Dorman 697-183 Differential Ring and Pinion - Rear

OE Replacement Ring and Pinion

The Dorman 697-183 differential ring and pinion is a standard replacement for specific rear axle applications that use a 4.56 gear ratio and a 10.5-inch ring gear. It directly replaces the original equipment setup on select Chevrolet, GMC, and GM van and truck models, including heavy-duty Silverado, Sierra, Express, and Savana applications.

Use this Dorman 697-183 gear set when restoring rear differential performance on vehicles that require the 4.56 ratio. It is built for direct OE-style replacement and is listed for rear-position applications only.

• Gear ratio: 4.56
• Standard replacement grade for OE-style service
• Rear differential application
• Package contents: ring gear and pinion gear
• Direct replacement for specific GM truck and van fitments

Fitment Details

• Fits 2001-2011 GMC Sierra 2500 HD, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1996-2008 Chevrolet Express 2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1996-2008 Chevrolet Express 3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1996-2008 GMC Savana 2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1996-2008 GMC Savana 3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1999-2005 Chevrolet Silverado 2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-2000 Chevrolet C2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1995-2000 Chevrolet C35, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-2000 Chevrolet C3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-2000 Chevrolet K2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-2000 Chevrolet K3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-2000 GMC C2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-2000 GMC C3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-2000 GMC K2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-2000 GMC K3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1996 Chevrolet G30, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1996 GMC G3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-1995 Chevrolet G20, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-1995 GMC G2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-1991 Chevrolet R3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-1991 Chevrolet V3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-1991 GMC R3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989-1991 GMC V3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989 Chevrolet R2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1989 GMC R2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; standard gear
• Fits 1988 Chevrolet C2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 Chevrolet C3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 Chevrolet G20, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 Chevrolet K2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 Chevrolet K3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 Chevrolet R20, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 Chevrolet R30, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 Chevrolet V30, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 GMC C2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 GMC C3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 GMC G2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 GMC K2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 GMC K3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 GMC R2500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 GMC R3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear
• Fits 1988 GMC V3500, rear, w/4.56 axle ratio; 10.5 in. ring gear; 3.375 in. O.D. axle tube; standard gear

Common Repair Uses

• Restoring rear differential gear ratio after wear or damage
• Replacing noisy or chipped ring and pinion gears
• Correcting driveline performance on 4.56 axle ratio GM trucks and vans
• Servicing high-mileage rear axles with standard replacement parts

Installation Notes

Verify the axle ratio, ring gear diameter, and rear axle configuration before installation. This part is for rear applications only and does not include an installation kit. Proper gear setup, backlash adjustment, and bearing inspection are important during differential service.

This part cross-references ZG GM14T-456 for the same application.

Quality Assurance

Dorman supplies this ring and pinion as a standard replacement part for direct OE-style service on specific GM applications. Part number 697-183 is built to match the listed fitment requirements for 1988-2011 Chevrolet and GMC rear differential applications.