National PB-652 Clutch Pilot Bushing
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National

National PB-652 Clutch Pilot Bushing

Brand National PB-652
Bore (Inch) 0.592
Bore (mm) 15.037
Outside Diameter (Inch) 0.829
Outside Diameter (mm) 21.057
Part Description Clutch pilot bushing
Width (Inch) 0.755
Width (mm) 19.177
Fits Chevrolet and Pontiac · 68 vehicles

OE specification fit. Engineered to match original dimensions and function for service replacement.

Bronze construction. Premium-grade material supports consistent clutch pilot bushing performance.

Dimensioned for service. 0.592 in bore, 0.829 in outside diameter, and 0.755 in width.

Cross-references Baldwin B131, Dorman - Autograde 690-056 and Dorman - HELP 14647 for the same application. See all 16.

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Clutch Pilot Bushing Overview

The National PB-652 is a clutch pilot bushing built for manual transmission applications that require OE-style dimensions and bronze construction. It is sized for direct replacement use in supported Chevrolet and Pontiac applications, including Camaro, Firebird, Chevette, Acadian, and T1000 fitments.

Key Features

  • Premium-grade bronze construction for consistent bushing performance.
  • Engineered to meet OE specifications for fit and function.
  • 0.592 in bore, 0.829 in outside diameter, and 0.755 in width.
  • Fits standard-duty applications listed for Chevrolet Camaro and Pontiac Firebird.
  • National PB-652 part number for easy identification and ordering.

Detailed Description

The National PB-652 clutch pilot bushing is manufactured from premium-grade bronze and built to OE specification targets. In manual transmission service, the pilot bushing supports proper alignment between rotating components, helping maintain smooth clutch operation and consistent engagement. This part number is listed for 1982-2002 Chevrolet Camaro, 1982-2002 Pontiac Firebird, 1981-1987 Chevrolet Chevette, 1976-1987 Pontiac Acadian, and 1981-1987 Pontiac T1000 standard-duty applications. The PB-652 is a practical OE-style replacement for drivers servicing these Chevrolet and Pontiac platforms.

This part cross-references Timken PB652 and SKF B652 for the same application.

What It Is Used For

  • Replacing a worn pilot bushing that can affect clutch alignment.
  • Addressing clutch chatter or rough engagement linked to bushing wear.
  • Restoring proper support for the transmission input shaft area.
  • Correcting noise or vibration caused by excessive pilot bushing clearance.

Installation Notes and Tips

Verify the bore, outside diameter, and width before installation to confirm the PB-652 matches the application. Fitment notes specify standard-duty use and indicate that PB-652-HD should be used after depletion. Confirm the vehicle's manual transmission application and compare the existing bushing dimensions before service.

Quality Assurance

National states that this bushing is engineered to meet OE specifications.

This part fits 68 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersNotes
2002ChevroletCamaroManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
2002PontiacFirebirdManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
2001ChevroletCamaroManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
2001PontiacFirebirdManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
2000ChevroletCamaroManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
2000PontiacFirebirdManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1999ChevroletCamaroManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1999PontiacFirebirdManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1998ChevroletCamaroManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1998PontiacFirebirdManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1997ChevroletCamaroManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1997PontiacFirebirdManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1996ChevroletCamaroManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1996PontiacFirebirdManual3.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1995ChevroletCamaroManual3.4LV6Standard Duty; Use to depletion, then use PB-652-HD
1995PontiacFirebirdManual3.4LV6Standard Duty; Use to depletion, then use PB-652-HD
1994ChevroletCamaroManual3.4LV6Standard Duty; Use to depletion, then use PB-652-HD
1994PontiacFirebirdManual3.4LV6Standard Duty; Use to depletion, then use PB-652-HD
1993ChevroletCamaroManual3.4LV6Standard Duty; Use to depletion, then use PB-652-HD
1993PontiacFirebirdManual3.4LV6Standard Duty; Use to depletion, then use PB-652-HD
1992ChevroletCamaroManual3.1LV6Standard Duty; Use to depletion, then use PB-652-HD
1992PontiacFirebirdManual3.1LV6Standard Duty; Use to depletion, then use PB-652-HD
1991ChevroletCamaroManual3.1LV6Standard Duty; Use to depletion, then use PB-652-HD
1991PontiacFirebirdManual3.1LV6Standard Duty; Use to depletion, then use PB-652-HD
1990ChevroletCamaroManual3.1LV6Standard Duty; Use to depletion, then use PB-652-HD
1990PontiacFirebirdManual3.1LV6Standard Duty; Use to depletion, then use PB-652-HD
1989ChevroletCamaroManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1989PontiacFirebirdManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1988ChevroletCamaroManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1988PontiacFirebirdManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1987ChevroletCamaroManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1987ChevroletChevetteManual——Standard Duty; Use to depletion, then use PB-652-HD
1987PontiacAcadian———Standard Duty; Use to depletion, then use PB-652-HD
1987PontiacFirebirdManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1987PontiacT1000Manual——Standard Duty; Use to depletion, then use PB-652-HD
1986ChevroletCamaroManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1986ChevroletChevetteManual1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1986PontiacAcadian—1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1986PontiacFirebirdManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1986PontiacT1000Manual——Standard Duty; Use to depletion, then use PB-652-HD
1985ChevroletCamaroManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1985ChevroletChevetteManual1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1985PontiacAcadian—1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1985PontiacFirebirdManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1985PontiacT1000Manual——Standard Duty; Use to depletion, then use PB-652-HD
1984ChevroletCamaroManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1984ChevroletChevetteManual1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1984PontiacAcadian—1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1984PontiacFirebirdManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1984PontiacT1000Manual——Standard Duty; Use to depletion, then use PB-652-HD
1983ChevroletCamaroManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1983ChevroletChevetteManual1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1983PontiacAcadian—1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1983PontiacFirebirdManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1983PontiacT1000Manual——Standard Duty; Use to depletion, then use PB-652-HD
1982ChevroletCamaroManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1982ChevroletChevetteManual1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1982PontiacAcadian—1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1982PontiacFirebirdManual2.8LV6Standard Duty; Use to depletion, then use PB-652-HD
1982PontiacT1000Manual——Standard Duty; Use to depletion, then use PB-652-HD
1981ChevroletChevetteManual1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1981PontiacAcadian—1.6LL4Standard Duty; Use to depletion, then use PB-652-HD
1981PontiacT1000Manual——Standard Duty; Use to depletion, then use PB-652-HD
1980PontiacAcadian———Standard Duty; Use to depletion, then use PB-652-HD
1979PontiacAcadian———Standard Duty; Use to depletion, then use PB-652-HD
1978PontiacAcadian———Standard Duty; Use to depletion, then use PB-652-HD
1977PontiacAcadian———Standard Duty; Use to depletion, then use PB-652-HD
1976PontiacAcadian———Standard Duty; Use to depletion, then use PB-652-HD
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Baldwin — B131Dorman - Autograde — 690-056Dorman - HELP — 14647National — PB-652SKF — B652Timken — PB652615-11366501647657483500786B625CP-82003L695N38SN38ST652