1991 Chevy Astro Differentials & Components

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    • (0 reviews)
      # 531093408
      Chevy Astro with 7.5" Ring Gear / with 7.6" Ring Gear with 26 Spline Axle Shaft 1991, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $115.44 - $168.95
    • (0 reviews)
      # 531198702
      Chevy Astro 1991, 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 bearings, and all feature...
      Designed to effectively reduce frictionUltimate load handling capability
      $65.47 - $118.41
    • (0 reviews)
      # mpn2412740
      Chevy Astro with 7.5" Ring Gear 1991, Rear Differential Bearing Kit by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary components for installation of the Differential Ring and Pinion readily on hand....
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $116.95
    • (0 reviews)
      # 531197806
      Chevy Astro 1991, Differential Pinion 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 design,...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.43 - $16.16
    • (0 reviews)
      # 531068532
      Chevy Astro 1991, 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 opt for a highly durable part...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.74 - $8.27
    • (0 reviews)
      # 531138855
      Chevy Astro 1991, 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, ensuring...
      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
      $8.76 - $9.24
    • (0 reviews)
      # 531187386
      Chevy Astro 1991, 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 that...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.21 - $4.37
    • (0 reviews)
      # mpn2017989
      Chevy Astro AWD 1991, Front Differential Bearing Set 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
      $6.07
    • (0 reviews)
      # mpn2035563
      Chevy Astro 1991, 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 design,...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.11
    • (0 reviews)
      # mpn2377090
      Chevy Astro with 7.5" Ring Gear / with 7.625" Ring Gear 1991, Differential Crush Sleeve by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain optimal...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.84
    • (0 reviews)
      # 531099129
      Chevy Astro 1991, Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt effectively retains the pinion shaft to the rear differential. The Bolt is recommended...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.74
    • (0 reviews)
      # 531149646
      Chevy Astro 1991, GM Original Equipment™ Differential Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $27.90 - $34.24
    • (0 reviews)
      # 531105532
      Chevy Astro 1991, GM Original Equipment™ Differential Magnet by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.39 - $5.89
    • (0 reviews)
      # 531188235
      Chevy Astro 1991, GM Original Equipment™ Differential Pinion Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $28.08 - $39.02
    • (0 reviews)
      # 531085393
      Chevy Astro 1991, GM Original Equipment™ Differential Pinion Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.67 - $15.22
    • (0 reviews)
      # 531088233
      Chevy Astro with GM Series Axle 1991, Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $6.15 - $7.78
    • (0 reviews)
      # 531048689
      Chevy Astro with GM Series Axle 1991, Axle Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $85.97 - $102.80
    • (0 reviews)
      # 531132128
      Chevy Astro with GM Series Axle 1991, 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 ensure...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.08 - $42.83
    • (0 reviews)
      # 531086626
      Chevy Astro with GM Series Axle 1991, 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 original...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $3.57 - $8.34
    • (0 reviews)
      # 531053693
      Chevy Astro with GMC Transmission 1991, Outer 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
      $19.02
    • (0 reviews)
      # 531053566
      Chevy Astro with GM Series Axle 1991, Outer 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,...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $9.45 - $9.60
    • (0 reviews)
      # mpn1074425
      Chevy Astro with 7.625" Ring Gear with GMC Transmission 1991, Rear Axle Differential Bearing Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # mpn273481
      Chevy Astro AWD 1991, Front Differential Bearing by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles...
      OE quality products from top original equipmentTop quality materials
      $8.61
    • (0 reviews)
      # mpn4517170368
      Chevy Astro with 3.23 and Up Gear Ratio with GM 7.625" Series Axle with 10 Bolt 1991, Rear Differential Carrier by Motive Gear®. Without Internal Kit. Location: Rear. All Motive Gear products are engineered for their specific...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $102.88
    • (0 reviews)
      # 742382427
      Chevy Astro with GM 7.5" Series Axle with 10 Bolt 1991, 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...
      Central contact patternCNC start to finish
      $221.11 - $259.17
    • (0 reviews)
      # mpn4517172536
      Chevy Astro with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1991, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Pro Gear ring and pinions are perfect for dedicated racing or...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $448.50
    • (0 reviews)
      # 503297315
      Chevy Astro 1991, 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 strength, quality, and...
      Quiet operationComputer controlled heat treatment
      $187.60 - $241.63
    • (0 reviews)
      # 1029362503
      Chevy Astro with 10 Bolt 1991, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a 100%-automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $774.70 - $823.62
    • (0 reviews)
      # 1028905965
      Chevy Astro with 10 Bolt 1991, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling...
      Helical-style pinion gearsLimited-slip operation
      $468.12 - $496.94
    • (0 reviews)
      # mpn4517168180
      Chevy Astro with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.31" Axle Shaft Diameter 1991, ELocker™ Rear Differential by Eaton®. Location: Rear. The Eaton ELocker is an electronic, selectable differential...
      Selectable 'push-button' operationPositive-electronic locking mechanism
      $940.02
    • (0 reviews)
      # 1028917956
