1975 GMC C15 Differentials

Name: Differential Crush Sleeve
Brand: Motive Gear
SKU: 3954482
Price: 5.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1975 GMC C15 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1975 GMC C15 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Differential Bearings, and Differential Axle Shafts. 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, Motive Gear, and Valvoline. For example, Richmond Gear Differentials start at just $350.99 with an average 4.5 star rating. Motive Gear and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 3,560 reviews and a solid 4 star average, you can shop with confidence knowing other GMC C15 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1975 GMC C15 Differential at Advance Auto Parts is around $241.53, with a range that starts at $0.91 and goes up to $1,969.99. With 162 options in stock from 13 trusted brands, finding the right fit is easy. Popular picks like 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, 3 Qt – Penzoil 80W90 Conventional Gear Oil, and Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt start at just $9.99 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 Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1975 GMC C15 in peak condition, inside and out.

Looking for the perfect Differential for your 1975 GMC C15? 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 C15. Whether you’re driving a 1975 model or another popular model year like 1976, 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 1975 GMC C15 Differentials

from

$5.99

Product Features:

CRUSH SLV 8 7/8 12BLT TRK

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$442.99

The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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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$21.99

Product Features:

Pinion depth shims for GM 7.5″, 7.625″, 7.6 IFS, 7.6 IRS, 7.75″, 8.2″, 1955-1964 passenger car and 12 bolt car and truck

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$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

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$689.99

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 most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with 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
Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications

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$17.99

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:

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$178.99

This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:

Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
Durable construction – designed to rigorous standards and tested to ensure performance
Trustworthy solution – backed by team of engineers and quality control specialists in the United States

from

$21.99

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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$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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$34.49

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

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$194.99

USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:

Fits GM 12 bolt truck
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.

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$8.99

Positraction clutch guide.

Product Features:

Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
Compatible with Dura Grip positractions only

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$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

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

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$59.99

Product Features:

Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
Interlocking design makes installation much easier

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$425.99

Yukon positraction internals (0.806″ diameter) for GM 12P and 12T with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

Product Features:

Spider gear kit
Fit GM 12 bolt passenger car and truck Dura Grip positraction 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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$69.99

Product Features:

MINI INSTALL KIT GM 12BLT 8.875 TRUCK

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$355.99

Yukon yoke for GM 12 bolt car & truck, 1330 u/joint size. 3.625″ 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
1330 u-joint size
Outside snap ring design
3.625″ snap ring span
1.062″ cap diameter
U-bolt style

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$101.99

Product Features:

MINI SPOOL – DANA 44, 30 SPL.

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$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

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$859.99

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 12 bolt truck with 30 spline axles
3.73 and up ratio only
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

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$121.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.6″, 12 bolt car and 12 bolt truck differential. This kit contains carrier bearings, races and shims.

Product Features:

Fits GM 12 bolt passenger car and truck and 8.6″
Includes carrier bearings and races and “super” carrier shim kit

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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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$232.99

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 GM 12 bolt truck
Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

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$454.99

Yukon Performance 1.94″ deck steel spool for GM 12T with 30 spline axles. Spool uses 1.785″ journal bearings. fits 3.73 and up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects. This spool requires the use of a C-Clip eliminator kit to be used.

Product Features:

Fits GM 12 bolt truck with 30 spline axles
3.73 and up ratio only
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles

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$109.99

12P, 12T, CI VET, & 55GM 8460N REDI sleeve yoke saver.Yukon Mighty seal.

Product Features:

Pinion Redi-sleeve
Fits GM 12 bolt passenger car, 12 bolt truck and 1963-1979 Corvette

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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

from

$0.91

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

Product Features:

Meets or exceeds OE specifications

Popular 1975 GMC C15 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 Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Pinion Supports

Differential Lock Assemblies

Differential Spools

Differential Carrier Bearings

Differential Pinion Bearing Kits

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 Gear Thrust Washers

Differential Ring and Pinion Kits

Differential Clutch Pack Clips

Differential Lock Washers

Best-Selling 1975 GMC C15 Differential Bearings

Upgrade your C15 with one of our 2 best-selling Differential Bearings, earning an average 4 stars rating across 1 reviews.

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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

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$21.29

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

Top-Quality Differential Axle Shafts for 1975 GMC C15s

Choose a high-quality OEM or aftermarket Differential Axle Shaft for GMC C15s and enjoy top-notch performance from $123.99.

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$134.99

The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:

AXLE SHAFT 8 7/8 2 WD 31 1/4 TRK 30 SPL 5 LUG

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$142.99

This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:

Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
Durable construction – designed to rigorous standards and tested to ensure performance
Trustworthy solution – backed by team of engineers and quality control specialists in the United States

from

$269.99

Yukon 1541H alloy 5 lug rear axle for ’71-’81 GM 12T 2WD with a length of 31-7/16 inches and 30 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects.This is a C-clip.

Product Features:

Fits 1970-1981 GM 12 bolt truck with 2 wheel drive
30 spline
31 7/16″ long
5 lug

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$228.99

USA Standard axle for ’71-’81 2WD GM Truck. 12 bolt differential, 31 7/16″, 5 lug, 30 spline.

Product Features:

Fits 1970-1981 GM 12 bolt truck with 2 wheel drive
30 spline
31 7/16″ long
5 lug

from

$123.99

Axle shaft damaged or bearings worn out. This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:

Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
Durable construction – designed to rigorous standards and tested to ensure performance
Trustworthy solution – backed by team of engineers and quality control specialists in the United States

Top Picks for 1975 GMC C15 Rear Differential Cover Gaskets

Invest in one of our 2 durable Rear Differential Cover Gaskets for your 1975 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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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

$12.99

12T cover gasket.

