HomeDriveline and Axles > BearingsTimken LM603019 Differential Race - Front or Rear
Part #: LM603019

Timken LM603019 Differential Race - Front or Rear

Rear
34 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, and Mercury, Explorer, Mark LT, Navigator, Mountaineer, Expedition, F-150, and Aviator
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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:

YearMakeModelDrive TypePositionNotes
2008FordExplorerRear8.8 in. Ring Gear - Independent Rear Suspension
2007FordExplorerRear8.8 in. Ring Gear - Independent Rear Suspension
2007LincolnMark LT4WDFrontDifferential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission
2007LincolnNavigator4WDFrontDifferential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission
2007MercuryMountaineerRear8.8 in. Ring Gear - Independent Rear Suspension
2006FordExpedition4WDFront
2006FordExpeditionRear8.8 in. Ring Gear - Independent Rear Suspension
2006FordExplorerRear8.8 in. Ring Gear - Independent Rear Suspension
2006FordF-1504WDFrontDifferential Pinion Race for 8.8 inch ring gear.
2006LincolnMark LT4WDFrontDifferential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission
2006LincolnNavigator4WDFrontDifferential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission
2006MercuryMountaineerRear8.8 in. Ring Gear - Independent Rear Suspension
2005FordExpedition4WDFront
2005FordExpeditionRear8.8 in. Ring Gear - Independent Rear Suspension
2005FordExplorerRear8.8 in. Ring Gear - Independent Rear Suspension
2005FordF-1504WDFrontDifferential Pinion Race for 8.8 inch ring gear.
2005LincolnAviatorRear8.8 in. Ring Gear - Independent Rear Suspension
2005LincolnNavigator4WDFrontDifferential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission
2005MercuryMountaineerRear8.8 in. Ring Gear - Independent Rear Suspension
2004FordExpedition4WDFront
2004FordExpeditionRear8.8 in. Ring Gear - Independent Rear Suspension
2004FordExplorerRear8.8 in. Ring Gear - Independent Rear Suspension
2004FordF-1504WDFrontDifferential Pinion Race for 8.8 inch ring gear.
2004LincolnAviatorRear8.8 in. Ring Gear - Independent Rear Suspension
2004LincolnNavigator4WDFrontDifferential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission
2004MercuryMountaineerRear8.8 in. Ring Gear - Independent Rear Suspension
2003FordExpeditionRear8.8 in. Ring Gear - Independent Rear Suspension
2003FordExplorerRear8.8 in. Ring Gear - Independent Rear Suspension
2003FordF-1504WDFrontDifferential Pinion Race for 8.8 inch ring gear.
2003LincolnAviatorRear8.8 in. Ring Gear - Independent Rear Suspension
2003LincolnNavigator4WDFrontDifferential Pinion Race for Dana/Spicer 35 Axle compatible with Manual Transmission
2003MercuryMountaineerRear8.8 in. Ring Gear - Independent Rear Suspension
2002FordExplorerRear8.8 in. Ring Gear - Independent Rear Suspension
2002MercuryMountaineerRear8.8 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.