1971 GMC K25/K2500 Pickup Differentials

Keep Your 1971 GMC K25/K2500 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 K25/K2500 Pickup 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 Differential Bearings. 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 Richmond Gear. For example, National Differentials start at just $10.99 with an average 4.3 star rating. Valvoline and Richmond Gear offer similar pricing and quality, backed by strong customer feedback. With over 432 reviews and a solid 4 star average, you can shop with confidence knowing other GMC K25/K2500 Pickup owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1971 GMC K25/K2500 Pickup Differential at Advance Auto Parts is around $234.40, with a range that starts at $3.99 and goes up to $1,497.99. With 248 options in stock from 13 trusted brands, finding the right fit is easy. Popular picks like DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, Tapered Roller Bearing Cone, and Replacement Ring Gear Bolt For Model 35, Dana 25, 27, 30 & 44 – 3/8" X 24 start at just $11.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1971 GMC K25/K2500 Pickup in peak condition, inside and out.

Looking for the perfect Differential for your 1971 GMC K25/K2500 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 K25/K2500 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 K25/K2500 Pickup Differentials

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$57.99

Pilot bearing for 10.5″ 14 bolt truck, 2.050″ O.D.

Product Features:

Pilot bearing
Fits GM 10.5″ 14 bolt truck
2.050″ O.D.

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$8.99

Product Features:

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

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$203.99

Yukon replacement standard open carrier case for Dana 44, 30 spline, 3.73 & down, bare. This case includes carrier shims, roll pin, ring gear bolts and a cover gasket.

Product Features:

Standard open carrier case
Does not include spider gears
Includes carrier shims, roll pin, ring gear bolts and a cover gasket.
Fits Dana Spicer 44
3.73 and down ratio only

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$6.99

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

Product Features:

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

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$287.99

Yukon mini spool for GM 10.5″ 14 bolt truck.

Product Features:

Fits 10.5″ GM 14 bolt truck
Provides 100% traction to both wheels at all times
Installs into standard open carrier case

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$142.99

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

Product Features:

Fits standard rotation Dana Spicer 44 front
Included are a pinion seal, axle seals, complete shim kit, marking compound and brush.

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$28.99

Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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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$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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$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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$19.79

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

Product Features:

Oil baffle for Dana Spicer 44

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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.

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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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$349.99

Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:

Fits 1988 and down GM 10.5″ 14 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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$535.99

Product Features:

Each LuK GearBOX contains all the OE quality bearings needed for a professional transmission repair
LuK Differential Bearing Kits are designed to meet or exceed OEM requirements. This will ensure customer satisfaction.
LuK Differential Bearing Kits contain the bearings and seals needed to complete the job.
LuK Differential Bearing Kits include wear parts such as seals, O-rings, shaft sealing rings, support bearings and spare parts where necessary for eliminating the specific cause of failure.

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$219.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits LM104911 race
All steel construction

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$227.99

Product Features:

DANA-44 R/P 5.38 STD MG

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$8.99

14T pinion gear Thrust washer.

Product Features:

Pinion gear thrust washer
Fits GM 10.5″ 14 bolt truck

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$15.99

Product Features:

Carrier shim kit for Dana Spicer 30 with 30 spline axles

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$38.49

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

Product Features:

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

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$6.99

Product Features:

DANA PRELOAD SHIMS (D60 & D70)

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$86.99

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:

OUTER SHAFT 9.72 O.A. ’71-77 BRONCO W/ DISK BRAKES ’78-79 BRONCO & F150

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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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$67.99

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

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$26.99

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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$11.29

Product Features:

O-ring for seal housing
Fits Dana Spicer 44 and Toyota 8″ and V6

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$5.99

DiffrlPinSupportBolt

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$12.99

Dana 30 & Dana 44 roll PIN, 0.235″ DIA, for cross pin shaft.

Product Features:

Roll pin for Dana Spicer 30 and Dana Spicer 44
0.235″ diameter

Popular 1971 GMC K25/K2500 Pickup Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Front Housing Cover Gaskets

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Differential Lock Assemblies

Differential Air System Seal Housings

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Gear Bearing Retainer Bolts

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Pinion Gear Washers

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Differential Lock Thrust Blocks

Most Popular Differential Oil for 1971 GMC K25/K2500 Pickups

Enhance your 1971 GMC K25/K2500 Pickup with one of the 5 Differential Oil we have in stock, starting at just $11.99.

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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

from

$11.99

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

from

$148.99

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

Product Features:

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

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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 1971 GMC K25/K2500 Pickup Rear Housing Cover Gasket

Upgrade your K25/K2500 Pickup with our best-selling Rear Housing Cover Gasket with a 4.5 Starts rating across 10 reviews.

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from

$7.99

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

Top-Quality Differential Bearings for 1971 GMC K25/K2500 Pickups

Choose a high-quality OEM or aftermarket Differential Bearing for GMC K25/K2500 Pickups and enjoy top-notch performance from $8.49.

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$17.49

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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$19.99

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

Product Features:

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

from

$57.99

Product Features:

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

from

$8.49

Product Features:

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

from

$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

from

$19.99

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

Product Features:

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

Top Picks for 1971 GMC K25/K2500 Pickup Differential Covers

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

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$67.99

0.080″ thick Chrome replacement cover for Dana 44.

Product Features:

Fits standard rotation Dana Spicer 44
Chrome

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$92.99

Product Features:

Fits GM 10.5″ 14 bolt truck
Steel

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$59.99

Chrome cover for GM 14T.

