1990 GMC C1500 Differentials

Keep Your 1990 GMC C1500 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 C1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Rear Differential Cover Gaskets, and Differential Oil. 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 Motive Gear, National, and Dorman. For example, Motive Gear Differentials start at just $3.49 with an average 4.0 star rating. National and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 2,892 reviews and a solid 4 star average, you can shop with confidence knowing other GMC C1500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1990 GMC C1500 Differential at Advance Auto Parts is around $338.99, with a range that starts at $1.99 and goes up to $2,309.99. With 292 options in stock from 16 trusted brands, finding the right fit is easy. Popular picks like DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon, DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, and Bearings start at just $14.49 and offer a great balance of form and function.

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 C1500 in peak condition, inside and out.

Essential 1990 GMC C1500 Differentials

Yukon Gear – Pinion Install Kit For GM 8.5" Differential (Part No.13069)

Pinion Install Kit For GM 8.5" Differential

from

$173.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with 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 pinion gear.

Product Features:
  • Fits GM 8.5″ rear
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Differential Carrier (Part No.57015)

Differential Carrier

from

$251.99
Differential Carrier

Powertrax – Lock Right Locker (Part No.1910-LR)

Lock Right Locker

from

$376.99
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

    Motive Gear – Differential Carrier Shim Kit (Part No.GM9.5SSK)

    Differential Carrier Shim Kit

    from

    $21.99


    Product Features:
    • KIT SHIM SIDE 9.5″ GM
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    Yukon Gear – Positraction Clutch Guide (Part No.33352)

    Positraction Clutch Guide

    from

    $8.99
    Positraction clutch guide.

    Product Features:
    • Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
    • Compatible with Dura Grip positractions only
    See More

    Yukon Gear – 12P, 12T, CI Vet, & 55GM 8460N Redi Sleeve Yoke Saver (Part No.30225)

    12P, 12T, CI Vet, & 55GM 8460N Redi Sleeve Yoke Saver

    from

    $109.99
    12P, 12T, CI VET, & 55GM 8460N REDI sleeve yoke saver.Yukon Mighty seal.

    Product Features:
    • Pinion Redi-sleeve
    • Fits GM 12 bolt passenger car, 12 bolt truck and 1963-1979 Corvette
    See More

    Pro-King – Differential Cover Plug (Part No.742G484)

    Differential Cover Plug

    from

    $6.59
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
    See More

    USA Standard Gear – Master Overhaul Kit for the ’79-’97 GM 9.5" Differential (Part No.37062)

    Master Overhaul Kit for the '79-'97 GM 9.5" Differential

    from

    $389.99
    USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

    Product Features:
    • Fits 1997 and down GM 9.5″
    • Uses Koyo bearings and races
    • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
    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

    Yukon Gear – Crush Sleeve For GM 7.6" IRS, 8.5", 8.6", 8.75", 8.875" & Nissan Titan Rear – Approx 0.620" Long (Part No.33097)

    Crush Sleeve For GM 7.6" IRS, 8.5", 8.6", 8.75", 8.875" & Nissan Titan Rear - Approx 0.620" Long

    from

    $5.99
    Replacement Crush Sleeve for GM 7.6″ IRS, 8.5″, 8.6″, 8.75″, 8.875″ & Nissan Titan rear. Approx 0.620″ long.

    Product Features:
    • Crush sleeve for Jeep JK rear, GM 7.6″ IRS, 8.5″ and 8.6″ and Nissan Titan rear
    • 0.620″ tall
    See More

    Powertrax – Grip LS Traction System (Part No.LS201030)

    Grip LS Traction System

    from

    $503.99
    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!
    See More

    Yukon Gear – Mini Spool For GM 12 Bolt Car & Truck With 30 Spline Axles (Part No.32227)

    Mini Spool For GM 12 Bolt Car & Truck With 30 Spline Axles

    from

    $194.99
    Mini Spool for GM 12P and 12T with 30 spline axles. 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 12 bolt passenger car and truck
    • Provides 100% traction to both wheels at all times
    • Installs into standard open carrier case
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    Yukon Gear – Positraction Internals For GM 12 Bolt Car And Truck With 30 Spline Axles (Part No.16039)

