1991 GMC K3500 Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1991 GMC K3500 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1991 GMC K3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Covers, and Differential Bearings. 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, Valvoline, and Driveworks. For example, National Differentials start at just $13.99 with an average 4.3 star rating. Valvoline and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 4,790 reviews and a solid 4 star average, you can shop with confidence knowing other GMC K3500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1991 GMC K3500 Differential at Advance Auto Parts is around $367.99, with a range that starts at $1.89 and goes up to $2,374.99. With 284 options in stock from 17 trusted brands, finding the right fit is easy. Popular picks like Synchromesh Manual Transmission Fluid, Enhances Synchronizer Performance, Taper Bearing Cone, and Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket start at just $8.29 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 1991 GMC K3500 in peak condition, inside and out.

Looking for the perfect Differential for your 1991 GMC K3500? 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 K3500. Whether you’re driving a 1991 model or another popular model year like 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, and 1999, 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 1991 GMC K3500 Differentials

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$1119.99

Differential

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$43.99

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

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$5.99

DiffrlPinSupportBolt

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$181.99

Dana 60 & Dana 70 Power Lok clutch set (steel & fiber).

Product Features:

Clutch kit
Fit Dana Spicer 60, 70, 70U and 70HD Powr Lok positraction

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$27.99

Product Features:

Brand may vary by location

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$287.99

Yukon round replacement yoke companion flange for Dana 60 and 70. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Dana Spicer 60 and 70
29 spline
5.00″ O.D.
8 x 4.25″ bolt pattern
Round companion flange

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$211.99

Product Features:

GM10.5″ 14 BOLT OPEN EMPTY CASE 4:10 & DWN

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$7.99

14T side gear Thrust washer.

Product Features:

Side gear thrust washer
Fits GM 10.5″ 14 bolt truck

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$484.99

USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:

Fits GM 9.25″ front
9.25″ ring gear
30 spline pinion
12 ring gear bolts
4.11 ratio

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$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

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$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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$13.99

Crush Sleeve for Chrysler 9.25″ front, GM 8.6″ IRS, 9.25″ IFS & 9.5″. Approx 0.640″ long.

Product Features:

Crush sleeve for Chrysler 9.25″ front, GM 8.6″ IRS, 9.25″ IFS and 9.5″
0.640″ tall

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$449.99

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 Dana Spicer 70HD
Fits Dana Spicer Super 70
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, oil baffles and slingers, thread locker, marking compound with brush and gasket.

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$98.99

Left hand carrier bearing adjuster for 9.25″ GM IFS.

Product Features:

Side adjuster
Fits 2010 and down GM 9.25″ IFS
Left hand side

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$264.99

Set-up carrier bearing kti (2 bearings, no races) for Dana 70 HD and Dana 80. 469. No return.

Product Features:

Set up bearing kit
Fits Dana Spicer 80
Easily slips on and off carrier journals to allow for easier carrier shim adjustment

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$6.99

Product Features:

Outer slinger
Fits Dana Spicer 80

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$324.99

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 Dana Spicer 70HD
Included are pinion bearings and races, pinion seal, pinion nut, complete pinion shim kit, and marking compound with brush.

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$28.49

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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$44.49

All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!

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$26.99

Replacement pinion nut for Dana 80, 1 7/8″ socket.

Product Features:

Pinion nut for Dana Spicer 80
1 7/8″ socket

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$311.99

Yukon replacement standard open spider gear kit for Dana 80 with 37 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
Fit Dana Spicer 80 open differential with 37 spline axles
Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

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$11.29

Product Features:

O-ring for seal housing
Fits Dana Spicer 60

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$23.99

Product Features:

Cross pin bolt
Fits GM 9.5″ and 9.25″ IFS

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$249.99

Product Features:

Installation kit
Includes o-ring for bulkhead fitting, bulkhead fitting, outer fitting, switch, front and rear switch cover, solenoid, zip ties and 20′ air line

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$229.99

Product Features:

DANA 44 R/P 3.92 STD MG

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$5.99

Differential Cover B

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$9.99

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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$215.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M802011 race
All steel construction

Popular 1991 GMC K3500 Differentials Categories

Differential Oil

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 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 Clutch Packs

Differential Ring and Pinions

Differential Cases

Differential End Yokes

Differential Lock Assemblies

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Differential Carrier Bearing Adjusters

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

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 Housing O-Rings

Differential Side Gear Thrust Washers

Differential Pinion Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Gear Bearing Retainer Bolts

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Spider and Pinion Gear Kits

Differential Bearing Adjuster Nut Lock Bolts

Axle Differential Bearing and Race Set

Most Popular Differential Oil for 1991 GMC K3500s

Enhance your 1991 GMC K3500 with one of the 9 Differential Oil we have in stock, starting at just $12.49.

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$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

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$12.99

Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.

