1971 GMC C15/C1500 Pickup Differentials

Keep Your 1971 GMC C15/C1500 Pickup in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1971 GMC C15/C1500 Pickup looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Oil, and Differential Covers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Motive Gear, and Richmond Gear. For example, National Differentials start at just $7.99 with an average 4.3 star rating. Motive Gear and Richmond Gear offer similar pricing and quality, backed by strong customer feedback. With over 864 reviews and a solid 4 star average, you can shop with confidence knowing other GMC C15/C1500 Pickup owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1971 GMC C15/C1500 Pickup Differential at Advance Auto Parts is around $302.33, with a range that starts at $3.99 and goes up to $1,969.99. With 296 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 Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket start at just $9.49 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 1971 GMC C15/C1500 Pickup in peak condition, inside and out.

Looking for the perfect Differential for your 1971 GMC C15/C1500 Pickup? 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/C1500 Pickup. Whether you’re driving a 1971 model or another popular model year like 1967, 1968, 1969, 1970, 1972, 1973, and 1974, 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 1971 GMC C15/C1500 Pickup Differentials

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$6.99

Product Features:

Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50

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$64.99

Chrome cover for GM 12T.

Product Features:

Fits GM 12 bolt truck
Chrome

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$64.99

Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:

For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.

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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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$153.99

Set-up bearing (one bearing). HM803146. No return.

Product Features:

Set up bearing
Fits HM803146 pinion bearing
Easily slips on and off pinion journal to allow for pinion depth adjustment

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$9.79

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

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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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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

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$218.99

Yukon standard open spider gear replacement kit for Dana 44 with 30 spline axles (all are without c-cup, including IFS). Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:

Spider gear kit
Fit Dana Spicer 44 open differential with 30 spline axles
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

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$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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$139.99

Dana 44 & 9.25 Chrysler TracLoc clutch kit.

Product Features:

Clutch kit
Fits Dana Spicer 44 and Chrysler 9.25″ Trac Loc positraction

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$18.99

Product Features:

Bulkhead quit connect fitting

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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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$20.49

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

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$354.99

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.

Product Features:

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

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$47.99

12T solid crush sleeve replacement spacer, pinion preload.

Product Features:

Crush sleeve eliminator kit for GM 12 bolt truck

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$16.99

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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$13.99

Product Features:

Cover gasket
Fits Dana Spicer 60, 70, 70U and 70HD

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$239.99

Yukon replacement trail repair kit for Dana 60 with 1350 size U/joint and u-bolts. 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 60 and 70
1350 u-joint size
Kit includes yoke, U-joint, pinion seal, pinion nut and washer, U-bolts and threadlocker

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$13.99

Product Features:

Carrier shim kit for Dana Spicer 60, 70, 70HD, 70U and 80

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$29.99

20 long air line for Zip Locker.

Product Features:

Air line
20′ in length

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$24.29

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

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$227.99

Product Features:

DANA-44 R/P 5.38 STD MG

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$7.99

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

Product Features:

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

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$829.99

The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:

Fits Dana Spicer 60 with 35 spline axles
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case

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$4.99

Replacement ring gear bolt for Dana 60, 70, 70U & 70HD, 1/2″ x 18.

Product Features:

Ring gear bolt for Dana Spicer 60, 70, 70U and 70HD
1/2″ x 18 thread

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$49.99

Product Features:

USA Standard Gear heavy-duty cross pin shaft
Fits GM 12 bolt car and truck and 9.5″ Toyota Landcruiser
Works with Spartan Locker or standard open spider gears

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$3.99

Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

Product Features:

Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50

Popular 1971 GMC C15/C1500 Pickup Differentials Categories

Differential Oil

Pinion Shaft Bearings

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Front Housing Cover Gaskets

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Lock Assemblies

Differential Air System Seal Housings

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Differential Pinion Bearing Kits

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

Most Popular Rear Differential Cover Gaskets for 1971 GMC C15/C1500 Pickups

Enhance your 1971 GMC C15/C1500 Pickup with one of the 3 Rear Differential Cover Gaskets we have in stock, starting at just $9.49.

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$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

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$12.99

12T cover gasket.

Product Features:

Cover gasket
Fits GM 12 bolt truck

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$9.99

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

Product Features:

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

Best-Selling 1971 GMC C15/C1500 Pickup Differential Oil

Upgrade your C15/C1500 Pickup with one of our 5 best-selling Differential Oil, earning an average 5 stars rating across 2 reviews.

