1989 Ford Thunderbird Differentials

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    • (0 reviews)
      # 1029028617
      Ford Thunderbird FI with Ford 8.8" Series Axle with 10 Bolt 1989, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. with Selectable Full Locker. Location: Rear. The ECTED Max is a selectable traction device; an on/off switch...
      Gearing is made from aircraft quality, 9310 heat treated billet steel to make it tough, durable and reliableSwitch the locker on or off "on-the-fly," at moderate road speeds with all 4 wheels on the ground
      $740.21
    • (0 reviews)
      # 126482239
      Ford Thunderbird with 10 Bolt 1989, 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 ring and pinions for easy...
      Quiet operationComputer controlled heat treatment
      $212.10 - $232.42
    • (0 reviews)
      # 503486215
      Ford Thunderbird with Ford 8.8" Series Axle 1989, 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 differential technology. It...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $427.08 - $468.14
    • (0 reviews)
      # mpn4517167232
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $701.80
    • (0 reviews)
      # mpn4517166636
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Dura Grip Positraction by Yukon Gear & Axle®. Location: Rear. The Yukon Dura Grip an example of the popular clutch plate limited...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $499.01
    • (0 reviews)
      # 1029014604
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Standard Open Carrier Case by Yukon Gear & Axle®. without Spider Gears. Location: Rear. Dominate the track or hit the trails 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
      $139.95 - $304.99
    • (0 reviews)
      # mpn4517167117
      Ford Thunderbird with Independent Rear Suspension with 3.544" OD Pinion Bearing Race with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Master Overhaul Kit by Yukon Gear & Axle®. Location: Rear. Yukon Master Overhaul...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $208.02
    • (0 reviews)
      # 503695041
      Ford Thunderbird with Independent Rear Suspension 1989, 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 running gears designed...
      Smooth finishEasy Set-Up
      $221.47 - $394.60
    • (0 reviews)
      # 503419987
      Ford Thunderbird with 10 Bolt 1989, Rear Differential Carrier by Motive Gear®. Location: Rear. 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
      $87.53 - $289.17
    • (0 reviews)
      # 126481906
      Ford Thunderbird with 10 Bolt 1989, 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 sets are made from...
      Central contact patternCNC start to finish
      $203.94 - $275.47
    • (0 reviews)
      # 1029225511
      Ford Thunderbird FI with 10 Bolt 1989, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with the correct...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16 - $434.52
    • (1 review)
      # 1029336489
      Ford Thunderbird FI with 10 Bolt 1989, 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 reaction than HP for the very best...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91 - $506.74
    • (0 reviews)
      # mpn4517168158
      Ford Thunderbird FI with 28 Spline with Ford 8.8" Series Axle with 10 Bolt 1989, Road Race™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Auburn Gear, LLC. Has developed a performance limited-slip differential...
      Expertly crafted from superior materialsProvides exceptional reliability
      $483.48
    • (0 reviews)
      # mpn4517168048
      Ford Thunderbird with 1.30" Axle Shaft Diameter with 27 Spline with Toyota 7.5" Series Axle 1989, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style performance differential...
      Helical-style pinion gearsLimited-slip operation
      $532.37
    • (0 reviews)
      # 503634039
      Ford Thunderbird with Open Differential 1989, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock during turns. When...
      Brute Force Devices For Rugged ApplicationsReplacement Of Differential Case Not Required
      $339.07 - $405.19
    • (0 reviews)
      # 88287367
      Ford Thunderbird with 10 Bolt 1989, 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. Made from first-run steel,...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $212.41 - $254.22
    • (0 reviews)
      # 503590233
      Ford Thunderbird with Ford 8.8" Series Axle 1989, Ring and Pinion Gear Set by Alloy USA®. Mounting larger diameter wheels and tires requires a gear ratio change to maintain the same performance. But even if you're not getting new skins,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $308.33 - $399.00
    • (0 reviews)
      # 978091858
      Ford Thunderbird Base / LX / Super Coupe With 2.73 and Up Gear Ratio With Ford 8.8" Series Axle 1989, Differential Locker by OX Off Road®. All OX lockers use a completely mechanical locking system inside the differential, and include a...
