1985 Oldsmobile Eighty-Eight Differentials
- Richmond®Excel™ Rear Ring and Pinion Gear SetOldsmobile Eighty-Eight with 10 Bolt 1985, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$218.99 - $269.99
- Motive Gear®Ring and Pinion Gear SetOldsmobile Eighty-Eight 1985, 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,...Quiet operationComputer controlled heat treatment$195.87 - $434.99
- Auburn Gear®Grip-N-Loc™ Rear DifferentialOldsmobile Eighty-Eight 1985, 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...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
- ACDelco®Genuine GM Parts™ Ring and Pinion Gear SetOldsmobile Eighty-Eight with 8.5" Ring Gear, 3.08 Ratio 1985, Genuine GM Parts™ Ring and Pinion Gear Set by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$521.71Save: $78.25 (15%)$443.46
- Dorman®OE Solutions™ Rear Differential Ring and PinionOldsmobile Eighty-Eight 1985, 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. It's robust...Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit$95.09 - $267.21
- Richmond®Mini SpoolOldsmobile Eighty-Eight 1985, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$88.94 - $106.41
- Richmond®Street Gear Ring and Pinion Gear SetOldsmobile Eighty-Eight with 10 Bolt 1985, 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...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$305.99 - $529.99
- AllStar Performance®Mini SpoolOldsmobile Eighty-Eight with GM 7.5" Series Axle 1985, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$93.99
- AllStar Performance®Ring and Pinion Gear SetOldsmobile Eighty-Eight with 10 Bolt 1985, 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...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$169.99
- Eaton®Detroit Truetrac™ Rear DifferentialOldsmobile Eighty-Eight with 10 Bolt 1985, 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...Helical-style pinion gearsLimited-slip operation$587.99 - $634.99
- Eaton®Posi™ Rear DifferentialOldsmobile Eighty-Eight with 3.23 and Up Gear Ratio, 10 Bolt, 1.16" Axle Shaft Diameter, GM 7.5" Series Axle 1985, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents wheel slip before it can get...Superior rebuildable designRace-bred carbon friction discs$605.99
- Motive Gear®A-Line Ring and Pinion Gear SetOldsmobile Eighty-Eight with 10 Bolt 1985, 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,...Quiet operationComputer controlled heat treatment$192.44 - $226.80
- Motive Gear®Performance Ring and Pinion Gear SetOldsmobile Eighty-Eight with 10 Bolt 1985, 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,...Central contact patternCNC start to finish$291.99 - $515.99
- Motive Gear®Performance Ring and Pinion Gear SetOldsmobile Eighty-Eight with 10 Bolt 1985, 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,...Central contact patternCNC start to finish$291.99 - $515.99
- Motive Gear®Rear Mini SpoolOldsmobile Eighty-Eight with Open Differential, 10 Bolt, GM 7.5" Series Axle 1985, 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$83.40 - $97.42
- Motive Gear®SpoolOldsmobile Eighty-Eight with 10 Bolt, GM 8.5" Series Axle 1985, 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...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 KitOldsmobile Eighty-Eight 1985, 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...Designed to effectively reduce frictionUltimate load handling capability$75.33 - $135.14
- ACDelco®Genuine GM Parts™ 2 Piece Differential Pinion Seal with Triple-LipOldsmobile Eighty-Eight 1985, Genuine GM Parts™ 2 Piece Differential Pinion Seal With Triple-Lip by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.63Save: $5.80 (15%)$32.83
- ACDelco®Genuine GM Parts™ Differential Carrier Bearing Shim KitOldsmobile Eighty-Eight with 7.5" Ring Gear / with 8.5" Ring Gear 1985, Genuine GM Parts™ Differential Carrier Bearing Shim Kit by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$33.58Save: $5.02 (15%)$28.56
- ACDelco®Genuine GM Parts™ Differential SealOldsmobile Eighty-Eight 1985, Genuine GM Parts™ Multi Purpose Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.07Save: $2.59 (15%)$14.48
- Timken®Rear Differential RaceOldsmobile Eighty-Eight 1985, 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...OE quality fit, performance, and reliabilityCost-effective friction management solution$6.82 - $9.92
- SKF®Rear Differential Pinion BearingOldsmobile Eighty-Eight 1985, 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...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$11.68 - $16.32
- SKF®Rear Differential Pinion SealOldsmobile Eighty-Eight 1985, 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,...Superior protection against dirt and waterManufactured with high-quality tested design and materials for correct fit$7.91 - $14.11
- Richmond®Excel™ Differential Carrier Gear KitOldsmobile Eighty-Eight with 10 Bolt 1985, Excel™ Differential Carrier Gear Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$116.81 - $149.32
- National®Rear Outer Differential Pinion SealOldsmobile Eighty-Eight with GMC Series Axle 1985, 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 with...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 - $13.71
- ACDelco®Genuine GM Parts™ Front Differential Carrier Bearing with Cup and ConeOldsmobile Eighty-Eight with 7.5" Ring Gear / with 8.5" Ring Gear 1985, Genuine GM Parts™ Front Differential Carrier Bearing and Race Set With Cup and Cone by ACDelco®. Designed utilizing the latest technology, this product by ACDelco...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$50.39Save: $7.56 (15%)$42.83
- Timken®Rear Differential BearingOldsmobile Eighty-Eight 1985, 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...Designed to effectively reduce frictionUltimate load handling capability$12.53 - $19.64
- Timken®Rear Differential Pinion SealOldsmobile Eighty-Eight 1985, 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...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 - $13.62
- SKF®Rear Differential Rebuild KitOldsmobile Eighty-Eight with 7.5" Ring Gear 1985, 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...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$129.00 - $165.35
- National®Rear Differential BearingOldsmobile Eighty-Eight with 7.5" Ring Gear / 8.5" Ring Gear, GMC Series Axle 1985, Rear Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$12.45
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