Dorman 697-807 Differential Ring and Pinion - Rear

Dorman 697-807 Differential Ring and Pinion

Dorman 697-807 is a standard replacement differential ring and pinion for specific GM rear axle applications. It uses a 3.73 gear ratio and is built to replace the original equipment setup on select classic Chevrolet and Pontiac vehicles.

Key Features

• 3.73 gear ratio for rear differential service
• Standard replacement design for OE-style fitment
• Direct replacement for specific 8.2 in. axle applications
• Package contents: ring gear and pinion gear
• Interchange reference: ZG GM8.2-373

Vehicle Fitment

• Fits 1964-1972 Chevrolet Bel Air, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1964-1972 Chevrolet El Camino, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1964-1972 Chevrolet Impala, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1970-1972 Chevrolet Monte Carlo, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1969-1972 Chevrolet Nova, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1969-1972 Pontiac Firebird, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1967-1970 Chevrolet Camaro, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1964-1970 Pontiac Tempest, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1964-1969 Buick Skylark, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07
• Fits 1964-1967 Chevrolet Malibu, rear, w/3.73 Axle Ratio; 8.2 In. Axle; 28 Spline; C-Clip; Carrier Break 2.76/3.07

What This Part Helps Address

• Restores worn or damaged ring and pinion gears in the rear differential
• Corrects gear noise caused by gear wear or improper tooth contact
• Replaces a failed 3.73 ratio gear set in 8.2 in. axle applications
• Supports drivetrain repair on classic Chevrolet and Pontiac rear axles
• Helps return proper final drive operation after differential service

Installation Notes and Tips

Verify axle size, spline count, carrier break, and ratio before installation. This Dorman 697-807 ring and pinion is for rear applications only and does not include an installation kit. Proper setup of backlash, pinion depth, and bearing preload is critical for correct operation.

Quality Assurance

Dorman supplies this part as a standard replacement component that directly replaces the original equipment on specific vehicle years, makes, and models. For buyers searching for a 3.73 rear gear set for a Chevrolet Camaro, Chevrolet Nova, or Pontiac Firebird, Dorman 697-807 provides an OE-style service solution for the listed applications.