Product Features:

Formulated for reliable gear protection
Protects against severe temperatures to help extend service life
Formulated with extreme-pressure additives to minimize gear wear from shock loads
Helps protect against gear wear from scuffing, scouring, corrosion and pitting
Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials

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$12.49

Designed for certain manual transaxles and manual transmissions used by General Motors or Chrysler, Pennzoil Synchromesh fluid provides excellent oxidation stability and low-temperature performance. It’s formulated with high-quality paraffinic base stocks, a fluidity modifier, multifunctional performance additives, corrosion inhibitors, a foam suppressor, and a shear stable viscosity index improver additive. Pennzoil Synchromesh also offers excellent synchronizer performance and compatibility with yellow metals (such as bronze, brass, and copper components found in manual transaxles and transmissions). This product will satisfactorily lubricate General Motors or Chrysler manual transaxles and transmissions from -40 degrees C to +150 degrees C.

Product Features:

Transmission fluid designed for certain manual transaxles and manual transmissions used by General Motors or Chrysler
Excellent low-temperature performance and oxidation stability
Excellent synchronizer performance
Excellent compatibility with yellow metals such as bronze, brass, and copper components found in manual transaxles and transmissions
Formulated with high-quality paraffinic base stocks, a fluidity modifier, and multifunctional performance additives
Meets GM Specification 998564; suitable for use in GM manual transaxles and transmissions requiring GM Part No. 12345349 or 12345577
Meets Chrysler specification MS-9224; suitable for use in Chrysler transaxles and transmissions requiring Part No. 0487446
For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual

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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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$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

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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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$28.99

Castrol® Transmax® ATF/CVT Universal is a premium full-synthetic transmission fluid engineered for exceptional performance in both traditional step-shifting automatic transmissions and modern continuously variable transmissions (CVTs). Featuring Castrol Smooth Drive® Technology, it ensures enhanced friction durability for seamless gear shifts and superior high-temperature protection to resist oxidation. This advanced formulation offers unmatched protection against copper corrosion, extending the life of your transmission system. Its broad compatibility covers a wide range of ATF and CVT applications, including Dexron VI, Mercon LV, Toyota WS, Honda DW-1, Nissan Matic S, and many more, making it ideal for diverse vehicle types, including hybrids. Designed to improve workshop efficiency and simplify inventory management, this fluid is a versatile solution for professional mechanics and DIY enthusiasts alike. Packaged in a convenient 1-gallon size, it delivers outstanding value and reliability for maintaining optimal transmission performance.

Product Features:

Enhanced friction durability for smooth transmission performance
Superior high temperature protection to effectively resist oxidation
Unsurpassed protection against copper corrosion
Broad scope of vehicle applications improves workshop efficiency and inventory management
ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2

Best-Selling 1991 GMC K3500 Differential Covers

Upgrade your K3500 with one of our 6 best-selling Differential Covers, earning an average 4.5 stars rating across 15 reviews.

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$46.99

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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$149.99

Product Features:

Fits Dana Spicer 70
Steel

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$92.99

Product Features:

Fits GM 10.5″ 14 bolt truck
Steel

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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

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$288.99

Product Features:

Nodular iron for added strength
Thick design
Durable powder coat finish
Magnetic drain plug
Made in USA
High strength stainless steel fasteners

Top-Quality Differential Bearings for 1991 GMC K3500s

Choose a high-quality OEM or aftermarket Differential Bearing for GMC K3500s and enjoy top-notch performance from $10.99.

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$13.99

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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$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$15.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$25.49

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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$46.99

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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$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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$20.79

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

Our Top Pick for a 1991 GMC K3500 Rear Housing Cover Gasket

Invest in a durable Rear Housing Cover Gasket for your 1991 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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$8.29

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

Our Rear Differential Cover Gaskets for 1991 GMC K3500s

Make a smart move for your 1991 GMC K3500 with our Rear Differential Cover Gasket for $13.99.

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$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

Top-Rated Differential Brands For Your 1991 GMC K3500

When it comes to finding the perfect Differential for your 1991 GMC K3500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 17 trusted brands. We carry the most popular Differential brands including Valvoline, National, and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $10.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1991 GMC K3500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1991 GMC K3500 Differentials

If you’re looking for a top-quality Differential for your 1991 GMC K3500, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 2 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.99 and an average cost of $24.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1991 GMC K3500 come highly rated, with over 681 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.

from $12.99

(235)

High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart

“Good quality oil. Does it’s job.”

from $35.99

(446)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

“Good quality great price”

Top-Quality National 1991 GMC K3500 Differentials

For those in search of a high-quality Differential for their 1991 GMC K3500, 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 $13.99, with an average price of $25.99, giving you a range of options to suit your budget. Backed by over 10 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.

from $19.99

(2)

Multi Purpose Seal

“The seal was good quality and works great.”

from $13.99

(6)

Bearing Race

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

from $43.99

(2)

Shaft Repair Sleeve

“As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”

FAQs for 1991 GMC K3500 Differentials

What are the best-selling Differentials for 1991 GMC K3500s?

