Dorman 56390 | Engine Coolant Water Bypass Gasket

Part Number
56390
Coolant Bypass Seals

Fits: Buick Rainier, Cadillac CTS, Cadillac Escalade, Cadillac Escalade ESV, Cadillac Escalade EXT, Chevrolet Avalanche 1500, Chevrolet Camaro, Chevrolet Corvette, Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Silverado 1500, Chevrolet Silverado 1500 HD, Chevrolet Silverado 2500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, Chevrolet SSR, Chevrolet Suburban 1500, Chevrolet Suburban 2500, Chevrolet Tahoe, Chevrolet Trailblazer, Chevrolet Trailblazer EXT, Chevrolet W3500 Tiltmaster, Chevrolet W4500 Tiltmaster, GMC Envoy XL, GMC Envoy XUV, GMC Savana 1500, GMC Savana 2500, GMC Savana 3500, GMC Sierra 1500, GMC Sierra 1500 HD, GMC Sierra 2500, GMC Sierra 2500 HD, GMC Sierra 3500, GMC W3500 Forward, GMC W4500 Forward, GMC Yukon, GMC Yukon XL 1500, GMC Yukon XL 2500, Hummer H2, Isuzu NPR, Isuzu NPR-HD, Pontiac Firebird, Pontiac GTO, Workhorse FasTrack FT1061

Special Price $9.00 Regular Price $12.99
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In stock
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Estimated Ship Date: 1 Business Day or Less

This engine coolant water bypass gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.


BRAND: Dorman - HELP




FEATURES:


  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Direct replacement - this engine coolant water bypass gasket is designed to match the fit and function of the original gasket on specified vehicles
  • Restores functionality - this gasket is made to fit and fully restore functionality after the original part fails
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
  • General Motors 2006-97, Isuzu 2005-03
  • Coolant Bypass Seals
  • Engine, Coolant, Water, By-Pass, Gasket, Gaskets
  • COOLANT BYPASS SEALS


SPECIFICS:


MaterialRubber
Package ContentsBypass Gasket



DOWNLOADS:




INTERCHANGE:


  • General Motors: 12551933
  • Isuzu: 8125519330

APPLICATIONS:


  • 2003-2005 Chevrolet Express 1500 - Position: N/A
    • Includes Metal Carrier
  • 1998-2002 Pontiac Firebird - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 Cadillac Escalade ESV - Position: N/A
    • Includes Metal Carrier
  • 2003-2003 Isuzu NPR - Position: N/A
    • Includes Metal Carrier
  • 2003-2006 Hummer H2 - Position: N/A
    • Includes Metal Carrier
  • 2001-2004 Chevrolet Silverado 2500 HD - Position: N/A
    • Includes Metal Carrier
  • 2004-2005 Workhorse FasTrack FT1061 - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 2004-2004 Chevrolet SSR - Position: N/A
    • Includes Metal Carrier
  • 2004-2005 Workhorse FasTrack FT1461 - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 1997-2002 Chevrolet Camaro - Position: N/A
    • Includes Metal Carrier
  • 2004-2004 Pontiac GTO - Position: N/A
    • Includes Metal Carrier
  • 2001-2004 GMC Sierra 3500 - Position: N/A
    • Includes Metal Carrier
  • 2000-2004 Chevrolet Suburban 2500 - Position: N/A
    • Includes Metal Carrier
  • 2003-2003 Isuzu NPR-HD - Position: N/A
    • Includes Metal Carrier
  • 2001-2003 GMC Sierra 1500 HD - Position: N/A
    • Includes Metal Carrier
  • 2001-2004 GMC Sierra 2500 HD - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 GMC Savana 1500 - Position: N/A
    • Includes Metal Carrier
  • 2004-2005 GMC W3500 Forward - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 2002-2005 Cadillac Escalade - Position: N/A
    • Includes Metal Carrier
  • 2000-2004 GMC Yukon XL 1500 - Position: N/A
    • Includes Metal Carrier
  • 2000-2004 Chevrolet Tahoe - Position: N/A
    • Includes Metal Carrier
  • 2004-2005 Workhorse FasTrack FT1801 - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 2004-2004 Buick Rainier - Position: N/A
    • Includes Metal Carrier
  • 2004-2005 Cadillac CTS - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 GMC Savana 2500 - Position: N/A
    • Includes Metal Carrier
  • 2002-2005 Cadillac Escalade EXT - Position: N/A
    • Includes Metal Carrier
  • 2004-2004 GMC Envoy XUV - Position: N/A
    • Includes Metal Carrier
  • 2000-2004 Chevrolet Suburban 1500 - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 GMC Savana 3500 - Position: N/A
    • Includes Metal Carrier
  • 1999-2004 GMC Sierra 1500 - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 GMC W4500 Forward - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 1997-2004 Chevrolet Corvette - Position: N/A
    • Includes Metal Carrier
  • 2005-2005 Workhorse FasTrack FT1261 - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 2004-2005 Workhorse FasTrack FT1601 - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 2003-2004 Chevrolet Trailblazer EXT - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 Chevrolet W3500 Tiltmaster - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 2003-2005 Chevrolet Express 3500 - Position: N/A
    • Includes Metal Carrier
  • 1999-2004 Chevrolet Silverado 2500 - Position: N/A
    • Includes Metal Carrier
  • 2002-2004 Chevrolet Avalanche 1500 - Position: N/A
    • Includes Metal Carrier
  • 2000-2004 GMC Yukon XL 2500 - Position: N/A
    • Includes Metal Carrier
  • 2001-2004 Chevrolet Silverado 3500 - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 Workhorse Custom Chassis P42 - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 2004-2004 Chevrolet Trailblazer - Position: N/A
    • Includes Metal Carrier
  • 2004-2005 Isuzu NPR-HD - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 1999-2004 Chevrolet Silverado 1500 - Position: N/A
    • Includes Metal Carrier
  • 2001-2003 Chevrolet Silverado 1500 HD - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 Chevrolet Express 2500 - Position: N/A
    • Includes Metal Carrier
  • 2003-2004 GMC Envoy XL - Position: N/A
    • Includes Metal Carrier
  • 2004-2005 Isuzu NPR - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 1999-2000 GMC Sierra 2500 - Position: N/A
    • Includes Metal Carrier
  • 2003-2005 Chevrolet W4500 Tiltmaster - Position: N/A
    • Includes Metal Carrier Flat Seal Design
  • 2000-2004 GMC Yukon - Position: N/A
    • Includes Metal Carrier
Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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