Mahle GS33403 Fuel Injection Nozzle O-Ring Kit

Mahle Fuel Injection Nozzle O-Ring Kit

Restore sealing performance in the fuel injection system with the Mahle GS33403 fuel injection nozzle O-ring kit. Built with molded rubber O-rings, this service kit is made for sealing applications where injector leaks, vacuum leaks, or fuel odor concerns can develop over time.

Compatible With 1995-2001 Nissan Maxima and 1996-2001 INFINITI I30 applications, this Mahle GS33403 kit supports injector-to-plenum sealing needs on the listed vehicles. Mahle gaskets are used by OEMs and technicians worldwide for sealing applications that demand consistent fit and material quality.

Key Features

• Molded rubber O-ring material for fuel injection sealing service
• Fuel injection nozzle O-ring kit for injector seal replacement
• Designed for Nissan Maxima and INFINITI I30 fitment listed below
• Mahle GS33403 for direct part identification and catalog matching
• Cross-reference: FEL-PRO ES 71045 for the same application

Detailed Description

The Mahle GS33403 is a fuel injection nozzle O-ring kit used to service injector sealing points on select Nissan and INFINITI vehicles. The molded rubber construction supports a reliable seal at the injector interface, helping maintain proper fuel system integrity and reduce air intrusion at the plenum connection. This part number is a practical choice when replacing aged injector seals during fuel system maintenance on 1995-2001 Nissan Maxima and 1996-2001 INFINITI I30 models.

For buyers searching for a 1995-2001 Nissan Maxima fuel injector O-ring kit or a 1996-2001 INFINITI I30 injector seal kit, Mahle GS33403 provides a cataloged sealing solution backed by Mahle’s OE-focused gasket expertise. Use the part number GS33403 when verifying application details and matching service parts.

What It Helps Address

• Fuel seepage around injector sealing points
• Vacuum leaks at injector-to-plenum interfaces
• Hard starting caused by compromised injector seals
• Rough idle related to intake air leakage
• Fuel odor from deteriorated O-rings

Installation Notes and Tips

Inspect injector bores, plenum sealing surfaces, and adjacent components before installation. Clean all mating surfaces thoroughly and replace worn seals during injector service to help maintain a proper seal. Confirm application by year, make, model, and part number GS33403 before installation.

Quality Assurance

Mahle supplies sealing products used by OEMs and professional technicians, with a focus on consistent material performance and application-specific fitment. This part is identified as Mahle GS33403 for accurate catalog matching.

Fitment

• Fits 1996-2001 INFINITI I30, N/A; includes injector seals to plenum; fluoroelastomer
• Fits 1995-2001 Nissan Maxima, N/A; includes injector seals to plenum; fluoroelastomer