1979 GMC K1500 Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1979 GMC K1500 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1979 GMC K1500 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 Differential Covers. 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 Richmond Gear, National, and Motive Gear. For example, Richmond Gear Differentials start at just $350.99 with an average 4.5 star rating. National and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 2,928 reviews and a solid 4 star average, you can shop with confidence knowing other GMC K1500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1979 GMC K1500 Differential at Advance Auto Parts is around $233.49, with a range that starts at $2.59 and goes up to $1,969.99. With 455 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, and Differential Shaft Lock Bolt start at just $6.79 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 1979 GMC K1500 in peak condition, inside and out.

Looking for the perfect Differential for your 1979 GMC K1500? 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 K1500. Whether you’re driving a 1979 model or another popular model year like 1991, 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 1979 GMC K1500 Differentials

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$6.99

Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

Product Features:

Pinion nut for Dana Spicer 25, 27, 30, 44, 50 and GM 7.75″
3/4″ x 16 thread

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$20.79

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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$289.99

Yukon 4340 Chrome-Moly left hand inner replacement axle for ’69-’80 GM Blazer and truck, Dana 44 with a length of 36.13″ and 30 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

Fits 1969-1980 GM half ton front
4340 Chromoly
Left hand side inner
30 spline
36.13″ from end of splines to center of u-joint bore

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$42.99

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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$46.99

Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:

Fits GM 8.25″ IFS
Included are a pinion seal, crush sleeve , complete shim kit, marking compound and brush.

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$7.99

Differential Cover B

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$187.99

Product Features:

FULL SPOOL GM 10 BOLT 8.5 28 SPL ST

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$31.99

Product Features:

Flat drive plate
Fits Dana Spicer 44 Powr Lok

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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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$31.99

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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$8.99

High-quality Differential Carrier Shim Kit

Product Features:

CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON

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$198.99

Yukon yoke for GM 12 bolt car & truck, 1310 u/joint size, u-bolt design. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits GM 12 bolt passenger car and truck
30 spline
1310 u-joint size
3.219″ snap ring span
1.062″ cap diameter
Outside snap ring design
U-bolt style

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$10.99

8.5″ & 8.6″ GM standard Open pinion gear Thrust washer. also fits 8.5″ Eaton with 0.795″ cross pin.

Product Features:

Pinion gear thrust washer for GM 8.5″ and 8.6″
Fits standard open differentials only
0.795″ I.D.

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$65.99

Product Features:

MINI INSTALL KIT GM 8.5 REAR

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$128.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Dana 44 differential. This kit contains carrier bearings, races and shims.

Product Features:

Fits Dana Spicer 44
Includes carrier bearings and races and carrier shim kit

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$39.99

This axle differential seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this axle differential seal is designed to match the fit and function of the original seal on specified vehicles
Restores functionality – this seal is made to fit and fully restore part functionality after the original seal fails
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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$161.99

Product Features:

Spider gear kit
Fits GM 12 bolt passenger car and truck 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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$39.99

8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.

Product Features:

Pinion depth shim kit for Toyota 7.5″, 8″ and V6

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$6.99

Product Features:

Oil baffle for Dana Spicer 44

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$4.99

Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

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$67.99

Differential Gasket

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$46.99

Product Features:

USA Standard Gear heavy-duty cross pin shaft
Fits Dana Spicer 44
Works with Spartan Locker or standard open spider gears

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$137.99

Product Features:

SUPER KIT – GM 12 BOLT(TRUCK)

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$2.99

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

Product Features:

Meets or exceeds OE specifications

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$6.99

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

Product Features:

Meets or exceeds OE specifications

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$101.99

Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:

KIT BRG&SEAL GM 8.5 10BLT NON IFS FRONT / REAR

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$3.99

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

Product Features:

Meets or exceeds OE specifications

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$238.99

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, 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 8.25″
Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

Popular 1979 GMC K1500 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

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 Air System Seal Housings

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

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 Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Differential Lock Washers

Differential Bolts

Differential Lock Thrust Blocks

Most Popular Rear Differential Cover Gaskets for 1979 GMC K1500s

Enhance your 1979 GMC K1500 with one of the 6 Rear Differential Cover Gaskets we have in stock, starting at just $3.99.

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$9.49

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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$21.49

Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear

Product Features:

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

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$31.49

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

Product Features:

Meets or exceeds OE specifications

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$12.99

12T cover gasket.

Product Features:

Cover gasket
Fits GM 12 bolt truck

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$10.99

8.2″ & 8.5″ rear cover gasket.

