1981 Buick Century Differentials
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Richmond®Differential Pinion ShaftBuick Century with GM 7.5" Series Axle 1981, Differential Pinion Shaft by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$20.27 - $48.79 - Richmond®Excel™ Rear Differential Bearing KitBuick Century with 10 Bolt, GM 7.5" Series Axle 1981, Excel™ Rear Differential Bearing Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$105.97
- Auburn Gear®Differential Spring Retainer Service KitBuick Century 3.8L / 4.3L with 10 Bolt 1981, Differential Spring Retainer Service Kit by Auburn Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$62.62 - $63.11
- Powertrax®Differential Pinion ShaftBuick Century with Replacement Part for No-Slip Traction System (p# 9207752605, 9207762605, 9207762805, 9207762885) 1981, Differential Pinion Shaft by Powertrax®. These hardened cross shafts are specifically designed for use with your...High quality at an affordable priceExpertly made from premium materials$15.43
- Powertrax®Lock Right Locker DriverBuick Century with Replacement Part for Lock Right Unit (p# 1930-LR, 1931-LR, 1932-LR) 1981, Lock Right Locker Driver by Powertrax®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...High quality at an affordable priceExpertly made from premium materials$83.33
- Powertrax®Lock Right Locker PinBuick Century 1981, Lock Right Locker Pin by Powertrax®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that delivers the...High quality at an affordable priceExpertly made from premium materials$0.94
- Powertrax®Lock Right Locker Spring and Pin KitBuick Century 1981, Lock Right Locker Spring and Pin Kit by Powertrax®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component...High quality at an affordable priceExpertly made from premium materials$13.24
- Powertrax®No-Slip Locker DriverBuick Century with Replacement Part for No Slip Unit (p# 9207752605, 9207762605, 9207762805, 9207762885) 1981, No-Slip Locker Driver by Powertrax®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...High quality at an affordable priceExpertly made from premium materials$127.20
- Powertrax®No-Slip Locker SpringBuick Century 1981, No-Slip Locker Spring by Powertrax®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.18
- AllStar Performance®Differential Pinion NutBuick Century with GM 7.5" Series Axle / with GM 8.5" Series Axle 1981, Differential Pinion Nut by AllStar Performance®. Replace original worn or damaged nuts each time a gear set is changed. Nut secures driveshaft yoke to pinion gear....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.99
- AllStar Performance®Differential Pinion SealBuick Century 1981, Differential Pinion Seal by AllStar Performance®. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and elaborate development, you’ll never run into a better...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.99
- Energy Suspension®Differential Carrier Bushing SetBuick Century 1981, Differential Carrier Bushing Set by Energy Suspension®. Energy Suspension offers replacement mount bushings for engines, transmissions, engine subframes, differentials, transfer cases, as well as bushings and...Replacement mount bushings for engines, transmissions, and transfer case prevents mechanicals from shifting around on broken or weak mounts under accelerationEliminates excess stress on axles, drive shafts, and seals that can cause premature wear and leaks when mechanicals are sitting at improper angles$34.87
- Motive Gear®Differential Crush SleeveBuick Century with Aftermarket Gear Set, 10 Bolt, GM 7.5" Series Axle 1981, Differential Crush Sleeve by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$3.04
- Motive Gear®Differential Lock WasherBuick Century 1981, Differential Lock Washer by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid quality control...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$7.49
- Motive Gear®Differential Pinion Gear Thrust WasherBuick Century 1981, Differential Pinion Gear Thrust Washer by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$9.39
- Motive Gear®Differential Pinion NutBuick Century 1981, Differential Pinion Nut by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that delivers...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$5.92
- Motive Gear®Differential Pinion SealBuick Century with 10 Bolt, GM 7.5" Series Axle 1981, Differential Pinion Seal by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$2.74
- Motive Gear®Differential Pinion Shim PackBuick Century with Chrysler 7.25" Series Axle / with Dana 44 Series Axle / with GM 7.2" Series Axle 1981, Differential Pinion Shim Pack by Motive Gear®. All Motive Gear products are engineered for their specific application and...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$58.89
- Motive Gear®Differential Pinion Solid Spacer KitBuick Century with GM 7.5" Series Axle / with GM 7.625" Series Axle / with GM 8.2" Series Axle 1981, Differential Pinion Solid Spacer Kit by Motive Gear®. With Shims. All Motive Gear products are engineered for their specific...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$36.27
- Motive Gear®Differential Ring Gear BoltBuick Century 1981, Differential Ring Gear Bolt by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$9.18
- Motive Gear®Rear Differential Bearing KitBuick Century with 10 Bolt, GM 7.5" Series Axle 1981, Rear Differential Bearing Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$76.91 - $97.80
- PCE®Differential Pinion NutBuick Century 1981, Differential Pinion Nut by PCE®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that delivers the...High quality at an affordable priceExpertly made from premium materials$15.80
- Richmond®Mini SpoolMini Spool by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$209.25
- Powertrax®Grip Lok Traction SystemGrip Lok Traction System by Powertrax®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...Brute force devices for rugged applicationsReplacement of differential case not required$866.57 - $867.57
- Powertrax®Lock Right LockerLock Right Locker by Powertrax®. With Couplers. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...Brute force devices for rugged applicationsReplacement of differential case not required$431.97
- AFCO®Rear End FillerRear End Filler by AFCO®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent...High quality at an affordable priceExpertly made from premium materials$44.99
- Motive Gear®Performance Ring and Pinion Gear SetPerformance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets are made from first-run steel, Motive Gear never use recycled metal. This...Central contact patternCNC start to finish$388.99
- PCE®Differential Carrier Bearing Retaining NutDifferential Carrier Bearing Retaining Nut by PCE®. PCE solid adjustment nuts keep the carrier bearing from moving out of place under high horsepower applications. This premium product is the best way to go for those looking for the...Created by professionals to meet your requirementsSuperior longevity and dependability$30.00
- PCE®New Edition CTL Modular Differential Housing TubesNew Edition CTL Modular Differential Housing Tubes by PCE®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that delivers...High quality at an affordable priceExpertly made from premium materials$153.20
- Speedmaster®Differential Third Member Storage CaseDifferential Third Member Storage Case by Speedmaster®.Built-in carrying handlesStackable design to save space with multiple differentials$63.50
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