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National 14276 Differential Pinion RaceOE Quality 60-Day Returns
Part #: 14276

National 14276 Differential Pinion Race

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🚗Fitment: Cadillac, Chevrolet, Dodge, SRT, Pontiac, Morgan, Aston Martin, Mercedes-Benz, International, Jeep, Ford, GMC, Daimler, Jaguar, Sunbeam, Fargo, Lincoln, Singer, Willys, Mercury, and Plymouth, ATS, Camaro, Challenger, SS, Viper, CTS, G8, Plus 8, V-8, 190D, Zagato, 190E, Scout II, Cherokee, CJ5, CJ7, J10, J20, Wagoneer, Bronco, F-100, CJ6, Vantage, Blazer, K10 Pickup, K10 Suburban, K20 Pickup, K20 Suburban, K30 Pickup, Jimmy, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, K35/K3500 Pickup, Commando, J-100, J-2500, J-2600, J-4500, J-4600, J-4700, J-4800, DBS, J-3800, Jeepster, 4/4, Plus Four, DB6, Scout, J-2700, J-3500, J-3600, J-3700, 250, Gladiator, Universal Truck, P375, 3.4, CJ5A, CJ6A, J-2800, SP250, 2.4, Universal, Tiger, CJ3, F-134, FC150, FC170, FC170HD, Truck, DB5, 6-230, J-200, J-210, J-220, J-230, J-300, J-310, J-320, J-330, Tornado, M Series Van, 3.8, 6-226, FJ3, FJ3A, Utility Wagon, DB4, F4-134, Utility, Escort, AM80, D300 Series, P300 Van, F4, FA-134, DB, DBD, D100 Pickup, D300 Pickup, P300 Series, P310 Series, P320 Series, P410 Series, P420 Series, P450 Series, P300 Parcel Delivery, Prefect, Anglia, Squire, Willys, D200 Pickup, Capri, Mark II, Premier, C-3, C-4, Power Wagon, F-250, 475, Nine, C-1, C-1 Truck, F-350, Custom, and SM1500
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Not what you need? Click here for all Differential Pinion Race options

National Differential Pinion Race 14276 Overview

The National Differential Pinion Race 14276 is engineered for precise fitment and reliable performance in a variety of vehicles including Ford Bronco, Chevrolet Camaro, and Jeep Cherokee. This taper bearing cup is designed to meet exact specifications, ensuring smooth driveline operation and durability.

  • Cup Bore Diameter: 2.7170 inches (69.0120 mm)
  • Cup Length: 0.6250 inches (15.8750 mm)
  • Cup Radius: 0.0460 inches (1.1680 mm)
  • Part Type: Taper bearing cup for differential pinion
  • Compatible with multiple makes and models including Aston Martin 190E, Cadillac CTS, Dodge Challenger, and Mercedes-Benz 190E

Technical Specifications and Design Details

The National 14276 differential pinion race features a precisely machined cup bore of 2.7170 inches (69.0120 mm) that ensures a secure fit on the pinion shaft. The cup length of 0.6250 inches (15.8750 mm) provides adequate surface area for bearing support, while the cup radius of 0.0460 inches (1.1680 mm) is designed to accommodate the taper bearing geometry. This part is critical for maintaining proper alignment and load distribution within the differential assembly, contributing to consistent driveline performance.

Compatible Vehicles and Applications

This differential pinion race is compatible with a range of vehicles, including but not limited to:

  • Ford Bronco, F-100, F-250, F-350
  • Chevrolet Camaro, Blazer, K10 Suburban, K20 Suburban
  • Jeep Cherokee, CJ5, CJ7, Wagoneer
  • Dodge Challenger, Viper
  • Cadillac ATS, CTS
  • Aston Martin 190E, Mercedes-Benz 190E
  • GMC Jimmy, Pontiac G8, SS, Escort, Zagato

Common Issues Addressed by National 14276

  • Wear or damage to the existing differential pinion race causing noise or vibration
  • Improper bearing fit leading to premature bearing failure
  • Excessive play in the differential pinion assembly
  • Leaking or damaged bearing surfaces affecting differential performance
  • Replacement during differential rebuilds or upgrades

Installation Notes and Tips

Ensure the differential housing and pinion shaft are clean and free of debris before installation. Use proper tools to press the National 14276 pinion race into place without damaging the cup bore or bearing surfaces. Verify correct seating depth and alignment to maintain optimal bearing preload and differential function. It is recommended to inspect related components such as bearings and seals during installation.

