RAM 3500 / Dually Spindle
Built for serious haulers, the RAM 3500/Dually Spindle is engineered for trucks running full-float rear axles with single or dual rear wheels. Whether you manage a fleet or operate a workhorse of your own, this spindle restores factory alignment, maintains proper wheel spacing, and supports high-mileage, heavy-load performance.
Compatible with OEM brake and hub assemblies, it’s a direct-fit solution for field repairs or full rear-end rebuilds. If your Dodge RAM 3500 or RAM dually 3500 needs a spindle that matches its workload, this is the replacement you can trust.
Note: If you have a 2011 model, please refer to 2011 RAM 3500/Dually Spindle.
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.
| Type: | RAM 3500 and 3500 Dually, Pickup Truck |
| Recommended Fit For: | AAM 11.5" or Dana 80 Full-Float Rear Axle |
| Heat Treatment: | Yes |
| Weight: | 13 lbs |
| Warranty: | 1 year limited warranty |
| Compatible Parts: | Inner Bearing 45291, Outer Bearing LM104949, Wheel Seal SKF 30033, Locknut DOORMAN 615-139 |
| Dimensions: | Lock Nut: 50.8 mm, Outer Bearing: 50.80 mm, Inner Bearing: 57.15 mm, Wheel Seal: 76.2 mm |
Description
This RAM 3500/Dually spindle is machined from high-strength, heat-treated alloy steel and built to OEM spec for the AAM 11.5″ or Dana 80 full-float rear axle. Designed to handle extreme towing, fleet wear, and commercial use, it maintains critical geometry for camber, toe, and dual-wheel alignment. It integrates seamlessly with factory brake calipers, hubs, and seals, and features corrosion-resistant construction for long-term durability.
Ideal for RAM 3500 and Dually 3500 trucks working in construction, transport, agriculture, and beyond, this replacement spindle is trusted by mechanics, fleet operators, and DIY owners alike.
Is this the right spindle for the job?

Truck Compatibility – Parts List
This RAM 3500 / Dually Replacement Spindle is designed to fit Dodge RAM 3500 SRW and DRW (most full-float models from 2003–present, excluding 2011) . Here is a list of parts compatible with this spindle:
- Inner Bearing 45291
- Outer Bearing LM104949
- Wheel Seal SKF 30033
- Locknut DOORMAN 615-139
If you’re still in doubt, contact us and we’ll help you find the right product.
RAM 3500 / Dually – Frequently Asked Questions
Is the RAM 3500 Dually replacement spindle suitable for towing and commercial use?
Definitely. This part is engineered for high-mileage, heavy-duty use—ideal for fleets, contractors, and anyone who relies on their truck for demanding work.
How is the RAM 3500 / Dually spindle different from the 2011 RAM 3500 / Dually spindle?
The 2011 model features a slightly different seal journal and accommodates a different seal size to match factory fitment.




