Shop By Product Matching "Eaton"

Choose a Model for your 1981 Buick

Century Electra Estate Wagon LeSabre Regal Riviera Skylark

Showing 1 - 3 of 3 products

Sort:

Show:

Image

SKU

Product

Rating

Price

1981 Buick Century Differential - Rear 8 Cyl 4.4L Eaton

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]
Detroit Truetrac® Differential; 28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear; 8.5 in.;
Detroit Truetrac® Differential
Features:
- Helical Gear Limited Slip Differential
- Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
- Automatic Engagement
- Works In Forward And Reverse
- Ideal For Most Vehicles
- Durable
- Smooth
- Quiet Operation
- No Special Lubrication Or Friction Modifiers Needed
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1981 - Buick Century	V	-	Rear	8 Cyl 4.4L	267

2 In Stock

Limited-Time Offer

$1,196.86 USD

$1,436.23 USD

1981 Buick LeSabre Differential - Rear 6 Cyl 3.8L Eaton

28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in. For Axles w/Small bearing Bores Race O.D. 2.89 in. LM102949/LM102911 Req.~Axles w/Large Bearing Bores Race O.D. 3.06 in. LM603049/LM603012 Req.
Detroit Truetrac® Differential; 28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear; 8.5 in.;
Detroit Truetrac® Differential
Features:
- Helical Gear Limited Slip Differential
- Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
- Automatic Engagement
- Works In Forward And Reverse
- Ideal For Most Vehicles
- Durable
- Smooth
- Quiet Operation
- No Special Lubrication Or Friction Modifiers Needed
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1981 - Buick LeSabre	V	3800	Rear	6 Cyl 3.8L	231

2 In Stock

Limited-Time Offer

$1,196.86 USD

$1,436.23 USD

1981 Buick Regal Differential - Rear 6 Cyl 3.8L Eaton

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in./8.6 in. For Axles w/Small bearing Bores Race O.D. 2.89 in. LM102949/LM102911 Req.~Axles w/Large Bearing Bores Race O.D. 3.06 in. LM603049/LM603012 Req.
Detroit Truetrac® Differential; 30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in./8.6 in.;
Detroit Truetrac® Differential
Features:
- Helical Gear Limited Slip Differential
- Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
- Automatic Engagement
- Works In Forward And Reverse
- Ideal For Most Vehicles
- Durable
- Smooth
- Quiet Operation
- No Special Lubrication Or Friction Modifiers Needed
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.