HomeDriveline and Axles > Gaskets and Sealing SystemsTimken 8611N Differential Pinion Seal - Front or Rear
Part #: 8611N

Timken 8611N Differential Pinion Seal - Front or Rear

Front
241 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, GMC, Oldsmobile, Isuzu, and Pontiac, Rainier, Blazer, S10, Sonoma, Bravada, Astro, Jimmy, Safari, Hombre, S10 Blazer, Typhoon, S15 Jimmy, S15, El Camino, Caballero, Monza, Vega, Sprint, Astre, Skyhawk, C10, C10 Suburban, G10, K10, K10 Suburban, K5 Blazer, C15, C15 Suburban, G15, K15, K15 Suburban, P15, Starfire, C10 Pickup, G10 Van, K10 Pickup, C15/C1500 Pickup, C15/C1500 Suburban, G15/G1500 Van, K15/K1500 Pickup, K15/K1500 Suburban, P15/P1500 Van, Bel Air, Biscayne, Brookwood, Caprice, Impala, Kingswood, Nova, Townsman, Firebird, Ventura, Camaro, Chevy II, and Malibu
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Reliable Differential Pinion Seal for Select GM and Isuzu Vehicles

The Timken 8611N Differential Pinion Seal is designed to provide a secure and durable seal for driveline components. Engineered for compatibility with various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models, this seal helps maintain optimal differential performance by preventing leaks and contamination.

  • Precision-engineered to fit specific Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models
  • Durable construction to resist wear and maintain sealing integrity
  • Compatible with popular models including Chevrolet Blazer, GMC Jimmy, Pontiac Firebird, and Buick Rainier
  • Part number 8611N ensures exact replacement fit
  • Designed for driveline and axle sealing applications

Product Overview and Compatibility

The Timken 8611N Differential Pinion Seal is a critical component in the driveline and axle system, designed to prevent gear oil leakage from the differential pinion area. This seal is compatible with a range of vehicles such as the Chevrolet Astro, Camaro, and S10, GMC Jimmy and Sonoma, Buick Rainier, Pontiac Firebird, and Isuzu Hombre. By maintaining a tight seal, it helps protect the differential gears and bearings from dirt and moisture, contributing to the longevity and reliability of the vehicle’s driveline.

Common Applications and Problem Resolution

  • Prevents differential oil leaks that can cause driveline damage
  • Eliminates contamination from dirt and debris entering the differential
  • Reduces the risk of premature wear on pinion bearings and gears
  • Helps maintain proper lubrication levels within the differential housing
  • Addresses noise and vibration issues related to seal failure

Installation Notes and Tips

When installing the Timken 8611N Differential Pinion Seal, ensure the differential housing and pinion shaft are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. It is recommended to inspect the pinion bearing and other related components for wear or damage before assembly. Proper lubrication of the seal lips will aid in installation and initial operation.

Quality Assurance and Warranty

Timken manufactures the 8611N Differential Pinion Seal to meet strict quality standards, ensuring reliable performance in demanding automotive applications. While specific warranty details may vary, Timken products typically come with a limited warranty against defects in material and workmanship. Refer to Timken’s official documentation for complete warranty information.