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$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

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$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

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$148.99

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

Product Features:

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

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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Quality Differential Covers for 1971 GMC C15/C1500 Pickups

Choose a high-quality OEM or aftermarket Differential Cover for GMC C15/C1500 Pickups and enjoy top-notch performance from $64.99.

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$64.99

Chrome cover for GM 12T.

Product Features:

Fits GM 12 bolt truck
Chrome

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$114.99

Product Features:

Fits standard rotation Dana Spicer 60
Steel

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$288.99

Product Features:

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

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$269.99

Polished aluminum replacement cover for Dana 60 (standard rotation only).

Product Features:

Fits standard rotation Dana Spicer 60
Finned polished aluminum

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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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$89.99

Chrome replacement cover for Dana 60 and 61(not reverse rotation!).

Product Features:

Fits standard rotation Dana Spicer 60
Chrome

Top Picks for 1971 GMC C15/C1500 Pickup Differential Bearings

Invest in one of our 6 durable Differential Bearings for your 1971 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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$27.99

Product Features:

CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN: Engineered to meet OE specifications
COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

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$17.79

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

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$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

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$24.29

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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$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

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$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

Top-Rated Differential Pinion Seals for 1971 GMC C15/C1500 Pickups

Make a smart move for your 1971 GMC C15/C1500 Pickup with products all priced from $8.29 to $39.99.

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$9.79

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$17.49

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: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$16.49

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

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$8.29

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

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$39.99

Replacement pinion seal for Dana 44HD, Dana 60 & Dana 70 .Yukon Mighty seal.

Product Features:

Pinion seal
Pinion seal
Fits Dana Spicer 44HD, 60, 70, 70U and 70HD

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$13.99

12T, 12P, & CI Vette pinion seal.Yukon Mighty seal.

Product Features:

Pinion seal
Fits GM 12 bolt passenger car and truck and 1963-1979 Corvette

Top-Rated Differential Brands For Your 1971 GMC C15/C1500 Pickup

When it comes to finding the perfect Differential for your 1971 GMC C15/C1500 Pickup, 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 Richmond Gear, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1971 GMC C15/C1500 Pickup, providing peace of mind with parts that meet or exceed OEM standards.

Popular Richmond Gear 1971 GMC C15/C1500 Pickup Differentials

If you’re looking for a top-quality Differential for your 1971 GMC C15/C1500 Pickup, Advance Auto Parts has exactly what you need with our selection of Richmond Gear Differentials. We have 2 Richmond Gear Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $350.99 and an average cost of $360.49, you’ll find the perfect Differential for your needs and budget. Richmond Gear Differentials for the 1971 GMC C15/C1500 Pickup come highly rated, with over 3 customer reviews and an impressive average rating of 4.5 stars. Choosing a Richmond Gear Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $369.99

(1)

Differential Ring And Pinion

“Be patient after install….may make bearing type noise the first few starts….after that smooth sailing!”

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”

Top-Quality National 1971 GMC C15/C1500 Pickup Differentials

For those in search of a high-quality Differential for their 1971 GMC C15/C1500 Pickup, 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 $17.66, giving you a range of options to suit your budget. Backed by over 44 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 $16.99

(39)

Multi-Purpose Bearing

“Great bearings”

from $27.99

(1)

Multi-Purpose Bearing

“great price”

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.”

FAQs for 1971 GMC C15/C1500 Pickup Differentials

What are the best-selling Differentials for 1971 GMC C15/C1500 Pickups?

Out of 296 Differentials that fit 1971 GMC C15/C1500 Pickups, 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
Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket (5783836) – $9.49

What’s the price range for 1971 GMC C15/C1500 Pickup Differentials?

The prices of Differentials for the 1971 GMC C15/C1500 Pickup range from $3.99 up to $1,969.99 for the most premium parts.

What is the average price of a Differential for a 1971 GMC C15/C1500 Pickup?

The average price for Differentials for the 1971 GMC C15/C1500 Pickup is $302.33. 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/C1500 Pickup model years?

Yes, we carry Differentials for 6 model years of GMC C15/C1500 Pickups between 1967 and 1974. The following model years are the most popular for Differential purchases: 1974, 1973, 1972, 1970, 1969, 1968, and 1967.