Product Features:

Fits GM 10.5″ 14 bolt truck
Chrome

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$129.99

Product Features:

Fits standard rotation Dana Spicer 44
Steel

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$359.99

Aluminum Girdle replacement cover for Dana 44 TA HD.

Product Features:

Fits standard rotation Dana Spicer 44
Aluminum girdle cover

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$271.99

Differential

Rear Differential Cover Gaskets for 1971 GMC K25/K2500 Pickups

Make a smart move for your 1971 GMC K25/K2500 Pickup with products all priced from $9.99 to $13.99.

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$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

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$12.99

Product Features:

Cover gasket
Fits Dana Spicer 44

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$9.99

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.

Top-Rated Differential Brands For Your 1971 GMC K25/K2500 Pickup

When it comes to finding the perfect Differential for your 1971 GMC K25/K2500 Pickup, 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 National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $10.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1971 GMC K25/K2500 Pickup, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1971 GMC K25/K2500 Pickup Differentials

If you’re looking for a top-quality Differential for your 1971 GMC K25/K2500 Pickup, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $14.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1971 GMC K25/K2500 Pickup come highly rated, with over 2 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 $14.49

(2)

DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

“I’ve used this in my 2005 2500HD since I bought the truck with 20k on it now at 280k changed every other year maybe 40k I’d put on in two years, I pu”

Top-Quality Richmond Gear 1971 GMC K25/K2500 Pickup Differentials

For those in search of a high-quality Differential for their 1971 GMC K25/K2500 Pickup, Advance Auto Parts offers a great selection of Richmond Gear Differentials. With 1 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 $369.99, giving you a range of options to suit your budget. Backed by over 1 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 $369.99

(1)

Differential Ring And Pinion

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

FAQs for 1971 GMC K25/K2500 Pickup Differentials

What are the best-selling Differentials for 1971 GMC K25/K2500 Pickups?

Out of 248 Differentials that fit 1971 GMC K25/K2500 Pickups, the following parts are the top sellers:

DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
Tapered Roller Bearing Cone (3277410) – $19.99
Replacement Ring Gear Bolt For Model 35, Dana 25, 27, 30 & 44 – 3/8" X 24 (11643216) – $11.99

What’s the price range for 1971 GMC K25/K2500 Pickup Differentials?

The prices of Differentials for the 1971 GMC K25/K2500 Pickup range from $3.99 up to $1,497.99 for the most premium parts.

What is the average price of a Differential for a 1971 GMC K25/K2500 Pickup?

The average price for Differentials for the 1971 GMC K25/K2500 Pickup is $234.40. 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 K25/K2500 Pickup model years?

Yes, we carry Differentials for 6 model years of GMC K25/K2500 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 K25/K2500 Pickup?

The cheapest 1971 GMC K25/K2500 Pickup Differentials we carry are:

Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (11642796) – $3.99
Dana 44 Pinion Gear Thrust Washer (11642998) – $4.99
Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (11642264) – $5.99
Replacement Floater Roll Pin For Dana 44 & 8.75" Chrysler Power Lok (11642577) – $5.99
Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50 (11642565) – $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 Pickup Differentials, 1971 C15/C1500 Suburban Differentials, and 1971 K15/K1500 Pickup Differentials.

What types of Differentials do you sell for my 1971 GMC K25/K2500 Pickup?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1971 GMC K25/K2500 Pickup:

Can I get help with 1971 GMC K25/K2500 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 K25/K2500 Pickup Differentials?

Advance Auto Parts keeps returns simple. For new GMC K25/K2500 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 K25/K2500 Pickup Differentials

Yukon Gear – Pilot Bearing For 10.5" 14 Bolt Truck, 2.050" O.D. (Part No.18041)

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

Yukon Gear – Replacement Standard Open Carrier Case For Dana 44, 30 Spline, 3.73 & Down, Bare (Part No.20115)

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

Yukon Gear – Mini Spool For GM 10.5" 14 Bolt Truck (Part No.32301)

Yukon Gear – Minor Install Kit For Dana 44 Differential (Part No.12017)

FAG US – Shaft Seal (Part No.SS2633)

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

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)

FAG US – Shaft Seal (Part No.SS2776)

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

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

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

Yukon Gear – Pinion Install Kit For ’88 And Older 10.5" GM 14 Bolt Truck Differential (Part No.13058)

LuK – Differential Repair Kit (Part No.GDK331)

Yukon Gear – Bearing Race Driver (Part No.56019)

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

Yukon Gear – 14T Pinion Gear Thrust Washer (Part No.33384)

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

National – Tapered Roller Bearing Cone (Part No.HM803146)

Motive Gear – Differential Pinion Shim Kit (Part No.1118)

Motive Gear – Axle Shaft (Part No.620200R)

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

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

Richmond Gear – Differential Cross Shaft (Part No.CSPD44)

Yukon Gear – O-Ring For Toyota & Dana 44 Zip Locker Seal Housing (Part No.34004)

Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

Yukon Gear – Dana 30 / 44 Roll Pin Replacement (Part No.33312)

Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

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

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

National – Bearing Race (Part No.28622)

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

National – Multi-Purpose Bearing (Part No.KD-11786-Y)

National – Bearing Race (Part No.LM501310)

National – Bearing Race (Part No.382S)

National – Bearing Race (Part No.25523)

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

Yukon Gear – Steel Cover For GM 10.5" 14 Bolt Truck (Part No.32345)

Yukon Gear – Chrome Cover For 10.5" GM 14 Bolt Truck (Part No.32013)

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

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

Yukon Gear – Differential (Part No.29101)

Yukon Gear – GM 10.5′ 14 Bolt Truck Cover Gasket (Part No.23016)

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

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