1981 Mercury Cougar Differentials
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National®Rear Differential Carrier RaceMercury Cougar with 7.5" Ring Gear, Independent Rear Suspension, Ford Series Axle 1981, Rear Differential Carrier Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$6.78 - National®Rear Inner Differential Pinion BearingMercury Cougar with 7.5" Ring Gear, Independent Rear Suspension, Ford Series Axle 1981, Rear Inner Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$17.47
- National®Rear Inner Differential Pinion RaceMercury Cougar with 7.5" Ring Gear, Independent Rear Suspension, Ford Series Axle 1981, 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...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$8.89
- Yukon Gear & Axle®Differential Pinion Installation KitMercury Cougar 1981, Differential Pinion Installation Kit by Yukon Gear & Axle®. Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused....Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$149.89 - $166.89
- Yukon Gear & Axle®Rear Differential Master Overhaul KitMercury Cougar 1981, Rear Differential Master Overhaul Kit by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...Most complete kits on the marketComplete overhaul package to rebuild differential$235.89
- Yukon Gear & Axle®Rear Differential Mini Installation KitMercury Cougar 1981, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. Yukon Mini installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused and includes all high quality...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$47.29 - $49.30
- Yukon Gear & Axle®Rear Standard Open Carrier CaseMercury Cougar 1981, Rear Standard Open Carrier Case by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$228.89 - $499.89
- Yukon Gear & Axle®Spider Gear SetMercury Cougar 1981, Spider Gear Set by Yukon Gear & Axle®. 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...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$199.89 - $336.89
- DT Components®Rear Differential BearingMercury Cougar 1981, Rear Differential Bearing by DT Components®. Designed utilizing the latest technology, this product by DT Components features premium quality and will perform better than advertised. Perfect for your vehicle and...Expertly crafted from premium materialsDesigned to match rigorous quality standards$17.38 - $17.39
- DT Components®Rear Differential Bearing RaceMercury Cougar 1981, Rear Differential Bearing Race by DT Components®. Designed utilizing the latest technology, this product by DT Components features premium quality and will perform better than advertised. Perfect for your vehicle...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$8.72 - $11.68
- NTN®Rear Differential BearingMercury Cougar 1981, Rear Differential Bearing by NTN®. 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 maintain...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$12.23
- AllStar Performance®Ring and Pinion Installation Bearing KitMercury Cougar 1981, Ring and Pinion Installation Bearing Kit 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...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$103.99 - $142.99
- AllStar Performance®Ring and Pinion Installation Shim Kit with Crush SleeveMercury Cougar with Ford 9" Series Axle 1981, Ring and Pinion Installation Shim Kit with Crush Sleeve by AllStar Performance®. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$31.99
- AllStar Performance®Ring and Pinion Installation Shim Kit with Solid SpacerMercury Cougar with Ford 9" Series Axle 1981, Ring and Pinion Installation Shim Kit with Solid Spacer by AllStar Performance®. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$39.99
- Motive Gear®Rear Differential Super Bearing KitMercury Cougar with 10 Bolt 1981, 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 premium...Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best$117.93 - $221.74
- Ratech®Pinion Shim SetMercury Cougar Base / XR-7 with 7.5" Ring Gear, GM Series Axle 1981, Pinion Shim Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$14.76
- Dorman®Help™ Differential Crush SleevesMercury Cougar 1981, Help™ Differential Crush Sleeves by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain optimal pressure when the pinion gear nut...Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles$4.98
- Yukon Gear & Axle®Front and Rear Differential Cross Pin BoltMercury Cougar with Chrysler 8.25" Series Axle 1981, Front and Rear Differential Cross Pin Bolt by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$6.89
- Yukon Gear & Axle®Rear Differential Crush SleeveMercury Cougar 1981, Rear Differential Crush Sleeve by Yukon Gear & Axle®. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.89 - $21.99
- Dorman®Help™ Rear Differential Pinion Shaft Lock BoltMercury Cougar with 7.5" Ring Gear and without Limited Slip Differential 1981, Help™ Rear Differential Pinion Shaft Lock Bolt by Dorman®. This differential pinion shaft lock bolt is designed to match the fit and function of the...Direct replacement - this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue$2.48
- Dorman®OE Solutions™ Differential Disc KitMercury Cougar with 8.8" Ring Gear 1981, OE Solutions™ Differential Disc Kit by Dorman®. Dorman differential disc kits are a low-cost, tima-saving repair solution for the posi-traction function. They are designed to match the fit and...Direct replacement - this repair kit includes the required differential disc that were specifically engineered to match the fit of the original disc for a complete installationQuality replacement - engineered to match the fit, function and performance of the original differential disc on specific vehicle years, makes and models$158.70
- National®Rear Outer Differential Pinion Repair SleeveMercury Cougar with 7.5" Ring Gear, Independent Rear Suspension, Ford Series Axle 1981, Rear Outer Differential Pinion Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to...National Redi-Sleeves are precision stainless steel wear sleeves designed to quickly repair damaged, grooved or worn shaftsStrong, durable stainless steel construction provides a corrosion-free sealing surface that surpasses most original shaft specifications$26.89
- Spicer®Differential Pinion SealMercury Cougar 1981, 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$8.77
- Yukon Gear & Axle®Front and Rear Differential Carrier Bearing KitMercury Cougar 1981, Front and Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Yukon Carrier installation kits are great, low cost kits for carrier changes such as Positraction or locker upgrades. Designed utilizing the...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$94.89 - $113.89
- Yukon Gear & Axle®Front and Rear Pinion Depth Shim KitMercury Cougar with AMC 20 Series Axle 1981, Front and Rear Pinion Depth Shim Kit by Yukon Gear & Axle®. Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$21.89
- Yukon Gear & Axle®Front and Rear Ring Gear BoltMercury Cougar with Ford 7.50" Series Axle 1981, Front and Rear Ring Gear Bolt by Yukon Gear & Axle®. Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves,...Expertly crafted from premium materialsDesigned to match rigorous quality standards$5.89
- Yukon Gear & Axle®Front and Rear Super Carrier Shim KitMercury Cougar 1981, Front and Rear Super Carrier Shim Kit by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$37.89
- Yukon Gear & Axle®Rear Differential Clutch SetMercury Cougar 1981, Rear Differential Clutch Set by Yukon Gear & Axle®. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. Designed utilizing the latest technology, this...Expertly crafted from premium materialsDesigned to match rigorous quality standards$199.89 - $493.89
- Yukon Gear & Axle®Rear Differential Cross Pin ShaftMercury Cougar 1981, Rear Differential Cross Pin Shaft by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$15.89 - $72.89
- Yukon Gear & Axle®Rear Differential Crush Sleeve Eliminator KitMercury Cougar with Ford 8.8" Series Axle 1981, Rear Differential Crush Sleeve Eliminator Kit by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$75.89
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1981 Mercury Cougar Models
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