OE Quality
60-Day Returns

Dorman 615-128 Spindle Nut - Front Inner
Reliable Spindle Nut for Ford Bronco and F-Series Trucks
The Dorman 615-128 spindle nut is designed to provide secure fastening for driveline components on select Ford vehicles. Engineered with a 1-5/8-16 thread size, this spindle nut ensures proper fitment and durability for Ford Bronco, F-150, and F-250 models.
- Includes 2 spindle nuts per package for dual applications or replacements
- Thread size: 1-5/8-16, compatible with specified Ford models
- Constructed to meet OEM specifications for reliable performance
- Designed specifically for driveline and axle hardware fastening
Product Details and Specifications
The Dorman 615-128 spindle nut is a critical component in the driveline and axle assembly, providing secure attachment of spindles to the axle shaft. With a thread size of 1-5/8-16, it matches the factory requirements for Ford Bronco, F-150, and F-250 vehicles. Each package contains two nuts, allowing for replacement on both sides or as a spare. This part is manufactured to meet or exceed OEM standards, ensuring consistent fit and function in demanding automotive environments.
Compatible Vehicles and Applications
This spindle nut is compatible with the following Ford models:
- Ford Bronco
- Ford F-150
- Ford F-250
It is intended for use in driveline and axle hardware assemblies where a 1-5/8-16 threaded spindle nut is required.
Common Issues Addressed by the Spindle Nut
- Loose or worn spindle nuts causing axle instability
- Replacement of damaged or corroded nuts to maintain driveline integrity
- Preventing axle shaft movement and ensuring proper wheel alignment
- Securing spindle components after maintenance or repair
Installation Notes and Tips
- Verify thread size (1-5/8-16) matches vehicle specifications before installation
- Use appropriate torque settings as specified by Ford service manuals
- Inspect spindle and axle components for wear or damage during replacement
- Apply thread locker if recommended to prevent loosening under vibration
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 615-128 spindle nut undergoes quality inspections to ensure durability and reliability in automotive applications. Warranty coverage details can be found through Dorman's official channels, providing assurance of product performance for Ford Bronco, F-150, and F-250 owners.
| Brand | Dorman |
| Part Number | 615-128 |
| Package Contents | 2 Nuts |
| Thread Size | 1-5/8-16 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1994 | Ford | Bronco | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1994 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1993 | Ford | Bronco | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1993 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1992 | Ford | Bronco | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1992 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1991 | Ford | Bronco | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1991 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1991 | Ford | F-250 | 4WD | Front Inner | Manual Locking Hubs; 3,850 Lb. Axle; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1990 | Ford | Bronco | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1990 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1990 | Ford | F-250 | 4WD | Front Inner | 3,850 Lb. Axle; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1989 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1989 | Ford | F-250 | 4WD | Front Inner | 3,850 Lb. Axle; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1988 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1988 | Ford | F-250 | 4WD | Front Inner | 3,850 Lb. Axle; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1987 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1986 | Ford | Bronco | 4WD | Front Inner | Manual Locking Hubs; From 12/85; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1986 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; From 12/85; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1985 | Ford | Bronco | 4WD | Front Inner | Manual Locking Hubs; From 12/85; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1985 | Ford | F-150 | 4WD | Front Inner | Manual Locking Hubs; From 12/85; Thread Size: 1-5/8-16; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.