1990 GMC S15 Jimmy Differentials

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Keep Your 1990 GMC S15 Jimmy in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1990 GMC S15 Jimmy looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Differential Bearings, and Rear Housing Cover Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Dorman, and Valvoline. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Dorman and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 618 reviews and a solid 4 star average, you can shop with confidence knowing other GMC S15 Jimmy owners approve.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1990 GMC S15 Jimmy in peak condition, inside and out.

Essential 1990 GMC S15 Jimmy Differentials

Motive Gear – Differential Pinion Shim Kit (Part No.1104)

Differential Pinion Shim Kit

from

$12.99


Product Features:
  • KIT SHIM
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National – Shaft Repair Sleeve (Part No.99193)

Shaft Repair Sleeve

from

$43.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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Pro-King – Differential Cross Shaft (Part No.741A673)

Differential Cross Shaft

from

$18.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

Yukon Gear – Standard Open Spider Gear Kit For Late 7.625" GM With 28 Spline Axles (Part No.16049)

Standard Open Spider Gear Kit For Late 7.625" GM With 28 Spline Axles

from

$187.99
Yukon standard open spider gear kit for late 7.625″ GM with 28 spline axles and large and small 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 7.625″ open differential with 28 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Dorman – Help – Pinion Crush Sleeves (Part No.81058)

Pinion Crush Sleeves

from

$6.99
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
  • Required replacement – when servicing the differential
  • 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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Motive Gear – Differential Spool (Part No.FS10-30)

Differential Spool

from

$187.99


Product Features:
  • FULL SPOOL GM 8.5 30 SPL ST MUST USE 2-LM102911 & 2-LM102949
See More

Yukon Gear – Bearing Race Driver (Part No.56023)

Bearing Race Driver

from

$219.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M88010 race
  • All steel construction
See More

Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$6.79
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
See More

Powertrax – No-Slip Traction System (Part No.9207853005)

No-Slip Traction System

from

$544.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. 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

    Pro-King – Differential Carrier Cover (Part No.741A758)

    Differential Carrier Cover

    from

    $29.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    Product Features:
    • Includes three quarts of Redline Shockproof oil
    See More

    Richmond Gear – RngPnnInstlKt (Part No.83-1044-M)

    RngPnnInstlKt

    from

    $218.99
    RngPnnInstlKt

    Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

    from

    $8.99
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Yukon Gear – 1541H Alloy Rear Axle For GM 7.5" Rear, 26 Spline, 26 7/8" Long, ’83-’93 S10 (Part No.21249)

    1541H Alloy Rear Axle For GM 7.5" Rear, 26 Spline, 26 7/8" Long, '83-'93 S10

    from

    $304.99
    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:
    • Fits 1983-1993 S10 with two wheel drive
    • 26 spline
    • 26 7/8″ long
    See More

    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
    See More

    Motive Gear – Differential Gear Install Kit (Part No.GM7.5IK)

    Differential Gear Install Kit

    from

    $49.99


    Product Features:
    • MINI INSTALL KIT GM 7.5
    See More

    ATP – Remanufactured Front Differential Assembly (Part No.111503)

    Remanufactured Front Differential Assembly

    from

    $3290.00
    Brand new units are no longer available. ATP’s fully remanufactured differentials offer the best alternative to bench rebuilding or buying used. They are carefully inspected and totally reconditioned to meet original specifications and include new bearings and seals. Our units are ready to install, just add oil.

    Product Features:
    • Ready to install, just add oil
    • Totally reconditioned
    • New bearings
    See More

    Motive Gear – Differential Mini Spool (Part No.MS10-28)

    Differential Mini Spool

    from

    $98.99


    Product Features:
    • MINI SPOOL GM 10 BOLT 8 1/2″ 28 SPLINE
    See More

    Yukon Gear – Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up (Part No.20106)

    Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up

    from

    $399.99
    GM 7.5″ & 7.6″ DURA GRIP case, bare, 3.23 & up, 26spline & 28spline.

    Product Features:
    • Dura Grip positraction carrier case
    • Does not include spider gears
    • Fits GM 7.5″ and 7.625″
    • 3.23 and up ratios only
    See More

    Motive Gear – Ring Gear Bolt (Part No.14066913)

    Ring Gear Bolt

    from

    $2.99


    Product Features:
    • RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND
    See More

    Motive Gear – Differential Ring and Pinion (Part No.GM10-342A)

    Differential Ring and Pinion

    from

    $234.99


    Product Features:
    • GM 10BL 8.5 R/P 3.42A MG FRT/REAR
    See More

    Yukon Gear – Standard Open Pinion Gear And Thrust Washer For 7.2" GM (Part No.33376)

    Standard Open Pinion Gear And Thrust Washer For 7.2" GM

    from

    $7.99
    Standard open pinion gear thrust washer for 7.2″ GM.

