FORD F350 HD / E450 Spindle
This replacement spindle is engineered for Ford’s trusted full-float rear axle platforms such as Ford F-350 HD pickups equipped with Sterling 10.25″ full-float rears and Ford E-450 Super Duty dual-rear-wheel cutaways commonly equipped with Dana 80 axles. These drivetrains are valued by fleets for their durability, ease of service, and long parts support history.
Built for rear-end rebuilds on hard-working trucks and chassis cabs, this heavy-duty spindle supports the load capacity and bearing performance these platforms are known for. Whether you’re maintaining an OBS F-350 or keeping an E-450 shuttle or service vehicle on the road, this spindle delivers consistent, smooth wheel-end rotation and long-term alignment.
In stock
Customize Your Pickup Truck Spindle
Enter the dimensions in mm for the spindle's rear step to be customized to fit your axle tube, or skip this step to purchase it as is.
| Recommended Fit For: | Full-float rear axles on FORD F350 HD or Ford E450 |
| Heat Treated: | Yes |
| Weight: | 10 lbs |
| Type: | Pickup Truck |
| Warranty: | 1 Year Limited Warranty |
| Compatible Parts: | Inner Bearing: Ford F81Z1244BA / Timken NP 387AS, Outer Bearing: NP145100, Seal: Motorcraft BRS 179, CC3Z1S175A, Locknut: QU40102 R.H. Thread |
| Dimensions: | Inner Bearing: 57.15mm, Outer Bearing: 50.8mm, Wheel Seal: 73.03mm, Lock Nut: 50.8mm (2'' 16 TPI) |
Description
Designed to interface with the industry-standard hardware used on Sterling 10.25″ and Dana 80 rear hubs, our spindle helps simplify service across both platforms. Just confirm your axle tag or BOM to verify fitment before ordering.
Sold as a spindle-only unit unless otherwise noted, this replacement part is ideal for rear-end overhauls, hub rebuilds, or preventative maintenance across Ford’s most enduring vocational workhorses. It’s a go-to part for techs working on Ford F-350 rear axle bearing issues, full-float rear assemblies, or aging small pickup trucks with heavy-duty needs.
Is this the right spindle for the job?

Truck Compatibility – Parts List
This FORD F350 HD / E450 Spindle Replacement Spindle is designed to fit Ford’s full-float rear axle. Here is a list of parts compatible with this spindle:
- Inner Bearing: Ford F81Z1244BA / Timken NP 387AS
- Outer Bearing: NP145100
- Wheel Seal: Motorcraft BRS 179, CC3Z1S175A
- Locknut: QU40102 R.H. Thread
If you’re still in doubt, contact us and we’ll help you find the right product.
FORD F350 HD / E450 Spindle – Frequently Asked Questions
Is this spindle weld-on or bolt-on?
This is a weld-on replacement spindle. The installation process is simple and direct, just cut the damaged spindle, prep the axle tube, and weld the new one in place using standard axle service practices.




