1973 GMC K25/K2500 Pickup Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1973 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 1973 GMC K25/K2500 Pickup looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Rear Differential Cover Gaskets, 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, Valvoline, and Felpro. For example, National Differentials start at just $13.99 with an average 4.3 star rating. Valvoline and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 10,589 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 1973 GMC K25/K2500 Pickup Differential at Advance Auto Parts is around $248.46, with a range that starts at $0.91 and goes up to $1,566.99. With 251 options in stock from 15 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 Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket start at just $7.99 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 1973 GMC K25/K2500 Pickup in peak condition, inside and out.

Looking for the perfect Differential for your 1973 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 1973 model or another popular model year like 1966, 1967, 1968, 1969, 1970, 1971, 1972, 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 1973 GMC K25/K2500 Pickup Differentials

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$211.99

Product Features:

GM10.5″ 14 BOLT OPEN EMPTY CASE 4:10 & DWN

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$191.99

Product Features:

DANA-44 R/P 4.09 STD MG 22745-5X

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$101.99

Product Features:

MINI SPOOL – DANA 44, 30 SPL.

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$6.99

Product Features:

D30 PRE-LOAD SPACER (SHIM PACK)

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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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$203.99

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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$535.99

Each LuK Differential Bearing Kit contains all the OE quality bearings needed for a professional transmission repair. Differential bearing kits are the perfect repair solution for a broken transmission. We carefully select OE quality components for each individual transmission for a professional repair.

Product Features:

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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$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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$6.99

Product Features:

Oil baffle for Dana Spicer 44

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$234.99

Yukon replacement trail repair kit for Dana 30 and 44 with 1310 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 30 and 44
1310 u-joint size
Kit includes yoke, U-joint, pinion seal, pinion nut and washer, U-bolts and threadlocker

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$149.99

Yukon replacement standard open carrier case for Dana 44, 3.92 & up, 2-3/8″ tall.

Product Features:

Standard open carrier case
Fits Dana Spicer 44 with 30 spline axles
3.92 and up ratio only
Does not include spider gears

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$138.99

Wiper kit SMALL w/8 retaining bolts, Dana 25, Dana 27, Dana 30, & Dana 44.

Product Features:

Fits Dana Spicer 25, 27, 30 and 44 front
8 bolt design
Services one side

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$5.99

DiffrlPinSupportBolt

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$12.99

Product Features:

Cover gasket
Fits Dana Spicer 44

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$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

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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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$83.99

Product Features:

Seal housing for Dana Spicer 44
Includes o-rings

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$189.99

Set-up carrier bearing (2 bearings, no races) 25590. No return.

Product Features:

Set up bearing kit
Fits Dana Spicer 44
Easily slips on and off carrier journals to allow for easier carrier shim adjustment

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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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$10.99

14T ring gear bolt 4.11 & down. 9/16″ x 18. 2.085″ overall length.

Product Features:

Ring gear bolt for GM 10.5″ 14 bolt truck
4.11 and down ratio
1/2″ x 18 thread
2.085″ overall length

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$282.99

Product Features:

Fits Chrysler Dana Spicer 44 with 30 spline axles
3.73 and down ratio only
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles

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$24.79

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

Product Features:

Premium bearing design matches OEM specifications
Precision manufactured using premium-grade steel for outstanding durability and performance
Crowned raceways and rollers to ensure even load distribution for maximum life
Industry leading coverage
Professional technicians know they can depend on National

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$37.99

14T GM pinion shim kit.

Product Features:

Pinion depth shims for GM 10.5″ 14 bolt truck

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$17.99

Replacement pinion seal for Dana 25, Dana 27, Dana 30, D36, Dana 44, & Dana 50 .Yukon Mighty seal.

Product Features:

Pinion seal
Fits Dana Spicer 25, 27, 30, 40 and 50

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$215.99

Bearing race driver for Dana 44 rear. (TK 31520) No return.

Product Features:

Bearing race driver
Fits 31520 race
All steel construction

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$7.99

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

Product Features:

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

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$6.99

Product Features:

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

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$1497.99

Yukon front 4340 Chrome-Moly replacement axle kit for ’69-’80 GM truck and Blazer, Dana 44 with 19/30 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axles for both left and right sides along with Yukon Superjoints. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

30 spline inner and 19 spline outer
Fits Dana Spicer 44 in 1969-1980 GM 1/2 ton
Includes inner and outer 4340 Chromoly axles and Yukon Super Joints

Popular 1973 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

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 Cases

Differential End Yokes

Differential Lock Assemblies

Differential Air System Seal Housings

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

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 Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Differential Lock Thrust Blocks

Most Popular Rear Housing Cover Gasket for 1973 GMC K25/K2500 Pickups

Enhance your 1973 GMC K25/K2500 Pickup with this popular Rear Housing Cover Gasket we have in stock, for $7.99.