    Product Features:
    • Pinion gear thrust washer
    • Fits GM 7.2″ IFS
    See More

    National – Bearing Race (Part No.LM501314)

    Bearing Race

    from

    $11.99
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways for even load distribution
    • OE-STYLE DESIGN – Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Energy Suspension – Differential Carrier Bracket Bushing Set (Part No.3.1105R)

    Differential Carrier Bracket Bushing Set

    from

    $32.99
    Product Features:
    • Made of Superior Hyper-Flex+ Material
    See More

    Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

    Taper Bearing Cone

    from

    $10.99
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    National – Multi-Purpose Bearing (Part No.A-6)

    Multi-Purpose Bearing

    from

    $16.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
    • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN — Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Pro-King – Differential Internal Nest Kit (Part No.741A717A)

    Differential Internal Nest Kit

    from

    $155.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

    Most Popular Differential Covers for 1990 GMC S15 Jimmies

    Enhance your 1990 GMC S15 Jimmy with one of the 4 Differential Covers we have in stock, starting at just $24.99.

    Dorman – Differential Cover (Part No.697-701)

    Differential Cover

    from

    $24.99
    This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

    Product Features:
    • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
    • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
    • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
    • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
    See More

    ATP – DIFF COVER KIT (Part No.111102)

    DIFF COVER KIT

    from

    $29.99
    DIFF COVER KIT

    ATP – DIFF COVER KIT (Part No.111101)

    DIFF COVER KIT

    from

    $35.99
    DIFF COVER KIT

    Pro-King – Differential Carrier Cover (Part No.741A758)

    Differential Carrier Cover

    from

    $29.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

    Best-Selling 1990 GMC S15 Jimmy Differential Bearings

    Upgrade your S15 Jimmy with one of our 4 best-selling Differential Bearings, earning an average 4.83 stars rating across 64 reviews.

    National – Multi-Purpose Bearing (Part No.A-6)

    Multi-Purpose Bearing

    from

    $16.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
    • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN — Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

    Taper Bearing Cone

    from

    $10.99
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    National – Multi-Purpose Bearing (Part No.A-18)

    Multi-Purpose Bearing

    from

    $17.99
    Product Features:
    • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN: Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    National – Multi-Purpose Bearing (Part No.206)

    Multi-Purpose Bearing

    from

    $24.99
    Product Features:
    • BUILT TO LAST: Advanced heat treatment process for strength
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
    • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
    • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Top-Quality Rear Housing Cover Gaskets for 1990 GMC S15 Jimmies

    Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for GMC S15 Jimmies and enjoy top-notch performance from $8.99.

    Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

    from

    $8.99
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Top Picks for 1990 GMC S15 Jimmy Differential Oil

    Invest in one of our 6 durable Differential Oil for your 1990 GMC, knowing you’re getting trusted brands and expert craftsmanship.

    Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

    from

    $35.99
    Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

    Product Features:
    • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
    • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
    See More

    Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

    3 Qt - 80W90 Conventional Gear Oil With Posi Additive

    from

    $57.99
    3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

    Product Features:
    • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
    See More

    Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

    3 Qt - Penzoil 80W90 Conventional Gear Oil

    from

    $44.99
    3 Qt. Penzoil 80W90 conventional gear Oil.

    Product Features:
    • Includes three quarts of conventional oil
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

    Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

    from

    $148.99
    Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    Product Features:
    • Includes three quarts of Redline Shockproof oil
    See More

    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
    See More

    Differential Axle Shafts for 1990 GMC S15 Jimmies

    Make a smart move for your 1990 GMC S15 Jimmy with products all priced from $127.99 to $304.99.

    Dorman – Axle Shaft (Part No.630-124)

    Axle Shaft

    from

    $282.99
    This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

    Product Features:
    • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
    • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
    • Durable construction – designed to rigorous standards and tested to ensure performance
    • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
    See More

    Yukon Gear – 1541H Alloy Rear Axle For GM 7.5" Rear, 26 Spline, 26 7/8" Long, ’83-’93 S10 (Part No.21249)

    1541H Alloy Rear Axle For GM 7.5" Rear, 26 Spline, 26 7/8" Long, '83-'93 S10

    from

    $304.99
    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:
    • Fits 1983-1993 S10 with two wheel drive
    • 26 spline
    • 26 7/8″ long
    See More

    Yukon Gear – 1541H Alloy Rear Axle For ’88-’97 GM 7.5" S10 2WD (Non-ABS) (Part No.21265)

    1541H Alloy Rear Axle For '88-'97 GM 7.5" S10 2WD (Non-ABS)

    from

    $234.99
    Yukon 1541H alloy rear axle for ’88-’97 GM 7.5″ S10 2WD (non-ABS) with a length of 26-7/8 inches and 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:
    • Fits 1988-1997 S10 with two wheel drive
    • 28 spline
    • 26 7/8″ long
    • Not compatible with ABS applications
    See More

    Pro-King – Rear Axle Shaft Kit (Part No.AXK-235)

    Rear Axle Shaft Kit

    from

    $229.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.