This part fits 241 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2007BuickRainierAWDFront
2006BuickRainierAWDFront
2005BuickRainierAWDFront
2005ChevroletBlazer4WDFront
2004BuickRainierAWDFront
2004ChevroletBlazer4WDFront
2004ChevroletS104WDFront
2004GMCSonoma4WDFront
2004OldsmobileBravadaAWDFront
2003ChevroletBlazer4WDFront
2003ChevroletS104WDFront
2003GMCSonoma4WDFront
2003OldsmobileBravadaAWDFront
2002ChevroletBlazer4WDFront
2002ChevroletS104WDFront
2002GMCSonoma4WDFront
2002OldsmobileBravadaAWDFront
2001ChevroletAstroRWDFront
2001ChevroletAstroAWDFront
2001ChevroletBlazer4WDFront
2001ChevroletBlazerAWDFront
2001ChevroletS104WDFront
2001GMCJimmy4WDFront
2001GMCJimmyAWDFront
2001GMCSafariRWDFront
2001GMCSafariAWDFront
2001GMCSonoma4WDFront
2001OldsmobileBravadaAWDFront
2000ChevroletAstroRWDFront
2000ChevroletAstroAWDFront
2000ChevroletBlazer4WDFront
2000ChevroletBlazerAWDFront
2000ChevroletS104WDFront
2000ChevroletS10FWDFront
2000GMCJimmy4WDFront
2000GMCJimmyAWDFront
2000GMCSafariRWDFront
2000GMCSafariAWDFront
2000GMCSonoma4WDFront
2000IsuzuHombre4WDFrontCompatible with manual transmission, 7.25" ring gear, includes differential pinion seal.
2000OldsmobileBravadaAWDFront
1999ChevroletAstroRWDFront
1999ChevroletAstroAWDFront
1999ChevroletS104WDFront
1999ChevroletS10FWDFront
1999GMCSafariRWDFront
1999GMCSafariAWDFront
1999GMCSonoma4WDFront
1999IsuzuHombre4WDFrontCompatible with manual transmission, 7.25" ring gear, includes differential pinion seal.
1999OldsmobileBravadaAWDFront
1998ChevroletAstroRWDFront
1998ChevroletAstroAWDFront
1998ChevroletS104WDFront
1998ChevroletS10FWDFront
1998GMCSafariRWDFront
1998GMCSafariAWDFront
1998GMCSonoma4WDFront
1998IsuzuHombre4WDFrontCompatible with manual transmission, 7.25" ring gear, includes differential pinion seal.
1998OldsmobileBravadaAWDFront
1997ChevroletAstroRWDFront
1997ChevroletAstroAWDFront
1997ChevroletS104WDFront
1997ChevroletS10FWDFront
1997GMCSafariRWDFront
1997GMCSafariAWDFront
1997GMCSonoma4WDFront
1997OldsmobileBravadaAWDFront
1996ChevroletAstroRWDFront
1996ChevroletAstroAWDFront
1996ChevroletS104WDFront
1996GMCSafariRWDFront
1996GMCSafariAWDFront
1996GMCSonoma4WDFront
1996OldsmobileBravadaAWDFront
1995ChevroletAstroRWDFront
1995ChevroletAstroAWDFront
1995ChevroletS104WDFront
1995GMCSafariRWDFront
1995GMCSafariAWDFront
1995GMCSonoma4WDFront
1994ChevroletAstroRWDFront
1994ChevroletAstroAWDFront
1994ChevroletS104WDFront
1994ChevroletS10 Blazer4WDFront
1994GMCSafariRWDFront
1994GMCSafariAWDFront
1994GMCSonoma4WDFront
1994OldsmobileBravadaAWDFront
1993ChevroletAstroRWDFront
1993ChevroletAstroAWDFront
1993ChevroletS104WDFront
1993ChevroletS10 Blazer4WDFront
1993GMCSafariRWDFront
1993GMCSafariAWDFront
1993GMCSonoma4WDFront
1993OldsmobileBravadaAWDFront
1992ChevroletAstroRWDFront
1992ChevroletAstroAWDFront
1992ChevroletS104WDFront
1992ChevroletS10 Blazer4WDFront
1992GMCSafariRWDFront
1992GMCSafariAWDFront
1992GMCSonoma4WDFront
1992OldsmobileBravadaAWDFront
1991ChevroletAstroRWDFront
1991ChevroletAstroAWDFront
1991ChevroletS104WDFront
1991ChevroletS10 Blazer4WDFront
1991GMCS15 Jimmy4WDFront
1991GMCSafariRWDFront
1991GMCSafariAWDFront
1991GMCSonoma4WDFront
1991OldsmobileBravadaAWDFront
1990ChevroletAstroRWDFront
1990ChevroletAstroAWDFront
1990ChevroletS104WDFront
1990ChevroletS10 Blazer4WDFront
1990GMCS154WDFront
1990GMCS15 Jimmy4WDFront
1990GMCSafariRWDFront
1990GMCSafariAWDFront
1989ChevroletS104WDFront
1989ChevroletS10 Blazer4WDFront
1989GMCS154WDFront
1989GMCS15 Jimmy4WDFront
1988ChevroletS104WDFront
1988ChevroletS10 Blazer4WDFront
1988GMCS154WDFront
1988GMCS15 Jimmy4WDFront
1987ChevroletS104WDFront
1987ChevroletS10 Blazer4WDFront
1987GMCS154WDFront
1987GMCS15 Jimmy4WDFront
1986ChevroletS104WDFront
1986ChevroletS10 Blazer4WDFront
1986GMCS154WDFront
1986GMCS15 Jimmy4WDFront
1985ChevroletS104WDFront
1985ChevroletS10 Blazer4WDFront
1985GMCS154WDFront
1985GMCS15 Jimmy4WDFront
1984ChevroletS104WDFront
1984ChevroletS10 Blazer4WDFront
1984GMCS154WDFront
1984GMCS15 Jimmy4WDFront
1983ChevroletS104WDFront
1983ChevroletS10 Blazer4WDFront
1983GMCS154WDFront
1983GMCS15 Jimmy4WDFront
1979ChevroletEl CaminoRearFits Manual Transmission Differential with 8.88 in. Ring Gear and Pinion Seal
1978ChevroletEl CaminoRearFits Manual Transmission Differential with 8.88 in. Ring Gear and Pinion Seal
1977ChevroletEl CaminoRearFits Manual Transmission Differential with 8.88 in. Ring Gear and Pinion Seal
1977ChevroletMonzaRear6.5 in. Ring Gear - 2.66 in. Seal O.D. - Differential Pinion Race.
1976BuickSkyhawkRear
1976ChevroletEl CaminoRearFits Manual Transmission Differential with 8.88 in. Ring Gear and Pinion Seal
1976ChevroletMonzaRear6.5 in. Ring Gear - 2.66 in. Seal O.D. - Differential Pinion Race.
1975BuickSkyhawkRear
1975ChevroletC10RearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1975ChevroletC10 SuburbanRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1975ChevroletEl CaminoRearFits Manual Transmission Differential with 8.88 in. Ring Gear and Pinion Seal
