1991 Chevrolet Astro Differentials

Essential 1991 Chevrolet Astro Differentials

Powertrax – Lock Right Locker (Part No.1921-LR)

Lock Right Locker

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$368.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • See More

    Yukon Gear – Bearing Race Driver (Part No.56016)

    Bearing Race Driver

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    $188.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits HM89210 race
    • All steel construction
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    Yukon Gear – Standard Open Spider Gear Kit For Early 7.5" GM With 26 Spline Axles And Large Windows (Part No.16048)

    Standard Open Spider Gear Kit For Early 7.5" GM With 26 Spline Axles And Large Windows

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    $149.99
    Yukon standard open spider gear kit for early 7.5″ GM with 26 spline axles and large windows. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fits GM 7.5″ open differential with 26 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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    Yukon Gear – Adapter Sleeve Fro GM 7.2", 7.625" & 8.0" Yokes To Use Triple Lip Pinion Seal (Part No.41210)

    Adapter Sleeve Fro GM 7.2", 7.625" & 8.0" Yokes To Use Triple Lip Pinion Seal

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    $25.99
    Yukon 4340 Chrome-Moly replacement outer stub for D44 ’87-’94 Wrangler with a length of 8.31″ and 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

    Product Features:
    • 27 spline
    • 8.31″ long
    • Fits Dana Spicer 30 in 1987-1994 Wrangler
    • Outer stub
    • 5-760X U-joint size
    • 4340 Chromoly
    • For WARN hub conversion only
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    Yukon Gear – Bearing Install Kit For ’98 And Newer GM S10 And S15 IFS Differential (Part No.11060)

    Bearing Install Kit For '98 And Newer GM S10 And S15 IFS Differential

    from

    $389.99
    Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.

    Product Features:
    • Fits 1998 and up GM 7.2″ IFS
    • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve, marking compound and brush.
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    Motive Gear – Differential Mini Spool (Part No.MS7.5-26)

    Differential Mini Spool

    from

    $98.99
    Motive Gear Mini-Spools replace your stock spider and side gears with a solid billet mini-spool for 100% traction to both wheels. Not recommended for street applications.

    Product Features:
    • Billet construction
    • Not recommended for street applications
    • GM7.5″ MINI SPOOL 26 SPLINE
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    Yukon Gear – Differential Cover B (Part No.33572)

    Differential Cover B

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    $7.99
    Differential Cover B

    Yukon Gear – Standard Open Carrier Case, GM 7.625", 3.23 & Up (Part No.20102)

    Standard Open Carrier Case, GM 7.625", 3.23 & Up

    from

    $481.99
    7.625″ GM standard Open case, 3.23 & up, Large & SM windows, loaded. 28 Spline.

    Product Features:
    • Standard open carrier case and spiders
    • 7.5″ & 7.625″ 28 spline applications
    • 3.23 and up ratio only
    • Large and Small windows
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    Yukon Gear – 14 Plate Dura Grip Composite Clutches, GM 7.5 (Part No.16119)

    14 Plate Dura Grip Composite Clutches, GM 7.5

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    $202.99
    14 plate DURAGRIP COMPOSITE clutches, GM 7.5.

    Product Features:
    • Clutch kit
    • Fits GM 7.5″ and 7.625″ with Dura Grip positraction
    • Steel clutches
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    Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

    Differential Shaft Lock Bolt

    from

    $5.99
    This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
    • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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    USA Standard Gear – Pinion Installation Kit For ’82-’99 GM 7.5" & 7.625" (Part No.60010)

    Pinion Installation Kit For '82-'99 GM 7.5" & 7.625"

    from

    $127.99
    7.5″ & 7.625″ GM 82-99 PINION KIT .

