Home› Driveline and Axles > Bearings› Timken HM89446 Differential Pinion Bearing - Rear, Rear Inner or Rear Outer
Timken HM89446 Differential Pinion Bearing - Rear, Rear Inner or Rear OuterOE Quality 60-Day Returns
Timken HM89446 Differential Pinion Bearing - Rear, Rear Inner or Rear Outer - view 1
Timken HM89446 Differential Pinion Bearing - Rear, Rear Inner or Rear Outer - view 2
Timken HM89446 Differential Pinion Bearing - Rear, Rear Inner or Rear Outer - view 3
Timken HM89446 Differential Pinion Bearing - Rear, Rear Inner or Rear Outer - view 4
Part #: HM89446

Timken HM89446 Differential Pinion Bearing - Rear, Rear Inner or Rear Outer

Rear Inner, Rear Outer, and Rear
⚙️ 214 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$41.89Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Aston Martin, BMW, Buick, Chevrolet, Chrysler, Dodge, Jaguar, Mercury, Oldsmobile, and Pontiac, 318i, 318is, 318ti, 320i, 323Ci, 323i, 323is, 88, 98, Bonneville, Camaro, Catalina, Challenger, Charger, Dart, Firebird, Lancer, LeSabre, Montego, New Yorker, Newport, Roadmaster, Starfire, Town & Country, Virage, XJ12, XJ6, XJ8, XJR, XJS, Z3, and Zagato
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Differential Pinion Bearing options

Reliable Differential Pinion Bearing for Select Vehicles

The Timken HM89446 differential pinion bearing is engineered to provide dependable performance for a range of vehicles including BMW, Chevrolet, Dodge, and Jaguar models. Designed to meet OEM specifications, this bearing supports smooth driveline operation and helps maintain proper differential function.

  • Precision-engineered for differential pinion applications
  • Compatible with various makes such as Aston Martin, Buick, Chrysler, and Pontiac
  • Supports models including BMW 318i, Camaro, Charger, and Jaguar XJ6
  • Durable construction to withstand driveline stresses
  • Part number HM89446 ensures exact fitment and quality

Product Details and Compatibility

The Timken HM89446 differential pinion bearing is designed for use in driveline and axle assemblies, specifically supporting the pinion gear within the differential. This bearing is compatible with a broad range of vehicles, including BMW 318is, 320i, 323Ci, and Z3, as well as American classics like the Chevrolet Camaro, Pontiac Firebird, and Dodge Challenger. It also fits luxury and performance models such as the Jaguar XJ8, XJR, and Aston Martin Virage. The part number HM89446 ensures precise fitment, helping maintain proper gear alignment and reducing wear on differential components.

Common Applications and Problem Solving

  • Reduces noise and vibration caused by worn differential bearings
  • Prevents premature wear of pinion gears in driveline systems
  • Restores smooth differential operation in BMW 318ti and Chrysler Town & Country
  • Addresses issues related to differential play and gear misalignment
  • Supports reliable performance in high-torque vehicles like the Dodge Charger and Jaguar XJS

Installation Notes and Tips

Proper installation of the Timken HM89446 differential pinion bearing requires careful attention to bearing preload and alignment. It is recommended to use appropriate tools to press the bearing onto the pinion shaft without causing damage. Verify compatibility with your specific vehicle model and differential type before installation. Consult the vehicle’s service manual for torque specifications and assembly procedures to ensure optimal performance.

Quality Assurance and Warranty

Timken bearings are manufactured to meet stringent quality standards, ensuring durability and reliable operation in demanding automotive applications. While specific warranty details for part number HM89446 may vary, Timken products typically come with a limited warranty against defects in materials and workmanship. For detailed warranty information, refer to Timken’s official documentation or contact authorized distributors.