What are the cheapest Differentials for my 1971 GMC C15/C1500 Pickup?

The cheapest 1971 GMC C15/C1500 Pickup Differentials we carry are:

Dana 44 JK / 60 / 70U Pinion Nut Washer Replacement (11643194) – $3.99
Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18 (11643357) – $4.99
Side Gear Thrust Washer For Dana 60, 70 & 80 (11642996) – $4.99
3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (11642511) – $4.99
Dana 60, Dana 70 & Dana 80 Cover Bolt (11642999) – $5.99

Does Advance Auto Parts sell Differentials for any other 1971 GMC models?

Yes. We stock Differentials for 16 other popular 1971 GMC models. Some of the most popular are 1971 Jimmy Differentials, 1971 G25/G2500 Van Differentials, 1971 C15/C1500 Suburban Differentials, 1971 K15/K1500 Pickup Differentials, and 1971 K25/K2500 Pickup Differentials.

What types of Differentials do you sell for my 1971 GMC C15/C1500 Pickup?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1971 GMC C15/C1500 Pickup:

Can I get help with 1971 GMC C15/C1500 Pickup 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/C1500 Pickup Differentials?

Advance Auto Parts keeps returns simple. For new GMC C15/C1500 Pickup Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1971 GMC C15/C1500 Pickup Differentials

Yukon Gear – Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement (Part No.33012)

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

Richmond Gear – Differential Cross Shaft (Part No.80-0269-1)

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

Yukon Gear – Set Up Bearing (Part No.56067)

Driveworks – Oil Seal (Part No.S-8460N)

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

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

Yukon Gear – Dana 44 Standard Open Spider Gear Kit Replacement (Part No.16077)

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

Yukon Gear – Dana 44 And Chrysler 9.25" Traclloc Clutch Kit Replacement (Part No.16153)

Yukon Gear – Zip Locker Bulkhead Quick-Disconnect Fitting (Part No.34038)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6095-1)

National – Bearing Race (Part No.HM803110)

Yukon Gear – High Performance Replacement Ring & Pinion Gear Set For Dana 44 In A 5.89 Ratio (Part No.24046)

Yukon Gear – Crush Sleeve Eliminator Kit For GM 12 Bolt Truck (Part No.55046)

National – Multi-Purpose Bearing (Part No.A-5)

Yukon Gear – Replacement Cover Gasket For Dana 50, Dana 60 & Dana 70 (Part No.23007)

Yukon Gear – Replacement Trail Repair Kit For Dana 60 With 1350 Size U/Joint And U-Bolts (Part No.32284)

Yukon Gear – Replacement Carrier Shim Kit For Dana 60, 70, 70HD, 70U & 80 (Part No.55011)

Yukon Gear – 20 Long Air Line For Zip Locker (Part No.34002)

FAG US – Cone (Part No.KM86649)

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

Yukon Gear – Standard Open Side Gear And Thrust Washer For GM 12 Bolt Car And Truck (Part No.33380)

USA Standard Gear – Spartan Locker for Dana 60 Differential with 35 Spline Axles, Includes Heavy-duty Cross Pin Shaft (Part No.17004)

Yukon Gear – Replacement Ring Gear Bolt For Dana 60, 70, 70U & 70HD, 1/2" X 18 (Part No.33037)

USA Standard Gear – 12 Bolt GM Spartan Locker Cross Pin (Part No.17023)

Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

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)

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

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)

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

Yukon Gear – Steel Cover For Dana 60 Standard Rotation (Part No.32321)

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

Yukon Gear – Polished Aluminum Replacement Cover For Dana 60 (Part No.32024)

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

Yukon Gear – Chrome Replacement Cover For Dana 60 And 61 Standard Rotation (Part No.32005)

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

National – Bearing Race (Part No.382S)

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

FAG US – Cone (Part No.KM86649)

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

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

Driveworks – Oil Seal (Part No.S-8460N)

National – Multi-Purpose Seal (Part No.9316)

Motive Gear – Differential Pinion Seal (Part No.9316)

Motive Gear – Differential Pinion Seal (Part No.8460N)

Yukon Gear – Replacement Pinion Seal For Dana 44HD, Dana 60 & Dana 70 (Part No.30208)

Yukon Gear – 12T, 12P, & CI Vette Pinion Seal (Part No.30187)