/live/media/CR/CR_NP673386_Ang.jpg)
OE Quality
60-Day Returns
/live/media/CR/CR_NP673386_Ang.jpg)
/live/media/CR/CR_NP673386_Top.jpg)
SKF NP673386 Differential Pinion Race - Rear Inner
Overview of the SKF NP673386 Differential Pinion Race
The SKF NP673386 differential pinion race is engineered for reliable driveline performance in heavy-duty trucks. Designed to meet the specifications required by Chevrolet, Ford, GMC, and Ram 2500, 3500, F-350 Super Duty, Sierra 3500 HD, and Silverado 3500 HD models, this part ensures proper fit and function.
- Width: 0.812 inches for precise bearing seating
- Outside Diameter: 4.375 inches for accurate fitment
- Compatible with Chevrolet, Ford, GMC, and Ram heavy-duty trucks
- Part number NP673386 for easy identification and ordering
Detailed Product Description
The SKF NP673386 differential pinion race is a critical component within the driveline and axles category, specifically designed to support the pinion bearing in the differential assembly. With a width of 0.812 inches and an outside diameter of 4.375 inches, this race provides a secure and stable surface for the bearing to operate, reducing wear and maintaining alignment under heavy load conditions. This part is compatible with Chevrolet 2500 and 3500 series, Ford F-350 Super Duty, GMC Sierra 3500 HD, and Silverado 3500 HD models, ensuring a precise fit for these applications.
Common Applications and Problem Solving
- Replaces worn or damaged differential pinion races to restore proper bearing support
- Addresses noise or vibration issues caused by bearing misalignment
- Prevents premature bearing failure due to improper race dimensions
- Supports driveline stability in heavy-duty truck differentials
- Helps maintain correct gear mesh and differential performance
Installation Notes and Tips
- Ensure the differential housing is clean and free of debris before installation
- Use proper tools to press the pinion race evenly into place without distortion
- Verify the race dimensions (0.812" width and 4.375" outside diameter) match OEM specifications
- Inspect the pinion bearing for wear and replace if necessary during installation
- Follow vehicle manufacturer torque specifications when reassembling the differential
Quality Assurance and Warranty
SKF manufactures the NP673386 differential pinion race to meet stringent quality standards, ensuring durability and consistent performance in demanding applications. While specific warranty details may vary, SKF products typically come with a limited warranty against manufacturing defects. It is recommended to consult SKF or the vehicle service manual for warranty terms and installation guidelines.
This part fits 66 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | Ram | 2500 | Rear Inner | American 11.50" Axle |
| 2018 | Ram | 2500 | Rear Inner | American 11.50" Axle |
| 2018 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2" Inner Bearing ID: |
| 2018 | Ram | 3500 | Rear Inner | American 11.80" Axle: |
| 2018 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2.125" Inner Bearing ID: |
| 2017 | Chevrolet | Silverado 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2017 | GMC | Sierra 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2017 | Ram | 2500 | Rear Inner | American 11.50" Axle |
| 2017 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2" Inner Bearing ID: |
| 2017 | Ram | 3500 | Rear Inner | American 11.80" Axle: |
| 2017 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2.125" Inner Bearing ID: |
| 2016 | Chevrolet | Silverado 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2016 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2016 | GMC | Sierra 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2016 | Ram | 2500 | Rear Inner | American 11.50" Axle |
| 2016 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2" Inner Bearing ID: |
| 2016 | Ram | 3500 | Rear Inner | American 11.80" Axle: |
| 2016 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2.125" Inner Bearing ID: |
| 2015 | Chevrolet | Silverado 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2015 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2015 | GMC | Sierra 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2015 | Ram | 2500 | Rear Inner | American 11.50" Axle |
| 2015 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2" Inner Bearing ID: |
| 2015 | Ram | 3500 | Rear Inner | American 11.80" Axle: |
| 2015 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2.125" Inner Bearing ID: |
| 2014 | Chevrolet | Silverado 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2014 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2014 | GMC | Sierra 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2014 | Ram | 2500 | Rear Inner | American 11.50" Axle |
| 2014 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2" Inner Bearing ID: |
| 2014 | Ram | 3500 | Rear Inner | American 11.80" Axle: |
| 2014 | Ram | 3500 | Rear Inner | American 11.50" Axle & 2.125" Inner Bearing ID: |
| 2013 | Chevrolet | Silverado 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2013 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2013 | GMC | Sierra 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2013 | Ram | 3500 | Rear Inner | American 11.50" Axle |
| 2012 | Chevrolet | Silverado 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2012 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2012 | GMC | Sierra 3500 HD | Rear Inner | 11.50" Ring Gear - Axle Differential Bearing |
| 2012 | Ram | 3500 | Rear Inner | American 11.50" Axle |
| 2011 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2010 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2010 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2009 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2009 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2008 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2008 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2007 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2007 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2006 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2006 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2005 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2005 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2005 | Ford | F-350 Super Duty | Rear Inner | 11.25" Ring Gear w/ 3.73, 4.30, 4.88 & 5.38 Ratios |
| 2004 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2004 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2004 | Ford | F-350 Super Duty | Rear Inner | 11.25" Ring Gear w/ 3.73, 4.30, 4.88 & 5.38 Ratios |
| 2003 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2003 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2003 | Ford | F-350 Super Duty | Rear Inner | 11.25" Ring Gear w/ 3.73, 4.30, 4.88 & 5.38 Ratios |
| 2002 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2002 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels. |
| 2002 | Ford | F-350 Super Duty | Rear Inner | 11.25" Ring Gear w/ 3.73, 4.30, 4.88 & 5.38 Ratios |
| 2001 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 2000 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
| 1999 | Ford | F-350 Super Duty | Rear Inner | Dana 80 Axle |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.