      Easy clean cabin friendly installation with no setup adjustmentsStandard system uses no electric for a higher level of dependability
      $859.00 - $994.00
    • (0 reviews)
      # mpn4515290613
      Ford Thunderbird Base / LX / Super Coupe With Rear Ford 8.8" (10 Bolt) Series Axle With 28 Shaft Spline 1989, 28-Spline Mini Spool by AllStar Performance®. Mini spool assemblies replace the OE side and spider gears in open style...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $93.99
    • (0 reviews)
      # 1016931607
      Ford Thunderbird Base / LX / Super Coupe With Ford 9" Series Axle 1989, Spool by AllStar Performance®. Replace that troublesome positive traction unit with a high quality Allstar Spool. Substantially lighter than conventional carriers,...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $137.99 - $204.99
    • (0 reviews)
      # mpn4517167474
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Bearing Installation Kit by Yukon Gear & Axle®. with Timken Bearings and Races. Location: Rear. Dominate the track or...
      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
      $149.34
    • (0 reviews)
      # mpn4517167354
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Location: Rear. Includes: Carrier bearings, races and "super" carrier shim...
      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
      $79.20
    • (0 reviews)
      # mpn4517168357
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. with Supershims. Location: Rear. Yukon Mini installation kits are a low...
      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
      $35.01
    • (0 reviews)
      # mpn4517167453
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Pinion Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Pinion installation kits are a terrific solution...
      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
      $98.08
    • (0 reviews)
      # 1029066521
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Spider Gear Set by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your...
      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
      $223.03 - $239.18
    • (0 reviews)
      # 1029046520
      Ford Thunderbird 1989, Differential Carrier Gear 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 differential component that...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $120.22 - $249.55
    • (0 reviews)
      # 503508110
      Ford Thunderbird 1989, 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
      $36.07
    • (0 reviews)
      # 503292311
      Ford Thunderbird with 10 Bolt 1989, 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 company products undergo...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $80.43 - $93.89
    • (0 reviews)
      # 503311515
      Ford Thunderbird with 10 Bolt 1989, Rear Differential Bearing Kit by Motive Gear®. Location: Rear. 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
      $71.31 - $78.74
    • (0 reviews)
      # 503432015
      Ford Thunderbird with 10 Bolt 1989, Rear Differential Super Bearing Kit by Motive Gear®. Location: Rear. 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
      $106.76 - $119.58
    • (0 reviews)
      # 209407720
      Ford Thunderbird Base / LX / Super Coupe with 8.8" Series Axle with 10 Bolt with Open Differential 1989, Rear Mini Spool by Motive Gear®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $81.49
    • (0 reviews)
      # mpn4517170296
      Ford Thunderbird with Ford 7.5" Series Axle 1989, Rear Spider Gear Kit by Auburn Gear®. Location: Rear. Dominate the track or hit the trails with condidence 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
      $77.85
    • (0 reviews)
      # 503688113
      Ford Thunderbird 1989, Differential Gear Installation 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 differential gear...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $30.28
    • (0 reviews)
      # mpn4517171636
      Ford Thunderbird with Ford 8.8" Series Axle 1989, 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 with this premium...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $157.24
    • (0 reviews)
      # mpn4517168524
      Ford Thunderbird Base / LX / Super Coupe with GM 8.875" Series Axle with 12 Bolt 1989, Rear Differential Spool Bearing Kit by Richmond®. Location: Rear. Richmond Gear Differential Installation Kits are a must have when overhauling an...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $34.03
    • (0 reviews)
      # 503628103
      Ford Thunderbird Base / LX / Super Coupe with Ford 8.8" Series Axle with Open Differential 1989, Rear Mini Spool by Richmond®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $100.35
    • (0 reviews)
      # 503588196
      Ford Thunderbird Base / LX / Super Coupe with Ford 8.8" Series Axle with C-Clip Eliminator Kit with 45 Degree Pressure Angle Axles 1989, Rear Spool by Richmond®. Location: Rear. Dominate the track or hit the trails with confidence by...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $195.90
    • (0 reviews)
      # mpn4517170654
      Ford Thunderbird with Ford 8.8" Series Axle 1989, Differential Master Overhaul Kit by Alloy USA®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      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
      $178.70
    • (0 reviews)
      # mpn4515297019
      Ford Thunderbird Base / LX / Super Coupe With Ford 8.8" Series Axle / With Ford 9" Series Axle 1989, Cross Pin by AllStar Performance®. This top-grade product is expertly made in compliance with stringent industry standards to offer a...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $14.99
    • (0 reviews)
      # 1016987716
      Ford Thunderbird Base / LX / Super Coupe With Ford 9" Series Axle 1989, Pinion Support by AllStar Performance®. Allstar Ford 9" supports replace original equipment style cast iron supports. Pro support is for 35-spline pinion, Pro...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $119.99 - $148.99
    • (0 reviews)
      # 1017022042
      Ford Thunderbird Base / LX / Super Coupe 1989, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Kit contain all the hard-to-find individual parts for a quick, trouble-free installation. Kits Include: Pinion and side...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $97.99 - $118.99
    • (0 reviews)
      # 1040998182
      Ford Thunderbird Base / LX / Super Coupe 1989, Shim Kit by AllStar Performance®. Kits contain all the hard-to-find individual parts for a quick, trouble-free installation. This top-grade product is expertly made in compliance with...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $26.99 - $44.99
    • (0 reviews)
      # mpn4510235866
      Ford Thunderbird LX / Super Coupe Ford 8.8" Axle 1989, Minimum Install Kit by Revolution Gear & Axle®. Revolution Gear and Axle Minimum Install Kit comes with the basic pieces need to install a new ring and pinion sets. If you're...