Out of 284 Differentials that fit 1991 GMC K3500s, the following parts are the top sellers:

Synchromesh Manual Transmission Fluid, Enhances Synchronizer Performance (7070062) – $12.49
Taper Bearing Cone (5051614) – $15.49
Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (5723531) – $8.29

What’s the price range for 1991 GMC K3500 Differentials?

The prices of Differentials for the 1991 GMC K3500 range from $1.89 up to $2,374.99 for the most premium parts.

What is the average price of a Differential for a 1991 GMC K3500?

The average price for Differentials for the 1991 GMC K3500 is $367.99. 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 K3500 model years?

Yes, we carry Differentials for 18 model years of GMC K3500s between 1979 and 1999. The following model years are the most popular for Differential purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1990.

What are the cheapest Differentials for my 1991 GMC K3500?

The cheapest 1991 GMC K3500 Differentials we carry are:

Differential Ring Gear Bolt (10282457) – $1.89
Differential Crush Sleeve (20520169) – $2.99
Differential Crush Sleeve (10593146) – $3.99
Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18 (11643357) – $4.99
Side Gear Thrust Washer For Dana 60, 70 & 80 (11642996) – $4.99

Does Advance Auto Parts sell Differentials for any other 1991 GMC models?

Yes. We stock Differentials for 23 other popular 1991 GMC models. Some of the most popular are 1991 Jimmy Differentials, 1991 K2500 Differentials, 1991 C2500 Differentials, 1991 K1500 Differentials, and 1991 C1500 Differentials.

What types of Differentials do you sell for my 1991 GMC K3500?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1991 GMC K3500:

Can I get help with 1991 GMC K3500 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 K3500 Differentials?

Advance Auto Parts keeps returns simple. For new GMC K3500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1991 GMC K3500 Differentials

Yukon Gear – Differential (Part No.26044)

National – Tapered Roller Bearing Cone (Part No.469)

Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

Yukon Gear – Dana 60 & Dana 70 Power Lok Clutch Set (Steel & Fiber) (Part No.16155)

Driveworks – Tapered Roller Bearing (Part No.S-HM-903249)

Yukon Gear – Round Replacement Yoke Companion Flange For Dana 60 And 70 (Part No.41033)

Motive Gear – Differential Carrier (Part No.6258336)

Yukon Gear – 14T Side Gear Thrust Washer (Part No.33383)

USA Standard Gear – Steel Spool For Dana 60 With 30 Spline Axles, 4.10 & Down (Part No.59014)

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

National – Shaft Repair Sleeve (Part No.99193)

Yukon Gear – Crush Sleeve (Part No.33099)

USA Standard Gear – Master Overhaul Kit Dana 70 HD & Super-70 Differential (Part No.37023)

Yukon Gear – Left Hand Carrier Bearing Adjuster For 9.25" GM IFS (Part No.33362)

Yukon Gear – Set Up Bearing (Part No.56040)

Yukon Gear – Replacement Outer Oil Slinger For Dana 80 (Part No.33018)

Yukon Gear – Pinion Install Kit For Dana 70-HD & Super-70 Differential (Part No.13034)

National – Bearing Race (Part No.HM903210)

Motive Gear – Differential Gear Install Kit (Part No.GM10.5IKL-2)

Yukon Gear – Replacement Pinion Nut For Dana 80 (Part No.33145)

Yukon Gear – Replacement Standard Open Spider Gear Kit For Dana 80 With 37 Spline Axles (Part No.16096)

Yukon Gear – O-Ring For Dana 60 Zip Locker Seal Housing (Part No.34006)

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)

Yukon Gear – Zip Locker Install Kit (Part No.34026)

Motive Gear – Differential Ring and Pinion (Part No.D44-392)

Yukon Gear – Differential Cover B (Part No.33569)

Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

Yukon Gear – Bearing Race Driver (Part No.56020)

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

Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (Part No.VV831)

Pennzoil – Synchromesh Manual Transmission Fluid, Enhances Synchronizer Performance (Part No.3501)

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

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

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)

Castrol – Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (Part No.15E0C8)

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

Yukon Gear – Steel Cover For Dana 70 (Part No.32322)

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

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

ATP – DIFF COVER KIT (Part No.111104)

Yukon Gear – Hardcore Diff Cover For Dana 50, Dana 60 & Dana 70 (Part No.32352)

National – Bearing Race (Part No.382A)

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

Driveworks – Taper Bearing Cone (Part No.S-LM-102949)

National – Bearing Race (Part No.382)

Schaeffler – Cone (Part No.K387-A)

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

Schaeffler – Cup (Part No.382A)

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)