1975 Oldsmobile Ninety-Eight Differentials
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Richmond®Excel™ Rear Ring and Pinion Gear SetOldsmobile Ninety-Eight 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$234.99 - $269.99 - Motive Gear®Ring and Pinion Gear SetOldsmobile Ninety-Eight 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 DifferentialOldsmobile Ninety-Eight 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...Upgrades vehicles for safe transfer of increased power/torque across the axleCase material is up to 50% stronger than OE cases$655.37
- Dorman®OE Solutions™ Rear Differential Ring and PinionOldsmobile Ninety-Eight 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...Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit$183.46 - $275.83
- Eaton®Detroit Truetrac™ Rear DifferentialOldsmobile Ninety-Eight with 2.73 and Up Gear Ratio, 10 Bolt, 1.20" Axle Shaft Diameter, GM 8.5" Series Axle 1975, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style performance differential...Helical-style pinion gearsLimited-slip operation$634.99
- Dorman®OE Solutions™ Rear Differential Positive Unit AssemblyOldsmobile Ninety-Eight 1975, OE Solutions™ Rear Differential Positive Unit Assembly by Dorman®. Hard use and poor lubrication can wear out a differential. Restore original performance with this replacement differential carrier...Direct replacement - this differential carrier fits in place of this vehicle's original equipment carrier100% new - this differential carrier uses all-new components$674.49
- Richmond®Excel™ Front Mini SpoolOldsmobile Ninety-Eight 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$88.94
- Richmond®Mini SpoolOldsmobile Ninety-Eight 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...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$106.41
- Richmond®Street Gear Ring and Pinion Gear SetOldsmobile Ninety-Eight 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...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$360.89 - $529.99
- Eaton®Posi™ Rear DifferentialOldsmobile Ninety-Eight with 2.73 and Up Gear Ratio, 10 Bolt, 1.20" Axle Shaft Diameter, Manual Locking Hubs, GM 8.5" Series Axle 1975, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents wheel slip...Superior rebuildable designRace-bred carbon friction discs$689.99
- Motive Gear®A-Line Ring and Pinion Gear SetOldsmobile Ninety-Eight 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...Quiet operationComputer controlled heat treatment$217.63 - $226.80
- Motive Gear®Performance Ring and Pinion Gear SetOldsmobile Ninety-Eight 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...Central contact patternCNC start to finish$364.99 - $514.99
- Motive Gear®Performance Ring and Pinion Gear SetOldsmobile Ninety-Eight 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...Central contact patternCNC start to finish$328.67 - $514.99
- Timken®Rear Differential Pinion SealOldsmobile Ninety-Eight with 8.5" Ring Gear / with 8.75" Ring Gear / with 8.88" Ring Gear / with 9.38" Ring Gear 1975, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken...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
- National®Rear Outer Differential Pinion SealOldsmobile Ninety-Eight 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...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$8.96
- Timken®Rear Differential RaceOldsmobile Ninety-Eight 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...OE quality fit, performance, and reliabilityCost-effective friction management solution$6.76 - $8.87
- Dorman®OE Solutions™ Rear Ring and Pinion Bearing Installation Kit with Marking CompoundOldsmobile Ninety-Eight 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...Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service$140.26
- ACDelco®Gold™ Differential Carrier Bearing with RaceOldsmobile Ninety-Eight with 8.875" Ring Gear / with 9.375" Ring Gear 1975, Gold™ Differential Carrier Bearing With Race by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$16.00
- Timken®Rear Differential BearingOldsmobile Ninety-Eight 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...Designed to effectively reduce frictionUltimate load handling capability$13.95 - $19.64
- Timken®Rear Inner Differential Pinion BearingOldsmobile Ninety-Eight with 8.88" Ring Gear / with 9.38" Ring Gear 1975, Rear Inner Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller...Designed to effectively reduce frictionUltimate load handling capability$26.56
- SKF®Rear Differential Pinion SealOldsmobile Ninety-Eight with 8.5" Ring Gear / with 8.875" Ring Gear / with 9.375" Ring Gear 1975, Rear Differential Pinion Seal by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will...Superior protection against dirt and waterManufactured with high-quality tested design and materials for correct fit$7.87
- National®Rear Differential BearingOldsmobile Ninety-Eight 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...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$13.94 - $14.55
- Timken®Rear Inner Differential Pinion RaceOldsmobile Ninety-Eight with 8.88" Ring Gear / with 9.38" 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...OE quality fit, performance, and reliabilityCost-effective friction management solution$19.24
- SKF®Rear Differential Pinion BearingOldsmobile Ninety-Eight 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...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$11.92 - $16.32
- SKF®Rear Differential Pinion RaceOldsmobile Ninety-Eight 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,...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$6.83 - $8.84
- SKF®Rear Tapered Roller Differential Bearing RaceOldsmobile Ninety-Eight with 8.5'' Ring Gear 1975, 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....Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$6.72
- National®Rear Differential Carrier RaceOldsmobile Ninety-Eight with 8.5" Ring Gear, GMC Series Axle 1975, Rear Differential Carrier Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$5.48
- National®Rear Inner Differential Pinion BearingOldsmobile Ninety-Eight with GMC Series Axle 1975, 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 treatment...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$19.73 - $22.47
- National®Rear Inner Differential Pinion RaceOldsmobile Ninety-Eight with GMC Series Axle 1975, Rear Inner Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$10.94 - $14.56
- Richmond®Excel™ Differential Carrier Gear KitOldsmobile Ninety-Eight 1975, 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 for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$116.81 - $135.03
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