Dorman 630-103A Drive Axle Shaft - Rear Left or Rear Right

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Dorman 630-103A Drive Axle Shaft - Rear Left or Rear Right

Brand	Dorman 630-103A
Position	Rear Right and Rear Left
Wheel Bolt Pattern Size	5 x 4.75
Wheel Bolt Pattern Size	5 x 4.75 in
Wheel Bolt Pattern Size	5 x 4.75 in.
Wheel Studs Included	No
Wheel Studs Included	Non
Retainer Included	No
Retainer Included	Non
Inboard Spline Quantity	28
Outboard Spline Quantity	0
CV Joints Included	No
CV Joints Included	Non
Axle Nut Included	No
Axle Nut Included	Non
ABS Tone Ring Included	No
ABS Tone Ring Included	Non
Differential Case Design Type	10 tornillos de gm
Differential Case Design Type	Gm 10 bolt
ABS Tone Ring Installed	No
ABS Tone Ring Installed	Non
Anillo del tono del ABS instalado	No
Axle Type	Eje axial sólido
Axle Type	Solid shaft axle
Contenidos del paquete	Eje axial
Diameter	34 mm
Diameter	34mm
Finish	Galvanizado
Finish	Galvanized
Hole Quantity	5
Length (In)	29.03 in
Length (In)	29.03 in.
Fits	Chevrolet, GMC, and Oldsmobile · 48 vehicles

OE-style replacement. Matches original equipment performance for specified driveline applications.

Solid shaft design. Carbon steel construction with a galvanized finish for corrosion resistance.

GM 10-bolt fitment. Configured for selected rear axle applications with 28 inboard splines.

Cross-references 26013882 for the same application. See all 1.

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Drive Axle Shaft Overview

This Dorman drive axle shaft is built to match the performance of the original equipment shaft on specified applications. It helps restore torque transfer from the differential or transmission to the wheel after a factory shaft is worn, rusted, or damaged.

Compatible with Chevrolet S10, Chevrolet Blazer, GMC Sonoma, GMC Jimmy, and related applications, this axle shaft is identified by part number 630-103A.

Key Features

OE-style replacement axle shaft for specified driveline applications
Solid shaft axle construction with carbon steel material
Galvanized finish for added corrosion resistance
28-spline inboard design with 5 x 4.75 wheel bolt pattern
GM 10-bolt differential case design type

Detailed Description

Part number 630-103A is a solid drive axle shaft engineered for rear axle service on selected Chevrolet and GMC trucks and SUVs. The shaft measures 29.03 inches in length, uses a 34 mm diameter, and is configured with 28 inboard splines. It is intended for applications that require a direct axle shaft replacement to restore driveline function and wheel torque transfer. This part cross-references GM 26013882 for the same application.

For Chevrolet S10 and GMC Sonoma applications, as well as Chevrolet Blazer and GMC Jimmy fitments, the axle shaft is listed for rear left or rear right positions depending on the vehicle and year. Some Oldsmobile Bravada, Chevrolet S10 Blazer, GMC Typhoon, GMC S15, GMC S15 Jimmy, GMC Syclone, and GMC S15-related fitments are also included. Review the fitment table carefully, since notes vary by application and some listings exclude bearing, seal, or hardware.

What It Is Used For

Replacing a worn or damaged rear axle shaft
Restoring torque delivery from the differential to the wheel
Addressing rust-related axle shaft failure
Repairing collision-damaged driveline components
Correcting axle service issues on GM 10-bolt applications

Installation Notes and Tips

Verify the exact year, make, model, and rear position before ordering. Some fitments note that bearing, seal, or hardware are not included, and certain applications are listed without a 4-sensor system. Confirm spline count, wheel bolt pattern, and differential case design before installation.

Quality Assurance

Dorman manufactures replacement driveline components to match original equipment performance on specified applications. Part number 630-103A is built for direct replacement use where the listed fitment matches the vehicle configuration.

This part fits 48 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Drive Type	Position	Notes
1997	Chevrolet	Blazer	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1997	Chevrolet	S10	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1997	GMC	Jimmy	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1997	GMC	Sonoma	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1996	Chevrolet	Blazer	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1996	Chevrolet	S10	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1996	GMC	Jimmy	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1996	GMC	Sonoma	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1996	Oldsmobile	Bravada	—	Rear Left	wo/4 Sensor System
1995	Chevrolet	Blazer	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1995	Chevrolet	S10	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1995	GMC	Jimmy	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1995	GMC	Sonoma	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1994	Chevrolet	S10	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1994	Chevrolet	S10 Blazer	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1994	GMC	Jimmy	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1994	GMC	Sonoma	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1994	Oldsmobile	Bravada	—	Rear Right	wo/4 Sensor System
1993	Chevrolet	S10	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1993	Chevrolet	S10 Blazer	4WD	Rear Left	wo/4 Sensor System
1993	GMC	Jimmy	4WD	Rear Left	wo/4 Sensor System
1993	GMC	Sonoma	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1993	GMC	Typhoon	—	Rear Right	wo/4 Sensor System
1993	Oldsmobile	Bravada	—	Rear Left	wo/4 Sensor System
1992	Chevrolet	S10	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1992	Chevrolet	S10 Blazer	4WD	Rear Right	wo/4 Sensor System
1992	GMC	Jimmy	4WD	Rear Right	wo/4 Sensor System
1992	GMC	Sonoma	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1992	GMC	Typhoon	—	Rear Left	wo/4 Sensor System
1992	Oldsmobile	Bravada	—	Rear Right	wo/4 Sensor System
1991	Chevrolet	S10	4WD	Rear Right	wo/4 Sensor System
1991	Chevrolet	S10 Blazer	4WD	Rear Left	wo/4 Sensor System
1991	GMC	S15 Jimmy	4WD	Rear Left	wo/4 Sensor System
1991	GMC	Sonoma	4WD	Rear Left	wo/4 Sensor System
1991	GMC	Syclone	—	Rear Right	wo/4 Sensor System
1991	Oldsmobile	Bravada	—	Rear Left	wo/4 Sensor System
1990	Chevrolet	S10	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1990	Chevrolet	S10 Blazer	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1990	GMC	S15	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1990	GMC	S15 Jimmy	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1989	Chevrolet	S10	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1989	Chevrolet	S10 Blazer	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1989	GMC	S15	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1989	GMC	S15 Jimmy	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1988	Chevrolet	S10	4WD	Rear Left	Does Not Include Bearing, Seal, or Hardware
1988	Chevrolet	S10 Blazer	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1988	GMC	S15	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
1988	GMC	S15 Jimmy	4WD	Rear Right	Does Not Include Bearing, Seal, or Hardware
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Directly replaces or cross-references 1 part number

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

26013882