1990 GMC C2500 Differentials

Keep Your 1990 GMC C2500 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 C2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Oil, 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 Dorman, National, and Motive Gear. For example, Dorman Differentials start at just $6.79 with an average 4.2 star rating. National and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 4,328 reviews and a solid 4 star average, you can shop with confidence knowing other GMC C2500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1990 GMC C2500 Differential at Advance Auto Parts is around $374.75, with a range that starts at $2.99 and goes up to $2,969.99. With 228 options in stock from 16 trusted brands, finding the right fit is easy. Popular picks like DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, Multi-Purpose Bearing, and Tapered Cone/Cup Wheel Bearing Set start at just $11.99 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 C2500 in peak condition, inside and out.

Looking for the perfect Differential for your 1990 GMC C2500? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your GMC C2500. Whether you’re driving a 1990 model or another popular model year like 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, and 2000, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1990 GMC C2500 Differentials

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$78.99

Eaton positraction shim kit for GM 14T.

Product Features:

Shim kit
Fits GM 10.5″ 14 bolt truck Eaton positraction

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$221.99

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.

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$37.99

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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$32.99

Product Features:

Cross pin shaft
Fits GM 9.5″
Dura Grip positraction

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$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

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$206.99

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 GM 8.5″ rear
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.

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$8.99

Standard open side gear thrust washer for 9.5″ GM.

Product Features:

Side gear thrust washer
Fits GM 9.5″

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$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.

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$215.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits HM88610 race
All steel construction

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$287.99

Yukon mini spool for GM 10.5″ 14 bolt truck.

Product Features:

Fits 10.5″ GM 14 bolt truck
Provides 100% traction to both wheels at all times
Installs into standard open carrier case

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$5.99

DiffrlPinSupportBolt

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$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

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$487.99

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!

Product Features:

Powertrax® proves that you don’t have to choose between the superior traction of a locking differential and smooth handling and drivability of an open differential. Powertrax Lock-Right Lockers, No-Slip Traction Systems and GRIP limited slip differentials and lockers give you 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!

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$148.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.5″ differential with HD bearings for large journal carrier. This kit contains carrier bearings, races and shims. 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″ with aftermarket positraction
Works with Heavy Duty Bearings
Includes carrier bearings and races and “super” carrier shim kit

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$41.99

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

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$216.99

This differential ring and pinion directly replaces the original equipment on specific vehicle years, makes and models.

Product Features:

Direct replacement – this ring and pinion set matches the fit and function of the original components on certain vehicle applications
Effective fix – eliminates grinding and whining from failed original bearings
Thoroughly tested – vehicle try-on testing and rigorous quality control measures ensure longevity
Trustworthy quality – backed by team of designers and engineers in the United States

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$20.49

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

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$523.99

Product Features:

Each LuK GearBOX contains all the OE quality bearings needed for a professional transmission repair
LuK Differential Bearing Kits are designed to meet or exceed OEM requirements. This will ensure customer satisfaction.
LuK Differential Bearing Kits contain the bearings and seals needed to complete the job.
LuK Differential Bearing Kits include wear parts such as seals, O-rings, shaft sealing rings, support bearings and spare parts where necessary for eliminating the specific cause of failure.

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$12.99

Product Features:

KIT SHIM

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$6.99

Ring gear bolt for GM 7.5″, 7.6″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ & 8.6″ IRS. 7/16″ x 20.

Product Features:

Ring gear bolt for GM 7.5″, 7.625″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ and 8.6″ IRS
7/16″ x 20

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$207.99

Yukon standard open spider gear kit for 8.5″ GM with 30 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 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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$17.49

Product Features:

Brand may vary by location

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$26.99

Pinion seal for 9.5″ GM (’79-’97).Yukon Mighty seal.

Product Features:

Pinion seal
Fits 1997 and down GM 9.5″

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$463.99

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!

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$247.99

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 funtion.

Product Features:

High strength steel
Dual heat treating process

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$239.99

8.5″ GM standard Open case, 2.73 & up, 28 or 30 spline.

