Mahle GS33505A Fuel Injector Seal Kit

Mahle GS33505A Fuel Injector Seal Kit

Mahle GS33505A is an OEM-standard fuel injector seal kit for servicing injector sealing components on select Chevrolet and GMC trucks and vans. It uses fluoroelastomer O-rings and includes a fuel injector washer to restore sealing integrity at the injector interface.

Key Features

• OEM-standard fuel injector seal kit for injector service
• Fluoroelastomer O-rings for fuel-system sealing performance
• Includes fuel injector washer
• Pintle cap not required
• Support ring not required
• Mahle sealing products are used by OEMs and technicians worldwide

Product Details

The Mahle GS33505A fuel injector seal kit is built for direct injector sealing service on applications such as the Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, and GMC Sierra 3500, along with Express and Savana van platforms listed below. If you are replacing injector seals during maintenance or repair, this kit provides the sealing components needed to address leaks at the injector connection point. This part cross-references FEL-PRO ES73178 for the same application.

What It Is Used For

• Fuel odor caused by worn injector seals
• Visible seepage around the injector body
• Hard starting related to injector sealing loss
• Rough idle from air or fuel leakage at the injector
• Injector service on high-mileage Chevrolet and GMC applications

Installation Notes and Fitment

Fits 2006-2007 Chevrolet Express 2500, N/A. Fits 2006-2007 Chevrolet Express 3500, N/A. Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A. Fits 2007 Chevrolet Silverado 3500 Classic, N/A. Fits 2006-2007 GMC Savana 2500, N/A. Fits 2006-2007 GMC Savana 3500, N/A. Fits 2007 GMC Sierra 2500 HD Classic, N/A. Fits 2007 GMC Sierra 3500 Classic, N/A. Fits 2004-2006 Chevrolet Silverado 2500 HD, N/A. Fits 2005-2006 Chevrolet Silverado 3500, N/A. Fits 2005-2006 GMC Sierra 2500 HD, N/A. Fits 2005-2006 GMC Sierra 3500, N/A.

Before installation, clean the injector bore and surrounding surfaces thoroughly and inspect the injector for wear or damage that could affect sealing. Replace seals during injector service to help maintain proper fuel-system integrity on Chevrolet Silverado and GMC Sierra applications.

Quality Assurance

Mahle sealing products are engineered to OEM-standard expectations and are trusted in professional repair environments for fuel-system sealing service.