Quality Assurance and Warranty

National manufactures the 14276 differential pinion race to meet OEM specifications, ensuring consistent quality and durability. This part undergoes rigorous quality control to maintain dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support long-term reliability in driveline applications.

BrandNational
Part Number14276
Cup Bore (Inch)2.7170
Cup Bore (MM)69.0120
Cup Length (Inch)0.6250
Cup Length (MM)15.8750
Cup Radius (Inch)0.0460
Cup Radius (MM)1.1680
Part DescriptionTaper Bearing Cup

This part fits 169 vehicles. Search below:

YearMakeModelDrive TypeTransmissionPositionNotes
2018CadillacATSManualFront
2018ChevroletCamaroManualFront
2018DodgeChallengerManualFront
2017CadillacATSManualFront
2017ChevroletCamaroManualFront
2017ChevroletSSManualFront
2017DodgeChallengerManualFront
2017DodgeViperManualFront
2016CadillacATSManualFront
2016ChevroletCamaroManualFront
2016ChevroletSSManualFront
2016DodgeChallengerManualFront
2016DodgeViperManualFront
2015CadillacCTSManualFront
2015ChevroletCamaroManualFront
2015ChevroletSSManualFront
2015DodgeChallengerManualFront
2015DodgeViperManualFront
2014CadillacCTSManualFront
2014ChevroletCamaroManualFront
2014DodgeChallengerManualFront
2013CadillacCTSManualFront
2013ChevroletCamaroManualFront
2013DodgeChallengerManualFront
2012CadillacCTSManualFront
2012ChevroletCamaroManualFront
2012DodgeChallengerManualFront
2011CadillacCTSManualFront
2011ChevroletCamaroManualFront
2011DodgeChallengerManualFront
2010CadillacCTSManualFront
2010ChevroletCamaroManualFront
2010DodgeChallengerManualFront
2009CadillacCTSManualFront
2009DodgeChallengerManualFront
2009PontiacG8ManualFront
1988Aston MartinZagatoFront Inner
1988Mercedes-Benz190EManualN/Awith Mercedes-Benz GL68/20B Transmission
1987Aston MartinZagatoFront Inner
1987Mercedes-Benz190EManualN/Awith Mercedes-Benz GL68/20B Transmission
1986Mercedes-Benz190EManualN/Awith Mercedes-Benz GL68/20B Transmission
1985Mercedes-Benz190EManualN/Awith Mercedes-Benz GL68/20B Transmission
1984Mercedes-Benz190EManualN/Awith Mercedes-Benz GL68/20B Transmission
1979JeepCherokee4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1979JeepCJ54WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1979JeepCJ74WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1979JeepJ104WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1979JeepJ204WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1979JeepWagoneer4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1978JeepCherokee4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1978JeepCJ54WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1978JeepCJ74WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1978JeepJ104WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1978JeepJ204WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1978JeepWagoneer4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1977JeepCherokee4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1977JeepCJ54WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1977JeepCJ74WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1977JeepJ104WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1977JeepJ204WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1977JeepWagoneer4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1976FordBronco4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1976FordF-1004WDFrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1976JeepCherokee4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1976JeepCJ54WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1976JeepCJ74WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1976JeepJ104WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1976JeepJ204WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1976JeepWagoneer4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1975FordBronco4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1975FordF-1004WDFrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1975JeepCherokee4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1975JeepCJ54WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1975JeepJ104WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1975JeepJ204WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1975JeepWagoneer4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974ChevroletBlazer4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974ChevroletK10 SuburbanFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974ChevroletK20 SuburbanFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974FordBroncoFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974FordF-1004WDFrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1974GMCJimmy4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974JeepCherokeeFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974JeepCJ5FrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974JeepJ10FrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974JeepJ20FrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1974JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1973ChevroletBlazer4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1973ChevroletK10 SuburbanFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1973ChevroletK20 SuburbanFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1973FordBroncoFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1973FordF-1004WDFrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1973GMCJimmy4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1973JeepCJ5FrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1973JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1972ChevroletBlazer4WDRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1972ChevroletBlazer4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1972ChevroletK10 SuburbanRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1972ChevroletK20 SuburbanRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1972FordBroncoFront2nd Design; with Spicer 20 Transfer Case; with Part Time 4WD; 2 Speed; 2.717 (in) Cup Bore; 0.625 (in) Cup Length
