1976 GMC K15 Differentials

Name: Standard Spider Gear Set For GM 8.5", 28 Spline
Brand: USA Standard Gear
SKU: 39026
Price: 209.99 USD

Keep Your 1976 GMC K15 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1976 GMC K15 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Rear Differential Cover Gaskets, and Differential Oil. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, FELPRO, and Motive Gear. For example, National Differentials start at just $7.99 with an average 4.3 star rating. FELPRO and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 1,869 reviews and a solid 4 star average, you can shop with confidence knowing other GMC K15 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1976 GMC K15 Differential at Advance Auto Parts is around $236.39, with a range that starts at $0.91 and goes up to $1,969.99. With 326 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, and Multi-Purpose Bearing 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 1976 GMC K15 in peak condition, inside and out.

Looking for the perfect Differential for your 1976 GMC K15? 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 K15. Whether you’re driving a 1976 model or another popular model year like 1975, 1977, and 1978, 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 1976 GMC K15 Differentials

from

$209.99

Product Features:

Spider gear kit
Fits GM 8.5″ 28 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

from

$232.99

Product Features:

Clutch kit
Fits Dana Spicer 44 and Chrysler 8.75″ Powr Lok
Aggressive design

from

$27.99

Product Features:

Bulkhead fitting

from

$11.99

Standard Open pinion gear thrust washer for GM 12P and 12T.

Product Features:

Pinion gear thust washer for GM 12 bolt passenger car and truck
Fits standard open differentials only

from

$26.99

Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″ Chrysler & 55P.

Product Features:

Power Lok case bolt for Dana Spicer 30, Dana Spicer 44, Chrysler 8.75″ and 1955-1964 GM passenger car
Left hand thread

from

$13.99

8.5″ GM 4WD front pinion seal.Yukon Mighty seal.

Product Features:

Pinion seal
Fits GM 8.5″ front

from

$227.99

Product Features:

DANA-44 R/P 5.38 STD MG

from

$15.99

Standard open side gear thrust washer for 8.5″ GM.

Product Features:

Side gear thrust washer
Fits GM 8.5″

from

$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

from

$4.99

3/8″ ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.

Product Features:

Ring gear bolt washer for GM 12 bolt car and truck, 1955-1964 passenger car, 1963-1979 Corvette and 8.2″ Buick, Oldsmobile and Pontiac

from

$41.99

Product Features:

Shim 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

from

$6.99

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.

from

$223.99

Yukon replacement trail repair kit for Dana 30 and 44 with 1310 size U/joint and straps. This kit comes with a yoke, U/joint, pinion seal, U/bolt or strap kit, pinion nut, and pinion nut washer (if applicable).

Product Features:

Fits Dana Spicer 30 and 44
1310 u-joint size
Kit includes yoke, U-joint, pinion seal, pinion nut and washer, straps, bolts and threadlocker

from

$869.99

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 Dana Spicer 44 with 30 spline axles
3.73 ratio and down 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

from

$7.99

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

from

$279.99

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 standard rotation Dana Spicer 44
8.50″ ring gear diameter
26 spline pinion
10 ring gear bolts
3.54 ratio

from

$67.99

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:

Powr Lok button kit
Fits Dana Spicer 30, 44 and Chrysler 8.75″

from

$51.99

Product Features:

Complete shim kit for Dana Spicer 44

from

$8.99

Product Features:

Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
For Trac Loc positraction applications only

from

$6.99

Product Features:

Oil baffle for Dana Spicer 44

from

$2.99

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.

from

$1153.99

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 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 GM 8.5″ and 8.6″ with 30 spline axles
2.73 and up ratio only
Patented internal design reduces common locker failures
8620 internals for added strength
Assembled in the USA

from

$13.49

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

from

$67.99

0.080″ thick Chrome replacement cover for Dana 44.

