HomeDriveline and Axles > Service KitsSKF SDK315-MK Axle Differential Bearing and Seal Kit - Rear
Part #: SDK315-MK

SKF SDK315-MK Axle Differential Bearing and Seal Kit - Rear

Rear
200 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, and Mercury, Ranger, Mustang, Town Car, Mark VIII, Aerostar, Explorer, Thunderbird, Cougar, Bronco II, Mark VII, Continental, LTD, Capri, Marquis, Fairmont, Zephyr, and Granada
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Overview of SKF SDK315-MK Axle Differential Bearing and Seal Kit

The SKF SDK315-MK is a precision-engineered axle differential bearing and seal kit designed for driveline and axle service. This kit is compatible with a range of Ford, Lincoln, and Mercury vehicles, including models such as the Ford Explorer, Mustang, and Lincoln Town Car. It features a bearing with an 11.0000 inch inside diameter and a 2.5 inch width, tailored to meet specific differential requirements.

  • Inside diameter: 11.0000 inches for accurate fitment
  • Width: 2.500 inches ensuring proper bearing seating
  • Bearing type: Diff2tp, designed for differential axle applications
  • Complete kit includes both bearing and seal components
  • Compatible with multiple Ford, Lincoln, and Mercury models

Technical Details and Specifications

The SKF SDK315-MK kit includes a differential bearing with a precise 11-inch inside diameter and a 2.5-inch width, engineered to provide reliable support and smooth operation within the axle differential assembly. The Diff2tp bearing type is specifically designed for differential applications, ensuring durability under varying load conditions. This kit also includes seals that maintain proper lubrication and prevent contamination, critical for maintaining axle performance and longevity.

Compatible Vehicles and Applications

This axle differential bearing and seal kit is compatible with a broad range of Ford, Lincoln, and Mercury vehicles. It is suitable for models such as the Ford Aerostar, Bronco II, Capri, Explorer, Mustang, Ranger, Thunderbird, and Zephyr, as well as Lincoln Continental, Mark VII, Mark VIII, Town Car, and Mercury Cougar, Fairmont, LTD, and Marquis. The SKF SDK315-MK is ideal for service and repair of driveline components in these vehicles, ensuring proper fit and function.

  • Replaces worn or damaged differential bearings and seals
  • Addresses axle noise and vibration issues
  • Prevents lubricant leaks from the differential housing
  • Restores smooth differential operation and drivetrain performance
  • Helps avoid premature wear of axle components

Installation Notes and Tips

When installing the SKF SDK315-MK kit, ensure the differential housing is clean and free of debris before assembly. Properly align the bearing with the axle shaft and differential case to avoid misalignment. Use recommended tools to press the bearing and seal into place without damage. Verify the bearing clearance and torque specifications according to the vehicle manufacturer’s service manual. Lubricate seals appropriately to prevent premature failure.

Quality Assurance and Warranty

SKF manufactures the SDK315-MK kit to meet stringent quality standards, ensuring reliable performance in demanding automotive applications. The components undergo rigorous testing for durability and fitment accuracy. While specific warranty details may vary, SKF typically offers coverage against manufacturing defects, providing confidence in the product’s longevity and service life.