      Chevy Astro with 10 Bolt 1991, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central...
      Superior rebuildable designRace-bred carbon friction discs
      $478.79 - $487.18
    • (0 reviews)
      # 503607167
      Chevy Astro 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
      $262.49 - $426.27
    • (0 reviews)
      # mpn4517172801
      Chevy Astro with 26 Spline with 3.23 and Up Gear Ratio GM 7.6" Series Axle / with GM 7.5" 1991, Rear Dura Grip 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
      $254.96
    • (0 reviews)
      # mpn4517166771
      Chevy Astro with 26 Spline with 3.23 and Up Gear Ratio GM 7.6" Series Axle / with GM 7.5" 1991, Rear Dura Grip Positraction by Yukon Gear & Axle®. Location: Rear. The Yukon Dura Grip an example of the popular clutch plate limited slips...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $521.31
    • (0 reviews)
      # 503695407
      Chevy Astro 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
      $210.05 - $316.30
    • (0 reviews)
      # mpn4517171632
      Chevy Astro with 28 Spline with GM 7.625" Series Axle with 10 Bolt 1991, Rear Differential Carrier Case by G2 Axle & Gear®. 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
      $89.99
    • (0 reviews)
      # mpn4517169615
      Chevy Astro Z Engine VIN Character with 30 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1991, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. Location: Rear. The...
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # 1029100570
      Chevy Astro Z Engine VIN Character with 10 Bolt 1991, 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...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # 1029121564
      Chevy Astro Z Engine VIN Character with 10 Bolt 1991, 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...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91 - $518.98
    • (0 reviews)
      # 742263489
      Chevy Astro with GM 7.5" Series Axle / with GM 7.625" Series Axle 1991, Rear Ring and Pinion Gear Set by Auburn Gear®. Location: Rear. Dominate the track or hit the trails with condidence 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
      $170.75
    • (0 reviews)
      # mpn4517170836
      Chevy Astro Z Engine VIN Character with 28 Spline with 3.23 and Up Gear Ratio with GM 7.5" Series Axle / with GM 7.625" Series Axle with 10 Bolt 1991, Road Race™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Auburn...
      Expertly crafted from superior materialsProvides exceptional reliability
      $483.48
    • (0 reviews)
      # 503504034
      Chevy Astro 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
      $405.19 - $406.60
    • (0 reviews)
      # 742046716
      Chevy Astro with Open Differential with 10 Bolt 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...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $418.28
    • (0 reviews)
      # mpn4517168514
      Chevy Astro with 28 Spline with 3.23 and Up Gear Ratio with GM 7.625" Series Axle 1991, 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...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $457.67
    • (0 reviews)
      # 742088721
      Chevy Astro with GM 7.5" Series Axle with 10 Bolt 1991, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $232.75 - $279.10
    • (0 reviews)
      # 126456978
      Chevy Astro 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
      $74.28 - $100.28
    • (0 reviews)
      # 503642614
      Chevy Astro 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 quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $27.08 - $45.48
    • (0 reviews)
      # 126457051
      Chevy Astro 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
      $89.63 - $112.17
    • (0 reviews)
      # mpn4517166233
      Chevy Astro with 26 Spline with GM 7.5" Series Axle with 10 Bolt 1991, Rear Differential Carrier Gear Kit by Motive Gear®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $108.20
    • (0 reviews)
      # 742079710
      Chevy Astro with GM 7.5" Series Axle with 10 Bolt 1991, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $118.93 - $129.62
    • (0 reviews)
      # 742149754
      Chevy Astro with Open Differential with 7.5" Series Axle with 10 Bolt 1991, Rear Mini Spool by Motive Gear®. Location: Rear. 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
      $80.99 - $81.49
    • (0 reviews)
      # 503582032
      Chevy Astro 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 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
      $154.57 - $322.24
    • (0 reviews)
      # 503446474
      Chevy Astro 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
      $201.27 - $310.18
    • (0 reviews)
      # 503444157
      Chevy Astro 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
      $24.55 - $74.15
    • (0 reviews)
      # 503695555
      Chevy Astro 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
      $119.52 - $125.79
    • (0 reviews)
      # mpn4517167244
      Chevy Astro with 26 Spline GM 7.6" Series Axle / with GM 7.5" 1991, Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Location: Rear. Includes: Carrier bearings, races and "super" carrier shim kit. Yukon Carrier installation...
      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
      $67.28
    • (0 reviews)
      # mpn4517167291
      Chevy Astro with 26 Spline GM 7.6" Series Axle / with GM 7.5" 1991, Rear Mini Spool by Yukon Gear & Axle®. Location: Rear. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs...
      Provides 100% traction to both wheels at all timesInstalls into standard open carrier case
      $184.32
    • (0 reviews)
      # 68465238
      Chevy Astro 1991, Spider Gear Set 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 delivers the...
      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
      $101.94 - $186.99
    • (0 reviews)
      # mpn4517170696
      Chevy Astro with GM 7.625" Series Axle with Independent Front Suspension 1991, Rear Differential Installation Kit by G2 Axle & Gear®. Location: Rear. For low mileage vehicles, G2 offers installation kits that have all the same...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $114.99
    • (0 reviews)
      # mpn4517171624
      Chevy Astro with GM 7.625" Series Axle with Independent Front Suspension 1991, Rear Differential Master Installation Kit by G2 Axle & Gear®. Location: Rear. G2’s master installation kits come complete with everything you need to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $195.99




    1991 Chevy Astro Models


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