    Positraction Internals For GM 12 Bolt Car And Truck With 30 Spline Axles

    from

    $425.99
    Yukon positraction internals (0.806″ diameter) for GM 12P and 12T with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fit GM 12 bolt passenger car and truck Dura Grip positraction with 30 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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    Motive Gear – Differential Pinion Shim Kit (Part No.1102)

    Differential Pinion Shim Kit

    from

    $9.49


    Product Features:
    • KIT SHIM PINION
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    Yukon Gear – Dura Grip Positraction For GM 9.5" With 33 Spline Axles (Part No.26025)

    Dura Grip Positraction For GM 9.5" With 33 Spline Axles

    from

    $1025.00
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

    Product Features:
    • Fits GM 9.5″
    • 4-spring, clutch style positraction
    • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
    • Fully rebuildable
    • Assembled in the USA
    See More

    Spectre – W3 Diff Cover 10 Bolt (Part No.60703)

    W3 Diff Cover 10 Bolt

    from

    $39.99
    Spectre 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 including the necessary chrome bolts and gaskets, this differential cover is designed to fit 1964-1972 Chevy/GM intermediates, 1983-1987 Chevy/GMC 1/2 Ton two or four wheel drive rear, and 1967-1972 Chevy Camaros. Includes 10 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

    Product Features:
    • Made exactly to OEM specifications
    • 10-bolt design, includes chrome bolts and 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 – 30 Spline Standard Open Loaded Carrier Case, GM 8.6" (Part No.20098)

    30 Spline Standard Open Loaded Carrier Case, GM 8.6"

    from

    $481.99
    GM 8.6″ 30 spline standard open loaded carrier. Complete differential case with internals.

    Product Features:
    • Standard open carrier case and spiders
    • Fits GM 8.6″
    See More

    Yukon Gear – Differential Cover B (Part No.33572)

    Differential Cover B

    from

    $7.99
    Differential Cover B

    Yukon Gear – Bearing Install Kit For GM 8.5" With HD Differential (Part No.11069)

    Bearing Install Kit For GM 8.5" With HD Differential

    from

    $263.99
    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. This kit is used in 8.5″ differentials using a Yukon Dura Grip, Eaton posi, ValueTrac, True Trac, Pro-Series Auburn, Detroit Locker or standard carrier with large bearing journals.

    Product Features:
    • Fits GM 8.5″ rear with aftermarket positraction
    • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve , marking compound and brush.
    See More

    Yukon Gear – Standard Open Spider Gear Kit For 8.5" GM With 28 Spline Axles (Part No.16054)

    Standard Open Spider Gear Kit For 8.5" GM With 28 Spline Axles

    from

    $217.99
    Yukon standard open spider gear kit for 8.5″ GM with 28 spline axles. 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 8.5″ open differential with 28 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    See More

    Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

    Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

    from

    $59.99
    Product Features:
    • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
    • Interlocking design makes installation much easier
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    Yukon Gear – Standard Open And Positraction Cross Pin Shaft For GM 12T, 12P, And 55T (Part No.33406)

    Standard Open And Positraction Cross Pin Shaft For GM 12T, 12P, And 55T

    from

    $23.99
    Standard Open and positraction cross pin shaft for GM 12T, 12P, and 55T.

    Product Features:
    • Cross pin shaft for GM 12 bolt passenger car and truck
    • Fits standard open and positraction applications
    See More

    National – Bearings (Part No.A-5)

    Bearings

    from

    $17.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Pro-King – Differential Internal Nest Kit (Part No.742G717A)

    Differential Internal Nest Kit

    from

    $179.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
    See More

    Pro-King – Pinion Nut (Part No.740A961)

    Pinion Nut

    from

    $3.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
    See More

    National – Bearings (Part No.JLM506811)

    Bearings

    from

    $18.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Motive Gear – Differential Gear Install Kit (Part No.GM12IK)

    Differential Gear Install Kit

    from

    $69.99


    Product Features:
    • MINI INSTALL KIT GM 12BLT 8.875 TRUCK
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    Motive Gear – Differential Gear Install Kit (Part No.GM9.5IKL)

    Differential Gear Install Kit

    from

    $79.99


    Product Features:
    • MINI INSTALL KIT-GM9.5/CHRY9.25 FRT
    See More

    Most Popular Differential Bearings for 1990 GMC C1500s

    Enhance your 1990 GMC C1500 with one of the 6 Differential Bearings we have in stock, starting at just $5.79.