Product Features:

Cover gasket
Fits GM 12 bolt truck

Top-Rated Differential Oil for 1975 GMC C15s

Make a smart move for your 1975 GMC C15 with products all priced from $12.99 to $148.99.

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from

$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

from

$12.99

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

from

$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-Rated Differential Brands For Your 1975 GMC C15

When it comes to finding the perfect Differential for your 1975 GMC C15, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Differential brands including Valvoline, Richmond Gear, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $12.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1975 GMC C15, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1975 GMC C15 Differentials

If you’re looking for a top-quality Differential for your 1975 GMC C15, 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 1975 GMC C15 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 Richmond Gear 1975 GMC C15 Differentials

For those in search of a high-quality Differential for their 1975 GMC C15, Advance Auto Parts offers a great selection of Richmond Gear Differentials. With 3 Richmond Gear 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 $350.99, with an average price of $354.32, giving you a range of options to suit your budget. Backed by over 10 customer ratings and an average rating of 4.5 stars, Richmond Gear Differentials provide both reliability and excellent performance. Choosing a Richmond Gear Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

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”

FAQs for 1975 GMC C15 Differentials

What are the best-selling Differentials for 1975 GMC C15s?

Out of 162 Differentials that fit 1975 GMC C15s, the following parts are the top sellers:

3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99
3 Qt – Penzoil 80W90 Conventional Gear Oil (11644279) – $44.99
Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (11642515) – $9.99

What’s the price range for 1975 GMC C15 Differentials?

The prices of Differentials for the 1975 GMC C15 range from $0.91 up to $1,969.99 for the most premium parts.

What is the average price of a Differential for a 1975 GMC C15?

The average price for Differentials for the 1975 GMC C15 is $241.53. 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 C15 model years?

Yes, we carry Differentials for 2 model years of GMC C15s between 1976 and 1978. The following model years are the most popular for Differential purchases: 1978, 1977, and 1976.

What are the cheapest Differentials for my 1975 GMC C15?

The cheapest 1975 GMC C15 Differentials we carry are:

Differential Ring Gear Bolt (10282203) – $0.91
Differential Crush Sleeve (10282146) – $2.99
Differential Ring Gear Bolt (10282159) – $2.99
Differential Cross Shaft (10282201) – $2.99
Differential Drive Pinion Nut (10593156) – $4.99

Does Advance Auto Parts sell Differentials for any other 1975 GMC models?

Yes. We stock Differentials for 11 other popular 1975 GMC models. Some of the most popular are 1975 Jimmy Differentials, 1975 K25 Differentials, 1975 K15 Differentials, 1975 G25 Differentials, and 1975 C25 Differentials.

What types of Differentials do you sell for my 1975 GMC C15?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1975 GMC C15:

Can I get help with 1975 GMC C15 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 C15 Differentials?

Advance Auto Parts keeps returns simple. For new GMC C15 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1975 GMC C15 Differentials

Motive Gear – Differential Crush Sleeve (Part No.3954482)

Powertrax – Lock Right Locker (Part No.2415-LR)

Yukon Gear – Pinion Depth Shims For GM 7.5", 7.75", 8.2" & 12 Bolt Truck (Part No.55008)

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

Yukon Gear – The Carrier Bearing Puller (Part No.56034)

National – Differential Pinion Seal (Part No.2043)

Dorman – Axle Shaft (Part No.630-125)

Pro-King – Differential Cross Shaft (Part No.742J673)

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

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

USA Standard Gear – Master Overhaul Kit for the GM 12T Differential (Part No.37043)

Yukon Gear – Positraction Clutch Guide (Part No.33352)

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

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)

Yukon Gear – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

Yukon Gear – Positraction Internals For GM 12 Bolt Car And Truck With 30 Spline Axles (Part No.16039)

Motive Gear – Differential Gear Install Kit (Part No.GM12IK)

Yukon Gear – Yoke For GM 12 Bolt Car & Truck, 1330 U/Joint Size (Part No.41152)

Motive Gear – Differential Mini Spool (Part No.MSD44-30)

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 – Dura Grip Positraction For GM 12 Bolt Truck With 30 Spline Axles, 3.73 & Up (Part No.26035)

Yukon Gear – 8.6" GM 12P 12T & F8.8 Carrier Installation Kit (Part No.57010)

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

Yukon Gear – Pinion Install Kit For GM 12 Bolt Truck Differential (Part No.13057)

Yukon Gear – Steel Spool For GM 12 Bolt Truck With 30 Spline Axles, 3.73 & Up (Part No.32190)

Yukon Gear – 12P, 12T, CI Vet, & 55GM 8460N Redi Sleeve Yoke Saver (Part No.30225)

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

Pro-King – Differential Ring Gear Bolt (Part No.742J935)

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

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

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

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

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

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

Motive Gear – Axle Shaft (Part No.14071751)

Dorman – Axle Shaft (Part No.630-128)

Yukon Gear – 1541H Alloy 5 Lug Rear Axle For ’71-’81 GM 12T 2WD (Part No.21257)

USA Standard Gear – Axle For ’71-’81 2WD GM Truck (Part No.35112)

Dorman – Rear Axle Shaft, Left Or Right (Part No.630-128A)

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

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

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)