1975 Buick Century Differentials
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Richmond®Excel™ Rear Ring and Pinion Gear SetBuick Century with 10 Bolt, GM 8.5" Series Axle / GM 8.625" Series Axle 1975, Excel™ Rear Ring and Pinion Gear Set by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$234.99 - $269.99 - Motive Gear®Ring and Pinion Gear SetBuick Century with 2.73 and Up Gear Ratio, 10 Bolt, GM 8.5" Series Axle / GM 8.625" Series Axle 1975, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE....Quiet operationComputer controlled heat treatment$339.99 - $429.99
- Auburn Gear®Grip-N-Loc™ Rear DifferentialBuick Century with 2.73 and Up Gear Ratio, GM 8.5" Series Axle 1975, Grip-N-Loc™ Rear Differential by Auburn Gear®. Auburn Gear’s most advanced limited slip differential, the Grip-N-Loc™, builds upon exclusive technologies found...Upgrades vehicles for safe transfer of increased power/torque across the axleCase material is up to 50% stronger than OE cases$624.17
- Dorman®OE Solutions™ Rear Differential Ring and PinionBuick Century with 8.5" Ring Gear 1975, OE Solutions™ Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the axles....Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit$221.76 - $267.21
- Richmond®Mini SpoolBuick Century with 28 Spline, Open Differential, 10 Bolt, GM 8.5" Series Axle 1975, Mini Spool by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$106.41
- Richmond®Excel™ Front Mini SpoolBuick Century with GM 8.5" Series Axle 1975, Excel™ Front Mini Spool by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$88.94
- Richmond®Street Gear Ring and Pinion Gear SetBuick Century with 10 Bolt, GM 8.5" Series Axle / GM 8.625" Series Axle 1975, Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$360.89 - $529.99
- AllStar Performance®Mini SpoolBuick Century 1975, Mini Spool 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 performance...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$99.99
- AllStar Performance®Ring and Pinion Gear SetBuick Century with 10 Bolt, GM 8.5" Series Axle 1975, Ring and Pinion Gear Set by AllStar Performance®. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and elaborate development,...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$169.99
- Eaton®Detroit Truetrac™ Rear DifferentialBuick Century with 10 Bolt, 1.16" Axle Shaft Diameter, GM 7.5" Series Axle 1975, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and...Helical-style pinion gearsLimited-slip operation$587.99
- Eaton®Posi™ Rear DifferentialBuick Century with 10 Bolt 1975, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central spring assembly,...Superior rebuildable designRace-bred carbon friction discs$605.99 - $689.99
- Motive Gear®A-Line Ring and Pinion Gear SetBuick Century with 2.73 and Up Gear Ratio, 10 Bolt, GM 8.5" Series Axle / GM 8.625" Series Axle 1975, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE....Quiet operationComputer controlled heat treatment$206.95 - $226.80
- Motive Gear®Performance Ring and Pinion Gear SetBuick Century with 2.73 and Up Gear Ratio, 10 Bolt, GM 8.5" Series Axle / GM 8.625" Series Axle 1975, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or...Central contact patternCNC start to finish$364.99 - $514.99
- Motive Gear®Performance Ring and Pinion Gear SetBuick Century with 2.73 and Up Gear Ratio with 10 Bolt with GM 8.5" Series Axle / with GM 8.625" Series Axle 1975, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated...Central contact patternCNC start to finish$328.67 - $514.99
- Motive Gear®SpoolBuick Century with 10 Bolt, GM 8.5" Series Axle 1975, Spool 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$182.36 - $187.51
- Timken®Rear Differential Bearing and Seal KitBuick Century with 8.5" Ring Gear 1975, Rear Differential Bearing and Seal Kit by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller...Designed to effectively reduce frictionUltimate load handling capability$74.79 - $134.23
- Timken®Rear Differential RaceBuick Century 1975, Rear Differential Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for a highly durable part...OE quality fit, performance, and reliabilityCost-effective friction management solution$6.68 - $8.77
- SKF®Rear Differential Pinion SealBuick Century 1975, Rear Differential Pinion Seal by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Superior protection against dirt and waterManufactured with high-quality tested design and materials for correct fit$8.03
- Timken®Rear Differential Pinion SealBuick Century 1975, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids,...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$8.43
- SKF®Rear Differential Rebuild KitBuick Century with 8.5" Ring Gear 1975, Rear Differential Rebuild Kit by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. Perfect for your vehicle and...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$115.92 - $143.34
- National®Rear Outer Differential Pinion SealBuick Century with 8.5" Ring Gear / 8.875" Ring Gear, GMC Series Axle 1975, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$7.21
- ACDelco®Gold™ Differential Carrier BearingBuick Century 1975, Gold™ Differential Carrier Bearing by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$19.48
- Dorman®OE Solutions™ Rear Differential Bearing KitBuick Century with 8.50" Ring Gear 1975, OE Solutions™ Rear Differential Bearing Kit by Dorman®. Do you hear a humming or growling sound as you drive, or a clicking or clunking noise when cornering? If so, your vehicle may need wheel...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$161.60
- Dorman®OE Solutions™ Rear Ring and Pinion Bearing Installation Kit with Marking CompoundBuick Century with 8.5" Ring Gear 1975, OE Solutions™ Rear Ring and Pinion Bearing Installation Kit With Marking Compound by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary components for installation...Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service$144.67
- Timken®Rear Differential BearingBuick Century 1975, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design,...Designed to effectively reduce frictionUltimate load handling capability$12.31 - $19.47
- Timken®Rear Inner Differential Pinion BearingBuick Century with 8.875" Ring Gear / with 9.375" Ring Gear 1975, Rear Inner Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings,...Designed to effectively reduce frictionUltimate load handling capability$26.33
- Timken®Rear Inner Differential Pinion RaceBuick Century with 8.875" Ring Gear / with 9.375" Ring Gear 1975, Rear Inner Differential Pinion Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race...OE quality fit, performance, and reliabilityCost-effective friction management solution$19.07
- SKF®Rear Differential Pinion BearingBuick Century 1975, Rear Differential Pinion Bearing by SKF®. 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...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$11.92 - $16.32
- SKF®Rear Differential Pinion RaceBuick Century 1975, Rear Differential Pinion Race by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$6.83 - $8.84
- National®Rear Differential BearingBuick Century with GMC Series Axle 1975, Rear Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$12.45 - $18.40
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