Product Features:

Standard open carrier case
Fits GM 8.5″ with 28 or 30 spline axles
2.73 and up ratio only
Does not include spider gears

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$214.99

Product Features:

Spider gear kit
Fits GM 8.5″ 30 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

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$153.99

Product Features:

GM10 BOLT 8.5″ 30 SPL INTERNAL KIT 1988-1999 (OPEN)

Popular 1990 GMC C2500 Differentials Categories

Differential Oil

Pinion Shaft Bearings

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Differential Lock Assemblies

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Gear Bearing Retainer Bolts

Differential Ring and Pinion Kits

Differential Spider and Pinion Gear Kits

Axle Differential Bearing and Race Set

Most Popular Rear Differential Cover Gaskets for 1990 GMC C2500s

Enhance your 1990 GMC C2500 with one of the 4 Rear Differential Cover Gaskets we have in stock, starting at just $3.99.

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$8.29

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

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$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

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$13.99

9.5″ GM cover gasket.

Product Features:

Cover gasket
Fits GM 9.5″

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$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.

Best-Selling 1990 GMC C2500 Differential Oil

Upgrade your C2500 with one of our 7 best-selling Differential Oil, earning an average 5 stars rating across 450 reviews.

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$19.99

Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination while providing good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:

Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
Manufacturer Part Number: 104361

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$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

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$11.99

Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:

Formulated with premium 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

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$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

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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

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$10.29

Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to model year 2005. Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. Idemitsu is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. Idemitsu application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:

Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
Advanced anti-wear technology provides maximum protection to gears and bearings
Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
Advanced anti-wear technology provides maximum protection to gears and bearings

Top-Quality Rear Housing Cover Gaskets for 1990 GMC C2500s

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for GMC C2500s and enjoy top-notch performance from $8.99.

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$8.99

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

Top Picks for 1990 GMC C2500 Differential Bearings

Invest in one of our 11 durable Differential Bearings for your 1990 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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$10.99

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

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$26.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$18.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$19.99

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

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

from

$8.49

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

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$38.99

Product Features:

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

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$24.29

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$23.99

Product Features:

Cross pin bolt
Fits GM 9.5″ and 9.25″ IFS

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$21.29

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$11.29

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$9.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Top-Rated Differential Covers for 1990 GMC C2500s

Make a smart move for your 1990 GMC C2500 with products all priced from $40.99 to $93.99.

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$63.99

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

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$46.99

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

from

$93.99

Steel cover for GM 9.5″ Threaded for fill plug, fill plug not included.

Product Features:

Fits GM 9.5″
Steel

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$92.99

Product Features:

Fits GM 10.5″ 14 bolt truck
Steel

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$72.99

Product Features:

Fits GM 9.5″
Chrome

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$59.99

Chrome cover for GM 14T.

Product Features:

Fits GM 10.5″ 14 bolt truck
Chrome

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$40.99

DIFF COVER KIT

Top-Rated Differential Brands For Your 1990 GMC C2500

When it comes to finding the perfect Differential for your 1990 GMC C2500, 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 $6.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1990 GMC C2500, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1990 GMC C2500 Differentials

If you’re looking for a top-quality Differential for your 1990 GMC C2500, 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 $10.99 and an average cost of $27.32, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1990 GMC C2500 come highly rated, with over 65 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.

from $16.99

(39)

Multi-Purpose Bearing

“Great bearings”

from $53.99

(20)

Wheel Bearing: Direct Fit, 1 Piece

“Very good quality part”

from $10.99

(6)

Bearing Race

“Fit perfectly. No difficulty replacing my old ones.”

Top-Quality Dorman 1990 GMC C2500 Differentials

For those in search of a high-quality Differential for their 1990 GMC C2500, 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 $6.79, with an average price of $39.26, giving you a range of options to suit your budget. Backed by over 37 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.

from $6.79

(11)

Differential Shaft Lock Bolt

“Exactly like OEM”

from $46.99

(15)

Differential Cover

“Fit fine”

from $63.99

(11)

Differential Cover

“Good quality cover, nice coat of paint on it. Should outlast the truck.”

FAQs for 1990 GMC C2500 Differentials

What are the best-selling Differentials for 1990 GMC C2500s?

Out of 228 Differentials that fit 1990 GMC C2500s, the following parts are the top sellers:

DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
Multi-Purpose Bearing (3275965) – $16.99
Tapered Cone/Cup Wheel Bearing Set (5050723) – $26.99

What’s the price range for 1990 GMC C2500 Differentials?

The prices of Differentials for the 1990 GMC C2500 range from $2.99 up to $2,969.99 for the most premium parts.

What is the average price of a Differential for a 1990 GMC C2500?

The average price for Differentials for the 1990 GMC C2500 is $374.75. 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 C2500 model years?