      Made to promote and inspire your off-road adventuresTested in demanding off-road conditions for maximum durability
      $28.08
    • (0 reviews)
      # 503695408
      Ford Thunderbird with Independent Rear Suspension 1989, Rear Differential Bearing Race Punch by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed...
      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
      $56.95
    • (0 reviews)
      # 503641033
      Ford Thunderbird with Independent Rear Suspension 1989, Rear Differential Carrier Bearing Puller by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      Works with an impact gun to safely and easliy remove carrrier bearingsEnables you to keep your engine in the powerband for more giddy-up and high speed
      $435.16 - $519.86
    • (0 reviews)
      # 503680413
      Ford Thunderbird with Independent Rear Suspension with Trac Loc Locker with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Clutch Set by Yukon Gear & Axle®. Location: Rear. Yukon uses higher quality materials and better...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $135.01 - $193.98
    • (0 reviews)
      # mpn4517167312
      Ford Thunderbird with Independent Rear Suspension with Posi Differential with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Cross Pin Bolt by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails 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
      $3.46
    • (0 reviews)
      # 503299309
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Cross Pin Shaft by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine...
      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
      $24.51 - $27.89
    • (0 reviews)
      # mpn4517168028
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Crush Sleeve by Yukon Gear & Axle®. Location: Rear. Designed utilizing the latest technology, this product by Yukon Gear...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.00
    • (0 reviews)
      # mpn4517169316
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Crush Sleeve Eliminator Kit by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence...
      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
      $49.59
    • (0 reviews)
      # 503336036
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Pinion Gear Thrust Washer by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by...
      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
      $5.11 - $5.30
    • (0 reviews)
      # mpn4517167493
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Pinion Mighty Seal by Yukon Gear & Axle®. Location: Rear. Yukon Mighty Seals use the latest designs and manufacturing...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.63
    • (0 reviews)
      # mpn4517167333
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Pinion Nut by Yukon Gear & Axle®. Location: Rear. Yukon heavy duty pinion supports feature upgraded materials and a...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $6.65
    • (0 reviews)
      # 503596064
      Ford Thunderbird with Independent Rear Suspension 1989, Rear Differential Seal Puller by Yukon Gear & Axle®. Location: Rear. 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
      $35.78
    • (0 reviews)
      # 503516452
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Differential Side Gear Thrust Washer by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by...
      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
      $2.44 - $5.30
    • (0 reviews)
      # mpn4517167468
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Pinion Depth Shim Kit by Yukon Gear & Axle®. Location: Rear. Yukon shim kits are precision machined and tailored for each individual...
      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
      $14.39
    • (0 reviews)
      # mpn4517167360
      Ford Thunderbird with Independent Rear Suspension with Standard Open Differential / with Trac Loc Locker with 28 Spline with Ford 8.8" Series Axle 1989, Rear Ring Gear Bolt by Yukon Gear & Axle®. Location: Rear. Yukon Gear & Axle...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $1.58
    • (0 reviews)
      # mpn4517166752
      Ford Thunderbird with Independent Rear Suspension with 28 Spline with Ford 8.8" Series Axle 1989, Rear Super Carrier Shim Kit by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning...
      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
      $24.44
    • (0 reviews)
      # 1029135569
      Ford Thunderbird 1989, Differential Carrier Shim 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
      $18.21 - $24.23
    • (0 reviews)
      # mpn4517166249
      Ford Thunderbird with 7.5" Series Axle with 10 Bolt 1989, Differential Crush Sleeve 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
      $2.42




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