    National – Bearings (Part No.LM67010)

    Bearings

    from

    $5.79
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    FAG US – CONE (Part No.KJLM506849-A)

    CONE

    from

    $51.99
    CONE

    National – Bearings (Part No.JLM506849A)

    Bearings

    from

    $38.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Pro-King – Differential Axle Bearing (Part No.742G280A)

    Differential Axle Bearing

    from

    $28.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
    See More

    National – Bearings (Part No.JLM506811)

    Bearings

    from

    $18.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Yukon Gear – Cross Pin Bolt (Part No.33067)

    Cross Pin Bolt

    from

    $6.99
    Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

    Product Features:
    • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
    See More

    Best-Selling 1990 GMC C1500 Rear Differential Cover Gaskets

    Upgrade your C1500 with one of our 5 best-selling Rear Differential Cover Gaskets, earning an average 4.5 stars rating across 215 reviews.

    Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

    from

    $9.99
    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
    • 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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    Felpro – Axle Housing Cover Gasket Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55387)

    Axle Housing Cover Gasket Irregular Shaped 14 Bolt Hole Gasket

    from

    $7.99
    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 – 9.5" GM Cover Gasket (Part No.23023)

    9.5" GM Cover Gasket

    from

    $13.99
    9.5″ GM cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 9.5″
    See More

    Pro-King – Differential Cover Gasket (Part No.742G303A)

    Differential Cover Gasket

    from

    $31.49
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
    See More

    Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)

    8.2" & 8.5" Rear Cover Gasket

    from

    $10.99
    8.2″ & 8.5″ rear cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 8.2″, 8.5″ and 8.6″
    See More

    Top-Quality Differential Oil for 1990 GMC C1500s

    Choose a high-quality OEM or aftermarket Differential Oil for GMC C1500s and enjoy top-notch performance from $14.49.

    Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883572)

    DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon

    from

    $38.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, MERCON LV and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • 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

    Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $14.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • 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 – 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

    Top Picks for 1990 GMC C1500 Differential Covers

    Invest in one of our 9 durable Differential Covers for your 1990 Ford, knowing you’re getting trusted brands and expert craftsmanship.

    Dorman – Rear Differential Cover (Part No.697-711)

    Rear Differential Cover

    from

    $55.99
    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

    Dorman – Rear Differential Cover (Part No.697-700)

    Rear Differential Cover

    from

    $32.99
    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

    Yukon Gear – Chrome Cover For 8.6", 8.5" And 8.2" GM Rear (Part No.32017)

    Chrome Cover For 8.6", 8.5" And 8.2" GM Rear

    from

    $74.99
    Chrome cover for 8.6″, 8.5″ and 8.2″ GM rear.

    Product Features:
    • Fits GM 8.2″, 8.5″ and 8.6″
    • Chrome
    See More

    Yukon Gear – Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear (Part No.32030)

    Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear

    from

    $255.99
    Polished aluminum cover for 8.6″, 8.2″ and 8.5″ GM rear.

    Product Features:
    • Fits GM 8.5″ and 8.6″
    • Finned polished aluminum
    See More

    Yukon Gear – Steel Cover For GM 8.2" & 8.5" Rear (Part No.32332)

    Steel Cover For GM 8.2" & 8.5" Rear

    from

    $123.99
    Product Features:
    • Fits GM 8.2″, 8.5″ and 8.6″
    • Steel
    See More

    Yukon Gear – Chrome Cover For 9.5" GM (Part No.32018)

    Chrome Cover For 9.5" GM

    from

    $72.99
    Product Features:
    • Fits GM 9.5″
    • Chrome
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    Yukon Gear – Aluminum Girdle Cover For 8.2" And 8.5" GM Ta HD (Part No.32121)

    Aluminum Girdle Cover For 8.2" And 8.5" GM Ta HD

    from

    $396.99
    Aluminum Girdle cover for 8.2″ and 8.5″ GM TA HD.

