1981 Ford Thunderbird Differentials
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Richmond®Excel™ Rear Ring and Pinion Gear SetFord Thunderbird with 10 Bolt, Ford 7.50" Series Axle 1981, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$189.65 - $269.99 - Motive Gear®Rear Ring and Pinion Gear SetFord Thunderbird with 10 Bolt, Ford 7.50" Series Axle 1981, 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...Quiet operationComputer controlled heat treatment$344.22 - $476.99
- Auburn Gear®Grip-N-Loc™ DifferentialFord Thunderbird 1981, Grip-N-Loc™ 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$639.73 - $873.77
- Yukon Gear & Axle®Dura Grip™ Rear DifferentialFord Thunderbird with Ford 7.50" Series Axle 1981, Dura Grip™ Rear Differential by Yukon Gear & Axle®. The Yukon Dura Grip an example of the popular clutch plate limited slips that appeared as OE equipment. Steel clutch plates, half...Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches$761.89
- Yukon Gear & Axle®High Performance Ring and Pinion Gear SetFord Thunderbird 1981, High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the...Smooth finishEasy Set-Up$344.89 - $637.89
- Dorman®OE Solutions™ Rear Differential Ring and PinionFord Thunderbird with 7.5" Ring Gear 1981, 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...Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit$172.02 - $237.42
- Ford Performance®High Strength Ring and Pinion Gear SetFord Thunderbird with Ford 8.8" Series Axle 1981, High Strength Ring and Pinion Gear Set by Ford Performance®. Dominate the track or hit the trails with condidence 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$232.11
- Richmond®Excel™ Rear Differential CarrierFord Thunderbird Empty Case Housing with 10 Bolt, Ford 7.50" Series Axle 1981, Excel™ Rear Differential Carrier 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$103.49
- AllStar Performance®SpoolFord Thunderbird with Ford 9" Series Axle 1981, Spool by AllStar Performance®. Replace a troublesome positive traction unit with a high quality Allstar spool. Substantially lighter than conventional carriers, spools deliver equal power...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$149.99 - $199.99
- Timken®Rear Differential Bearing and Seal KitFord Thunderbird with 7.5" Ring Gear 1981, 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...Designed to effectively reduce frictionUltimate load handling capability$95.80 - $131.48
- SKF®Rear Differential Pinion SealFord Thunderbird with 7.5" Ring Gear / with 8.8" Ring Gear 1981, Rear Differential Pinion Seal by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised....Superior protection against dirt and waterManufactured with high-quality tested design and materials for correct fit$9.04
- Timken®Rear Differential RaceFord Thunderbird 1981, 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 durable part...OE quality fit, performance, and reliabilityCost-effective friction management solution$6.76 - $9.92
- DT Components®Rear Master Differential Bearing KitFord Thunderbird with 7.5" Ring Gear 1981, Rear Master Differential Bearing Kit by DT Components®. Designed utilizing the latest technology, this product by DT Components features premium quality and will perform better than advertised....Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$137.76
- Timken®Rear Differential Pinion SealFord Thunderbird 1981, 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$11.75 - $17.12
- SKF®Rear Differential Pinion BearingFord Thunderbird with 7.5" Ring Gear / with 8.8" Ring Gear 1981, 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...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$11.92 - $16.32
- SKF®Rear Differential Rebuild KitFord Thunderbird with 7.5" Ring Gear 1981, 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 vehicle...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$109.71 - $147.51
- National®Rear Outer Differential Pinion SealFord Thunderbird with 7.5" Ring Gear, Independent Rear Suspension, Ford Series Axle 1981, 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$13.77
- Dorman®OE Solutions™ Rear Ring and Pinion Bearing Installation KitFord Thunderbird with 7.5" Ring Gear 1981, OE Solutions™ Rear Ring and Pinion Bearing Installation Kit by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary components for installation of the...Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service$147.85
- Timken®Rear Differential BearingFord Thunderbird 1981, 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 premium...Designed to effectively reduce frictionUltimate load handling capability$12.42 - $19.09
- Timken®Rear Differential Pinion BearingFord Thunderbird with 6.75" Ring Gear 1981, Rear Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings,...Designed to effectively reduce frictionUltimate load handling capability$13.49 - $19.77
- Timken®Rear Differential Pinion RaceFord Thunderbird with 6.75" Ring Gear 1981, Rear Differential Pinion 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...OE quality fit, performance, and reliabilityCost-effective friction management solution$6.97 - $10.51
- Yukon Gear & Axle®Rear Differential Master Overhaul KitFord Thunderbird with Ford 7.50" Series Axle 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...Most complete kits on the marketComplete overhaul package to rebuild differential$235.89
- SKF®Rear Differential Pinion RaceFord Thunderbird with 7.5" Ring Gear / with 8.8" Ring Gear 1981, Rear Differential Pinion 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$6.83 - $8.84
- SKF®Rear Tapered Roller Differential Bearing RaceFord Thunderbird with 7.5" Ring Gear 1981, 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. Perfect...Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability$6.72
- ACDelco®Gold™ Differential Pinion SealFord Thunderbird with 7.5" Ring Gear / with 8.8" Ring Gear 1981, Gold™ Differential Pinion Seal by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.35Save: $1.07 (15%)$6.28
- National®Rear Differential BearingFord Thunderbird with 7.5" Ring Gear, Independent Rear Suspension, Ford Series Axle 1981, 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
- National®Rear Differential Carrier RaceFord Thunderbird 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 BearingFord Thunderbird 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...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$17.47
- National®Rear Inner Differential Pinion RaceFord Thunderbird 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...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$8.89
- Richmond®Excel™ Rear Differential Carrier Gear KitFord Thunderbird with 28 Spline, 10 Bolt, 1.2" Axle Spline Diameter, Ford 7.50" Series Axle 1981, Excel™ Rear Differential Carrier Gear Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond features...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$156.54
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1981 Ford Thunderbird Models
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