Product Features:

Fits standard rotation Dana Spicer 44
Chrome

from

$9.99

5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:

Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
1/2″ head

from

$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.

from

$215.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M802011 race
All steel construction

from

$83.99

Replacement front axle inner seal redi-sleeve for Dana 44 & 8.5″ GM.Yukon Mighty seal.

Product Features:

Axle Redi-sleeve
Fits Dana Spicer 44

Popular 1976 GMC K15 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 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

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

Complete Differentials

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 Pinion Gear Washers

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Lock Washers

Differential Clutch Pack Clips

Differential Lock Thrust Blocks

Most Popular Differential Bearings for 1976 GMC K15s

Enhance your 1976 GMC K15 with one of the 10 Differential Bearings we have in stock, starting at just $6.99.

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from

$9.29

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

from

$18.99

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

from

$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

from

$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

from

$28.99

Positraction cross pin bolt for GM 12P and 12T.

Product Features:

Cross pin bolt for GM 12 bolt passenger car and truck
For OEM positraction applications only

from

$28.49

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

from

$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

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

from

$6.99

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

Product Features:

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

Best-Selling 1976 GMC K15 Rear Differential Cover Gaskets

Upgrade your K15 with one of our 4 best-selling Rear Differential Cover Gaskets, earning an average 5 stars rating across 3 reviews.

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from

$9.49

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

from

$31.49

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

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

from

$12.99

Product Features:

Cover gasket
Fits Dana Spicer 44

from

$12.99

12T cover gasket.

Product Features:

Cover gasket
Fits GM 12 bolt truck

Top-Quality Differential Oil for 1976 GMC K15s

Choose a high-quality OEM or aftermarket Differential Oil for GMC K15s and enjoy top-notch performance from $11.99.

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from

$14.49

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

Product Features:

Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
Enhanced anti-shudder protection for smooth shifting and maximum power transfer
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

from

$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

from

$148.99

Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

from

$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top Picks for 1976 GMC K15 Rear Housing Cover Gaskets

Invest in one of our 2 durable Rear Housing Cover Gaskets for your 1976 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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from

$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

from

$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

Differential Covers for 1976 GMC K15s

Make a smart move for your 1976 GMC K15 with products all priced from $64.99 to $359.99.

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from

$67.99

0.080″ thick Chrome replacement cover for Dana 44.

Product Features:

Fits standard rotation Dana Spicer 44
Chrome

from

$64.99

Chrome cover for GM 12T.

Product Features:

Fits GM 12 bolt truck
Chrome

from

$129.99

Product Features:

Fits standard rotation Dana Spicer 44
Steel

from

$359.99

Aluminum Girdle replacement cover for Dana 44 TA HD.

Product Features:

Fits standard rotation Dana Spicer 44
Aluminum girdle cover

from

$271.99

Differential

from

$269.99

Polished aluminum cover for 12T GM.

Product Features:

Fits GM 12 bolt truck
Finned polished aluminum

Top-Rated Differential Brands For Your 1976 GMC K15

When it comes to finding the perfect Differential for your 1976 GMC K15, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including FELPRO, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 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 1976 GMC K15, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1976 GMC K15 Differentials

If you’re looking for a top-quality Differential for your 1976 GMC K15, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 3 FELPRO Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $9.49, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1976 GMC K15 come highly rated, with over 208 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $10.99

(195)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

“Worked as described”

from $9.49

(3)

Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket

“felpro gaskets are great”

from $7.99

(10)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

“Fit perfect”

Top-Quality National 1976 GMC K15 Differentials

For those in search of a high-quality Differential for their 1976 GMC K15, 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 $7.99, with an average price of $18.42, giving you a range of options to suit your budget. Backed by over 7 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 $7.99

(4)

Bearing Race

“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”

from $37.99

(1)

Shaft Repair Sleeve

“Very delicate piece, but came shipped quite safely and not damaged. High quality.”

from $9.29

(2)

Bearing Race

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

FAQs for 1976 GMC K15 Differentials

What are the best-selling Differentials for 1976 GMC K15s?

