Differential Ring and Pinion for Heavy-Duty Rear Axles

FSFT Part Number 10004686 is a rear differential ring and pinion for select Chevrolet Silverado, GMC Sierra, and Ram heavy-duty applications. It is listed for rear axle use across a broad range of 2001-2017 trucks, making it a direct-fit option for common driveline service and gear replacement needs.

Key Features

• FSFT differential ring and pinion for rear axle service
• Part Number 10004686 for identification and ordering
• Fits select Chevrolet Silverado 2500, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD rear applications
• Fits select GMC Sierra 2500, Sierra 2500 HD, Sierra 3500, and Sierra 3500 HD rear applications
• Fits select Ram 2500, Ram 3500, and Ram 2500 Van rear applications
• Coverage spans model years 2001-2017, depending on vehicle

Detailed Description

This FSFT ring and pinion set is cataloged for rear differential use in heavy-duty pickup and van platforms. It serves owners and technicians replacing worn gear components in Chevrolet Silverado 2500 and 3500 series trucks, GMC Sierra 2500 and 3500 series trucks, and Ram 2500 and 3500 applications. Part Number 10004686 is the reference to use when matching this rear axle gear set to the correct vehicle listing.

Compatible With 2001-2017 Chevrolet Silverado 2500, rear; 2001-2017 Chevrolet Silverado 2500 HD, rear; 2001-2013 Chevrolet Silverado 3500, rear; 2015-2017 Chevrolet Silverado 3500, rear; 2007-2017 Chevrolet Silverado 3500 HD, rear; 2001-2004 GMC Sierra 2500, rear; 2001-2017 GMC Sierra 2500 HD, rear; 2001-2006 GMC Sierra 3500, rear; 2007 GMC Sierra 3500 Classic, rear; 2007-2017 GMC Sierra 3500 HD, rear; 2003-2010 Dodge Ram 2500, rear; 2003-2010 Dodge Ram 3500, rear; 2011-2013 Ram 2500, rear; 2011-2013 Ram 3500, rear; 2003 Dodge Ram 2500 Van, rear.

What It Helps Address

• Worn or noisy rear differential gears
• Gear damage from high mileage or heavy towing use
• Incorrect final drive ratio after differential service
• Backlash or gear mesh issues during axle rebuilds
• Restoration of rear axle driveline operation on listed trucks

Installation Notes and Tips

Rear differential ring and pinion installation requires precise setup of gear backlash, pinion depth, and bearing preload. Verify axle identification, gear ratio, and vehicle application before installation. This part is listed for rear position only and should be matched to the exact truck configuration shown in the fitment data.

Quality Assurance

FSFT Part Number 10004686 is cataloged for the listed heavy-duty Chevrolet, GMC, and Ram rear axle applications. Confirm fitment against the vehicles year, make, model, and rear position before ordering.