GBR 522-025 Fuel Injector Sleeve

Fuel Injector Sleeve for Ford Diesel Applications

GBR Fuel Injector Sleeve 522-025 is a diesel injector sleeve that seals and helps manage heat transfer between the fuel injector and the cylinder head. For Ford Super Duty and Excursion diesel service, replacing a worn sleeve during injector work helps maintain sealing integrity and supports injector life.

Key Features

• Fuel injector sleeve for diesel engine service
• Helps seal the injector-to-cylinder-head interface
• Supports cooling between the injector and head
• Addresses sealing concerns that can lead to combustion gas or coolant intrusion
• OE-style replacement for service on Ford diesel applications

Detailed Description

This injector sleeve is built for Ford diesel trucks and vans that use a cylinder-head-mounted injector sleeve design. It is used in service situations where the original sleeve has worn, been damaged, or is being replaced during injector removal and reinstallation. Proper sealing at this location is important for maintaining fuel system integrity and reducing the risk of injector-related drivability problems. Part number 522-025 is also referenced as 3C3Z9F538AA for the same application.

Compatible With 2004-2010 Ford E-350 Super Duty, 2003-2007 Ford F-250 Super Duty, 2003-2007 Ford F-350 Super Duty, 2004-2005 Ford E-350 Club Wagon, and 2003-2005 Ford Excursion. This GBR Fuel Injector Sleeve 522-025 is a direct-fit service part for these diesel applications.

Common Issues It May Address

• Injector sealing loss at the cylinder head
• Combustion gas leakage into the fuel system
• Coolant leakage into the fuel system
• Engine misfire related to injector sealing problems
• Injector damage caused by poor sealing or heat transfer

Installation Notes and Tips

Install during injector service or replacement whenever the original sleeve shows wear, corrosion, or sealing damage. Clean the injector bore and cylinder-head sealing surfaces before installation, and verify the sleeve seats correctly before reassembling the fuel system. For Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford Excursion diesel service, confirm the application by year and engine configuration before ordering.

Quality Assurance

GBR supplies service parts for diesel fuel system repair, and this sleeve is engineered to support proper sealing and cooling at the injector interface. Part number 522-025 is listed for the specified Ford diesel applications and cross-references 3C3Z9F538AA.