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Timken LM603019 Differential Race - Front or Rear
Timken LM603019 Differential Race Overview
The Timken LM603019 differential race is engineered for reliable driveline performance in select Ford, Lincoln, and Mercury vehicles. Designed to meet precise specifications, this bearing race supports smooth differential operation in models such as the Ford F-150, Explorer, and Lincoln Navigator.
- Width dimensions: 0.656 inches (16.67 mm)
- Outside diameter: 3.063 inches (77.79 mm)
- Bearing cup radius: 0.031 inches (0.80 mm)
- Compatible with Ford, Lincoln, and Mercury driveline systems
- Part number LM603019 ensures exact fitment
Technical Specifications and Design Details
The Timken LM603019 differential race features a precise width of 0.656 inches (16.67 mm) and an outside diameter of 3.063 inches (77.79 mm), providing a secure seating surface for the bearing cup. The bearing cup radius of 0.031 inches (0.80 mm) is critical for maintaining proper bearing alignment and load distribution within the differential assembly. These dimensions are essential for maintaining the integrity and performance of the driveline components in vehicles like the Ford Expedition and Mercury Mountaineer.
Compatible Vehicles and Applications
This differential race is compatible with a range of Ford, Lincoln, and Mercury models, including:
- Ford F-150
- Ford Explorer
- Ford Expedition
- Lincoln Navigator
- Lincoln Aviator
- Mercury Mountaineer
- Ford Mark LT
Using the Timken LM603019 ensures proper fitment and function within the differential assemblies of these vehicles, supporting driveline durability and performance.
Common Issues Addressed by the Differential Race
- Wear and tear on existing differential bearing surfaces
- Noise and vibration caused by damaged or worn races
- Improper bearing alignment leading to premature failure
- Leaks or contamination due to compromised bearing seating
- Reduced driveline efficiency and performance
Installation Notes and Tips
- Ensure the differential housing is clean and free of debris before installation
- Use proper tools to press the race evenly into place without distortion
- Verify dimensions against OEM specifications to confirm correct fit
- Inspect bearings and related components for wear during installation
- Follow vehicle-specific service manual procedures for differential assembly
Quality Assurance and Warranty
Timken manufactures the LM603019 differential race to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Timken products typically come with a limited warranty against defects in materials and workmanship. Refer to Timken’s official documentation for complete warranty information.
This part fits 34 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2008 | Ford | Explorer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2007 | Ford | Explorer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2007 | Lincoln | Mark LT | 4WD | Front | Differential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission |
| 2007 | Lincoln | Navigator | 4WD | Front | Differential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission |
| 2007 | Mercury | Mountaineer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2006 | Ford | Expedition | 4WD | Front | |
| 2006 | Ford | Expedition | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2006 | Ford | Explorer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2006 | Ford | F-150 | 4WD | Front | Differential Pinion Race for 8.8 inch ring gear. |
| 2006 | Lincoln | Mark LT | 4WD | Front | Differential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission |
| 2006 | Lincoln | Navigator | 4WD | Front | Differential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission |
| 2006 | Mercury | Mountaineer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2005 | Ford | Expedition | 4WD | Front | |
| 2005 | Ford | Expedition | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2005 | Ford | Explorer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2005 | Ford | F-150 | 4WD | Front | Differential Pinion Race for 8.8 inch ring gear. |
| 2005 | Lincoln | Aviator | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2005 | Lincoln | Navigator | 4WD | Front | Differential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission |
| 2005 | Mercury | Mountaineer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2004 | Ford | Expedition | 4WD | Front | |
| 2004 | Ford | Expedition | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2004 | Ford | Explorer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2004 | Ford | F-150 | 4WD | Front | Differential Pinion Race for 8.8 inch ring gear. |
| 2004 | Lincoln | Aviator | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2004 | Lincoln | Navigator | 4WD | Front | Differential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission |
| 2004 | Mercury | Mountaineer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2003 | Ford | Expedition | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2003 | Ford | Explorer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2003 | Ford | F-150 | 4WD | Front | Differential Pinion Race for 8.8 inch ring gear. |
| 2003 | Lincoln | Aviator | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2003 | Lincoln | Navigator | 4WD | Front | Differential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission |
| 2003 | Mercury | Mountaineer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2002 | Ford | Explorer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension | |
| 2002 | Mercury | Mountaineer | Rear | 8.8 in. Ring Gear - Independent Rear Suspension |
* 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.