    Product Features:
    • Fits 1982-1999 GM 7.5″ and 7.625″
    • Uses Koyo bearings and races
    • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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    Spectre – GM Differential Cover Camaro/S-10 (Part No.6074)

    GM Differential Cover Camaro/S-10

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    $47.99
    Spectre’s Differential Covers are made to OEM specifications and are triple chrome plated for a lasting shine. Designed to protect the intricate moving parts of the differential, Spectre’s covers add an extra layer of protection to the vehicle’s underside. Featuring a 10-bolt design and includes a gasket, this differential cover is designed to fit 1978 and up Chevy/GM intermediates, 1982 and up Chevy Camaro/Pontiac Firebird, 1993-2002 Chevy Camaro/Pontiac Firebird V6, 1982-2003 Chevy S10/S15/Envoy, 1985-1998 Chevy Astro/GMC Safari, and 1998-2003 Isuzu differentials. Includes 10 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

    Product Features:
    • 10 bolt design cover
    • Includes gasket
    • Triple chrome plated for a lasting shine
    • 10 chrome 5/16 inch -18 x 3/4 inch differential cover bolts included
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    Yukon Gear – 7.5 & 7.625 Standard Open Pinion Gear Thrust Washer (Part No.33390)

    7.5 & 7.625 Standard Open Pinion Gear Thrust Washer

    from

    $8.99
    7.5 & 7.625 Standard Open Pinion gear Thrust Washer.

    Product Features:
    • Pinion gear thrust washer for GM 7.5″ and 7.625″
    • Fits standard open differentials only
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    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
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    Yukon Gear – Minor Install Kit For GM ’83-’97 7.2" IFS Differential (Part No.12048)

    Minor Install Kit For GM '83-'97 7.2" IFS Differential

    from

    $36.99
    Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

    Product Features:
    • Fits GM 7.2″ IFS
    • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
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    Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

    8.5" & 8.2" GM Carrier Installation Kit

    from

    $109.99
    Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

    Product Features:
    • Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
    • Includes carrier bearings and races and “super” carrier shim kit
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    Yukon Gear – Mini Spool For GM 7.5" With 26 Spline Axles (Part No.32228)

    Mini Spool For GM 7.5" With 26 Spline Axles

    from

    $277.99
    Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits GM 7.5″ with 26 spline axles
    • Provides 100% traction to both wheels at all times
    • Installs into standard open carrier case
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    Driveworks – Differential Seal (Part No.S-223255)

    Differential Seal

    from

    $7.49
    Product Features:
    • Brand may vary by location
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    Yukon Gear – Clutch Guide For GM 7.5" & 7.6" Dura Grip (Part No.33251)

    Clutch Guide For GM 7.5" & 7.6" Dura Grip

    from

    $10.99
    Product Features:
    • Clutch guide
    • Fits GM 7.5″ and 7.625″ Dura Grip
    See More

    Yukon Gear – Cross Pin Shaft For 7.2" GM (Part No.33403)

    Cross Pin Shaft For 7.2" GM

    from

    $51.99
    Cross pin shaft for 7.2″ GM.

    Product Features:
    • Cross pin shaft
    • Fits GM 7.2″ IFS
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    Yukon Gear – Pinion Nut (Part No.33152)

    Pinion Nut

    from

    $9.99
    Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

    Product Features:
    • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
    • 7/8″ x 14 thread
    • 1 1/4″ socket
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    Yukon Gear – The Carrier Bearing Puller (Part No.56072)

    The Carrier Bearing Puller

    from

    $883.99
    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

    Product Features:
    • Carrier bearing puller
    • Works with an impact gun to safely and easliy remove carrrier bearings
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    Yukon Gear – GM 7.2" IFS Ring Gear Bolt (Part No.33048)

    GM 7.2" IFS Ring Gear Bolt

    from

    $7.99
    GM 7.2″ IFS Ring Gear bolt. 7/16″ x 20.

