Dorman 90000 Fuel Injector O-Ring Kit

Fuel Injector O-Ring Kit for GM Applications

The Dorman 90000 fuel injector O-ring kit provides the sealing components needed for a full injector O-ring replacement on the specified engine. Built from durable materials, it is made to handle exposure to fuel, oil, and high engine temperatures in GM truck, van, and SUV applications.

Compatible With Chevrolet Astro, Blazer, Express 1500, Express 2500, Express 3500, Silverado 1500, S10, Tahoe, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, and P30; also compatible with GMC Safari, Savana 1500, Savana 3500, Sierra 1500, Sonoma, Jimmy, Yukon, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, and P3500, plus Oldsmobile Bravada applications.

• Durable O-rings built for exposure to fuel, oil, and extreme temperatures
• Supports sealing at the fuel injector interface
• Direct replacement for specified GM engine applications
• Cross-references Dorman 90000 for the same application
• Also cross-references 217-451 and 17113205 for select applications

Detailed Product Overview

Dorman 90000 is a fuel injector O-ring kit for service work on GM platforms that use injector sealing rings in the listed applications. It is commonly searched as a fuel injector O-ring kit for Chevrolet S10, Tahoe, Silverado 1500, GMC Sierra 1500, and GMC Yukon repairs, as well as for Chevrolet Astro and GMC Safari van service. The kit is intended to restore the injector seal at the fuel rail and injector body, helping maintain proper sealing in engines exposed to heat and fuel system pressure.

Common Problems This Kit Helps Address

• Fuel seepage around injector seals
• Hard starting caused by injector seal leakage
• Fuel odor from deteriorated O-rings
• Vacuum leaks at injector sealing points
• Service issues after injector removal and reinstallation

Installation Notes and Tips

Inspect the injector bores, fuel rail, and injector tips before installation. Clean all sealing surfaces thoroughly and replace worn or damaged injector hardware as needed during service. Verify engine application and injector style against the vehicle listing before installation on Chevrolet, GMC, or Oldsmobile models.

Quality Assurance

This Dorman fuel injector O-ring kit is made with durable materials selected to withstand fuel, oil, and elevated engine temperatures. It is intended for the listed GM applications, including 1994-2005 Chevrolet and GMC models and 1996-2001 Oldsmobile Bravada service.