Product Features:

Cover gasket
Fits GM 8.2″, 8.5″ and 8.6″

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$3.99

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

Product Features:

Meets or exceeds OE specifications

Best-Selling 1979 GMC K1500 Differential Oil

Upgrade your K1500 with one of our 7 best-selling Differential Oil, earning an average 5 stars rating across 681 reviews.

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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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$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

Top-Quality Differential Covers for 1979 GMC K1500s

Choose a high-quality OEM or aftermarket Differential Cover for GMC K1500s and enjoy top-notch performance from $21.99.

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$85.99

The Mr. Gasket chrome plated rear end cover is made from heavy-gauge steel, and comes complete with bolts and gaskets.

Product Features:

Chrome plated steel for looks
Includes bolts and gasket

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$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

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$67.99

0.080″ thick Chrome replacement cover for Dana 44.

Product Features:

Fits standard rotation Dana Spicer 44
Chrome

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$44.99

Chrome cover for 8.5″ GM front.

Product Features:

Fits GM 8.5″ front
Chrome

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$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

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$123.99

Product Features:

Fits GM 8.2″, 8.5″ and 8.6″
Steel

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$64.99

Chrome cover for GM 12T.

Product Features:

Fits GM 12 bolt truck
Chrome

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$129.99

Product Features:

Fits standard rotation Dana Spicer 44
Steel

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$359.99

Aluminum Girdle replacement cover for Dana 44 TA HD.

Product Features:

Fits standard rotation Dana Spicer 44
Aluminum girdle cover

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$296.99

Polished aluminum cover for 8.5″ GM.

Product Features:

Fits GM 8.5″ front
Finned polished aluminum

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$271.99

Differential

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$269.99

Polished aluminum cover for 12T GM.

Product Features:

Fits GM 12 bolt truck
Finned polished aluminum

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$21.99

Pro-King High Quality Differential Products are designed for trouble free installation and setup.

Product Features:

Meets or exceeds OE specifications

Top Picks for 1979 GMC K1500 Rear Housing Cover Gaskets

Invest in one of our 2 durable Rear Housing Cover Gaskets for your 1979 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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$10.99

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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$7.99

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-Rated Differential Bearings for 1979 GMC K1500s

Make a smart move for your 1979 GMC K1500 with products all priced from $10.99 to $34.49.

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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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$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$27.99

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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$34.49

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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$19.99

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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$11.99

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 Brands For Your 1979 GMC K1500

When it comes to finding the perfect Differential for your 1979 GMC K1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including Richmond Gear, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1979 GMC K1500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Richmond Gear 1979 GMC K1500 Differentials

If you’re looking for a top-quality Differential for your 1979 GMC K1500, Advance Auto Parts has exactly what you need with our selection of Richmond Gear Differentials. We have 3 Richmond Gear Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $350.99 and an average cost of $354.32, you’ll find the perfect Differential for your needs and budget. Richmond Gear Differentials for the 1979 GMC K1500 come highly rated, with over 10 customer reviews and an impressive average rating of 4.5 stars. Choosing a Richmond Gear Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $350.99

(7)

Differential Ring And Pinion

“Great spark plugs.”

from $350.99

(2)

Differential Ring And Pinion

“I have a Chevy Impala 07 that runs on 3 cylinders when not needing the power of 6, and the new plugs have significantly provided an inexpensive tuneup”

from $360.99

(1)

Differential Ring And Pinion

“Best ever!!!’nn”

Top-Quality National 1979 GMC K1500 Differentials

For those in search of a high-quality Differential for their 1979 GMC K1500, 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 $10.99, with an average price of $22.32, giving you a range of options to suit your budget. Backed by over 8 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 $10.99

(4)

Bearing Race

“Fast handling”

from $11.99

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

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 1979 GMC K1500 Differentials

What are the best-selling Differentials for 1979 GMC K1500s?

Out of 455 Differentials that fit 1979 GMC K1500s, the following parts are the top sellers:

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (5185823) – $10.99
3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99
Differential Shaft Lock Bolt (5707714) – $6.79

What’s the price range for 1979 GMC K1500 Differentials?

The prices of Differentials for the 1979 GMC K1500 range from $2.59 up to $1,969.99 for the most premium parts.

What is the average price of a Differential for a 1979 GMC K1500?

The average price for Differentials for the 1979 GMC K1500 is $233.49. 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 K1500 model years?

Yes, we carry Differentials for 18 model years of GMC K1500s between 1980 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 1979 GMC K1500?

