Mahle GS33440 Fuel Injection Nozzle O-Ring

Fuel Injector Seal Kit for Ford Diesel Applications

Mahle GS33440 is an OEM-standard fuel injection nozzle O-ring kit for servicing injector sealing points on select Ford diesel applications. It uses fluoroelastomer O-rings to support fuel-system sealing where injector leaks, hard starts, or fuel odor can occur.

Key Features

• OEM-standard injector sealing components for fuel injection service
• Fluoroelastomer O-rings for fuel-system sealing performance
• Includes injector sealing components specified for injector service
• Mahle gasket and sealing product backed by OE-focused manufacturing
• Cross-reference: FEL-PRO ES73084

Detailed Product Information

Mahle GS33440 is built for injector sealing service on Ford E-350, F-250, F-350, and Excursion diesel applications listed in the fitment data. This fuel injection nozzle O-ring kit is intended for injector reseal work where the original sealing surfaces need to be renewed during maintenance or repair. The fluoroelastomer material supports fuel exposure and temperature demands commonly found in diesel injector service. Mahle GS33440 also cross-references Ford XC3Z-9229-AB for the same application.

What This Part Helps Address

• Fuel seepage around injector sealing points
• Hard starting caused by injector seal leakage
• Diesel fuel odor from worn injector O-rings
• Loss of sealing integrity during injector service
• Maintenance needs on Ford E-350, F-250, F-350, and Excursion injector systems

Installation Notes and Tips

Clean the injector bore and sealing surfaces before installation. Replace the injector seals during injector removal service, and verify that the correct seals are seated fully before reassembly. Follow the vehicle service procedure for injector torque and sealing sequence. This part services 1 injector per the listed fitment notes.

Quality Assurance

Mahle gaskets and sealing products are used by OEMs and technicians worldwide. GS33440 is an OEM-standard sealing solution for injector service and is built to meet the demands of fuel-system repair on the listed Ford diesel applications.