Dorman 56390 Coolant Water Bypass Gasket

In stock
SKU: 591|56390
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $15.94
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|56390
  • Barcode 37495563901

Product Description

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.

  • 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
  • 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

Detailed Applications

Year Make Model Configuration Positions Application Notes
2006 Hummer H2 V8 364 6.0L (5967cc) Includes Metal Carrier
2005 Cadillac CTS V8 346 5.7L Includes Metal Carrier
2005 Cadillac Escalade Includes Metal Carrier
2005 Cadillac Escalade ESV Includes Metal Carrier
2005 Cadillac Escalade EXT Includes Metal Carrier
2005 Chevrolet Express 1500 V8 325 5.3L (5328cc) Includes Metal Carrier
2005 Chevrolet Express 2500 V8 294 4.8L Includes Metal Carrier
2005 Chevrolet Express 2500 V8 325 5.3L (5328cc) Includes Metal Carrier
2005 Chevrolet Express 2500 V8 364 6.0L (5967cc) Includes Metal Carrier
2005 Chevrolet Express 3500 V8 364 6.0L (5967cc) Includes Metal Carrier
2005 Chevrolet W3500 Tiltmaster V8 364 6.0L (5967cc); GAS Includes Metal Carrier; Flat Seal Design
2005 Chevrolet W4500 Tiltmaster V8 364 6.0L (5967cc); GAS Includes Metal Carrier; Flat Seal Design
2005 GMC Savana 1500 V8 325 5.3L (5328cc) Includes Metal Carrier
2005 GMC Savana 2500 V8 294 4.8L Includes Metal Carrier
2005 GMC Savana 2500 V8 325 5.3L (5328cc) Includes Metal Carrier
2005 GMC Savana 2500 V8 364 6.0L (5967cc) Includes Metal Carrier
2005 GMC Savana 3500 V8 294 4.8L Includes Metal Carrier
2005 GMC Savana 3500 V8 364 6.0L (5967cc) Includes Metal Carrier
2005 GMC W3500 Forward V8 364 6.0L (5967cc); GAS Includes Metal Carrier; Flat Seal Design
2005 GMC W4500 Forward V8 364 6.0L (5967cc); GAS Includes Metal Carrier; Flat Seal Design
2005 Hummer H2 V8 364 6.0L (5967cc) Includes Metal Carrier
2005 Isuzu NPR V8 364 6.0L (5967cc); GAS Includes Metal Carrier; Flat Seal Design
2005 Isuzu NPR-HD V8 364 6.0L (5967cc); GAS Includes Metal Carrier; Flat Seal Design
2005 Workhorse FasTrack FT1061 V8 294 4.8L; GAS Includes Metal Carrier; Flat Seal Design
2005 Workhorse FasTrack FT1261 V8 294 4.8L; GAS Includes Metal Carrier; Flat Seal Design
2005 Workhorse FasTrack FT1461 V8 294 4.8L; GAS Includes Metal Carrier; Flat Seal Design
2005 Workhorse FasTrack FT1461 V8 364 6.0L (5967cc); GAS Includes Metal Carrier; Flat Seal Design
2005 Workhorse FasTrack FT1601 V8 294 4.8L; GAS Includes Metal Carrier; Flat Seal Design
2005 Workhorse FasTrack FT1801 V8 364 6.0L (5967cc); GAS Includes Metal Carrier; Flat Seal Design
2005 Workhorse Custom Chassis P42 V8 294 4.8L; GAS Includes Metal Carrier; Flat Seal Design
2005 Workhorse Custom Chassis P42 V8 365 6.0L (5972cc); GAS Includes Metal Carrier; Flat Seal Design
2004 Buick Rainier V8 325 5.3L (5328cc) Includes Metal Carrier
2004 Cadillac CTS V8 346 5.7L Includes Metal Carrier
2004 Cadillac Escalade Includes Metal Carrier
2004 Cadillac Escalade ESV Includes Metal Carrier
2004 Cadillac Escalade EXT Includes Metal Carrier
2004 Chevrolet Avalanche 1500 V8 325 5.3L (5328cc) Includes Metal Carrier
2004 Chevrolet Corvette V8 350 5.7L Includes Metal Carrier
2004 Chevrolet Express 1500 V8 325 5.3L (5328cc) Includes Metal Carrier
2004 Chevrolet Express 2500 V8 294 4.8L Includes Metal Carrier
2004 Chevrolet Express 2500 V8 325 5.3L (5328cc) Includes Metal Carrier
2004 Chevrolet Express 2500 V8 364 6.0L (5967cc) Includes Metal Carrier
2004 Chevrolet Express 3500 V8 364 6.0L (5967cc) Includes Metal Carrier
2004 Chevrolet Silverado 1500 V8 294 4.8L Includes Metal Carrier
2004 Chevrolet Silverado 1500 V8 325 5.3L (5328cc) Includes Metal Carrier
2004 Chevrolet Silverado 1500 V8 364 6.0L (5967cc) Includes Metal Carrier
2004 Chevrolet Silverado 2500 V8 364 6.0L (5967cc) Includes Metal Carrier
2004 Chevrolet Silverado 2500 HD V8 364 6.0L (5967cc) Includes Metal Carrier
2004 Chevrolet Silverado 3500 V8 364 6.0L (5967cc) Includes Metal Carrier
2004 Chevrolet SSR V8 325 5.3L (5328cc) Includes Metal Carrier
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Product Specifications

Material: Rubber
Package Contents: Bypass Gasket
Package Quantity: 4
Packaging Type: Card

OE Numbers

DIRECT OE CROSS
12551933 GENERAL MOTORS
8-12551-933-0 ISUZU