Homeβ€Ί Driveline and Axles > Gaskets and Sealing Systemsβ€Ί National 2146 Wheel Seal - Front Right, Rear or Rear Outer
Part #: 2146

National 2146 Wheel Seal - Front Right, Rear or Rear Outer

Rear
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Fitment: Jeep, Ford, Hyundai, American Motors, Pontiac, Buick, and Oldsmobile, Grand Cherokee, Liberty, Aerostar, Cherokee, Comanche, Wagoneer, Wrangler, Stellar, Eagle, Bronco, F-100, F-150, F-250, F-350, GTO, GS, GS 455, Skylark, Cutlass, Cutlass Supreme, F85, Grand Prix, LeMans, 442, Sportwagon, GS 350, GS 400, and Special
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National 2146 Wheel Seal Overview

The National 2146 wheel seal is engineered to provide reliable sealing performance for a range of driveline applications. Designed with durable nitrile material, this oil seal is compatible with various Buick, Ford, Hyundai, Jeep, Oldsmobile, and Pontiac models, including the Ford F-150, Jeep Grand Cherokee, and Buick Skylark.

  • Inside diameter: 1.687 inches (42.85 mm)
  • Outside diameter: 2.579 inches (65.51 mm)
  • Thickness/width: 0.375 inches (9.53 mm)
  • Sealing material: Nitrile for resistance to oil and wear
  • Housing bore size: 2.560 inches (65.02 mm)
  • Part type: Wheel seal, part number 2146

Detailed Product Description

The National 2146 wheel seal is part of the 2000 series and is constructed from nitrile, a synthetic rubber known for its excellent resistance to petroleum-based oils and high temperatures. This oil seal is designed to fit shafts with an inside diameter of 1.687 inches and housings with a bore diameter of approximately 2.56 inches, making it suitable for a variety of driveline and axle applications. The precise dimensions ensure a secure fit to prevent oil leaks and contamination, maintaining the integrity of the wheel assembly.

Compatible Vehicles and Applications

This wheel seal is compatible with multiple vehicle makes and models, including Buick Skylark, Pontiac GTO, Ford F-150, Jeep Grand Cherokee, Hyundai Liberty, and Oldsmobile Cutlass Supreme. It is ideal for use in wheel hubs and axle assemblies where a reliable oil seal is critical to driveline performance.

Common Issues Addressed by National 2146 Wheel Seal

  • Prevents oil leaks from wheel hubs and axle assemblies
  • Protects bearings from dirt, dust, and moisture contamination
  • Reduces wear and extends the life of driveline components
  • Maintains proper lubrication within the wheel assembly
  • Helps avoid costly repairs due to seal failure

Installation Notes and Tips

When installing the National 2146 wheel seal, ensure the shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the seal lip lightly with clean oil before installation to reduce initial wear.

Quality Assurance and Warranty

Manufactured by National, a trusted brand in driveline sealing systems, the 2146 wheel seal meets industry standards for durability and performance. The nitrile material offers resistance to oil and heat, ensuring long service life. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandNational
Part Number2146
Housing Bore (Inch)2.560
Housing Bore (MM)65.020
Inside Diameter1.687
Inside Diameter42.850
MaterialNitrile
Outside Diameter2.579
Outside Diameter65.510
Outside Diameter (Inch)2.579
Outside Diameter (mm)65.510
Part DescriptionOil Seal
Sealing MaterialNitrile
Series2000
Shaft (Inch)1.687
Shaft (MM)42.850
Thickness0.375
Thickness9.530
Type#
Unit of DimensionInch
Width (Inch)0.375
Width (mm)9.530

