1986 GMC S15 Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1986 GMC S15 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1986 GMC S15 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Rear Housing Cover Gaskets, and Rear Differential Cover Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Valvoline, and Dorman. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Valvoline and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 1,694 reviews and a solid 4 star average, you can shop with confidence knowing other GMC S15 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1986 GMC S15 Differential at Advance Auto Parts is around $278.36, with a range that starts at $2.49 and goes up to $2,219.99. With 182 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, Multi-Purpose Bearing, and Multi-Purpose Bearing start at just $8.99 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 1986 GMC S15 in peak condition, inside and out.

Looking for the perfect Differential for your 1986 GMC S15? 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 S15. Whether you’re driving a 1986 model or another popular model year like 1982, 1983, 1984, 1985, 1987, 1988, 1989, and 1990, 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 1986 GMC S15 Differentials

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$424.99

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 the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This is a thck gear for a 3.08 & down carrier.

Product Features:

Fits GM 7.5″ and 7.6″
7.50″ ring gear diameter
27 spline pinion
10 ring gear bolts
3.42 ratio
Thick gear for 3.08 and down carrier

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$379.99

Product Features:

Fits GM 7.5″ and 7.625″
Aluminum girdle cover

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$279.99

Yukon spider gear set for GM 7.5″ & 7.625″ Dura Grip posi, 26 spline. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY.

Product Features:

Spider gear kit
Fits GM gm 7.5″ with 26 spline Dura Grip positraction
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

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$277.99

Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

Product Features:

Fits GM 7.5″ with 26 spline axles
Provides 100% traction to both wheels at all times
Installs into standard open carrier case

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$38.99

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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$399.99

GM 7.5″ & 7.6″ DURA GRIP case, bare, 3.23 & up, 26spline & 28spline.

Product Features:

Dura Grip positraction carrier case
Does not include spider gears
Fits GM 7.5″ and 7.625″
3.23 and up ratios only

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$17.99

Standard open side gear thrust washer for 7.2″ GM.

Product Features:

Side gear thrust washer
Fits GM 7.2″ IFS

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$109.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

Product Features:

Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
Includes carrier bearings and races and “super” carrier shim kit

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$139.99

Product Features:

SUPERKIT – GM*7.5*1982-98*KOYO* KOYO BEARINGS

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$544.99

For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.

Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.

Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.

Powertrax® = Extreme Traction Systems!

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$9.99

Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:

Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
7/8″ x 14 thread
1 1/4″ socket

from

$187.99

Yukon standard open spider gear kit for late 7.625″ GM with 28 spline axles and large and small windows. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:

Spider gear kit
Fits GM 7.625″ open differential with 28 spline axles
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

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$43.99

RngPnnInstlKt

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$219.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M88010 race
All steel construction

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$98.99

Product Features:

MINI SPOOL GM 10 BOLT 8 1/2″ 28 SPLINE

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$889.99

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 GM 7.5″ and 7.625″ with 26 spline axles
3.23 ratio and up only
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

from

$186.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.

Product Features:

Meets or exceeds OE specifications
Dual heat treating process

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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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$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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$18.29

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

Manufactured from high quality elastomer compounds for durability and ride performance
Assembled with proper precompression for ultimate in performance and feel
High level bonding adhesive is used for durability
Elastomer compounds do not utilize any reground rubber fillers

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$2.99

Product Features:

RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND

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$9.99

7.2″ GM 7.5″ GM & 8.2″ GM pinion seal.Yukon Mighty seal.

Product Features:

Pinion seal
Fits GM 7.2″ IFS, 1999 and down GM 7.5″ and 7.625″ and GM 8.2″
2.660″ O.D.

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$209.99

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 1982-1999 GM 7.5″ and 7.625″
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.

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$883.99

The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:

Carrier bearing puller
Works with an impact gun to safely and easliy remove carrrier bearings

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$15.99

Product Features:

Carrier shim kit for Dana Spicer 30 with 30 spline axles

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$7.99

Standard open pinion gear thrust washer for 7.2″ GM.

