Dorman 42003 Ignition Knock (Detonation) Sensor Seal

Out of stock
SKU: 591|42003
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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 $16.69
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|42003
  • Barcode 885484588486

Product Description

This ignition knock (detonation) sensor seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

  • Direct replacement - this ignition knock (detonation) sensor seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality - reliable replacement for an original part that is leaking or has failed due to fatigue
  • 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
2007 Buick Rainier V8 325 5.3L (5328cc)
2007 Chevrolet Express 1500 V8 325 5.3L (5328cc)
2007 Chevrolet Express 2500 V8 294 4.8L
2007 Chevrolet Express 2500 V8 364 6.0L (5967cc)
2007 Chevrolet Express 3500 V8 294 4.8L
2007 Chevrolet Express 3500 V8 364 6.0L (5967cc)
2007 Chevrolet Silverado 1500 Classic V8 294 4.8L
2007 Chevrolet Silverado 1500 Classic V8 325 5.3L (5328cc)
2007 Chevrolet Silverado 1500 Classic V8 364 6.0L (5967cc)
2007 Chevrolet Silverado 1500 HD Classic V8 364 6.0L (5967cc)
2007 Chevrolet Trailblazer V8 325 5.3L (5328cc)
2007 GMC Envoy V8 325 5.3L (5328cc)
2007 GMC Savana 1500 V8 325 5.3L (5328cc)
2007 GMC Savana 2500 V8 294 4.8L
2007 GMC Savana 2500 V8 364 6.0L (5967cc)
2007 GMC Savana 3500 V8 294 4.8L
2007 GMC Savana 3500 V8 364 6.0L (5967cc)
2007 GMC Sierra 1500 Classic V8 294 4.8L
2007 GMC Sierra 1500 Classic V8 325 5.3L (5328cc)
2007 GMC Sierra 1500 Classic V8 364 6.0L (5967cc)
2007 GMC Sierra 1500 HD Classic V8 364 6.0L (5967cc)
2007 Hummer H2 V8 364 6.0L (5967cc)
2006 Cadillac Escalade V8 364 6.0L (5967cc)
2006 Cadillac Escalade ESV V8 364 6.0L (5967cc)
2006 Cadillac Escalade EXT V8 364 6.0L (5967cc)
2006 Chevrolet Avalanche 1500 V8 325 5.3L (5328cc)
2006 Chevrolet Express 1500 V8 325 5.3L (5328cc)
2006 Chevrolet Express 2500 V8 294 4.8L
2006 Chevrolet Express 2500 V8 364 6.0L (5967cc)
2006 Chevrolet Express 3500 V8 294 4.8L
2006 Chevrolet Express 3500 V8 364 6.0L (5967cc)
2006 Chevrolet Silverado 1500 V8 294 4.8L
2006 Chevrolet Silverado 1500 V8 325 5.3L (5328cc)
2006 Chevrolet Silverado 1500 V8 364 6.0L (5967cc)
2006 Chevrolet Silverado 1500 HD V8 364 6.0L (5967cc)
2006 Chevrolet Silverado 2500 (Mexico) V8 294 4.8L
2006 Chevrolet Silverado 2500 (Mexico) V8 325 5.3L (5328cc)
2006 Chevrolet Silverado 2500 HD V8 364 6.0L (5967cc)
2006 Chevrolet Silverado 3500 V8 364 6.0L (5967cc)
2006 Chevrolet Suburban 1500 V8 325 5.3L (5328cc)
2006 Chevrolet Suburban 1500 V8 364 6.0L (5967cc)
2006 Chevrolet Suburban 2500 V8 364 6.0L (5967cc)
2006 Chevrolet Tahoe V8 294 4.8L
2006 Chevrolet Tahoe V8 325 5.3L (5328cc)
2006 GMC Savana 1500 V8 325 5.3L (5328cc)
2006 GMC Savana 2500 V8 294 4.8L
2006 GMC Savana 2500 V8 364 6.0L (5967cc)
2006 GMC Savana 3500 V8 294 4.8L
2006 GMC Savana 3500 V8 364 6.0L (5967cc)
2006 GMC Sierra 1500 V8 294 4.8L
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Product Specifications

Color: Brown
Inside Diameter: 0.77 in
Material: Elastomer
Outside Diameter: 1.83 in
Package Contents: 1 Grommet
Package Quantity: 1
Packaging Type: Box
Rim Shape: Round
Seal Type: Radial
Selling Package Quantity UOM: Piece
Thickness: 0.33 in

OE Numbers

DIRECT OE CROSS
12558177 GENERAL MOTORS