Dorman 904-133 Fuel Injector O-Ring Kit

The Dorman 904-133 Fuel Injector O-Ring Kit is a complete replacement set engineered to restore proper sealing and performance to your fuel injectors. This kit includes multiple rubber O‑rings, fuel rail gaskets, a return‑line gasket, and crush washers designed to match the original equipment’s fit and help ensure leak‑free sealing around the fuel injectors and rail during service or maintenance. Durable materials resist fuel, heat, and oil exposure for reliable performance.

Features

• Restores Factory Function
• Direct-Fit OE-Style Replacement
• Manufactured From High-Quality Materials