The cheapest 1979 GMC K1500 Differentials we carry are:

Differential Pinion Gear Washer (10282533) – $2.59
Ring Gear Bolt (20520168) – $2.99
Differential Crush Sleeve (10282146) – $2.99
Differential Ring Gear Bolt (10282159) – $2.99
Differential Cross Shaft (10282201) – $2.99

Does Advance Auto Parts sell Differentials for any other 1979 GMC models?

Yes. We stock Differentials for 16 other popular 1979 GMC models. Some of the most popular are 1979 Jimmy Differentials, 1979 K2500 Differentials, 1979 C2500 Differentials, 1979 C1500 Differentials, and 1979 K3500 Differentials.

What types of Differentials do you sell for my 1979 GMC K1500?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1979 GMC K1500:

Can I get help with 1979 GMC K1500 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 K1500 Differentials?

Advance Auto Parts keeps returns simple. For new GMC K1500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1979 GMC K1500 Differentials

Yukon Gear – Replacement Pinion Nut For Dana 25, 27, 30, 36, 44, 53 & GM 7.75" (Part No.33143)

Schaeffler – Cup (Part No.382A)

Yukon Gear – 4340 Chrome-Moly Left Hand Inner Axle For ’69-’80 GM Blazer And Truck, Dana 44, 5-760X U/J (Part No.21372)

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

Yukon Gear – Minor Install Kit For GM 8.25" IFS Differential (Part No.12053)

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

Motive Gear – Differential Spool (Part No.FS10-28)

Yukon Gear – Powr Lok Flat Drive Plate For Dana 44 (Part No.16172)

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

National – Shaft Repair Sleeve (Part No.99225)

Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Yukon Gear – Yoke For GM 12 Bolt Car & Truck, 1310 U/Joint Size, U-Bolt Design (Part No.41085)

Yukon Gear – 8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer – Also Fits 8.5" Eaton With 0.795" Cross Pin (Part No.33385)

Motive Gear – Differential Gear Install Kit (Part No.GM8.5IK)

Yukon Gear – Dana 44 Carrier Installation Kit Replacement (Part No.57003)

Dorman – 4 Wheel Drive Oil Seal (Part No.600-606)

USA Standard Gear – Spider Gear Kit For GM 12 Bolt Car And Truck (Part No.39021)

Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)

Yukon Gear – Replacement Oil Baffle For Dana 44 (Part No.33000)

Motive Gear – Crush Sleeve (Part No.1234726)

Yukon Gear – Differential Gasket (Part No.23030)

USA Standard Gear – Spartan Locker Replacement Cross Pin For Dana 44 (Part No.17017)

Motive Gear – Differential Super Bearing Kit – Koyo (Part No.R12RSK)

Pro-King – Differential Ring Gear Bolt (Part No.742G935)

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

Motive Gear – Differential Bearing Kit – Koyo (Part No.R10R)

Pro-King – Differential Cover Gasket (Part No.742G303)

Yukon Gear – Pinion Install Kit For GM 8.25" IFS Differential (Part No.13067)

Felpro – Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket (Part No.RDS 13391)

Mr. Gasket – Differential Gasket (Part No.84B)

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

Yukon Gear – GM 12 Bolt Truck Cover Gasket (Part No.23015)

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

Pro-King – Differential Cover Gasket (Part No.742G303)

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)

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)

Mr. Gasket – Differential Cover Kit (Part No.9895)

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

Yukon Gear – Replacement Chrome Cover For Dana 44 (Part No.32004)

Yukon Gear – Chrome Cover For 8.5" GM Front (Part No.32016)

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

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

Yukon Gear – Chrome Cover For GM 12 Bolt Truck (Part No.32012)

Yukon Gear – Steel Cover For Dana 44 Standard Rotation (Part No.32319)

Yukon Gear – Aluminum Girdle Replacement Cover For Dana 44 Ta HD (Part No.32110)

Yukon Gear – Polished Aluminum Cover For 8.5" GM (Part No.32029)

Yukon Gear – Differential (Part No.29101)

Yukon Gear – Polished Aluminum Cover For GM 12 Bolt Truck (Part No.32027)

Pro-King – Differential Carrier Cover (Part No.742G758A)

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

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

National – Bearing Race (Part No.JLM104910)

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

National – Multi-Purpose Bearing (Part No.A-36)

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

National – Bearing Race (Part No.25523)

Schaeffler – Cup (Part No.JLM104910)