RAM Dually 3500 Spindle
Built for serious haulers, the RAM Dually 3500 Spindle is engineered for trucks running full-float rear axles with 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 dually needs a spindle that matches its workload, this is the replacement you can trust.
In stock
| Type: | RAM Dually 3500 DRW, 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: | Bearing Set: Timken SET401 or SET403 (NP bearings); heavy-duty models may use SET435/SET436, Locknut: 2-9/16"–18 thread; Dorman 615-130 or OEM 3-piece spindle lock nut kit, Wheel Seal: National 370003A, Timken 370003A, or Stemco 393-0139 |
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 Dually 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 Dually 3500 Replacement Spindle is designed to fit Dodge RAM Dually 3500 DRW (most full-float models from 2003–present) . Here is a list of parts compatible with this spindle:
- Vehicle Models: Dodge RAM 3500 Double Rear Wheel configuration
- Axle Type: AAM 11.5″ or Dana 80 Full-Float Rear Axle
- Bearing Set: Timken SET401 or SET403 (NP bearings); heavy-duty models may use SET435/SET436
- Locknut: 2-9/16″–18 thread; Dorman 615-130 or OEM 3-piece spindle lock nut kit
- Wheel Seal: National 370003A, Timken 370003A, or Stemco 393-0139
If you’re still in doubt, contact us and we’ll help you find the right product.
RAM Dually 3500 – 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 Dually spindle different from the standard RAM 3500 spindle?
The dually version is built for dual rear wheels. It features a different length, wall thickness, and load rating. For single-wheel applications, visit our RAM 3500 Spindle product page.
