1973 Ford Thunderbird Differentials & Components

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    • (0 reviews)
      # mpn2412746
      Ford Thunderbird with 9" Ring Gear with 3.50 Ratio 1973, 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 axles....
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $140.04
    • (0 reviews)
      # mpn2020889
      Ford Thunderbird with 9" Ring Gear 1973, Rear Axle 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
      $105.46
    • (0 reviews)
      # mpn358588619
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Basic Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $16.84
    • (0 reviews)
      # 202163716
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Complete Series™ Differential Kit by Ratech®.
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $86.12 - $87.98
    • (0 reviews)
      # mpn358588472
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Clutch Pack Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $54.66
    • (0 reviews)
      # mpn358588429
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Installation Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $23.96
    • (0 reviews)
      # 531060674
      Ford Thunderbird 1973, 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
      $7.74 - $10.54
    • (0 reviews)
      # mpn2040421
      Ford Thunderbird with 9" Ring Gear 1973, Rear Differential Bearing Set by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and...
      Designed to effectively reduce frictionUltimate load handling capability
      $9.67
    • (0 reviews)
      # mpn2040415
      Ford Thunderbird with 9" Ring Gear 1973, Rear Differential Pinion Pilot Bearing 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
      $22.38
    • (0 reviews)
      # 531156015
      Ford Thunderbird 1973, 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
      $6.53 - $10.47
    • (0 reviews)
      # 531059035
      Ford Thunderbird 1973, 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
      $4.21 - $5.55
    • (0 reviews)
      # mpn2371034
      Ford Thunderbird 1973, 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 is...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $3.04
    • (0 reviews)
      # mpn1248770
      Ford Thunderbird with 9" Ring Gear with Ford HD Series Axle / with Ford Series Axle 1973, Rear Axle Differential 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
      $7.61
    • (0 reviews)
      # mpn1248769
      Ford Thunderbird with 9" Ring Gear with D Transmission / with Ford H Transmission / with Ford Transmission 1973, Rear Axle Differential Bearing Race by National®. This part is manufactured by one of the most trusted names in the...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $3.99
    • (0 reviews)
      # mpn1848347674
      Ford Thunderbird with 9" Ring Gear with Ford Series Axle 1973, Rear Axle Standard Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $90.86
    • (0 reviews)
      # 531201340
      Ford Thunderbird with 9" Ring Gear 1973, Rear Differential Pinion 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
      $8.07 - $18.98
    • (0 reviews)
      # mpn1848355976
      Ford Thunderbird with 9" Ring Gear with Ford HD Series Axle / with Ford Series Axle 1973, Rear Differential Pinion Pilot 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
      $20.78
    • (0 reviews)
      # 531115003
      Ford Thunderbird with 9" Ring Gear 1973, Rear 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 built to the...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.34 - $7.35
    • (0 reviews)
      # 531077360
      Ford Thunderbird with 9" Ring Gear 1973, Rear Differential Pinion Repair Sleeve 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 built 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
      $19.44
    • (0 reviews)
      # 531088587
      Ford Thunderbird with 9" Ring Gear 1973, Rear Differential Pinion Seal by National®. 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,...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $6.97
    • (0 reviews)
      # mpn358588597
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Crush Sleeve 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
      $2.92
    • (0 reviews)
      # 202163734
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Bearing Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $62.32 - $62.66
    • (0 reviews)
      # 1148448891
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Bearing Race by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $7.56 - $12.36
    • (0 reviews)
      # 202163762
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Bearing Spacer by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $3.03 - $40.09
    • (0 reviews)
      # 202163740
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Carrier Bearing Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $22.70 - $28.07
    • (0 reviews)
      # 202163726
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Pinion Bearing by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $11.89 - $28.76
    • (0 reviews)
      # mpn358588470
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Pinion Nut by Ratech®. 1-14" thread size. Fits 35-spline differentials with 1/2" ring gear bolts. Designed with precision and functionality in mind,...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $6.65
    • (0 reviews)
      # 206590287
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Pinion Seal by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $5.48 - $7.71
    • (0 reviews)
      # mpn358588577
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Differential Pinion Shim by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $13.31
    • (0 reviews)
      # mpn358588730
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Pilot Bearing Retainer Clip by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $3.38
    • (0 reviews)
      # mpn358588460
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Ring Gear Bolt Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.25
    • (0 reviews)
      # mpn358588432
      Ford Thunderbird with 9" Ring Gear with General Motors Series Axle 1973, Smart Sleeve Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.62
    • (0 reviews)
      # 503464037
      Ford Thunderbird with Ford 9" Series Axle with 10 Bolt 1973, Rear A-Line Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers...
      Quiet operationComputer controlled heat treatment
      $140.88 - $165.16
    • (0 reviews)
      # mpn4517168270
      Ford Thunderbird with 4 Pinion Gear with Ford 9" Series Axle 1973, Rear Differential Carrier by Motive Gear®. Without Internal Kit. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $204.46
    • (0 reviews)
      # 503642333
      Ford Thunderbird with Ford 9" Series Axle with 10 Bolt with Dual Drilled for 1/2" Ring Gear Bolts / with Dual Drilled for 7/16" Ring Gear Bolts 1973, Rear Lightweight Pro Gear Ring and Pinion Gear Set by Motive Gear®. Location: Rear....
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $341.48 - $561.60
    • (0 reviews)
      # 503388256
      Ford Thunderbird with Ford 9" Series Axle with 10 Bolt 1973, Rear Performance Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear...
      Central contact patternCNC start to finish
      $203.94 - $718.77
    • (0 reviews)
      # 503290320
      Ford Thunderbird with Ford 9" Series Axle with 10 Bolt 1973, Rear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer...
