1991 Ford Aerostar Differentials

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    • (0 reviews)
      # 742462487
      Ford Aerostar MFI with Ford 8.8" Series Axle with 10 Bolt 1991, Air Locker by ARB®. Air locker locking differentials allow you to tackle the toughest terrain. The world's premier traction aid, ARB air lockers keep you moving in all...
      Provides 100% traction on demand without affecting on road drivability or driveline wearVastly improved traction means less reliance on momentum, which reduces the likelihood of vehicle damage and environmental impact
      $940.50
    • (0 reviews)
      # 126492530
      Ford Aerostar with 10 Bolt 1991, 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 for easy setup, superior...
      Quiet operationComputer controlled heat treatment
      $212.10 - $232.42
    • (0 reviews)
      # 503559064
      Ford Aerostar with Ford 8.8" Series Axle with 10 Bolt 1991, Rear A-Line 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...
      Quiet operationComputer controlled heat treatment
      $146.10
    • (0 reviews)
      # 503291107
      Ford Aerostar with Ford 8.8" Series Axle 1991, 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 - $516.45
    • (0 reviews)
      # 503349142
      Ford Aerostar with 10 Bolt 1991, Detroit Locker® Rear Differential by Eaton®. The Detroit Locker is a 100%-automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique,...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $679.99 - $763.99
    • (0 reviews)
      # mpn730872350
      Ford Aerostar with Ford 7.5" Series Axle 1991, Rear Dura Grip Positraction 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 of which...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $461.23
    • (0 reviews)
      # 503641433
      Ford Aerostar 1991, 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 component that...
      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
      $224.91 - $283.18
    • (0 reviews)
      # 503543436
      Ford Aerostar 1991, Differential Master Overhaul Kit by Yukon Gear & Axle®. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $163.38 - $376.23
    • (0 reviews)
      # 503473114
      Ford Aerostar 1991, 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
      $221.47 - $484.62
    • (0 reviews)
      # 503593337
      Ford Aerostar with 10 Bolt 1991, Rear Differential Carrier 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
      $87.53 - $289.17
    • (0 reviews)
      # 503472162
      Ford Aerostar with 10 Bolt 1991, Rear Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets are made from first-run steel, we never...
      Central contact patternCNC start to finish
      $203.94 - $275.47
    • (0 reviews)
      # mpn358496420
      Ford Aerostar with Ford 8.8" Series Axle with 10 Bolt 1991, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Motive Gear Pro Gear ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets are made from...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $431.25
    • (0 reviews)
      # 503385100
      Ford Aerostar with 10 Bolt 1991, Detroit Truetrac® Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics....
      Helical-style pinion gearsLimited-slip operation
      $553.83 - $575.52
    • (0 reviews)
      # 503500336
      Ford Aerostar with Open Differential 1991, 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 extreme...
      Brute Force Devices For Rugged ApplicationsReplacement Of Differential Case Not Required
      $339.07 - $405.19
    • (0 reviews)
      # 88284368
      Ford Aerostar with 10 Bolt 1991, Rear Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $212.41 - $254.22
    • (0 reviews)
      # 174212744
      Ford Aerostar with 10 Bolt 1991, HP™ Rear Differential by Auburn Gear®. Type: Limited Slip. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with the correct bias ratios to...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16 - $434.52
    • (0 reviews)
      # 174212626
      Ford Aerostar with 10 Bolt 1991, Pro™ Rear Differential by Auburn Gear®. Type: Limited Slip. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction than HP for the very best in controlled...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91 - $506.74
    • (0 reviews)
      # 503411442
      Ford Aerostar with 28 Spline with Ford 8.8" Series Axle with 10 Bolt 1991, Road Race™ Rear Differential by Auburn Gear®. Type: Limited Slip. Auburn Gear, LLC. Has developed a performance limited-slip differential specifically for road...
      Expertly crafted from superior materialsProvides exceptional reliability
      $483.48
    • (0 reviews)
      # 742448488
      Ford Aerostar with Ford 8.8" Series Axle 1991, Ring and Pinion Gear Set by Precision Gear®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Allows for getting superior traction on just about any brutal terrainAdds more reliability and consistency to your drivetrain
      $252.86 - $327.21
    • (0 reviews)
      # 503534284
      Ford Aerostar 1991, Differential Bearing Installation Kit by Yukon Gear & Axle®. With Timken Bearings and Races. 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
      $141.30 - $174.28
    • (0 reviews)
      # 503290428
      Ford Aerostar 1991, 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
      $33.83 - $171.53
    • (0 reviews)
      # 503581973
      Ford Aerostar 1991, 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
      $108.97 - $172.97
    • (0 reviews)
      # mpn730836312
      Ford Aerostar with Ford 7.5" Series Axle 1991, Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Includes: Carrier bearings, races and "super" carrier shim kit. Yukon Carrier installation kits are great, low cost kits 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
      $64.70
    • (0 reviews)
      # mpn730915411
      Ford Aerostar with Standard Open Differential with 28 Spline with Ford 7.5" Series Axle 1991, Rear Spider Gear Set by Yukon Gear & Axle®. 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
      $134.89
    • (0 reviews)
      # 126492353
      Ford Aerostar 1991, 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 control...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $71.31 - $87.13
    • (0 reviews)
      # 126492804
      Ford Aerostar 1991, 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 - $44.33
    • (0 reviews)
      # 126492287
      Ford Aerostar 1991, 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 rigid quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $80.43 - $116.33
    • (0 reviews)
      # mpn1578521304
      Ford Aerostar with 28 Spline with 7.5" Series Axle with 10 Bolt 1991, Rear 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $120.22
    • (0 reviews)
      # 503689432
      Ford Aerostar with 10 Bolt 1991, 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
      $106.76 - $120.77
    • (0 reviews)
      # 503423531
      Ford Aerostar with Open Differential with 8.8" Series Axle with 10 Bolt 1991, Rear Mini Spool by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $81.49
    • (0 reviews)
      # 197711181
      Ford Aerostar 1991, 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 - $31.27
    • (0 reviews)
      # mpn2741037446
      Ford Aerostar with Ford 8.8" Series Axle 1991, 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)
      # mpn2741036323
      Ford Aerostar with GM 8.875" Series Axle with 12 Bolt 1991, Rear Differential Spool Bearing Kit by Richmond®. Richmond Gear Differential Installation Kits are a must have when overhauling an axle or replacing a ring & pinion set....