Out of 326 Differentials that fit 1976 GMC K15s, the following parts are the top sellers:

DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
Multi-Purpose Bearing (3275892) – $18.99

What’s the price range for 1976 GMC K15 Differentials?

The prices of Differentials for the 1976 GMC K15 range from $0.91 up to $1,969.99 for the most premium parts.

What is the average price of a Differential for a 1976 GMC K15?

The average price for Differentials for the 1976 GMC K15 is $236.39. 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 K15 model years?

Yes, we carry Differentials for 2 model years of GMC K15s between 1975 and 1978. The following model years are the most popular for Differential purchases: 1978, 1977, and 1975.

What are the cheapest Differentials for my 1976 GMC K15?

The cheapest 1976 GMC K15 Differentials we carry are:

Differential Ring Gear Bolt (10282203) – $0.91
Differential Pinion Gear Washer (10282533) – $2.59
Differential Cross Shaft (10282201) – $2.99
Differential Ring Gear Bolt (10282159) – $2.99
Differential Crush Sleeve (10282146) – $2.99

Does Advance Auto Parts sell Differentials for any other 1976 GMC models?

Yes. We stock Differentials for 11 other popular 1976 GMC models. Some of the most popular are 1976 Jimmy Differentials, 1976 K25 Differentials, 1976 G25 Differentials, 1976 C25 Differentials, and 1976 C15 Differentials.

What types of Differentials do you sell for my 1976 GMC K15?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1976 GMC K15:

Can I get help with 1976 GMC K15 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 K15 Differentials?

Advance Auto Parts keeps returns simple. For new GMC K15 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1976 GMC K15 Differentials

USA Standard Gear – Standard Spider Gear Set For GM 8.5", 28 Spline (Part No.39026)

Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Aggressive (Part No.16151)

Yukon Gear – Zip Locker Bulkhead Fitting (Part No.34001)

Yukon Gear – Standard Open Pinion Gear Thrust Washer For GM 12P And 12T (Part No.33381)

Yukon Gear – Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P (Part No.33234)

Yukon Gear – 8.5" GM 4WD Front Pinion Seal (Part No.30195)

Motive Gear – Differential Ring and Pinion (Part No.D44-538)

Yukon Gear – Standard Open Side Gear Thrust Washer For 8.5" GM (Part No.33304)

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

Yukon Gear – 3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (Part No.33347)

Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

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

Yukon Gear – Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And Straps (Part No.32278)

Yukon Gear – Dura Grip For Dana 44, 30 Spline, 3.73 & Down (Part No.26026)

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

USA Standard Gear – Ring & Pinion Replacement Gear Set For Dana 44 In A 3.54 Ratio (Part No.36039)

Yukon Gear – Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75" (Part No.33536)

Yukon Gear – Dana 44 Complete Shim Kit Replacement (Part No.55021)

Yukon Gear – Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement (Part No.33249)

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

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

Yukon Gear – Grizzly Locker For GM 8.5" & 8.6", 30 Spline, 2.73 & Up (Part No.28035)

National – Bearings (Part No.31520)

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

Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Yukon Gear – Pinion Install Kit For Dana 44 Differential (Part No.13020)

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

Yukon Gear – Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM (Part No.30219)

National – Bearing Race (Part No.LM501314)

National – Multi-Purpose Bearing (Part No.A-37)

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

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

National – Bearing Race (Part No.LM501310)

Yukon Gear – Positraction Cross Pin Bolt For GM 12 Bolt Car And Truck (Part No.33344)

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT37)

National – Bearing Race (Part No.25523)

FAG US – Cup (Part No.LM501310)

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

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

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

Yukon Gear – Dana 44 Cover Gasket Replacement (Part No.23006)

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

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)

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)

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

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 – Differential (Part No.29101)

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