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Buick Regal Differential Replacement

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  1. ✓ In Stock 1988-2002 Buick Regal Differential - Rear (Eaton)

    1988-2002 Buick Regal Differential - Rear (Eaton)

    Partslink #: 912A317

    28 Spline; 1.20 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; 7.5 in./7.625 in.

    $642.99 View part →
  2. ✓ In Stock 1975-1989 Buick Regal Differential - Rear (Eaton)

    1975-1989 Buick Regal Differential - Rear (Eaton)

    Partslink #: 911A319

    26 Spline; 1.16 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; GM 7.5 in.

    $653.99 View part →
  3. ✓ In Stock 1975-1989 Buick Regal Differential - Rear (Eaton)

    1975-1989 Buick Regal Differential - Rear (Eaton)

    Partslink #: 911A415

    26 Spline; 1.16 in. Axle Shaft Diameter; 3.08 And Down Ring Gear Pinion Ratio; 7.5 in.

    $659.99 View part →
  4. ✓ In Stock 1973-1996 Buick Regal Differential - Rear (Eaton)

    1973-1996 Buick Regal Differential - Rear (Eaton)

    Partslink #: 913A481

    30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

    $659.99 View part →
  5. ✓ In Stock 1975-1989 Buick Regal Differential - Rear (Eaton)

    1975-1989 Buick Regal Differential - Rear (Eaton)

    Partslink #: 19663-010

    26 Spline; 1.16 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; 7.5 in.

    $696.99 View part →
  6. ✓ In Stock 1973-1989 Buick Regal Differential - Rear (Eaton)

    1973-1989 Buick Regal Differential - Rear (Eaton)

    Partslink #: 912A556

    28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

    $696.99 View part →
  7. ✓ In Stock 1973-1996 Buick Regal Differential - Rear (Eaton)

    1973-1996 Buick Regal Differential - Rear (Eaton)

    Partslink #: 19559-010

    30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Rng Gear Pin. Rat;Manual Locking Hubs Are Recomnd For Some Appl.; 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

    $750.99 View part →
  8. ✓ In Stock 1973-1989 Buick Regal Differential - Rear (Eaton)

    1973-1989 Buick Regal Differential - Rear (Eaton)

    Partslink #: 19557-010

    28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Rng Gear Pin Rat; Manual Locking Hubs Are Recomded For Some Application; 8.5 in. Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

    $750.99 View part →
  9. ✓ In Stock 1988-2002 Buick Regal Differential - Rear (Eaton)

    1988-2002 Buick Regal Differential - Rear (Eaton)

    Partslink #: 19599-010

    28 Spline; 1.20 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; Rear 7.5 in./7.625 in./8.5 in./8.6 in.; Rear 9.5 in.

    $777.99 View part →
  10. ✓ In Stock 2004 Buick Regal Differential - Rear (Eaton)

    2004 Buick Regal Differential - Rear (Eaton)

    Partslink #: 912A642

    28 Spline; Rear 7.75 in.; All Ratios

    $814.99 View part →
  11. ✓ In Stock 1978-1983 Buick Regal Differential - Rear (Yukon Gear)

    1978-1983 Buick Regal Differential - Rear (Yukon Gear)

    Partslink #: YDGGM7.5-3-26-SM

    26 Spline GM 7.5 in.; 26 Spline~Yukon Dura Grip Positraction; GM 7.5 in. Rear; 3.23 & Up Ratios; 26 Spline

    $846.89 View part →
  12. ✓ In Stock 1973-1987 Buick Regal Differential - Front or Rear (Yukon Gear)

    1973-1987 Buick Regal Differential - Front or Rear (Yukon Gear)

    Partslink #: YDGGM8.5-3-30-1

    8.6 in. 10 Bolt; 30 Spline; 2.73 And Up GM 8.5 in.; 30 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal

    $908.89 View part →
  13. ✓ In Stock 1973-1987 Buick Regal Differential - Front or Rear (Yukon Gear)

    1973-1987 Buick Regal Differential - Front or Rear (Yukon Gear)

    Partslink #: YDGGM8.5-3-28-1

    28 Spline; 2.73 And Up GM 8.5 in.; 28 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 28 Spline; 2.73 And Up; 1.781 in. Bearing Journal

    $908.89 View part →
  14. ✓ In Stock 1978-1981 Buick Regal Differential - Front or Rear (Yukon Gear)

    1978-1981 Buick Regal Differential - Front or Rear (Yukon Gear)

    Partslink #: YDGGM7.5-3-28-SM

    7.625 in. 10 Bolt; 28 Spline GM 7.5 in.; 28 Spline~Yukon Dura Grip Positraction; GM 7.5 in. & 7.625 in. Rear; 3.23 & Up Ratios; 28 Spline

    $910.89 View part →
  15. ✓ In Stock 1975-1989 Buick Regal Differential - Rear (Eaton)

    1975-1989 Buick Regal Differential - Rear (Eaton)

    Partslink #: 162C58A

    26 Spline; 1.16 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; 7.5 in.

    $1,071.99 View part →
  16. ✓ In Stock 1973-1996 Buick Regal Differential - Rear (Eaton)

    1973-1996 Buick Regal Differential - Rear (Eaton)

    Partslink #: 187C148A

    30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in.; Rear 8.6 in. Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

    $1,099.99 View part →
  17. ✓ In Stock 1973-1987 Buick Regal Differential - Front or Rear (Yukon Gear)

    1973-1987 Buick Regal Differential - Front or Rear (Yukon Gear)

    Partslink #: YGLGM8.5-3-30

    2.73 Gear Ratio And Up GM 8.5 in.; 2.73 Gear Ratio And Up~GM 8.5 in.; Yukon Grizzly Locker; 2.73 Gear Ratio And Up; 1.78 in. Bearing Journals; Uses LM102949/ LM102911 Carrier Bearings

    $1,133.89 View part →
  18. ✓ In Stock 1973-1989 Buick Regal Differential - Rear (Eaton)

    1973-1989 Buick Regal Differential - Rear (Eaton)

    Partslink #: 187C149A

    28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in.

    $1,146.99 View part →
  19. ✓ In Stock 1973-1996 Buick Regal Differential - Rear (Eaton)

    1973-1996 Buick Regal Differential - Rear (Eaton)

    Partslink #: 19659-010

    30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

    $1,574.99 View part →
  20. ✓ In Stock 1973-1987 Buick Regal Differential - Front or Rear (Auburn Gear)

    1973-1987 Buick Regal Differential - Front or Rear (Auburn Gear)

    Partslink #: 545003

    Selectable Full Locker w/Limited Slip; For Use w/2.73-Up Ratio; 28 Spline 8.5 in. (10 Bolt)

    $1,705.85 View part →

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Differential Compatibility for Buick Regal

Browse our selection of quality differential parts designed specifically for your Buick Regal. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

25th Anniversary Edition · Base · Custom · Estate Wagon · GNX · GS · GSE · Gran Sport · Grand National · LS · LSE · Limited · Limited Turbo · Olympic Gold Edition · SR · Sport · T-Type

Body Types

Coupe · Sedan · Wagon

Engine Options

V6 2.8L · V6 3.1L · V6 3.2L · V6 3.8L · V6 4.1L · V6 4.3L · V8 4.3L · V8 4.4L · V8 4.9L · V8 5.0L · V8 5.7L · V8 7.5L

Transmissions

Automatic · Manual · U/K

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