Yukon Gear 19-23 Ram 3500/4500/5500 Bearing and Seal Kit - Master Bearing 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.
Rebuild the rear differential in your 2019–2023 Ram 3500/4500/5500 with the Yukon Gear YK AAM12.0-A Master Overhaul Bearing and Seal Kit – Timken bearings and races, quality seals and the small parts you need to start and finish the job in one shot.
Why Choose the Yukon YK AAM12.0-A Master Overhaul Kit?
- Timken bearings and races – paired with high-quality seals
- Complete package – everything for a comprehensive rear differential repair or upgrade, including seals and small parts
- Meets or exceeds OEM specs – designed for a correct fit and seamless integration
- Built for heavy-duty use – high-quality materials made to handle tough road conditions
- Better power transmission – precision construction restores rear differential performance
- Application-specific kit – Yukon researches each kit so it carries what your axle needs
Kit Includes
- 2.267" ID x 4.920" OD head bearing
- 2.000" ID tail bearing
- Seals and small parts
Fits These Models
- 2019–2025 Ram 3500 – Big Horn, Laramie, Limited, Tradesman
- 2019–2020 Ram 3500 – Laramie Longhorn
- 2021–2025 Ram 3500 – Limited Longhorn
- 2019–2022 Ram 3500 – Lone Star
- 2019–2024 Ram 3500 – SLT
- 2024–2025 Ram 3500 – Special Service
- Kit is listed for 2019–2023 Ram 3500, 4500 and 5500 rear axle differentials
Specifications
- Head bearing – 2.267 in. ID x 4.920 in. OD
- Tail bearing – 2.0 in. ID
- Kit – YK AAM12.0-A Master Overhaul
Key Features at a Glance
- Timken components – bearings and races
- One-box rebuild – bearings, seals and small parts
- OEM-or-better spec – direct fit
- Heavy-duty ready – for work trucks that tow
SKU: YUKYK AAM12.0-A
Questions? We’re Here to Help.
Have questions about upgrades for your Ram 3500/4500/5500? 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 |
|---|---|
| 2023 | 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.