      Quiet operationComputer controlled heat treatment
      $193.74 - $245.52
    • (0 reviews)
      # mpn4517168692
      Ford Thunderbird with GM 9" Series Axle with 10 Bolt with Large Hub Bearing Diameter 50mm with 1.32" Axle Shaft Diameter 1973, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a 100%-automatic locking...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $924.95
    • (0 reviews)
      # 503361104
      Ford Thunderbird with 28 Spline / with 31 Spline with Ford 9" Series Axle 1973, Rear Dropout Housing by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      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
      $405.93 - $464.97
    • (0 reviews)
      # 503573508
      Ford Thunderbird with Ford 9" Series Axle 1973, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $602.01 - $796.59
    • (0 reviews)
      # 503595092
      Ford Thunderbird with 28 Spline / with 31 Spline with Ford 9" Series Axle 1973, Rear High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Location: Rear. Yukon Ring and Pinion sets give you the confidence of knowing you’re...
      Smooth finishEasy Set-Up
      $219.42 - $1,288.56
    • (0 reviews)
      # 68577748
      Ford Thunderbird with Ford 9" Series Axle 1973, Rear Trac Loc Positraction by Yukon Gear & Axle®. Location: Rear. Companies have tried to reproduce the factory Ford 8" and 9" Trac Loc with limited success. Yukon took on this project by...
      Forged case and billet steel left case halfForged 4320 internals for maximum strength
      $547.60
    • (0 reviews)
      # 1028967986
      Ford Thunderbird with 28 Spline / with 31 Spline with Ford 9" Series Axle 1973, Rear Zip Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to...
      Air operated locker provides on-demand tractionForged case & 8620 internals for added strength
      $899.22 - $959.40
    • (0 reviews)
      # 1029020646
      Ford Thunderbird 7.0L / 7.5L with Ford 9" Series Axle with 10 Bolt 1973, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up another notch, offering an even higher bias ratio and faster sensing...
      Expertly crafted from superior materialsProvides exceptional reliability
      $488.38
    • (0 reviews)
      # 503548248
      Ford Thunderbird with Ford 9" Series Axle 1973, Grip Pro Traction System by Powertrax®. The Powertrax Grip PRO is a gear driven limited slip differential designed to be among the strongest and most durable in the industry. It combines...
      Comes Fully AssembledDelivers Progressive and Variable Traction
      $453.13 - $525.00
    • (0 reviews)
      # mpn4517170687
      Ford Thunderbird with 28 Spline / with 31 Spline with Open Differential with Ford 8" Series Axle / with Ford 9" Series Axle 1973, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $301.08
    • (0 reviews)
      # 503451513
      Ford Thunderbird with Open Differential with Ford 9" Series Axle 1973, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $450.54
    • (0 reviews)
      # mpn4517168992
      Ford Thunderbird with 31 Spline with Ford 9" Series Axle with 3.06" Caps 1973, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses a set of...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $389.00
    • (0 reviews)
      # 503582084
      Ford Thunderbird with Ford 9" Series Axle 1973, Open Grip Lok Traction System by Powertrax®. If you are looking for the ultimate in traction, the Powertrax Grip Lok can handle the torque of engines producing up to 550hp. It combines the...
      Comes Fully AssembledTraction Adding Differential Technology
      $515.54 - $563.35
    • (0 reviews)
      # 503643034
      Ford Thunderbird with Ford 9" Series Axle with 10 Bolt 1973, Rear Pro Gear Ring and Pinion Gear Set by Richmond®. Location: Rear. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $359.45 - $483.61
    • (0 reviews)
      # 503509643
      Ford Thunderbird with Ford 9" Series Axle with 10 Bolt 1973, Rear Street Gear Ring and Pinion Gear Set by Richmond®. Location: Rear. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $214.67 - $447.59
    • (0 reviews)
      # 1190844592
      Ford Thunderbird with 31 Spline with Ford 9" Series Axle 1973, Rear Differential Locker by Aussie Locker®. Location: Rear. The Aussie Locker is the most advanced "traction added" Automatic Precision Locker in the world today....
      High quality at an affordable priceExpertly made from premium materials
      $333.02
    • (0 reviews)
      # 503354152
      Ford Thunderbird 1973, 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 products undergo rigid quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $84.31 - $150.76
    • (0 reviews)
      # 1028903987
      Ford Thunderbird 1973, 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 products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $32.45 - $37.61
    • (0 reviews)
      # 503598991
      Ford Thunderbird with Ford 9" Series Axle 1973, Rear Differential Master Bearing Kit by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured in state of the art...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $103.45 - $119.01
    • (0 reviews)
      # 68577798
      Ford Thunderbird 1973, Rear Differential Bearing Installation Kit by Yukon Gear & Axle®. With Timken Bearings and Races. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      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
      $146.29 - $222.16
    • (0 reviews)
      # 68577801
      Ford Thunderbird 1973, Rear Differential Master Overhaul Kit by Yukon Gear & Axle®. Location: Rear. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential job. Yukon offers more...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $196.65 - $382.75
    • (0 reviews)
      # mpn4517170032
      Ford Thunderbird with 28 Spline / with 31 Spline with Ford 9" Series Axle 1973, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Mini installation kits are a low cost solution for gear changes in...
      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
      $33.40
    • (0 reviews)
      # 503695248
      Ford Thunderbird with 28 Spline / with 31 Spline 1973, Rear Differential Pinion Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage...
      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
      $129.05 - $311.70
    • (0 reviews)
      # 68577757
      Ford Thunderbird with 28 Spline / with 31 Spline with Ford 9" Series Axle 1973, Rear Differential Pinion Support by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      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
      $99.03 - $438.11




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