Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.

Buick Century Differential Replacement

1
SELECT Year
  1. ✓ In Stock 1988-2002 Buick Century Differential - Rear (Eaton)

    1988-2002 Buick Century 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 Century Differential - Rear (Eaton)

    1975-1989 Buick Century 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 Century Differential - Rear (Eaton)

    1975-1989 Buick Century 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 1988-1996 Buick Century Differential - Rear (Eaton)

    1988-1996 Buick Century 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 1973-1989 Buick Century Differential - Rear (Eaton)

    1973-1989 Buick Century 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 →
  6. ✓ In Stock 1975-1989 Buick Century Differential - Rear (Eaton)

    1975-1989 Buick Century 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 →
  7. ✓ In Stock 1973-1989 Buick Century Differential - Rear (Eaton)

    1973-1989 Buick Century 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 →
  8. ✓ In Stock 1988-1996 Buick Century Differential - Rear (Eaton)

    1988-1996 Buick Century 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 →
  9. ✓ In Stock 1955-1958 Buick Century Differential - Rear (Eaton)

    1955-1958 Buick Century Differential - Rear (Eaton)

    Partslink #: 19686-010

    17 Spline; 1.197 in. Axle Shaft Diameter; 3.90 And Down Ring Gear Pinion Ratio; Rear 8.2 in. Factory Open Requires Housing Modification For Installation

    $775.99 View part →
  10. ✓ In Stock 1988-2002 Buick Century Differential - Rear (Eaton)

    1988-2002 Buick Century 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 →
  11. ✓ In Stock 2004-2005 Buick Century Differential - Rear (Eaton)

    2004-2005 Buick Century Differential - Rear (Eaton)

    Partslink #: 912A642

    28 Spline; Rear 7.75 in.; All Ratios

    $814.99 View part →
  12. ✓ In Stock 1975-1989 Buick Century Differential - Rear (Eaton)

    1975-1989 Buick Century 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 →
  13. ✓ In Stock 1988-1996 Buick Century Differential - Rear (Eaton)

    1988-1996 Buick Century 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 →
  14. ✓ In Stock 1973-1989 Buick Century Differential - Rear (Eaton)

    1973-1989 Buick Century 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 →
  15. ✓ In Stock 1988-1996 Buick Century Differential - Rear (Eaton)

    1988-1996 Buick Century 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 →
  16. ✓ In Stock 1973-1981 Buick Century Differential - Front or Rear (Auburn Gear)

    1973-1981 Buick Century 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 →

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

Differential Compatibility for Buick Century

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

Available Trims

Base · Custom · Estate · Estate Wagon · Indianapolis 500 Pace Car · Limited · Luxus · Olympia Limited · SS · Special · Special Edition · Sport · T-Type

Body Types

Convertible · Coupe · Sedan · Wagon

Engine Options

L4 2.2L · L4 2.5L · V6 2.8L · V6 3.0L · V6 3.1L · V6 3.2L · V6 3.3L · V6 3.8L · V6 4.3L · V8 4.3L · V8 4.4L · V8 4.9L · V8 5.0L · V8 5.3L · V8 5.7L · V8 6.0L · V8 6.6L · V8 7.5L

Transmissions

Automatic · Manual · U/K

Added to cart · Part