Dorman - HELP Ignition Knock Detonation Sensor Seal for 1997-2007 General Motors 42003

Ignition Knock Detonation Sensor Seal for 1997-2007 General Motors 42003 replaces the original seal on specified vehicles.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Matches original seal fit and function on specified vehicles
• Engineered for durability and reliable performance
• Dimensions 3.0in x 2.5in x 2.5in, weight 0.1lb
• Part number 42003

Benefits

• Ensures accurate sensor operation for optimal engine performance
• Reduces risk of detonation-related issues
• Provides long-lasting protection against wear and corrosion
• Easy to install with OEM compatibility

Application

This part is ideal for vehicle owners needing a reliable replacement for their ignition knock sensor seal, commonly used in daily driving and high-performance applications.

Fitment Notes

• Compatible with 1997-2007 General Motors vehicles

Why Choose Dorman - HELP?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• 1 PC

Item Dimensions

• 3.0in x 2.5in x 2.5in, 0.1lbs