1981 Ford Thunderbird Differentials
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DT Components®Rear Differential BearingFord Thunderbird 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 RaceFord Thunderbird 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$7.47 - $11.68
- NTN®Rear Differential BearingFord Thunderbird 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...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$10.37
- AllStar Performance®Ring and Pinion Installation Bearing KitFord Thunderbird 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 SleeveFord Thunderbird 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 SpacerFord Thunderbird 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
- Ratech®Complete Series™ Differential KitFord Thunderbird 1981, Complete Series™ Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$94.62 - $104.54
- Ratech®Differrential Carrier Shim SetFord Thunderbird with GM Series Axle 1981, Differrential Carrier Shim Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$17.07 - $33.37
- Ratech®Pinion Shim SetFord Thunderbird 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 deal for...OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service$14.76
- Yukon Gear & Axle®Front and Rear Differential Cross Pin BoltFord Thunderbird 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 SleeveFord Thunderbird with AMC 20 Series Axle 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.89
- Dorman®Help™ Differential Crush SleevesFord Thunderbird 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
- Dorman®Help™ Rear Differential Pinion Shaft Lock BoltFord Thunderbird 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
- Timken®Rear Optional Differential Pinion Repair SleeveFord Thunderbird with 6.75" Ring Gear 1981, Rear Optional Differential Pinion Repair Sleeve by Timken®. Repair sleeves restore the sealing surface on yokes and shafts, avoiding expensive components replacement. This hard,...Restores the sealing surface on worn shafts and yokesEliminates the need to replace expensive components that are otherwise serviceable$33.24
- Yukon Gear & Axle®Front and Rear Differential Carrier Bearing KitFord Thunderbird with GM 8.5" Series Axle 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....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
- Yukon Gear & Axle®Front and Rear Pinion Depth Shim KitFord Thunderbird 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 BoltFord Thunderbird 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 KitFord Thunderbird with Ford 7.50" Series Axle 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...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 SetFord Thunderbird with Ford 7.50" Series Axle 1981, Rear Differential Clutch Set by Yukon Gear & Axle®. For Both Sides. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set....Expertly crafted from premium materialsDesigned to match rigorous quality standards$261.89
- Yukon Gear & Axle®Rear Differential Cross Pin ShaftFord Thunderbird with Ford 7.50" Series Axle 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...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$35.89 - $65.89
- Yukon Gear & Axle®Rear Differential Crush Sleeve Eliminator KitFord Thunderbird 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
- Yukon Gear & Axle®Rear Differential Pinion Gear Thrust WasherFord Thunderbird with Ford 7.50" Series Axle 1981, Rear Differential Pinion Gear Thrust Washer 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$11.89
- Yukon Gear & Axle®Rear Differential Pinion NutFord Thunderbird with Ford 7.50" Series Axle 1981, Rear Differential Pinion Nut by Yukon Gear & Axle®. Yukon Trail Repair kits allow you to replace a broken yoke on the trail. Yukon Gear & Axle manufactures a full line of top quality...Expertly crafted from premium materialsDesigned to match rigorous quality standards$8.89
- Yukon Gear & Axle®Rear Differential Pinion SealFord Thunderbird with Ford 7.50" Series Axle 1981, Rear Differential Pinion Seal 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...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$9.89
- Yukon Gear & Axle®Rear Differential SpringFord Thunderbird with Ford 7.50" Series Axle 1981, Rear Differential Spring 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...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$59.08
- Yukon Gear & Axle®Rear Outer Differential Oil SlingerFord Thunderbird with Dana 44 Series Axle 1981, Rear Outer Differential Oil Slinger 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...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$8.89
- National®Rear Outer Differential Pinion Repair SleeveFord Thunderbird 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...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
- Richmond®Differential Bearing KitFord Thunderbird with Ford 7.50" Series Axle 1981, 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 this premium...Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability$165.51
- ARP®12 Point Ring Gear Bolt KitFord Thunderbird with Ford 7.50" Series Axle 1981, 12 Point Ring Gear Bolt Kit by ARP®. The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today’s sticky tire compounds or the acceleration and...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$45.26 - $53.89
- AllStar Performance®Differential Pinion SupportFord Thunderbird with Ford 9" Series Axle 1981, Differential Pinion Support by AllStar Performance®. With Installed Races. Drive with confidence and have the edge with AllStar Performance. With such a ground-breaking design and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$139.99
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1981 Ford Thunderbird Models
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