Dorman 697-304 Differential Ring and Pinion - Rear

Dorman 697-304 Differential Ring and Pinion

Dorman 697-304 is a standard replacement differential ring and pinion for rear axle applications that use a 3.73 gear ratio. It directly replaces the original equipment on specific vehicles, including Chevrolet Camaro, S10, Astro, and GMC Sonoma applications with the correct axle configuration.

• Gear ratio: 3.73
• Standard replacement grade for OE-style service
• Rear differential application
• Package contents: ring gear and pinion gear
• Interchanges with 14048379, YG GM7.5-373, and ZG GM7.5-373

OE Replacement for 3.73 Rear Differentials

This Dorman differential ring and pinion is built for vehicles that need a 3.73 rear gear set, including long-tail fitment searches such as 1993-1999 Chevrolet S10 rear differential ring and pinion 3.73, 2000-2005 GMC Sonoma rear gear set, and 1982-1991 Pontiac Firebird rear axle ring and pinion. It also serves a wide range of Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Isuzu rear axle applications listed in the fitment data. Part number 697-304 is a direct OE-style replacement for the specified applications.

This part cross-references 14048379 and YG GM7.5-373 for the same application.

Common Uses

• Restores proper final drive gearing after ring and pinion wear
• Addresses gear noise caused by damaged or pitted gear teeth
• Replaces a failed rear differential gear set
• Returns the axle to the specified 3.73 ratio after service
• Supports repair of driveline vibration or drivability issues tied to gear damage

Installation Notes and Fitment

Compatible With rear axle applications only. Fitment includes 2000-2005 Chevrolet Astro, rear; 2000-2005 Chevrolet Blazer, rear; 2000-2004 GMC Sonoma, rear; 1993-1999 Chevrolet S10, rear; 1993-1999 GMC Jimmy, rear; 1993-1999 Pontiac Firebird, rear; and 1977-1981 Chevrolet Camaro, rear. Additional coverage includes 1982-1991 Chevrolet Caprice, rear; 1982-1987 Buick Regal, rear; and 1976-1979 Oldsmobile Omega, rear. Verify ring gear size, spline count, and axle ratio before installation. Professional setup is recommended for proper backlash, bearing preload, and gear pattern adjustment.

Quality Assurance

Dorman supplies this differential ring and pinion as a standard replacement part engineered to match the original equipment application on the listed vehicles. Part number 697-304 is intended for direct replacement use where the factory 3.73 rear gear set is specified.