Product Features:

Pinion gear thrust washer
Fits GM 7.2″ IFS

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$18.99

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

Product Features:

Meets or exceeds OE specifications

from

$153.99

Product Features:

Positraction spring kit
Fits GM 7.5″ and 7.625″ Dura Grip
Includes preload plates

Popular 1986 GMC S15 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 Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Pinion Supports

Differential Lock Assemblies

Differential Spools

Differential Carrier Bearings

Differential Lock Springs

Differential Carrier Bushings

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 Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Ring and Pinion Kits

Differential Clutch Pack Clips

Differential Bearing Adjuster Nut Lock Bolts

Differential Shifter Seals

Most Popular Differential Oil for 1986 GMC S15s

Enhance your 1986 GMC S15 with one of the 7 Differential Oil we have in stock, starting at just $12.99.

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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

Best-Selling 1986 GMC S15 Rear Housing Cover Gasket

Upgrade your S15 with our best-selling Rear Housing Cover Gasket with a 5 Starts rating across 45 reviews.

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$8.99

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

Product Features:

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

Top-Quality Rear Differential Cover Gaskets for 1986 GMC S15s

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for GMC S15s and enjoy top-notch performance from $11.99.

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from

$11.99

7.5 GM cover gasket.

Product Features:

Cover gasket
Fits GM 7.5″ and 7.625″

Top Picks for 1986 GMC S15 Differential Covers

Invest in one of our 7 durable Differential Covers for your 1986 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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$24.99

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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$29.99

DIFF COVER KIT

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$379.99

Product Features:

Fits GM 7.5″ and 7.625″
Aluminum girdle cover

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$67.99

Chrome cover for 7.5″ GM.

Product Features:

Fits GM 7.5″ and 7.625″
Chrome

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$67.99

Product Features:

Fits GM 7.5″ and 7.625″
Steel

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$35.99

DIFF COVER KIT

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$29.99

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

Product Features:

Meets or exceeds OE specifications

Top-Rated Differential Bearings for 1986 GMC S15s

Make a smart move for your 1986 GMC S15 with products all priced from $10.99 to $24.99.

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$16.99

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

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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$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$17.99

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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$24.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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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$21.29

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

Product Features:

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

Top-Rated Differential Brands For Your 1986 GMC S15

When it comes to finding the perfect Differential for your 1986 GMC S15, 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 Valvoline, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $6.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1986 GMC S15, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1986 GMC S15 Differentials

If you’re looking for a top-quality Differential for your 1986 GMC S15, 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 1986 GMC S15 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 1986 GMC S15 Differentials

For those in search of a high-quality Differential for their 1986 GMC S15, 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 $11.99, with an average price of $60.32, giving you a range of options to suit your budget. Backed by over 29 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 $151.99

(2)

Axle Differential Bearing & Seal Kit

“All you need to overhaul a diff, at a good price”

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

from $11.99

(2)

Bearing Race

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

FAQs for 1986 GMC S15 Differentials

What are the best-selling Differentials for 1986 GMC S15s?

Out of 182 Differentials that fit 1986 GMC S15s, the following parts are the top sellers:

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (5782376) – $8.99
Multi-Purpose Bearing (3275973) – $16.99
Multi-Purpose Bearing (3275787) – $17.99

What’s the price range for 1986 GMC S15 Differentials?

The prices of Differentials for the 1986 GMC S15 range from $2.49 up to $2,219.99 for the most premium parts.

What is the average price of a Differential for a 1986 GMC S15?

The average price for Differentials for the 1986 GMC S15 is $278.36. 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 S15 model years?

Yes, we carry Differentials for 7 model years of GMC S15s between 1982 and 1990. The following model years are the most popular for Differential purchases: 1990, 1989, 1988, 1987, 1985, 1984, 1983, and 1982.

What are the cheapest Differentials for my 1986 GMC S15?

