1978 Buick Opel Differentials
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Richmond®Excel™ Rear Ring and Pinion Gear SetBuick Opel with 10 Bolt, GM 7.5" Series Axle / GM 7.625" Series Axle 1978, Excel™ Rear Ring and Pinion Gear Set by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$218.99 - $256.99 - Motive Gear®Rear A-Line Ring and Pinion Gear SetBuick Opel with 3.23 and Up Gear Ratio, 10 Bolt, GM 7.5" Series Axle 1978, Rear A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers...Quiet operationComputer controlled heat treatment$190.50 - $206.49
- Auburn Gear®Grip-N-Loc™ Rear DifferentialBuick Opel 1978, 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 Positive Unit AssemblyBuick Opel 1978, 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 assembly that...Direct replacement - this differential carrier fits in place of this vehicle's original equipment carrier100% new - this differential carrier uses all-new components$668.33
- Richmond®Rear Street Gear Ring and Pinion Gear SetBuick Opel with 10 Bolt, GM 7.5" Series Axle 1978, Rear 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,...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$305.99 - $489.99
- Motive Gear®Rear Ring and Pinion Gear SetBuick Opel 1978, Rear 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
- Timken®Rear Differential Pinion BearingBuick Opel 5-Speed 1978, Rear Differential Pinion 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$28.29
- Timken®Rear Differential Pinion SealBuick Opel 5-Speed 1978, 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$8.03
- National®Rear Differential Carrier RaceBuick Opel with 7.625" Ring Gear, 10 Bolt Cover, Isuzu Series Axle 1978, 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$21.83
- Motive Gear®Rear Differential Master Bearing KitBuick Opel with 10 Bolt, GM 7.5" Series Axle 1978, 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
- Motive Gear®Rear Differential Super Bearing KitBuick Opel with 10 Bolt, GM 7.5" Series Axle 1978, Rear Differential Super Bearing 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...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$138.79 - $152.59
- Spicer®Differential Pinion SealBuick Opel 1978, 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 Opel with GM 7.5" Series Axle / with GM 7.625" Series Axle 1978, 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 with...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$172.49
- Richmond®Excel™ Rear Differential Pinion ShaftBuick Opel with GM 7.5" Series Axle 1978, 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. Perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.50
- Spicer®Differential Crush SleeveBuick Opel 1978, Differential Crush Sleeve by Spicer®. Spicer parts are designed, engineered, and manufactured to meet or exceed OE requirements because they are OE parts, ensuring a perfect fit with company full line of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.62
- Powertrax®Lock Right LockerBuick Opel with Open Differential 1978, Lock Right Locker by Powertrax®. With Couplers. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle...Brute force devices for rugged applicationsReplacement of differential case not required$439.96 - $490.05
- Motive Gear®Performance Rear Ring and Pinion Gear SetBuick Opel with 3.23 and Up Gear Ratio, 10 Bolt, GM 7.5" Series Axle 1978, Performance Rear Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear...Central contact patternCNC start to finish$515.99
- Motive Gear®Performance Rear Ring and Pinion Gear SetBuick Opel with 3.23 and Up Gear Ratio with 10 Bolt with GM 7.5" Series Axle 1978, Performance Rear Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle....Central contact patternCNC start to finish$515.99
- Powertrax®Grip LS Traction SystemBuick Opel with 28 Spline, 3.23 and Up Gear Ratio, GM 7.5" Series Axle / GM 7.625" Series Axle 1978, Grip LS Traction System by Powertrax®. Designed utilizing the latest technology, this product features premium quality and will perform...Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology$498.63
- Powertrax®No-Slip Traction SystemBuick Opel with 26 Spline, Open Differential, 10 Bolt, GM 7.5" Series Axle 1978, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet...Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions$563.56
- Richmond®Differential Mega Bearing KitBuick Opel with GM 7.5" Series Axle / with GM 7.625" Series Axle 1978, Differential Mega 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$196.84
- Motive Gear®Differential Gear Installation KitBuick Opel with GM 7.5" Series Axle 1978, 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...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$110.97
- Richmond®Differential Pinion ShaftBuick Opel with GM 7.5" Series Axle 1978, Differential Pinion Shaft 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...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$20.27 - $48.79
- Richmond®Excel™ Rear Differential Bearing KitBuick Opel with 10 Bolt, GM 7.5" Series Axle 1978, Excel™ Rear Differential Bearing Kit 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$105.97
- Motive Gear®Differential Pinion Gear Thrust WasherBuick Opel 1978, Differential Pinion Gear Thrust Washer 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$9.39
- Motive Gear®Differential Pinion Solid Spacer KitBuick Opel with GM 7.5" Series Axle / with GM 7.625" Series Axle / with GM 8.2" Series Axle 1978, Differential Pinion Solid Spacer Kit by Motive Gear®. With Shims. All Motive Gear products are engineered for their specific application...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$36.27
- Motive Gear®Rear Differential Bearing KitBuick Opel with 10 Bolt, GM 7.5" Series Axle 1978, Rear Differential 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 company...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$76.91 - $97.80
- Powertrax®Lock Right Locker DriverBuick Opel with Replacement Part for Lock Right Unit (p# 1930-LR, 1931-LR, 1932-LR) 1978, Lock Right Locker Driver by Powertrax®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed...High quality at an affordable priceExpertly made from premium materials$83.33
- Powertrax®Lock Right Locker PinBuick Opel 1978, Lock Right Locker Pin by Powertrax®. 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...High quality at an affordable priceExpertly made from premium materials$0.94
- Powertrax®Lock Right Locker Spring and Pin KitBuick Opel 1978, Lock Right Locker Spring and Pin Kit by Powertrax®. 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...High quality at an affordable priceExpertly made from premium materials$13.24
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