Yes, we carry Differentials for 19 model years of GMC C2500s between 1979 and 2000. The following model years are the most popular for Differential purchases: 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, and 1992.

What are the cheapest Differentials for my 1990 GMC C2500?

The cheapest 1990 GMC C2500 Differentials we carry are:

Differential Crush Sleeve (20520169) – $2.99
Differential Cover Gasket (10282461) – $3.99
Crush Sleeve (10593146) – $3.99
Pinion Crush Sleeves (22140005) – $5.99
DiffrlPinSupportBolt (12018054) – $5.99

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

Yes. We stock Differentials for 24 other popular 1990 GMC models. Some of the most popular are 1990 Jimmy Differentials, 1990 K2500 Differentials, 1990 K1500 Differentials, 1990 C1500 Differentials, and 1990 K3500 Differentials.

What types of Differentials do you sell for my 1990 GMC C2500?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1990 GMC C2500:

Can I get help with 1990 GMC C2500 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 C2500 Differentials?

Advance Auto Parts keeps returns simple. For new GMC C2500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1990 GMC C2500 Differentials

Yukon Gear – Eaton Positraction Shim Kit For 10.5" GM 14 Bolt Truck (Part No.16113)

Pro-King – Differential Internal Nest Kit (Part No.743B717)

National – Shaft Repair Sleeve (Part No.99199)

Yukon Gear – Cross Pin Shaft For GM 9.5", Fits Standard & Dura Grip Or Eaton Posi Carrier (Part No.33205)

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

USA Standard Gear – Master Overhaul Kit for the GM 8.5 Differential (Part No.37055)

Yukon Gear – Standard Open Side Gear And Thrust Washer For 9.5" GM (Part No.33303)

Pro-King – Differential Cover Gasket (Part No.743B303)

Yukon Gear – Bearing Race Driver (Part No.56015)

Yukon Gear – Mini Spool For GM 10.5" 14 Bolt Truck (Part No.32301)

Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

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

Powertrax – Lock Right Locker (Part No.1950-LR)

Yukon Gear – Carrier Installation Kit For GM 8.5" Differential With HD Bearings (Part No.57009)

National – Multi-Purpose Bearing (Part No.A-42)

Dorman – Differential Ring and Pinion Set (Part No.697-812)

National – Bearing Race (Part No.HM803110)

LuK – Differential Repair Kit (Part No.GDK324)

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

Yukon Gear – Ring Gear Bolt (Part No.33049)

Yukon Gear – Standard Open Spider Gear Kit For 8.5" GM With 30 Spline Axles (Part No.16055)

Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

Yukon Gear – Pinion Seal For 9.5" GM (’79-’97) (Part No.30043)

Powertrax – Grip LS Traction System (Part No.LS201028)

Pro-King – Rear Axle Shaft Kit (Part No.AXK-184)

Yukon Gear – Standard Open Carrier Case, GM 8.5", 2.73 & Up (Part No.20083)

USA Standard Gear – Standard Spider Gear Set For GM 8.5", 30 Spline (Part No.39027)

Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI-30)

Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55063)

Yukon Gear – GM 10.5′ 14 Bolt Truck Cover Gasket (Part No.23016)

Yukon Gear – 9.5" GM Cover Gasket (Part No.23023)

Pro-King – Differential Cover Gasket (Part No.743B303)

Mobil 1 – 75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.26101)

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

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

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

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

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Idemitsu – Type HP Automatic Transmission Fluid , 1 Quart (Part No.10107-042F)

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

National – Bearing Race (Part No.382A)

Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)

Driveworks – Tapered Cone Wheel Bearing Assembly (Part No.S-387-AS)

National – Tapered Roller Bearing Cone (Part No.LM501349)

National – Bearing Race (Part No.LM501310)

National – Tapered Roller Bearing Cone (Part No.JLM506849A)

FAG US – Cone (Part No.KM86649)

Yukon Gear – Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS (Part No.33342)

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

FAG US – Cup (Part No.M88010)

FAG US – Cup (Part No.LM501310)

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

Dorman – Differential Cover (Part No.697-703)

Yukon Gear – Steel Cover For GM 9.5", Threaded For Fill Plug, Plug Not Included (Part No.32333)

Yukon Gear – Steel Cover For GM 10.5" 14 Bolt Truck (Part No.32345)

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

Yukon Gear – Chrome Cover For 10.5" GM 14 Bolt Truck (Part No.32013)

ATP – DIFF COVER KIT (Part No.111104)