GBR 732-506 Fuel Injector

Reman Diesel Fuel Injector for GM HD Trucks

GBR 732-506 is a remanufactured diesel fuel injector for select Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models. It is rebuilt with premium OE-quality components and tested across multiple operating conditions to meet or exceed OE performance specifications.

Key Features

• Reman diesel fuel injector for direct replacement service
• Completely disassembled, ultrasonically cleaned, and inspected
• Rebuilt using premium OE-quality components
• Flow-bench tested under multiple operating parameters
• Fits 2017-2023 Chevrolet Silverado 2500 HD and Silverado 3500 HD
• Fits 2017-2023 GMC Sierra 2500 HD and Sierra 3500 HD

Product Details

GBR’s Reman Diesel Fuel Injector line focuses on restoring injector performance through a full teardown, cleaning, inspection, and remanufacturing process. Part number 732-506 is built for GM heavy-duty diesel applications and is intended to deliver OE-level fuel delivery consistency for the 2017-2023 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD. This part cross-references GM OE numbers 12678992 and 12696966 for the same application.

Common Issues This Injector May Address

• Hard starting or extended crank time
• Rough idle or uneven engine operation
• Excessive smoke from poor fuel atomization
• Fuel delivery imbalance between cylinders
• Loss of power or drivability concerns related to injector wear

Installation Notes

Fits 2017-2023 Chevrolet Silverado 2500 HD, N/A. Fits 2017-2023 Chevrolet Silverado 3500 HD, N/A. Fits 2017-2023 GMC Sierra 2500 HD, N/A. Fits 2017-2023 GMC Sierra 3500 HD, N/A. Always replace the fuel filter when the injector is replaced. Verify engine and VIN-specific application before installation, and follow OEM service procedures for diesel fuel system cleanliness and calibration requirements.

Quality Assurance

Each GBR 732-506 injector is tested on a flow bench under multiple operating parameters to confirm performance against OE specifications. The remanufacturing process uses premium OE-quality components and inspection steps to support consistent fuel delivery in GM heavy-duty diesel applications.