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $34.03
    • (0 reviews)
      # 742324401
      Ford Aerostar with Open Differential with Ford 8.8" Series Axle 1991, Rear Mini Spool by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $100.35
    • (0 reviews)
      # 742123795
      Ford Aerostar with 45 Degree Pressure Angle Axles with C-Clip Eliminator Kit with Ford 8.8" Series Axle 1991, Rear Spool by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $195.90
    • (0 reviews)
      # 503570073
      Ford Aerostar 1991, Differential Bearing Race Driver 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
      $111.18 - $120.06
    • (0 reviews)
      # 503446367
      Ford Aerostar 1991, Differential Bearing Race Punch 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...
      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)
      # 503544406
      Ford Aerostar 1991, Differential Carrier Bearing Puller 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...
      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)
      # 503426046
      Ford Aerostar with Trac Loc Locker 1991, 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $109.27 - $171.24
    • (0 reviews)
      # 503478300
      Ford Aerostar 1991, 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 component...
      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
      $2.53 - $42.21
    • (0 reviews)
      # 503679216
      Ford Aerostar 1991, 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 vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.21 - $7.00
    • (0 reviews)
      # 503509556
      Ford Aerostar 1991, 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 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
      $4.16 - $5.43
    • (0 reviews)
      # 503659020
      Ford Aerostar 1991, Differential Pinion Mighty Seal by Yukon Gear & Axle®. Yukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life. Yukon Gear & Axle manufactures a...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.63 - $16.46
    • (0 reviews)
      # 503582194
      Ford Aerostar 1991, Differential Pinion Nut by Yukon Gear & Axle®. Yukon heavy duty pinion supports feature upgraded materials and a larger design than OEM to provide heavy duty strength in racing and off-road applications.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $6.65
    • (0 reviews)
      # 503357525
      Ford Aerostar 1991, Differential Seal Puller 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...
      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)
      # 503298045
      Ford Aerostar 1991, Differential Spring 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 component that...
      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
      $25.71 - $34.65
    • (0 reviews)
      # mpn730928738
      Ford Aerostar AWD with Dana 28 Series Axle 1991, Front Differential Housing Spreader by Yukon Gear & Axle®. Yukon Gear and Axle offers a full line of top quality differential tools to save time and money. Safely & easily allows proper...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $426.59
    • (0 reviews)
      # 503607419
      Ford Aerostar AWD 1991, Front Differential Oil Baffle 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
      $1.40 - $36.35
    • (0 reviews)
      # mpn730927503
      Ford Aerostar AWD with Independent Front Suspension with AMC 35 Series Axle with Reverse Rotation 1991, Front Differential Roll Pin by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle...
      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
      $1.75
    • (0 reviews)
      # mpn730924425
      Ford Aerostar AWD with Independent Front Suspension with AMC 35 Series Axle with Reverse Rotation 1991, Front Outer Differential Dust Shield by Yukon Gear & Axle®. 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
      $1.78
    • (0 reviews)
      # 503685376
      Ford Aerostar 1991, Outer Differential Oil Slinger 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, pinion nuts and washers, axle...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $0.83 - $3.54
    • (0 reviews)
      # 742334410
      Ford Aerostar with Ford 7.5" Series Axle 1991, Rear Axle C-Clip 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, pinion nuts and...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $3.61 - $23.21
    • (0 reviews)
      # mpn730924872
      Ford Aerostar with Posi Differential with Ford 7.5" Series Axle 1991, 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
      $3.46
    • (0 reviews)
      # mpn730928720
      Ford Aerostar with Ford 7.5" Series Axle 1991, Rear Differential Cross Pin Bolt Extractor Kit by Yukon Gear & Axle®. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform...
      Easily removes a broken cross pin bolt from a carrier caseDesigned to deliver trouble-free, consistent performance
      $46.60
    • (0 reviews)
      # mpn730849221
      Ford Aerostar with Ford 7.5" Series Axle 1991, 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 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
      $49.59
    • (0 reviews)
      # mpn730928910
      Ford Aerostar with Ford 7.5" Series Axle 1991, Rear Differential Multi-Shim Driver 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...
      Allows for easier carrier shim installation without damaging carrier shimsEnables you to keep your engine in the powerband for more giddy-up and high speed
      $101.68
    • (0 reviews)
      # mpn730927358
      Ford Aerostar with Standard Open Differential with Ford 7.5" Series Axle 1991, Rear Differential Side Gear Thrust Washer by Yukon Gear & Axle®. 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
      $9.54
    • (0 reviews)
      # mpn730849211
      Ford Aerostar with Ford 7.5" Series Axle 1991, 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 set up....
      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)
      # mpn730853388
      Ford Aerostar with Ford 7.5" Series Axle 1991, 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...
      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)
      # 503409380
      Ford Aerostar 1991, 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, pinion nuts and washers, axle studs, thrust...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $0.65 - $1.58





    1991 Ford Aerostar Models
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