This part fits 81 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2004JeepGrand CherokeeRear
2003JeepGrand CherokeeRear
2002JeepGrand CherokeeRear
2002JeepLibertyRearwith Dana Spicer 35 Axle(s)
2001JeepGrand CherokeeRear
2000JeepGrand CherokeeRear
1999JeepGrand CherokeeRear
1990FordAerostarRearwith Spicer 30 Axle
1989FordAerostarRearwith Spicer 30 Axle
1989JeepCherokeeRear Outerfits vehicles with Spicer 35 Axle
1989JeepComancheRear Outerfits vehicles with Spicer 35 Axle
1989JeepWagoneerRear Outerfits vehicles with Spicer 35 Axle
1989JeepWranglerRear Outer
1988FordAerostarRearwith Spicer 30 Axle
1988JeepCherokeeRear Outerfits vehicles with Spicer 35 Axle
1988JeepComancheRear Outerfits vehicles with Spicer 35 Axle
1988JeepWagoneerRear Outerfits vehicles with Spicer 35 Axle
1988JeepWranglerRear Outer
1987FordAerostarRearwith Spicer 30 Axle
1987JeepCherokeeRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1987JeepCherokeeRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1987JeepComancheRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1987JeepComancheRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1987JeepWagoneerRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1987JeepWagoneerRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1987JeepWranglerRear Outer
1986HyundaiStellarRearwith KSC Axle
1986JeepCherokeeRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1986JeepCherokeeRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1986JeepComancheRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1986JeepComancheRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1986JeepWagoneerRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1986JeepWagoneerRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1985HyundaiStellarRearwith KSC Axle
1985JeepCherokeeRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1985JeepCherokeeRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1985JeepWagoneerRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1985JeepWagoneerRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1984JeepCherokeeRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1984JeepCherokeeRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1984JeepWagoneerRear Outerfor Heavy Duty Axle, Spicer 35 Axle
1984JeepWagoneerRear OuterExcept Heavy Duty Axle; with Spicer 35 Axle
1982FordBroncoFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1982FordF-100Front Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1982FordF-1504WDFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1982FordF-2504WDFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; with HD Axle; Independent Front Suspension
1982FordF-2504WDFront Rightwith 9 (in) Ring Gear; with Spicer 50.5 Axle; Independent Front Suspension
1982FordF-3504WDFront Rightwith 9 (in) Ring Gear; with Spicer 50.5 Axle; Independent Front Suspension
1981FordBroncoFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1981FordF-100Front Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1981FordF-1504WDFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1981FordF-2504WDFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; with HD Axle; Independent Front Suspension
1981FordF-2504WDFront Rightwith 9 (in) Ring Gear; with Spicer 50.5 Axle; Independent Front Suspension
1981FordF-3504WDFront Rightwith 9 (in) Ring Gear; with Spicer 50.5 Axle; Independent Front Suspension
1980FordBroncoFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1980FordF-100Front Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1980FordF-1504WDFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; Independent Front Suspension
1980FordF-2504WDFront Rightwith 8.5 (in) Ring Gear; with Spicer 44 Axle; with HD Axle; Independent Front Suspension
1980FordF-2504WDFront Rightwith 9 (in) Ring Gear; with Spicer 50.5 Axle; Independent Front Suspension
1980FordF-3504WDFront Rightwith 9 (in) Ring Gear; with Spicer 50.5 Axle; Independent Front Suspension
1973PontiacGTORear
1972BuickSkylarkRear
1972OldsmobileCutlassRear
1972OldsmobileCutlass SupremeRear
1972PontiacGrand PrixRear
1972PontiacGTORear
1972PontiacLeMansRearwith 9.375 (in) Ring Gear; with Buick-Oldsmobile Axle
1971BuickSkylarkRear
1971OldsmobileCutlassRear
1971OldsmobileCutlass SupremeRear
1971PontiacGrand PrixRear
1971PontiacGTORearwith 9.375 (in) Ring Gear; with Buick-Oldsmobile Axle
1971PontiacLeMansRearwith 9.375 (in) Ring Gear; with Buick-Oldsmobile Axle
1970BuickSkylarkRear
1970OldsmobileCutlassRear
1970OldsmobileCutlass SupremeRear
1970PontiacGrand PrixRear
1970PontiacGTO6.6LV8Rearwith 9.375 (in) Ring Gear; with Buick-Oldsmobile Axle
1970PontiacGTO7.5LV8Rearwith 9.375 (in) Ring Gear; with Buick-Oldsmobile Axle
1970PontiacLeMansRearwith 9.375 (in) Ring Gear; with Buick-Oldsmobile Axle
1969BuickSkylarkRear

* 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:

12303289123037611674721462620287291-133593835938-141647417.64003417949847780477875012824AA52-21-569252214-311005300047755214-31200E0TZ3254BE7TZ1177A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.