1981 Buick Century Differentials
- DT Components®Rear Differential Pinion BearingBuick Century with 7.5" Ring Gear 1981, Rear Differential Pinion Bearing by DT Components®. Designed utilizing the latest technology, this product by DT Components features premium quality and will perform better than advertised....Expertly crafted from premium materialsDesigned to match rigorous quality standards$29.15 - $30.54
- NTN®Rear Differential BearingBuick Century 1981, Rear Differential Bearing by NTN®. When it comes to a top-notch replacement for your worn out factory part, this OE-quality differential component is right what the doctor ordered if you need to restore and maintain...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$12.23
- AllStar Performance®Ring and Pinion Installation Bearing KitBuick Century 1981, Ring and Pinion Installation Bearing Kit 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...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$109.99
- AllStar Performance®Ring and Pinion Installation Shim KitBuick Century with 10 Bolt, GM 7.5" Series Axle 1981, Ring and Pinion Installation Shim Kit by AllStar Performance®. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and elaborate...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$43.99
- Motive Gear®Differential Gear Installation KitBuick Century 1981, Differential Gear Installation 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 products undergo rigid...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$110.97 - $233.31
- Motive Gear®Rear Differential Carrier Gear KitBuick Century 1981, Rear Differential Carrier Gear Kit 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...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$137.58 - $166.01
- Motive Gear®Rear Differential Master Bearing KitBuick Century with 10 Bolt, GM 7.5" Series Axle 1981, Rear Differential Master 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...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$118.76 - $123.83
- Ratech®Complete Series™ Differential KitBuick Century with GM Series Axle 1981, Complete Series™ Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$95.64 - $104.10
- Ratech®Deluxe Series Differential KitBuick Century with 8.5" Ring Gear, GM Series Axle 1981, Deluxe Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$148.86
- Richmond®Excel™ Rear Differential Pinion ShaftBuick Century with GM 7.5" Series Axle 1981, Excel™ Rear Differential Pinion Shaft by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.50
- Dorman®Help™ Differential Crush SleevesBuick Century with 7.5" Ring Gear / with 7.625" Ring Gear 1981, Help™ Differential Crush Sleeves by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain...Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles$5.47
- Dorman®Help™ Rear Differential Pinion Shaft Lock BoltBuick Century with 7.5" Ring Gear and without Limited Slip Differential 1981, Help™ Rear Differential Pinion Shaft Lock Bolt by Dorman®. This differential pinion shaft lock bolt is designed to match the fit and function of the...Direct replacement - this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue$2.48
- Spicer®Differential Pinion SealBuick Century 1981, Differential Pinion Seal by Spicer®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$8.65
- Richmond®Differential Bearing KitBuick Century with GM 7.5" Series Axle / with GM 7.625" Series Axle 1981, Differential Bearing Kit by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$172.49
- AllStar Performance®Differential Cross PinBuick Century 1981, Differential Cross Pin 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$29.99
- AllStar Performance®Ring Gear SpacerBuick Century with GM 7.5" Series Axle 1981, Ring Gear Spacer by AllStar Performance®. With GM 7.5" Series Axle. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and elaborate...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$45.99
- Motive Gear®Differential Carrier Shim KitBuick Century 1981, Differential Carrier Shim 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 products undergo rigid quality...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$24.66 - $49.04
- Motive Gear®Differential Ring Gear Spacer with BoltsBuick Century with 10 Bolt, GM 7.5" Series Axle 1981, Differential Ring Gear Spacer with Bolts by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...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$51.57
- Ratech®Differential Bearing SpacerBuick Century with GM Series Axle 1981, Differential Bearing Spacer by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$17.11 - $18.27
- Ratech®Differential Crush SleeveBuick Century with GM Series Axle 1981, Differential Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$4.70 - $13.73
- Ratech®Differential Pinion NutBuick Century with 7.5" Ring Gear, GM Series Axle 1981, Differential Pinion Nut by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$4.14
- Ratech®Ring Gear Bolt SetBuick Century with 7.5" Ring Gear / 8.5" Ring Gear, GM Series Axle 1981, Ring Gear Bolt Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$20.74
- Yukon Gear & Axle®Zip Locker Air CompressorZip Locker Air Compressor by Yukon Gear & Axle®. Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and...Expertly crafted from premium materialsDesigned to match rigorous quality standards$255.89
- Richmond®Street Gear Ring and Pinion Gear SetStreet Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material, Richmond ring and pinions handle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$385.99
- AllStar Performance®SpoolSpool by AllStar Performance®. Replace a troublesome positive traction unit with a high quality Allstar spool. Substantially lighter than conventional carriers, spools deliver equal power to both rear wheels. Ultra-lite steel spools...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$289.99 - $299.99
- Yukon Gear & Axle®Ring Gear BoltRing Gear Bolt by Yukon Gear & Axle®. Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much...Expertly crafted from premium materialsDesigned to match rigorous quality standards$8.89
- Yukon Gear & Axle®Ring Gear Bolt Spacer SleeveRing Gear Bolt Spacer Sleeve by Yukon Gear & Axle®. 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...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$8.89 - $9.89
- Yukon Gear & Axle®Zip Locker Bulkhead Fitting O-RingZip Locker Bulkhead Fitting O-Ring by Yukon Gear & Axle®. The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the...Air operated locker provides on-demand tractionForged case & 4320 internals for added strength$12.89
- ARB®Air Locker SolenoidAir Locker Solenoid by ARB®. This heavy-duty and impact-resistant product is meant to make the adventures in your 4×4 a safer, funnier, and more memorable experience. Developed with quality as paramount importance, it meets the highest...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$90.00
- ARB®Air Locker Switch BracketAir Locker Switch Bracket by ARB®. In the toughest terrain, ARB Air Lockers give you the traction you need, precisely when you need it, and all at the flick of a switch. Designed utilizing the latest technology, this product by ARB...Provides 100% traction on demand without affecting on road drivability or driveline wearVastly improved traction means less reliance on momentum, which reduces the likelihood of vehicle damage and environmental impact$7.84 - $12.77
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