1977 Buick Estate Differentials
- Richmond®Excel™ Rear Ring and Pinion Gear SetBuick Estate with 10 Bolt 1977, Excel™ Rear Ring and Pinion Gear Set 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$218.99 - $269.99
- Motive Gear®Ring and Pinion Gear SetBuick Estate 1977, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy setup, superior strength, quality,...Quiet operationComputer controlled heat treatment$195.87 - $434.99
- Auburn Gear®Grip-N-Loc™ Rear DifferentialBuick Estate 1977, 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 in the previous limited slip line, but is...Upgrades vehicles for safe transfer of increased power/torque across the axleCase material is up to 50% stronger than OE cases$611.95 - $655.37
- Dorman®OE Solutions™ Rear Differential Ring and PinionBuick Estate with 8.5" Ring Gear 1977, 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 Estate 1977, 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 this premium differential component that delivers the ultimate in...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$88.94 - $106.41
- Richmond®Street Gear Ring and Pinion Gear SetBuick Estate with 10 Bolt 1977, 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 from first-run steel, never recycled material,...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$305.99 - $529.99
- AllStar Performance®Mini SpoolBuick Estate with GM 7.5" Series Axle 1977, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$93.99
- AllStar Performance®Ring and Pinion Gear SetBuick Estate with 10 Bolt 1977, 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, you’ll never run into a...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$169.99
- Eaton®Detroit Truetrac™ Rear DifferentialBuick Estate with 10 Bolt 1977, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics....Helical-style pinion gearsLimited-slip operation$587.99 - $634.99
- Eaton®Posi™ Rear DifferentialBuick Estate with 2.73 and Up Gear Ratio, 10 Bolt, 1.20" Axle Shaft Diameter, Manual Locking Hubs, GM 8.5" Series Axle 1977, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents wheel slip before it can...Superior rebuildable designRace-bred carbon friction discs$689.99
- Motive Gear®A-Line Ring and Pinion Gear SetBuick Estate with 10 Bolt 1977, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy setup, superior...Quiet operationComputer controlled heat treatment$192.44 - $226.80
- Motive Gear®Performance Ring and Pinion Gear SetBuick Estate with 10 Bolt 1977, Performance 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...Central contact patternCNC start to finish$364.99 - $515.99
- Motive Gear®Performance Ring and Pinion Gear SetBuick Estate with 10 Bolt 1977, Performance 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...Central contact patternCNC start to finish$328.67 - $515.99
- Motive Gear®Rear Mini SpoolBuick Estate with 28 Spline, Open Differential, 10 Bolt, GM 7.5" Series Axle 1977, Rear Mini Spool by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$97.42
- Motive Gear®SpoolBuick Estate with 10 Bolt, GM 8.5" Series Axle 1977, 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 Estate 1977, 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 bearings, and all feature...Designed to effectively reduce frictionUltimate load handling capability$75.33 - $135.14
- SKF®Rear Differential Pinion BearingBuick Estate 1977, 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$11.68 - $16.32
- SKF®Rear Differential Pinion SealBuick Estate 1977, 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$7.91 - $18.07
- Timken®Rear Differential Pinion SealBuick Estate 1977, 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$8.50
- Timken®Rear Differential RaceBuick Estate 1977, 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$6.82 - $8.87
- SKF®Rear Differential Rebuild KitBuick Estate with 8.5" Ring Gear 1977, 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 Estate with 8.875" Ring Gear, GMC Series Axle 1977, 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 technology and...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 Bearing with RaceBuick Estate with 8.875" Ring Gear 1977, Gold™ Differential Carrier Bearing With Race by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$22.89Save: $3.44 (15%)$19.45
- Dorman®OE Solutions™ Rear Differential Bearing KitBuick Estate with 8.50" Ring Gear 1977, 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 Estate with 8.5" Ring Gear 1977, 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 Estate 1977, 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$13.95 - $19.64
- SKF®Rear Differential Pinion RaceBuick Estate 1977, 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$6.11 - $8.84
- SKF®Rear Tapered Roller Differential Bearing RaceBuick Estate with 8.5'' Ring Gear 1977, Rear Tapered Roller Differential Bearing Race by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. Perfect for...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$6.72
- National®Rear Differential Bearing with Cup and ConeBuick Estate with 8.875" Ring Gear, GMC Series Axle 1977, Rear Differential Bearing Set With Cup and Cone by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$18.40
- National®Rear Inner Differential Pinion BearingBuick Estate with 8.875" Ring Gear, GMC Series Axle 1977, Rear Inner Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$17.47
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