Homeโ€บ Transmission > Bearingsโ€บ Timken 304WB Manual Transmission Countershaft Bearing
Part #: 304WB

Timken 304WB Manual Transmission Countershaft Bearing

Front, Rear Outer, Center, and Rear
172 vehicles fit this part
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Fitment: BMW, Dodge, Ford, Honda, Hyundai, Mazda, Mercury, Mitsubishi, Nissan, and Suzuki, 210, 280ZX, 320i, 323, 510, 528i, 530i, 626, 720, 810, Aerostar, B2000, B2200, Bronco II, Civic, Colt, Cougar, Excel, Explorer, F-150, F-250, Miata, Mighty Max, Montero, MX-6, Protege, Ranger, RX-7, Samurai, Sonata, and Thunderbird
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Reliable Manual Transmission Countershaft Bearing for Select Vehicles

The Timken 304WB manual transmission countershaft bearing is engineered to provide dependable performance for a range of vehicles including BMW, Ford, Honda, and Nissan models. Designed to meet OEM specifications, this bearing supports smooth transmission operation and helps maintain drivetrain efficiency.

  • Compatible with manual transmissions on BMW 320i, 528i, and 530i models
  • Fits Ford F-150, Explorer, and Thunderbird manual transmissions
  • Suitable for Honda Civic and Mazda Miata manual transmission applications
  • Durable construction designed to withstand high rotational speeds and loads
  • Timken quality ensures precise fit and long service life

Product Details and Specifications

The Timken 304WB is a manual transmission countershaft bearing designed to support the countershaft within the transmission assembly. This bearing reduces friction and wear between rotating components, contributing to smoother gear shifts and improved transmission longevity. It is compatible with a variety of makes and models, including BMW 320i and 530i, Ford F-150 and Explorer, Honda Civic, and Nissan 280ZX. The bearing is manufactured to meet strict quality standards, ensuring reliable performance under demanding driving conditions.

Applications and Problem Solving

  • Replaces worn or damaged countershaft bearings in manual transmissions
  • Addresses issues such as excessive transmission noise or rough shifting
  • Helps prevent premature transmission wear caused by bearing failure
  • Restores proper alignment and support for countershaft components
  • Improves overall transmission reliability and drivability

Installation Notes and Tips

When installing the Timken 304WB bearing, ensure the transmission is clean and free of debris. Proper alignment of the bearing on the countershaft is critical to avoid premature wear. It is recommended to inspect related transmission components for wear or damage during installation. Use appropriate tools to press the bearing into place without causing damage.

Quality Assurance and Warranty

Timken bearings are manufactured to meet rigorous quality standards, providing consistent performance and durability. The 304WB manual transmission countershaft bearing is backed by Timken's commitment to quality, ensuring it meets or exceeds OEM requirements. Warranty coverage details can be obtained from Timken or authorized distributors.

This part fits 172 vehicles. Search below:

