Dorman 630-123 Drive Axle Shaft - Rear Left or Rear Right

Dorman 630-123 Rear Axle Shaft

Dorman 630-123 is a direct replacement drive axle shaft for select Chevrolet S10, GMC Sonoma, and Isuzu Hombre models. It is built for rear left and rear right applications where the original axle shaft is damaged or the bearings are worn.

• Direct replacement axle shaft for select rear axle applications
• Carbon steel construction for strength and durability
• Solid shaft axle design
• 28-spline configuration
• 26.59 in. length
• Includes axle shaft, wheel studs, wheel nuts, bearing, and seal
• 5-lug wheel pattern with 5 hole quantity
• Interchanges with 26064387 and AXK138

OE-Style Replacement Details

This Dorman axle shaft is made to replace the original equipment on specific trucks with the correct axle ratio, ring gear size, and chassis package requirements. It is a practical solution for rear axle service on Chevrolet S10 and GMC Sonoma models, as well as Isuzu Hombre applications listed below. This part number, 630-123, is intended for rear left and rear right positions where the vehicle configuration matches the fitment data.

Fits 2000-2003 Chevrolet S10, rear left and rear right with 3.73 axle ratio and 7.625 in. ring gear. Fits 2001-2003 Chevrolet S10, rear left and rear right with 4.10 axle ratio, 7.625 in. ring gear, RPO Z83, and RPO Z85. Fits 1998-1999 Chevrolet S10, rear left and rear right with 7.625 in. ring gear, including Z83, Z85, and ZQ8 configurations. Fits 2000 Chevrolet S10, rear left and rear right with 4.10 axle ratio or limited slip differential and 7.625 in. ring gear.

Fits 2000-2003 GMC Sonoma, rear left and rear right with 3.73 axle ratio and 7.625 in. ring gear. Fits 2001-2003 GMC Sonoma, rear left and rear right with 4.10 axle ratio, 7.625 in. ring gear, RPO Z83, and RPO Z85. Fits 1998-1999 GMC Sonoma, rear left and rear right with 7.625 in. ring gear, including Z83, Z85, and ZQ8 configurations. Fits 2000 GMC Sonoma, rear left and rear right with 4.10 axle ratio or limited slip differential and 7.625 in. ring gear.

Fits 2000-2003 Isuzu Hombre, rear left and rear right with 3.73 axle ratio and 7.625 in. ring gear. Fits 2000 Isuzu Hombre, rear left and rear right with 4.10 axle ratio or limited slip differential and 7.625 in. ring gear. Fits 1998-1999 Isuzu Hombre, rear left and rear right with 7.625 in. ring gear, including Z83, Z85, and ZQ8 configurations.

Common Repair Uses

• Restores driveline function after axle shaft damage
• Addresses noise or vibration caused by worn axle bearings
• Replaces a bent or fatigued rear axle shaft
• Supports repair of leaking axle seal areas when the shaft surface is worn
• Helps correct rear wheel drive issues tied to axle wear

Installation Notes

Verify axle ratio, ring gear size, position, and chassis package before ordering. This part is specific to rear left and rear right applications listed in the fitment data, and the correct side must match the vehicle configuration. Confirm spline count, wheel lug pattern, and ABS requirements during diagnosis; the ABS tone ring is not included.

Quality Assurance

Dorman manufactures this axle shaft as a direct replacement part for the listed applications, with application-specific installation components included in the package contents. The design follows the original equipment layout for the supported Chevrolet S10, GMC Sonoma, and Isuzu Hombre fitments.