This part fits 214 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009JaguarXJ8Rear Outer
2009JaguarXJRRear Outer
2008JaguarXJ8Rear Outer
2008JaguarXJRRear Outer
2007JaguarXJ8Rear Outer
2007JaguarXJRRear Outer
2006JaguarXJ8Rear Outer
2006JaguarXJRRear Outer
2005JaguarXJ8Rear Outer
2005JaguarXJRRear Outer
2004BMW320iRear Inner
2004JaguarXJ8Rear Outer
2004JaguarXJRRear Outer
2003BMW320iRear Inner
2003JaguarXJ8Rear Outer
2003JaguarXJRRear Outer
2002JaguarXJ8Rear Outer
2002JaguarXJRRear Outer
2001BMW320iRear Inner
2001JaguarXJ8Rear Outer
2001JaguarXJRRear Outer
2000BMW323CiRear Inner
2000BMW323iRear Inner
2000BMWZ3Rear Inner
2000JaguarXJ8Rear Outer
2000JaguarXJRRear Outer
1999BMW318tiRear Inner
1999BMW323iRear Inner
1999BMW323isRear Inner
1999BMWZ3Rear Inner
1999JaguarXJ8Rear Outer
1999JaguarXJRRear Outer
1998BMW318iRear Inner
1998BMW318tiRear Inner
1998BMW323iRear Inner
1998BMW323isRear Inner
1998BMWZ3Rear Inner
1998JaguarXJRRear Outer
1997BMW318iRear Inner
1997BMW318isRear Inner
1997BMW318tiRear Inner
1997BMWZ3Rear Inner
1997JaguarXJRRear Outer
1996BMW318iRear Inner
1996BMW318isRear Inner
1996BMW318tiRear Inner
1996BMWZ3Rear Inner
1996JaguarXJRRear Outer
1996JaguarXJSRear Outer
1995BMW318iRear Inner
1995BMW318isRear Inner
1995BMW318tiRear Inner
1995JaguarXJRRear Outer
1995JaguarXJSRear Outer
1994BMW318iRear Inner
1994BMW318isRear Inner
1994JaguarXJSRear Outer
1993BMW318iRear Inner
1993BMW318isRear Inner
1993JaguarXJSRear Outer
1992Aston MartinVirageRear Inner
1992BMW318iRear Inner
1992BMW318isRear Inner
1992JaguarXJSRear Outer
1991Aston MartinVirageRear Inner
1991BMW318iRear Inner
1991BMW318isRear Inner
1991JaguarXJSRear Outer
1991PontiacFirebirdRear InnerFits 7.75 in. Ring Gear Differential Bearing
1990Aston MartinVirageRear Inner
1990ChevroletCamaroRear InnerFits 7.75 in. Ring Gear Differential Bearing
1990JaguarXJSRear Outer
1990PontiacFirebirdRear InnerFits 7.75 in. Ring Gear Differential Bearing
1989ChevroletCamaroRear InnerFits 7.75 in. Ring Gear Differential Bearing
1989JaguarXJSRear Outer
1989PontiacFirebirdRear InnerFits 7.75 in. Ring Gear Differential Bearing
1988Aston MartinZagatoRear Inner
1988ChevroletCamaroRear InnerFits 7.75 in. Ring Gear Differential Bearing
1988JaguarXJ6Rear Outer
1988JaguarXJSRear Outer
1988PontiacFirebirdRear InnerFits 7.75 in. Ring Gear Differential Bearing
1987Aston MartinZagatoRear Inner
1987ChevroletCamaroRear InnerFits 7.75 in. Ring Gear Differential Bearing
1987JaguarXJ6Rear Outer
1987JaguarXJSRear Outer
1987PontiacFirebirdRear InnerFits 7.75 in. Ring Gear Differential Bearing
1986JaguarXJ6Rear Outer
1986JaguarXJSRear Outer
1986PontiacFirebirdRear InnerFits 7.75 in. Ring Gear Differential Bearing
1985BMW318iRear Inner
1985JaguarXJ6Rear Outer
1985JaguarXJSRear Outer
1985PontiacFirebirdRear InnerFits 7.75 in. Ring Gear Differential Bearing
1984BMW318iRear Inner
1984JaguarXJ6Rear Outer
1984JaguarXJSRear Outer
1983BMW320iRear Inner
1983JaguarXJ6Rear Outer
1983JaguarXJSRear Outer
1982BMW320iRear Inner
1982JaguarXJ6Rear Outer
1982JaguarXJSRear Outer
1981BMW320iRear Inner
1981JaguarXJ6Rear Outer
1981JaguarXJSRear Outer
1980BMW320iRear Inner
1980JaguarXJ6Rear Outer
1980JaguarXJSRear Outer
1979BMW320iRear Inner
1979JaguarXJ12Rear Outer
1979JaguarXJ6Rear Outer
1979JaguarXJSRear Outer
1978JaguarXJ12Rear Outer
1978JaguarXJ6Rear Outer
1978JaguarXJSRear Outer
1977JaguarXJ12Rear Outer
1977JaguarXJ6Rear Outer
1977JaguarXJSRear Outer
1976JaguarXJ12Rear Outer
1976JaguarXJ6Rear Outer
1976JaguarXJSRear Outer
1976MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1975JaguarXJ12Rear Outer
1975JaguarXJ6Rear Outer
1975MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1974JaguarXJ12Rear Outer
1974JaguarXJ6Rear Outer
1974MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1973JaguarXJ6Rear Outer
1973MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1972DodgeChallengerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1972DodgeChargerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1972DodgeDartRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1972JaguarXJ6Rear Outer