    Product Features:
    • Fits GM 8.5″ and 8.6″
    • Aluminum girdle cover
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    Dorman – Differential Cover (Part No.J7019701304DOR)

    Differential Cover

    from

    $41.49
    Dorman’s Differential Cover is engineered for long-lasting protection of the differential. Designed as a direct replacement, a proper fit is assured every time.

    Product Features:
    • Comes with pre-installed magnet in cover
    • Corrosion resistant coating to help prevent rusting
    • Includes high quality rubber fill plug (where applicable)
    • Constructed from durable stamped steel
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    ATP – DIFF COVER KIT (Part No.111101)

    DIFF COVER KIT

    from

    $35.99
    DIFF COVER KIT

    Rear Housing Cover Gaskets for 1990 GMC C1500s

    Make a smart move for your 1990 GMC C1500 with products all priced from $9.86 to $19.09.

    Mahle – Differential Cover G (Part No.J7018826576MAH)

    Differential Cover G

    from

    $19.09
    Differential Cover G

    Felpro – Differential Cover G (Part No.J7018977707FEL)

    Differential Cover G

    from

    $9.86
    Differential Cover G

    Top-Rated Differential Brands For Your 1990 GMC C1500

    When it comes to finding the perfect Differential for your 1990 GMC C1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 16 trusted brands. We carry the most popular Differential brands including National, Dorman, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $3.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1990 GMC C1500, providing peace of mind with parts that meet or exceed OEM standards.

    Popular National 1990 GMC C1500 Differentials

    If you’re looking for a top-quality Differential for your 1990 GMC C1500, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $10.49 and an average cost of $14.66, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1990 GMC C1500 come highly rated, with over 52 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
    Bearings
    from $15.99
    (9)
    Bearings
    “as advertised”
    Bearings
    from $10.49
    (4)
    Bearings
    “Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
    Bearings
    from $17.49
    (39)
    Bearings
    “Great bearings”

    Top-Quality Dorman 1990 GMC C1500 Differentials

    For those in search of a high-quality Differential for their 1990 GMC C1500, Advance Auto Parts offers a great selection of Dorman Differentials. With 3 Dorman 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 $5.99, with an average price of $67.32, giving you a range of options to suit your budget. Backed by over 32 customer ratings and an average rating of 4.2 stars, Dorman Differentials provide both reliability and excellent performance. Choosing a Dorman Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Differential Yoke including Seal and Pinion Nut
    from $139.99
    (10)
    Differential Yoke including Seal and Pinion Nut
    “Will this fot 2001 jeep grand cherokee 4.0 limited with dana 35 read end”
    Differential Shaft Lock Bolt
    from $5.99
    (11)
    Differential Shaft Lock Bolt
    “great”
    Rear Differential Cover
    from $55.99
    (11)
    Rear Differential Cover
    “Good quality cover, nice coat of paint on it. Should outlast the truck.”

    FAQs for 1990 GMC C1500 Differentials

    What are the best-selling Differentials for 1990 GMC C1500s?

    Out of 292 Differentials that fit 1990 GMC C1500s, the following parts are the top sellers:

    What’s the price range for 1990 GMC C1500 Differentials?

    The prices of Differentials for the 1990 GMC C1500 range from $1.99 up to $2,309.99 for the most premium parts.

    What is the average price of a Differentials Differential for a 1990 GMC C1500?

    The average price for Differentials for the 1990 GMC C1500 is $338.99. 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 C1500 model years?

    Yes, we carry Differentials for 18 model years of GMC C1500s between 1979 and 1999. The following model years are the most popular for Differential purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991.

    What are the cheapest Differentials for my 1990 GMC C1500?

    The cheapest 1990 GMC C1500 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 K3500 Differentials.

    What are the top-rated Differentials that fit the 1990 GMC C1500?

    The one 1990 GMC C1500 Differential we have in stock is the Differential Ring Gear Bolt. It costs $1.99.

    What types of Differentials do you sell for my 1990 GMC C1500?

    As of 4/10/25, these are some of the most in-demand types of Differentials for a 1990 GMC C1500:

    Can I get help with 1990 GMC C1500 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 C1500 Differentials?

    Advance Auto Parts keeps returns simple. For new GMC C1500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.