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Dorman - HELP
Part # 42003
4.92,847 verified reviews

Knock Sensor Grommet

Fits Cadillac, Chevrolet, GMC — 7 vehicle applications

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Contact us at 1-866-461-2787 for pricing

available

Contact us at 1-866-461-2787 for pricing

Call for Price
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy

Customer reviews

  • Verified

    I've been ordering from Autrex for over 2 years now. Their fitment tool is incredibly accurate, and I've never received a wrong part. The prices are competitive and shipping is always fast. Highly recommend!

    Michael T., Toronto, ON

  • Verified

    Had an issue with a brake caliper that turned out to be defective. Their warranty team handled the replacement quickly and professionally. New part arrived in 3 days. This is how customer service should be!

    Sarah L., Vancouver, BC

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Dorman - HELP 42003 Vehicle Fitment

Fits 7 vehicles

This Knock Sensor Grommet fits Cadillac, Chevrolet, GMC vehicles.

  • 2003 GMC Yukon XL 1500

  • 2003 GMC Savana 2500

  • 2001 GMC Sierra 2500 HD

Dorman - HELP 42003 Specifications

Color
Marrón
Thickness
0.33
Contenidos del paquete
1 Pasacables
Rim Shape
Redondo
Material
Elastómetro
Inside Diameter
0.77

Dorman - HELP 42003 Product Description

Este sello del sensor de golpe de chispa (detonación) de encendido está diseñado para empatar en ajuste y función con el sello original en vehículos específicos, y para brindar durabilidad y un rendimiento confiable.

Key Features

  • Direct replacement - this ignition knock (detonation) sensor seal is designed to match the fit and function of the original seal on specified vehicles
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Restores functionality - reliable replacement for an original part that is leaking or has failed due to fatigue
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
  • Calidad confiable: respaldada por un equipo de expertos de producto en Estados Unidos y más de un siglo de experiencia automotriz
  • Construcción duradera: esta pieza está hecha con materiales de calidad para garantizar un rendimiento confiable y una larga vida útil
  • Restaura la funcionalidad: sustituto confiable para una pieza original que tiene fugas o que falló debido a la fatiga
  • Sustituto directo: este sello del sensor de golpe de chispa (detonación) de encendido está diseñado para empatar en ajuste y función con el sello original en vehículos específicos

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.

About Dorman - HELP

Shop Dorman - HELP Ignition Knock (Detonation) Sensor Seal at Autrex with vehicle fitment details, current pricing, and checkout options for the Dorman - HELP 42003. Eligible orders over $99 may qualify for free shipping, with some exceptions.

Frequently Asked Questions — Dorman - HELP 42003

What vehicles does the Dorman - HELP 42003 fit?

The Dorman - HELP 42003 fits 6 vehicle applications including 2004-2005 Cadillac Escalade ESV, 2004 Chevrolet Silverado 2500, 2003 GMC Yukon XL 1500, 2003 GMC Savana 2500, 2002 Chevrolet Avalanche 1500 and 1 more. Check the full fitment list above to confirm your vehicle.

What are the shipping options for the Dorman - HELP 42003?

Shipping options for the Dorman - HELP 42003 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.

What is the price of the Dorman - HELP 42003?

For current pricing on the Dorman - HELP 42003, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.

Is the Knock Sensor Grommet a direct fit replacement?

Yes, the Knock Sensor Grommet by Dorman - HELP is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.

What warranty does the Knock Sensor Grommet come with?

The Knock Sensor Grommet comes with the standard Dorman - HELP manufacturer warranty. Please check the product specifications for exact warranty terms.