1975ChevroletG10RearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1975ChevroletK10RearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1975ChevroletK10 SuburbanRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1975ChevroletK5 BlazerRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1975ChevroletMonzaRear6.5 in. Ring Gear - 2.66 in. Seal O.D. - Differential Pinion Race.
1975GMCG15RearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1975GMCJimmyRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1975OldsmobileStarfireRear
1974ChevroletBlazerRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1974ChevroletC10 SuburbanRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1974ChevroletEl CaminoRearFits Manual Transmission Differential with 8.88 in. Ring Gear and Pinion Seal
1974ChevroletK10 SuburbanRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1974GMCG15/G1500 VanRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1974GMCJimmyRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1973ChevroletBlazerRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1973ChevroletC10 SuburbanRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1973ChevroletEl CaminoRearFits Manual Transmission Differential with 8.88 in. Ring Gear and Pinion Seal
1973ChevroletK10 SuburbanRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1973GMCG15/G1500 VanRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1973GMCJimmyRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1972ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1972ChevroletCapriceRear10 Bolt Housing Cover; 1.5 in. I.D.
1972ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1972ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1972ChevroletNovaRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1971ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1971ChevroletCapriceRear10 Bolt Housing Cover; 1.5 in. I.D.
1971ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1971ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1971ChevroletNovaRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1971PontiacFirebirdRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1970ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1970ChevroletCamaroRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1970ChevroletCapriceRear10 Bolt Housing Cover; 1.5 in. I.D.
1970ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1970ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1970ChevroletNovaRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1970PontiacFirebirdRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1969ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1969ChevroletCamaroRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1969ChevroletCapriceRear10 Bolt Housing Cover; 1.5 in. I.D.
1969ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1969ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1968ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1968ChevroletCamaroRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1968ChevroletCapriceRear10 Bolt Housing Cover; 1.5 in. I.D.
1968ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1968ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1967ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1967ChevroletCamaroRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1967ChevroletCapriceRear10 Bolt Housing Cover; 1.5 in. I.D.
1967ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1967ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1967ChevroletMalibuRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1966ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1966ChevroletCapriceRear10 Bolt Housing Cover; 1.5 in. I.D.
1966ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1966ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1966ChevroletMalibuRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1965ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1965ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1965ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1965ChevroletMalibuRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1964ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1964ChevroletEl CaminoRearDifferential Pinion Bearing fitment for 8.13 in. Ring Gear
1964ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1964ChevroletMalibuRearDifferential Pinion Bearing fits 10 Bolt Housing Cover and Differential Pinion Race.
1963ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1963ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1962ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1962ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1961ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1961ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1960ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1960ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1959ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1959ChevroletImpalaRear10 Bolt Housing Cover; 1.5 in. I.D.
1958ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1957ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1956ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.
1955ChevroletBel AirRear10 Bolt Housing Cover; 1.5 in. I.D.

* 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:

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