1972FordBroncoFront1st Design; with Spicer 20 Transfer Case; with Part Time 4WD; 2 Speed; 2.717 (in) Cup Bore; 0.625 (in) Cup Length
1972FordF-1004WDFrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1972GMCJimmy4WDRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1972JeepCJ5Front1st Design; with Spicer 20 Transfer Case; with Part Time 4WD; 2 Speed; 2.717 (in) Cup Bore; 0.625 (in) Cup Length
1972JeepCJ5Front2nd Design; with Spicer 20 Transfer Case; with Part Time 4WD; 2 Speed; 2.717 (in) Cup Bore; 0.625 (in) Cup Length
1972JeepWagoneerFront1st Design; with Spicer 20 Transfer Case; with Part Time 4WD; 2 Speed; 2.717 (in) Cup Bore; 0.625 (in) Cup Length
1972JeepWagoneerFront2nd Design; with Spicer 20 Transfer Case; with Part Time 4WD; 2 Speed; 2.717 (in) Cup Bore; 0.625 (in) Cup Length
1971ChevroletBlazer4WDRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1971ChevroletK10 SuburbanRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1971ChevroletK20 SuburbanRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1971FordBroncoFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1971FordF-1004WDFrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1971GMCJimmy4WDRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1971JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1971JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1970ChevroletBlazer4WDRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1970ChevroletK10 SuburbanRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1970ChevroletK20 SuburbanRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1970FordBroncoFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1970FordF-1004WDFrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1970GMCJimmy4WDRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1970JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1970JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1969ChevroletBlazer4WDRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1969ChevroletK10 SuburbanRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1969ChevroletK20 SuburbanRearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1969FordBroncoFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1969FordF-100FrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1969JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1969JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1968FordBronco4WDFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1968FordF-100FrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1968JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1968JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1967FordBroncoFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1967FordF-100FrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1967JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1967JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1966FordBroncoFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1966FordF-100FrontFull Time 4WD; with Spicer 21 Transfer Case; 1 Speed
1966JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1966JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1965JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1965JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1964JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1964JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1963JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1963JeepWagoneerFrontFits Spicer 20 Transfer Case with Part Time 4WD and 2 Speed configuration.
1962JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1961FordEscortRearwith Ford Europe Axle
1961JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1960FordEscortRearwith Ford Europe Axle
1960JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1959FordEscortRearwith Ford Europe Axle
1959JeepCJ5RearFits models with Spicer 18 Transfer Case for Part Time 4WD with 2 Speed.
1958FordEscortRearwith Ford Europe Axle
1957FordEscortRearwith Ford Europe Axle
1956FordEscortRearwith Ford Europe Axle
1956FordF-100Front Inner
1956FordF-250Front Inner
1955FordF-100Front Inner
1955FordF-250Front Inner
1955FordF-350Front Inner
1954FordF-100Front Inner
1954FordF-250Front Inner
1954FordF-350Front Inner
1953FordF-100Front Inner
1953FordF-250Front Inner
1953FordF-350Front Inner

* 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:

01Y-1202020989005682AB08542HT09371910464010942310A757110A7575116210125X1514276143241Z144083C116234X16239X165167165167A16581317818181-249181189184077C11851841870819-4222192816195151M119515X1J32981J3298T1Y-1202201162204749C1209352209890215006922134253284267151269962SD7330156313247314867039562523CM20263SD73406341031424846425328442532846425512430324565734S60725101427665200315288352883U52902540E-1217540E-1217A54628H550218561031565212R15CM20075CM20235S52061Y-12026289764721464AX219656290659839R165EX1229664214683035069839470209890702098906706821R1742532847521647683035079907082747782M15840058J4229104640960078296X142769N744A26996A29977AP18554B299790BBB5007BR14276BT14276CLO8944CM2026D21444D31970E8N-7067EE94821EFX6009ET38519F14276F152GK4338GTB7874GTB7874BJD10066JD7409JDX83415AJDX86578AJT9203K1938KW1218M2293TO1Y-1202P55273S9810S9876SG5094ST991T9338TG9994VT2097X3346AY-4222AY14276YE-4222

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