YearMakeModelBody TypeDrive TypeTransmissionLitersCylindersPositionNotes
2004FordRangerManualRearMazda
2003FordRangerManualRearMazda
2002FordExplorerManualRearMazda
2002FordRangerManualRearMazda
2001FordRangerManualRearMazda
1999FordF-250ManualN/AR2
1998FordF-250ManualN/AR2
1997FordF-150ManualRearMazda
1997FordF-250ManualN/AR2
1996FordF-150ManualRearMazda
1995FordThunderbirdManualRear
1995SuzukiSamuraiManualRear
1994FordThunderbirdManualRear
1994SuzukiSamuraiManualRear
1993FordAerostarManualRearMazda
1993FordExplorerManualRearMazda
1993FordRangerManualRearMazda
1993FordThunderbirdManualRear
1993MazdaB2200ManualRear5E, 5TB
1993SuzukiSamuraiManualRear
1992FordAerostarManualRearMazda
1992FordExplorerManualRearMazda
1992FordRangerManualRearMazda
1992FordThunderbirdManualRear
1992HyundaiSonataManualCenter
1992Mazda323ManualRear
1992Mazda626ManualRear
1992MazdaB2200ManualRear5E, 5TB
1992MazdaMiataManualRear
1992MazdaMX-6ManualRear
1992SuzukiSamuraiManualRear
1991DodgeColtManualCenter
1991FordAerostarManualRearMazda
1991FordExplorerManualRearMazda
1991FordRangerManualRearMazda
1991FordThunderbirdManualRear
1991HyundaiSonataManualCenter
1991Mazda323ManualRear
1991Mazda626ManualRear
1991MazdaB2200ManualRear5E, 5TB
1991MazdaMiataManualRear
1991MazdaProtegeManualRear
1991SuzukiSamuraiManualRear
1990DodgeColtManualCenter
1990FordThunderbirdManualRear
1990HyundaiSonataManualCenter
1990Mazda323ManualRear
1990Mazda626ManualRear
1990MazdaB2200ManualRear5E, 5TB
1990MazdaMiataManualRear
1990MazdaProtegeManualRear
1990MercuryCougarManualRear
1990SuzukiSamuraiManualRear
1989DodgeColtManualCenter
1989DodgeColtManualCenterKM201-0, KM206-0
1989FordThunderbirdManualRear
1989HyundaiExcelManualN/AKM201-0
1989HyundaiSonataManualCenter
1989MazdaB2200ManualRear5E, 5TB
1989MitsubishiMighty MaxManualRearKM1329, KM132, R5M21, V5MT1, KM145
1989MitsubishiMonteroManualRearKM1329, KM132, R5M21, V5MT1, KM145
1989SuzukiSamuraiManualRear
1988DodgeColtManualCenter
1988DodgeColtManualCenterKM201-0, KM206-0
1988HyundaiExcelManualN/AKM201-0
1988MazdaB2200ManualRear5E, 5TB
1988MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1988MitsubishiMighty MaxManualRearKM1329, KM132, R5M21, V5MT1, KM145
1988MitsubishiMonteroManualRearKM1329, KM132, R5M21, V5MT1, KM145
1988SuzukiSamuraiManualRear
1987DodgeColtManualCenter
1987DodgeColtManualCenterKM201-0, KM206-0
1987FordAerostarManualRearMazda 5D, 5E, 5TB
1987FordRangerManualRearMazda 5D, 5E, 5TB
1987HyundaiExcelManualN/AKM201-0
1987MazdaB2000ManualRear5E, 5TB
1987MazdaB2200ManualRear5E, 5TB
1987MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1987MitsubishiMighty MaxManualRearKM1329, KM132, R5M21, V5MT1, KM145
1987MitsubishiMonteroManualRearKM1329, KM132, R5M21, V5MT1, KM145
1987SuzukiSamuraiManualRear
1986DodgeColtManualN/A
1986DodgeColtManualCenter
1986FordAerostarManualRearMazda 5D, 5E, 5TB
1986FordRangerManualRearMazda 5D, 5E, 5TB
1986HyundaiExcelManualN/AKM160-1
1986MazdaB2000ManualRear5E, 5TB
1986MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1986MitsubishiMighty MaxManualRearKM1329, KM132, R5M21, V5MT1, KM145
1986MitsubishiMonteroManualRearKM1329, KM132, R5M21, V5MT1, KM145
1986SuzukiSamuraiManualRear
1985DodgeColtManualN/A
1985FordRangerManualRearMazda 5D, 5E, 5TB
1985MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1985MitsubishiMighty MaxManualRearKM1329, KM132, R5M21, V5MT1, KM145
1985MitsubishiMonteroManualRearKM1329, KM132, R5M21, V5MT1, KM145
1984DodgeColtManualN/A
1984FordBronco IIManualRearMazda/Toyo Kogyo, 4E
1984FordRangerManualRearMazda/Toyo Kogyo, 4E
1984MazdaB2000ManualRear5D
1984MazdaB2200ManualRear5D
1984MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1984MitsubishiMighty MaxManualRearKM1329, KM132, R5M21, V5MT1, KM145
1984MitsubishiMonteroManualRearKM1329, KM132, R5M21, V5MT1, KM145
1983DodgeColtManualN/A
1983FordRangerManualRearMazda/Toyo Kogyo, 4E
1983MazdaB2000ManualRear5D
1983MazdaB2200ManualRear5D
1983MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1983MitsubishiMighty MaxManualRearKM1329, KM132, R5M21, V5MT1, KM145
1983MitsubishiMonteroManualRearKM1329, KM132, R5M21, V5MT1, KM145
1982BMW320iManualFront
1982DodgeColtManualN/A
1982Mazda626ManualRear5B, 5C, 5D, 5G, M51, 5TR
1982MazdaB2000ManualRear5D
1982MazdaB2200ManualRear5D
1982MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1982Nissan210Manual1.4LL4RearF4W56A, A14, A15 Eng
1982Nissan210Manual1.5LL4RearF4W56A, A14, A15 Eng
1981BMW320iManualFront
1981Mazda626ManualRear5B, 5C, 5D, 5G, M51, 5TR
1981MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1981Nissan210Manual1.4LL4RearF4W56A, A14, A15 Eng
1981Nissan210Manual1.5LL4RearF4W56A, A14, A15 Eng
1980BMW320iManualFront
1980DodgeColtManualN/A
1980Mazda626ManualRear5B, 5C, 5D, 5G, M51, 5TR
1980MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1980Nissan210Manual1.4LL4RearF4W56A, A14, A15 Eng
1980Nissan210Manual1.5LL4RearF4W56A, A14, A15 Eng
1980Nissan720ManualFront
1980Nissan810ManualFront
1979BMW528iManualN/A
1979HondaCivicSedanFWDRear Outer
1979HondaCivicWagonFWDRear OuterWagon
1979Mazda626ManualRear5B, 5C, 5D, 5G, M51, 5TR
1979MazdaRX-7ManualRear5B, 5C, 5D, 5G, M51, 5TR
1979Nissan210ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1979Nissan280ZXManualFront
1979Nissan280ZXManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1979Nissan510ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1979Nissan810ManualFront
1979Nissan810ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1978BMW530iManualN/A
1978HondaCivicSedanFWDRear Outer
1978HondaCivicWagonFWDRear OuterWagon
1978Nissan510ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1978Nissan810ManualFront
1978Nissan810ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1977BMW530iManualN/A
1977HondaCivicSedanFWDRear Outer
1977HondaCivicWagonFWDRear OuterWagon
1977Nissan810ManualFront
1977Nissan810ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1976BMW530iManualN/A
1976HondaCivicSedanFWDRear Outer
1976HondaCivicWagonFWDRear OuterWagon
1975HondaCivicSedanFWDRear Outer
1975HondaCivicWagonFWDRear OuterWagon
1974HondaCivicSedanFWDRear Outer
1974HondaCivicWagonFWDRear OuterWagon
1973HondaCivicSedanFWDRear Outer
1973HondaCivicWagonFWDRear OuterWagon
1973Nissan510ManualFront
1973Nissan510ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1972Nissan510ManualFront
1972Nissan510ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1971Nissan510ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1971Nissan510ManualFront
1970Nissan510ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1969Nissan510ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing
1968Nissan510ManualFrontCompatible with various wheel seal applications, R4W71A - Manual Transmission Countershaft Bearing

* 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:

304304N36304J

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