Valair 1994-2003 Dodge Ram 2500/3500 5.9L Cummins NV4500 5-Speed 1.375" Input Shaft Upgrade Kit
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Built for the 1994–2003 Dodge Ram 2500/3500 with the 5.9L Cummins, NV4500 5-Speed, the Valair 1.375" Input Shaft Upgrade Kit upgrades the NV4500 to a 1.375" input shaft, with the bearing pressed on and the retainer’s front seal and race already installed.
Why Choose the Valair 1.375" Input Shaft Upgrade Kit?
- 1.375" input shaft – upgrades the NV4500 to a 1.375" input shaft.
- Bearing pressed on – the shaft ships with its bearing already pressed on.
- Retainer ready to go – retainer comes with the front seal and race installed.
- Bearings included – pocket bearing and thrust bearing in the kit.
Kit Includes
- 1.375" shaft w/ bearing pressed on
- Retainer w/ front seal + race installed
- Pocket bearing
- Thrust bearing
Fits These Models
1994–2003 Dodge Ram 2500/3500 with 5.9L Cummins, NV4500 5-Speed
Specifications
- Powertrain: 5.9L Cummins, NV4500 5-Speed
Notes
- NV4500 1.375" upgrade
SKU: VA1.375K
Questions? We’re Here to Help.
Have questions about upgrades for your Dodge Ram 2500/3500? Contact FASS Motorsports and we’ll get you dialed:
Phone: 636-429-7020
Email: info@fassmotorsports.com
This part fits the following vehicles:
| Years | Make & Model |
|---|---|
| 1994–2003 | Dodge Ram 2500 |
| 1994–2003 | Dodge Ram 3500 |
Fitment is listed by year, make and model. Some applications also depend on cab, bed, drivetrain or engine — if you are not sure, call 636-429-7020 or send us your vehicle details and we will confirm before you order.