1972MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1971ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1971ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1971DodgeChallengerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1971DodgeChargerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1971DodgeDartRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1971MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1970ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1970ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1970DodgeChallengerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1970DodgeChargerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1970DodgeDartRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1970MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1969ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1969ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1969DodgeChargerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1969DodgeDartRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1969MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1968ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1968ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1968DodgeChargerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1968DodgeDartRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1968MercuryMontegoRear Inner7.5 in., 7.75 in., 8 in. Ring Gear - WCY, WEZ Axles
1967ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1967ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1967DodgeChargerRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1967DodgeDartRear Inner8.75 in. Ring Gear, 1.38 in. Pinion Shaft O.D.
1966DodgeChargerRear Inner1.38 in. pinion shaft outside diameter
1966DodgeDartRear Inner1.38 in. pinion shaft outside diameter
1965ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1965ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1965DodgeDartRear Inner1.38 in. pinion shaft outside diameter
1964ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1964ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1964DodgeDart2.8LL6Rear InnerNon 1.75 in. Pinion Shaft O.D.
1964DodgeDart4.5LV8Rear InnerNon 1.75 in. Pinion Shaft O.D.
1963ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1963ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1963DodgeDart2.8LL6Rear InnerNon 1.75 in. Pinion Shaft O.D.
1963PontiacBonnevilleRear OuterThru 6/1963
1963PontiacCatalinaRear OuterThru 6/1963
1962BuickLeSabreRear Outer
1962ChryslerNew YorkerRear Inner1.38 in. pinion shaft outside diameter
1962ChryslerNewportRear Inner1.38 in. pinion shaft outside diameter
1962DodgeDartRear Inner
1962DodgeLancerRear Inner
1962Oldsmobile98Rear Outer
1962OldsmobileStarfireRear Outer
1962PontiacBonnevilleRear Outer
1962PontiacCatalinaRear Outer
1961BuickLeSabreRear Outer
1961DodgeDart2.8LL6Rear Inner
1961DodgeLancer2.8LL6Rear Inner
1961Oldsmobile98Rear Outer
1961OldsmobileStarfireRear Outer
1961PontiacBonnevilleRear Outer
1961PontiacCatalinaRear Outer
1960BuickLeSabreRear Outer
1960DodgeDart2.8LL6Rear Inner
1960Oldsmobile98Rear Outer
1960PontiacBonnevilleRear Outer
1960PontiacCatalinaRear Outer
1959BuickLeSabreRear Outer
1959Oldsmobile98Rear Outer
1959PontiacBonnevilleRear Outer
1959PontiacCatalinaRear Outer
1958BuickRoadmasterRear Outer
1958Oldsmobile98Rear Outer
1958PontiacBonnevilleRear Outer
1958PontiacCatalinaRear Outer
1957BuickRoadmasterRear Outer
1957ChryslerNew YorkerRear Inner
1957ChryslerNewportRear Inner
1957ChryslerTown & CountryRear Inner
1957Oldsmobile88Rear Outer
1957OldsmobileStarfireRear Outer
1957PontiacBonnevilleRear Outer
1957PontiacCatalinaRear Outer
1956BuickRoadmasterRear Outer
1955BuickRoadmasterRear Outer

* 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:

HM89446

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