    Product Features:
    • Meets or exceeds OE specifications
    • Dual heat treating process
    See More

    Dorman – Rear Axle Shaft, Left Or Right (Part No.630-124A)

    Rear Axle Shaft, Left Or Right

    from

    $140.99
    Axle shaft damaged or bearings worn out. This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

    Product Features:
    • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
    • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
    • Durable construction – designed to rigorous standards and tested to ensure performance
    • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
    See More

    Dorman – Rear Axle Shaft, Left Or Right (Part No.630-103A)

    Rear Axle Shaft, Left Or Right

    from

    $139.99
    This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

    Product Features:
    • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
    • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
    • Durable construction – designed to rigorous standards and tested to ensure performance
    • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
    See More

    Motive Gear – Axle Shaft (Part No.26013882)

    Axle Shaft

    from

    $127.99
    The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

    Product Features:
    • AXLE SHAFT 88-94 TRUCK 4WD NON ABS, L/R SIDE=7.6, 28SP, 29″
    See More

    Top-Rated Differential Brands For Your 1990 GMC S15 Jimmy

    When it comes to finding the perfect Differential for your 1990 GMC S15 Jimmy, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 trusted brands. We carry the most popular Differential brands including Valvoline, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $6.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1990 GMC S15 Jimmy, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Valvoline 1990 GMC S15 Jimmy Differentials

    If you’re looking for a top-quality Differential for your 1990 GMC S15 Jimmy, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $35.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1990 GMC S15 Jimmy come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
    from $35.99
    (446)
    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
    “Good quality great price”

    Top-Quality National 1990 GMC S15 Jimmy Differentials

    For those in search of a high-quality Differential for their 1990 GMC S15 Jimmy, Advance Auto Parts offers a great selection of National Differentials. With 3 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $11.99, with an average price of $60.32, giving you a range of options to suit your budget. Backed by over 29 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Bearing Race
    from $11.99
    (2)
    Bearing Race
    “Reasonable price and woks well. front diff 2006 Escalade esv”
    Axle Differential Bearing & Seal Kit
    from $151.99
    (2)
    Axle Differential Bearing & Seal Kit
    “All you need to overhaul a diff, at a good price”
    Multi-Purpose Bearing
    from $16.99
    (25)
    Multi-Purpose Bearing
    “Smooth”

    FAQs for 1990 GMC S15 Jimmy Differentials

    What are the best-selling Differentials for 1990 GMC S15 Jimmies?

    Out of 112 Differentials that fit 1990 GMC S15 Jimmies, the following parts are the top sellers:

    What’s the price range for 1990 GMC S15 Jimmy Differentials?

    The prices of Differentials for the 1990 GMC S15 Jimmy range from $2.49 up to $2,219.99 for the most premium parts.

    What is the average price of a Differential for a 1990 GMC S15 Jimmy?

    The average price for Differentials for the 1990 GMC S15 Jimmy is $415.17. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

    Does Advance Auto Parts sell Differentials for other GMC S15 Jimmy model years?

    Yes, we carry Differentials for 10 model years of GMC S15 Jimmies between 1983 and 1994. The following model years are the most popular for Differential purchases: 1994, 1993, 1992, 1991, 1989, 1988, 1987, 1986, and 1985.

    What are the cheapest Differentials for my 1990 GMC S15 Jimmy?

    The cheapest 1990 GMC S15 Jimmy Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1990 GMC models?

    Yes. We stock Differentials for 26 other popular 1990 GMC models. Some of the most popular are 1990 Jimmy Differentials, 1990 K2500 Differentials, 1990 C2500 Differentials, 1990 K1500 Differentials, and 1990 C1500 Differentials.

    What types of Differentials do you sell for my 1990 GMC S15 Jimmy?

    As of 3/1/26, these are some of the most in-demand types of Differentials for a 1990 GMC S15 Jimmy:

    Can I get help with 1990 GMC S15 Jimmy Differential orders?

    Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Differentials and more.

    What is your return policy for GMC S15 Jimmy Differentials?

    Advance Auto Parts keeps returns simple. For new GMC S15 Jimmy Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.