1990 GMC K1500 Differentials

Find your specific 1990 GMC K1500 original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1990 GMC K1500 Differentials

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$215.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M802011 race
All steel construction

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$264.99

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 standard rotation Dana Spicer 44 front
Included are pinion bearings and races, pinion seal, complete pinion shim kit, and marking compound with brush.

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$36.99

Product Features:

Bulkhead fitting kit
Includes bulkhead fitting, outer fitting and o-ring

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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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$11.99

Pinion nut for GM 12 bolt car & truck, 55-62 car & truck, 8.2″, 8.2″ Buick/Olds/Pontiac & 63-79 Corvette. 1 1/8″ socket, 7/8″ x 16 thread.

Product Features:

Pinion nut for GM 12 bolt car and truck, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
7/8″ x 16 thread
1 1/8″ socket

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$189.99

Set-up carrier bearing (2 bearings, no races) 25590. No return.

Product Features:

Set up bearing kit
Fits Dana Spicer 44
Easily slips on and off carrier journals to allow for easier carrier shim adjustment

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$194.99

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 12 bolt truck
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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$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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$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

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$139.99

Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:

Direct replacement – this differential end yoke matches the fit and construction of the original yoke.
Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts.
Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
Validated fit – this differential end yoke has been tested to confirm accurate fit

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$1.99

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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$28.99

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
Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

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$11.99

Side bearing adjuster lock for 8.25″ GM IFS.

Product Features:

Side adjuster lock for GM 8.25″ IFS

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$11.29

SHAFT SEAL

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$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

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$404.99

Product Features:

Clutch kit
Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
14 piece kit
Carbon fiber clutches

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$221.99

Direct replacement – this differential end yoke matches the fit and construction of the original yoke.
Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts.
Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
Validated fit – this differential end yoke has been tested to confirm accurate fit

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$51.99

Product Features:

Complete shim kit for Dana Spicer 44

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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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$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

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$14.99

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

Product Features:

Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.

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$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

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$161.99

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

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$859.99

Fits GM 8.5″ with 28 spline axles
2.73 ratio and up only
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

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$21.99

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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$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.

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$998.99

The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:

Fits Dana Spicer 44 with 30 spline axles
3.73 and down ratio only
Patented internal design reduces common locker failures
8620 internals for added strength
Assembled in the USA

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$10.99

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

Popular 1990 GMC K1500 Differentials Categories

Differential Oil

Differential Pinion Yokes

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

Front Housing Cover Gaskets

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Pinion Supports

Differential Lock Assemblies

Differential Spools

Differential Carrier Bearings

Differential Carrier Bearing Adjusters

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

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 Pinion Gear Washers

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Spider and Pinion Gear Kits

Differential Clutch Pack Clips

Maybe you’re in the middle of a full rebuild of that 1990 GMC K1500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 306 different Differentials in our inventory ranging from $1.99 to $1,638.99. That means you can find the exact parts or products you need to keep that 1990 GMC K1500 running smoothly.

Differentials are only as good as their brand. We stock 17 different brands to make sure you have plenty of trusted parts to choose from for your 1990 GMC K1500. Valvoline, FELPRO, and Dorman are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1990 GMC K1500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,476 reviews in this category, some of the top rated parts include Rear Differential Cover with 4.1 stars and Differential Yoke including Seal and Pinion Nut with 3.8 stars.

So if you’re in the market for aftermarket Differentials to keep your 1990 GMC K1500 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1990 GMC K1500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1990 GMC K1500 demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your K1500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Valvoline Differentials

We carry Valvoline parts in our stock across Differential Oil categories, plus more. For a 1990 GMC K1500, our most popular Valvoline Differentials include: