500
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 1999-2012
GMC Sierra 1500
  • Position: N/A
  • 4.8L V8 294ci
 1999-2012
GMC Sierra 1500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2001, 2003-2012
GMC Sierra 1500
  • Position: N/A
  • 6.2L V8 6162cc 376ci
 2009-2012
GMC Sierra 1500 Classic
  • Position: N/A
  • 4.8L V8 294ci
 2007
GMC Sierra 1500 Classic
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2007
GMC Sierra 1500 HD
  • Position: N/A
  • All Configurations
 2001-2003, 2005-2006
GMC Sierra 1500 HD Classic
  • Position: N/A
  • All Configurations
 2007
GMC Sierra 2500
  • Position: N/A
  • All Configurations
 2001-2004
GMC Sierra 2500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 1999-2000
GMC Sierra 2500 HD
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2001-2012
GMC Sierra 2500 HD Classic
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2007
GMC Sierra 3500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2001-2006
GMC Sierra 3500 Classic
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2007
GMC Sierra 3500 HD
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2007-2012
GMC W3500 Forward
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2004-2008
GMC W4500 Forward
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2003-2010
GMC Yukon
  • Position: N/A
  • All Configurations
 2001-2012
GMC Yukon
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2000
GMC Yukon
  • Position: N/A
  • 4.8L V8 294ci
 2000
GMC Yukon XL 1500
  • Position: N/A
  • All Configurations
 2000, 2005-2012
GMC Yukon XL 1500
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2001-2004
GMC Yukon XL 2500
  • Position: N/A
  • All Configurations
 2000, 2007-2011
GMC Yukon XL 2500
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2001-2006
Hummer H2
  • Position: N/A
  • All Configurations
 2003-2009
Hummer H3
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2008-2010
Hummer H3T
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2009-2010
Isuzu NPR
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2003-2016
Isuzu NPR
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • CNG
 2012-2016
Isuzu NPR-HD
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2003-2009, 2012-2016
Isuzu NPR-HD
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • CNG
 2012-2016
Pontiac Firebird
  • Position: N/A
  • 5.7L V8 350ci
 1998-2002
Pontiac G8
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2008-2009
Pontiac GTO
  • Position: N/A
  • All Configurations
 2004-2006
Pontiac Grand Prix
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2005-2008
Saab 9-7x
  • Position: N/A
  • 5.3L V8 5328cc 325ci
 2005-2009
Saab 9-7x
  • Position: N/A
  • 6.0L V8 5967cc 364ci
 2008-2009
Workhorse FasTrack FT1061
  • Position: N/A
  • 4.8L V8 294ci
  • GAS
 2004-2005
Workhorse FasTrack FT1261
  • Position: N/A
  • 4.8L V8 294ci
  • GAS
 2005
Workhorse FasTrack FT1461
  • Position: N/A
  • 4.8L V8 294ci
  • GAS
 2004-2005
Workhorse FasTrack FT1461
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2004-2005
Workhorse FasTrack FT1601
  • Position: N/A
  • 4.8L V8 294ci
  • GAS
 2004-2005
Workhorse FasTrack FT1801
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2004-2005
Workhorse W16
  • Position: N/A
  • GAS
 2006-2008
Workhorse W18
  • Position: N/A
  • GAS
 2006-2008
Workhorse W42
  • Position: N/A
  • 4.8L V8 294ci
  • GAS
 2006-2011
Workhorse W42
  • Position: N/A
  • GAS
 2006-2011
Workhorse W62
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2007-2011
Workhorse W62
  • Position: N/A
  • GAS
 2007-2011
Workhorse Custom Chassis P42
  • Position: N/A
  • 6.0L V8 5972cc 365ci
  • GAS
 2004-2005
Workhorse Custom Chassis P42
  • Position: N/A
  • 4.8L V8 294ci
  • GAS
 2004-2005
Workhorse Custom Chassis W42
  • Position: N/A
  • 6.0L V8 5972cc 365ci
  • GAS
 2006-2010
Workhorse Custom Chassis W42
  • Position: N/A
  • 4.8L V8 294ci
  • GAS
 2006-2012
Workhorse Custom Chassis W62
  • Position: N/A
  • 6.0L V8 5967cc 364ci
  • GAS
 2011-2012