The cheapest 1986 GMC S15 Differentials we carry are:

Differential Ring Gear Bolt (10282141) – $2.49
Differential Pinion Gear Washer (10593184) – $2.49
Crush Sleeve (10715252) – $2.79
Ring Gear Bolt (20520168) – $2.99
Differential Cross Shaft (10282201) – $2.99

Does Advance Auto Parts sell Differentials for any other 1986 GMC models?

Yes. We stock Differentials for 23 other popular 1986 GMC models. Some of the most popular are 1986 Jimmy Differentials, 1986 K2500 Differentials, 1986 C2500 Differentials, 1986 K1500 Differentials, and 1986 C1500 Differentials.

What types of Differentials do you sell for my 1986 GMC S15?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1986 GMC S15:

Can I get help with 1986 GMC S15 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 S15 Differentials?

Advance Auto Parts keeps returns simple. For new GMC S15 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1986 GMC S15 Differentials

Yukon Gear – High Performance Ring & Pinion "Thick" Gear Set For GM 7.5" In A 3.42 Ratio (Part No.24479)

Yukon Gear – Aluminum Girdle Cover For GM 7.5" & 7.625" (Part No.32118)

Yukon Gear – Spider Gear Set For GM 7.5" & 7.625" Dura Grip Posi, 26 Spline (Part No.16116)

Yukon Gear – Mini Spool For GM 7.5" With 26 Spline Axles (Part No.32228)

National – Shaft Repair Sleeve (Part No.99155)

Yukon Gear – Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up (Part No.20106)

Yukon Gear – Standard Open Side Gear And Thrust Washer For 7.2" GM (Part No.33375)

Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

Motive Gear – Differential Super Bearing Kit – Koyo (Part No.R7.5GRSK)

Powertrax – No-Slip Traction System (Part No.9207853005)

Yukon Gear – Pinion Nut (Part No.33152)

Yukon Gear – Standard Open Spider Gear Kit For Late 7.625" GM With 28 Spline Axles (Part No.16049)

Richmond Gear – RngPnnInstlKt (Part No.83-1044-B)

Yukon Gear – Bearing Race Driver (Part No.56023)

Motive Gear – Differential Mini Spool (Part No.MS10-28)

Yukon Gear – Dura Grip Positraction For GM 7.5" & 7.625" With 26 Spline Axles, 3.23 & Up (Part No.26017)

Pro-King – Rear Axle Shaft Kit (Part No.AXK-135)

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

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

MOOG – Differential Carrier Bushing (Part No.K6572)

Motive Gear – Ring Gear Bolt (Part No.14066913)

Yukon Gear – 7.2" GM 7.5" GM & 8.2" GM Pinion Seal (Part No.30192)

USA Standard Gear – Master Overhaul Kit for the ’82-’99 GM 7.5" and 7.625" Differential (Part No.37049)

Yukon Gear – The Carrier Bearing Puller (Part No.56072)

Yukon Gear – Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles (Part No.55010)

Yukon Gear – Standard Open Pinion Gear And Thrust Washer For 7.2" GM (Part No.33376)

Pro-King – Differential Cross Shaft (Part No.741A673)

Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

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)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

Yukon Gear – 7.5 GM Cover Gasket (Part No.23018)

Dorman – Differential Cover (Part No.697-701)

ATP – DIFF COVER KIT (Part No.111102)

Yukon Gear – Aluminum Girdle Cover For GM 7.5" & 7.625" (Part No.32118)

Yukon Gear – Chrome Cover For 7.5" GM (Part No.32014)

Yukon Gear – Steel Cover For GM 7.5" & 7.625" (Part No.32331)

ATP – DIFF COVER KIT (Part No.111101)

Pro-King – Differential Carrier Cover (Part No.741A758)

National – Multi-Purpose Bearing (Part No.A-6)

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

National – Multi-Purpose Bearing (Part No.A-18)

National – Multi-Purpose Bearing (Part No.206)

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)