    Product Features:
    • Ring gear bolt
    • Fits GM 7.2″ IFS
    • 7/16″ x 20
    See More

    Powertrax – Lock Right Locker (Part No.1931-LR)

    Lock Right Locker

    from

    $444.99
    The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • See More

    Yukon Gear – Crush Sleeve Eliminator Kit For GM 7.5" & 8.2" (Part No.55047)

    Crush Sleeve Eliminator Kit For GM 7.5" & 8.2"

    from

    $52.99
    Product Features:
    • Crush sleeve eliminator kit for GM 7.5″, 7.625″ and 8.2″
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    Felpro – DIFFERENTIAL GASKET (Part No.RDS 55072)

    DIFFERENTIAL GASKET

    from

    $7.99
    Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Unsurpassed quality you can trust
    • Validated for fit, form and function
    • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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    Yukon Gear – Pinion Nut Washer (Part No.33167)

    Pinion Nut Washer

    from

    $14.99
    Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

    Product Features:
    • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
    See More

    Yukon Gear – 1541H Alloy Left Hand Rear Axle For GM 7.5" Astro Van With 28 Splines (Part No.21274)

    1541H Alloy Left Hand Rear Axle For GM 7.5" Astro Van With 28 Splines

    from

    $241.99
    Yukon 1541H alloy left hand rear axle for GM 7.5″ Astro van with 28 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a C-clip axle.

    Product Features:
    • 28 spline
    • 5 lug
    • 34 7/8″ long
    • Fits GM 7.625″ in 1990-2002 Astro Van
    • Left hand side
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    1991 Chevrolet Astro Differentials

    Maybe you’re in the middle of a full rebuild of that 1991 Chevrolet Astro. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 168 different Differentials in our inventory ranging from $1.99 to $1,014.99. That means you can find the exact parts or products you need to keep that 1991 Chevrolet Astro running smoothly.

    Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Chevrolet Astro. National, Felpro, and Idemitsu are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

    We know you’ll find the perfect Differentials for your 1991 Chevrolet Astro, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 352 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 4.8 stars and Bearings with 5.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1991 Chevrolet Astro rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

    Differentials Brands To Make Your 1991 Chevrolet Astro Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Chevrolet Astro demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Astro the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular Felpro Differentials

    We carry Felpro parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1991 Chevrolet Astro, our most popular Felpro Differentials include:
    DIFFERENTIAL GASKET
    from $7.99
    (45)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    Top 1991 Chevrolet Astro Differentials from National

    National products are another trusted brand when it comes to Differentials for your 1991 Chevrolet Astro. Popular National parts include:
    Bearings
    from $17.99
    (36)
    Bearings
    Differential Bearings
    Bearings
    from $16.99
    (25)
    Bearings
    Differential Bearings
    Multi Purpose Seal
    from $15.99
    (4)
    Multi Purpose Seal
    Differential Pinion Seals

    FAQs for 1991 Chevrolet Astro Differentials

    What are the most purchased Differentials for the 1991 Chevrolet Astro?

    Out of 168 Differentials for the 1991 Chevrolet Astro, the most popular in our inventory are:
    Type HP Automatic Transmission Fluid - 1 qt
    from $13.79
    (3)
    Type HP Automatic Transmission Fluid – 1 qt
    Differential Oil
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    Differential Pinion Shaft Lock Bolts
    Rear Differential Cover
    from $20.99
    (38)
    Rear Differential Cover
    Differential Covers

    What are the top-rated 1991 Chevrolet Astro Differentials?

    Top-rated Differentials for your 1991 Chevrolet Astro based on customer reviews/ratings are:
    Differential Carrier Gear Kit
    from $159.99
    (6)
    Differential Carrier Gear Kit
    “perfick fit for 01 blazer !!!!”
    Bearings
    from $10.49
    (2)
    Bearings
    “Reasonable price and woks well. front diff 2006 Escalade esv”
    Wheel Bearing and Seal Kit
    from $151.99
    (2)
    Wheel Bearing and Seal Kit
    “All you need to overhaul a diff, at a good price”