This part fits 200 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011FordRangerRearMaster Kit; 7.5" Ring Gear
2010FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2010FordRangerRearMaster Kit; 7.5" Ring Gear
2010FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2009FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2009FordRangerRearMaster Kit; 7.5" Ring Gear
2009FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2008FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2008FordRangerRearMaster Kit; 7.5" Ring Gear
2008FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2007FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2007FordRangerRearMaster Kit; 7.5" Ring Gear
2007FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2006FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2006FordRangerRearMaster Kit; 7.5" Ring Gear
2006FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2005FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2005FordRangerRearMaster Kit; 7.5" Ring Gear
2005FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2005LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2004FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2004FordRangerRearMaster Kit; 7.5" Ring Gear
2004FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2004LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2003FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2003FordRangerRearMaster Kit; 7.5" Ring Gear
2003FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2003LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2002FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2002FordRangerRearMaster Kit; 7.5" Ring Gear
2002FordRangerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2002LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2001FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2001FordRangerRearMaster Kit; 7.5" Ring Gear
2001LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2000FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
2000FordRangerRearMaster Kit; 7.5" Ring Gear
2000LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1999FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1999FordRangerRearMaster Kit; 7.5" Ring Gear
1999LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1998FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1998FordRangerRearMaster Kit; 7.5" Ring Gear
1998LincolnMark VIIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1998LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1997FordAerostarRearMaster Kit; 7.5" Ring Gear
1997FordExplorerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1997FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1997FordRangerRearMaster Kit; 7.5" Ring Gear
1997FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1997LincolnMark VIIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1997LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1997MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1996FordAerostarRearMaster Kit; 7.5" Ring Gear
1996FordExplorerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1996FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1996FordRangerRearMaster Kit; 7.5" Ring Gear
1996FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1996LincolnMark VIIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1996LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1996MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1995FordAerostarRearMaster Kit; 7.5" Ring Gear
1995FordExplorerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1995FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1995FordRangerRearMaster Kit; 7.5" Ring Gear
1995FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1995LincolnMark VIIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1995LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1995MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1994FordAerostarRearMaster Kit; 7.5" Ring Gear
1994FordExplorerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1994FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1994FordRangerRearMaster Kit; 7.5" Ring Gear
1994FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1994LincolnMark VIIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1994LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1994MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1993FordAerostarRearMaster Kit; 7.5" Ring Gear
1993FordExplorerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1993FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1993FordRangerRearMaster Kit; 7.5" Ring Gear
1993FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1993LincolnMark VIIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1993LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1993MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1992FordAerostarRearMaster Kit; 7.5" Ring Gear
1992FordExplorerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1992FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1992FordRangerRearMaster Kit; 7.5" Ring Gear
1992FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1992LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1992MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1991FordAerostarRearMaster Kit; 7.5" Ring Gear
1991FordExplorerRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1991FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1991FordRangerRearMaster Kit; 7.5" Ring Gear
1991FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1991LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1991MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1990FordAerostarRearMaster Kit; 7.5" Ring Gear
1990FordBronco IIRearMaster Kit; 7.5" Ring Gear
1990FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1990FordRangerRearMaster Kit; 7.5" Ring Gear
1990FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1990LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1990MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1989FordAerostarRearMaster Kit; 7.5" Ring Gear
1989FordBronco IIRearMaster Kit; 7.5" Ring Gear
1989FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1989FordRangerRearMaster Kit; 7.5" Ring Gear
1989FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1989LincolnMark VIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1989LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1989MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1988FordAerostarRearMaster Kit; 7.5" Ring Gear
1988FordBronco IIRearMaster Kit; 7.5" Ring Gear
1988FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1988FordRangerRearMaster Kit; 7.5" Ring Gear
1988FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1988LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1988MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1987FordAerostarRearMaster Kit; 7.5" Ring Gear
1987FordBronco IIRearMaster Kit; 7.5" Ring Gear
1987FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1987FordRangerRearMaster Kit; 7.5" Ring Gear
1987FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1987LincolnContinentalRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1987LincolnMark VIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1987LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1987MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986FordAerostarRearMaster Kit; 7.5" Ring Gear
1986FordBronco IIRearMaster Kit; 7.5" Ring Gear
1986FordLTDRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986FordRangerRearMaster Kit; 7.5" Ring Gear
1986FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986LincolnContinentalRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986LincolnMark VIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986MercuryCapri3.8LV6RearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986MercuryCapri2.3LL4RearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1986MercuryMarquisRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985FordBronco IIRearMaster Kit; 7.5" Ring Gear
1985FordLTDRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985FordRangerRearMaster Kit; 7.5" Ring Gear
1985FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985LincolnContinentalRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985LincolnMark VIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985MercuryCapriRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1985MercuryMarquisRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984FordBronco IIRearMaster Kit; 7.5" Ring Gear
1984FordLTDRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984FordRangerRearMaster Kit; 7.5" Ring Gear
1984FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984LincolnContinentalRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984LincolnMark VIIRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984LincolnTown CarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984MercuryCapriRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1984MercuryMarquisRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1983FordFairmontRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1983FordLTDRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1983FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1983FordRangerRearMaster Kit; 7.5" Ring Gear
1983FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1983MercuryCapriRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1983MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1983MercuryMarquisRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1983MercuryZephyrRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1982FordFairmontRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1982FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1982FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1982MercuryCapriRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1982MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1982MercuryMarquisRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1982MercuryZephyrRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1981FordFairmontRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1981FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1981FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1981MercuryCapriRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1981MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1981MercuryMarquisRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1981MercuryZephyrRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1980FordFairmontRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1980FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1980FordThunderbirdRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1980MercuryCapriRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1980MercuryCougarRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1980MercuryZephyrRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1979FordFairmontRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1979FordMustangRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1979MercuryCapriRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1979MercuryZephyrRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1978FordFairmontRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit
1978MercuryZephyrRearMaster Kit for 7.50" Ring Gear, including Axle Differential Bearing and Seal Kit

* 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.