OE Quality
60-Day Returns

Timken NP504493 Differential Pinion Bearing - Rear or Rear Inner
Overview of Timken NP504493 Differential Pinion Bearing
The Timken NP504493 differential pinion bearing is engineered for reliable performance in Ford and Lincoln vehicles. Designed to support the pinion gear in the differential, this bearing ensures smooth driveline operation for models like the Ford F-150 and Lincoln Navigator.
- Precision-engineered for differential pinion gear support
- Compatible with multiple Ford and Lincoln models including E-250 Econoline and F-350 Super Duty
- Durable construction to withstand heavy-duty driveline stresses
- Part number NP504493 for accurate identification and fitment
- Manufactured by Timken, a trusted name in driveline and axle components
Product Details and Compatibility
This differential pinion bearing, part number NP504493, is specifically designed for use in Ford and Lincoln vehicles such as the E-250 Econoline, E-350 Club Wagon, F-150 Heritage, and the Lincoln Navigator. It supports the pinion gear within the differential assembly, reducing friction and wear during torque transfer. The bearing's robust design helps maintain proper gear alignment and contributes to the overall durability of the driveline system.
Applications and Problem Solving
This Timken differential pinion bearing is used to address common driveline issues including:
- Excessive noise or whining from the differential
- Vibration or roughness during acceleration or deceleration
- Premature wear of differential gears due to improper pinion support
- Reduced driveline efficiency and potential gear misalignment
- Failure of existing worn or damaged pinion bearings
Installation Notes and Tips
Proper installation of the NP504493 bearing is critical for optimal performance. It is recommended to:
- Ensure the differential housing and pinion gear are clean and free of debris
- Use appropriate tools to press the bearing without causing damage
- Check pinion preload and bearing preload specifications according to the vehicle service manual
- Inspect related components such as seals and races for wear and replace if necessary
Quality Assurance and Warranty
Timken manufactures the NP504493 differential pinion bearing to meet strict quality standards. Each bearing undergoes rigorous testing to ensure durability and performance under demanding conditions. While specific warranty details may vary, Timken products typically come with a limited warranty against defects in material and workmanship, providing confidence in the part’s reliability for Ford and Lincoln driveline applications.
This part fits 57 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Ford | F-150 | Rear Inner | Non-Limited Slip Differential with a Ring Gear size of 10.25 inches. |
| 2008 | Lincoln | Mark LT | Rear Inner | 10.25 in. Ring Gear Differential Pinion Race |
| 2007 | Ford | F-150 | Rear Inner | Non-Limited Slip Differential with a Ring Gear size of 10.25 inches. |
| 2007 | Ford | F-350 Super Duty | Rear Inner | Single Rear Wheels |
| 2007 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels - Narrow Frame |
| 2007 | Lincoln | Mark LT | Rear Inner | 10.25 in. Ring Gear Differential Pinion Race |
| 2006 | Ford | F-150 | Rear Inner | Non-Limited Slip Differential with a Ring Gear size of 10.25 inches. |
| 2006 | Ford | F-250 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2006 | Ford | F-350 Super Duty | Rear Inner | Single Rear Wheels |
| 2006 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels - Narrow Frame |
| 2006 | Ford | F-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2006 | Lincoln | Mark LT | Rear Inner | 10.25 in. Ring Gear Differential Pinion Race |
| 2006 | Lincoln | Navigator | Rear Inner | 10.25 in. Ring Gear Differential Pinion Race |
| 2005 | Ford | E-350 Club Wagon | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2005 | Ford | E-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2005 | Ford | Excursion | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2005 | Ford | F-150 | Rear Inner | Non-Limited Slip Differential with a Ring Gear size of 10.25 inches. |
| 2005 | Ford | F-250 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2005 | Ford | F-350 Super Duty | Rear Inner | Single Rear Wheels |
| 2005 | Ford | F-350 Super Duty | Rear Inner | Dual Rear Wheels - Narrow Frame |
| 2005 | Ford | F-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2004 | Ford | E-350 Club Wagon | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2004 | Ford | E-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2004 | Ford | Excursion | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2004 | Ford | F-150 | Rear Inner | Non-Limited Slip Differential with a Ring Gear size of 10.25 inches. |
| 2004 | Ford | F-150 Heritage | Rear Inner | Non-Limited Slip Differential with a Ring Gear size of 10.25 inches. |
| 2004 | Ford | F-250 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2004 | Ford | F-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2004 | Ford | F-350 Super Duty | Rear Inner | Non Dana Axle |
| 2003 | Ford | E-350 Club Wagon | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2003 | Ford | Excursion | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2003 | Ford | F-250 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2003 | Ford | F-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2003 | Ford | F-350 Super Duty | Rear Inner | Non Dana Axle |
| 2002 | Ford | E-250 Econoline | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2002 | Ford | E-350 Econoline Club Wagon | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2002 | Ford | Excursion | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2002 | Ford | F-250 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2002 | Ford | F-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2002 | Ford | F-350 Super Duty | Rear Inner | Non Dana Axle |
| 2001 | Ford | E-250 Econoline | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2001 | Ford | E-350 Econoline Club Wagon | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2001 | Ford | Excursion | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2001 | Ford | F-250 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2001 | Ford | F-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2001 | Ford | F-350 Super Duty | Rear Inner | Non Dana Axle |
| 2000 | Ford | E-250 Econoline | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2000 | Ford | E-350 Econoline Club Wagon | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2000 | Ford | Excursion | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2000 | Ford | F-250 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2000 | Ford | F-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 2000 | Ford | F-350 Super Duty | Rear Inner | Non Dana Axle |
| 1999 | Ford | E-250 Econoline | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 1999 | Ford | E-350 Econoline Club Wagon | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 1999 | Ford | F-250 | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 1999 | Ford | F-250 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
| 1999 | Ford | F-350 Super Duty | Rear Inner | Fits vehicles with 10.5 inch Ring Gear and Automatic Transmission Output Shaft Bearing. |
* 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.