HomeDriveline and Axles > Axle ShaftDorman 630-321 Drive Axle Shaft - Rear Left
Part #: 630-321

Dorman 630-321 Drive Axle Shaft - Rear Left

Rear Left
8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, F-150 and F-150 Heritage
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Dorman 630-321 Rear Left Axle Shaft

Dorman 630-321 is a direct replacement axle shaft for select Ford full-size trucks with a rear left semi-floating axle. It is built for 1997-2003 Ford F-150 and 2004 Ford F-150 Heritage applications with a 9.75 in. ring gear, and it includes the application-specific components needed for the repair.

Key Features

  • Direct replacement for the original axle shaft on select Ford F-150 and Ford F-150 Heritage models
  • Solid shaft axle construction in carbon steel
  • 34-spline axle shaft with 33.38 in. length
  • 10-hole, 10-lug configuration for the listed applications
  • Package contents include axle shaft, wheel studs, wheel nuts, bearing, and seal
  • ABS tone ring not included

Detailed Description

This Dorman axle shaft is engineered for rear left service on select 1997-2003 Ford F-150 and 2004 Ford F-150 Heritage trucks equipped with a semi-floating axle and 9.75 in. ring gear. It is a carbon steel, solid shaft axle with 34 splines and the correct application-specific dimensions for the listed fitments. Part number 630-321 is a practical OE-style replacement when the original axle shaft is damaged or when axle bearings are worn.

This part cross-references Ford OE numbers F75Z4234MB and YL3Z4234CB for the same application. For buyers searching for a rear left axle shaft for Ford F-150 Heritage or a 1997-2003 Ford F-150 rear axle shaft replacement, 630-321 matches the listed axle configuration and notes.

What It Helps Repair

  • Axle shaft damage from wear, impact, or corrosion
  • Noise or vibration related to worn axle bearings
  • Rear axle service needs on semi-floating 9.75 in. ring gear setups
  • Loss of proper wheel support at the rear left axle position
  • Fitment issues when replacing a worn OE axle shaft on Ford F-150 trucks

Installation Notes

Verify the axle tag number, ring gear size, axle type, and rear left position before installation. Confirm the vehicle is equipped with a semi-floating axle and the listed 9.75 in. ring gear application. Inspect related sealing surfaces and bearing areas during service, and compare spline count, length, and lug configuration to the original part before assembly.

Quality Assurance

Dorman manufactures replacement drivetrain components for OE-style service applications, and this axle shaft is built to match the listed vehicle fitment and hardware requirements for the repair.

BrandDorman
Part Number630-321
ABS Tone Ring InstalledNot included
Axle TypeSolid shaft axle
Hole Quantity10
Length (In)33.38 in
MaterialCarbon steel
Package ContentsAxle shaft; wheel studs; wheel nuts; bearing and seal
Spline Quantity34
Wheel Lug Quantity10

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2004FordF-150 HeritageRear LeftSemi-Floating Axle; 9.75 In. Ring Gear; Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F
2003FordF-150Rear LeftSemi-Floating Axle; 9.75 In. Ring Gear; Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F
2002FordF-150Rear LeftSemi-Floating Axle; 9.75 In. Ring Gear; Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F
2001FordF-150Rear LeftSemi-Floating Axle; 9.75 In. Ring Gear; Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F
2000FordF-150Rear LeftSemi-Floating Axle; 9.75 In. Ring Gear; Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F
1999FordF-150Rear LeftSemi-Floating Axle; 9.75 In. Ring Gear; Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F
1998FordF-150Rear LeftSemi-Floating Axle; 9.75 In. Ring Gear; Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F
1997FordF-150Rear LeftSemi-Floating Axle; 9.75 In. Ring Gear; Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F

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

This part directly replaces or is cross-referenced with the following part numbers:

F75Z4234MBYL3Z4234CB

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