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$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

Best-Selling 1973 GMC K25/K2500 Pickup Rear Differential Cover Gaskets

Upgrade your K25/K2500 Pickup with one of our 3 best-selling Rear Differential Cover Gaskets, earning an average 5 stars rating across 1 reviews.

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$21.49

Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear

Product Features:

.047″ thick cellulose/nitrile composite gasket material
Precision die cut
Reusable

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$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

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$3.99

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

Product Features:

Meets or exceeds OE specifications

Top-Quality Differential Covers for 1973 GMC K25/K2500 Pickups

Choose a high-quality OEM or aftermarket Differential Cover for GMC K25/K2500 Pickups and enjoy top-notch performance from $59.99.

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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

Top Picks for 1973 GMC K25/K2500 Pickup Differential Oil

Invest in one of our 7 durable Differential Oil for your 1973 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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$35.99

Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:

Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

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$12.99

Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.

Product Features:

Formulated for reliable gear protection
Protects against severe temperatures to help extend service life
Formulated with extreme-pressure additives to minimize gear wear from shock loads
Helps protect against gear wear from scuffing, scouring, corrosion and pitting
Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials

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$57.99

3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

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$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

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$148.99

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

Product Features:

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

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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Rated Differential Bearings for 1973 GMC K25/K2500 Pickups

Make a smart move for your 1973 GMC K25/K2500 Pickup with products all priced from $13.99 to $34.49.

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$13.99

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

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$22.99

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

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$15.99

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

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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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$20.79

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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$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-Rated Differential Brands For Your 1973 GMC K25/K2500 Pickup

When it comes to finding the perfect Differential for your 1973 GMC K25/K2500 Pickup, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including Valvoline, Felpro, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 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 1973 GMC K25/K2500 Pickup, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1973 GMC K25/K2500 Pickup Differentials

If you’re looking for a top-quality Differential for your 1973 GMC K25/K2500 Pickup, 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 1973 GMC K25/K2500 Pickup 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 $35.99

(446)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

“Good quality great price”

from $12.99

(235)

High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart

“Good quality oil. Does it’s job.”

Top-Quality Felpro 1973 GMC K25/K2500 Pickup Differentials

For those in search of a high-quality Differential for their 1973 GMC K25/K2500 Pickup, Advance Auto Parts offers a great selection of Felpro Differentials. With 1 Felpro 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, giving you a range of options to suit your budget. Backed by over 10 customer ratings and an average rating of 4.6 stars, Felpro Differentials provide both reliability and excellent performance. Choosing a Felpro Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $7.99

(10)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

“Fit perfect”

FAQs for 1973 GMC K25/K2500 Pickup Differentials

What are the best-selling Differentials for 1973 GMC K25/K2500 Pickups?

Out of 251 Differentials that fit 1973 GMC K25/K2500 Pickups, 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
Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (5185793) – $7.99

What’s the price range for 1973 GMC K25/K2500 Pickup Differentials?

The prices of Differentials for the 1973 GMC K25/K2500 Pickup range from $0.91 up to $1,566.99 for the most premium parts.

What is the average price of a Differential for a 1973 GMC K25/K2500 Pickup?

The average price for Differentials for the 1973 GMC K25/K2500 Pickup is $248.46. 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 7 model years of GMC K25/K2500 Pickups between 1966 and 1974. The following model years are the most popular for Differential purchases: 1974, 1972, 1971, 1970, 1969, 1968, 1967, and 1966.

What are the cheapest Differentials for my 1973 GMC K25/K2500 Pickup?

The cheapest 1973 GMC K25/K2500 Pickup Differentials we carry are:

Differential Ring Gear Bolt (10282203) – $0.91
Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (11642796) – $3.99
Differential Cover Gasket (10282461) – $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

Does Advance Auto Parts sell Differentials for any other 1973 GMC models?

Yes. We stock Differentials for 16 other popular 1973 GMC models. Some of the most popular are 1973 Jimmy Differentials, 1973 G25/G2500 Van Differentials, 1973 C15/C1500 Pickup Differentials, 1973 C15/C1500 Suburban Differentials, and 1973 K15/K1500 Pickup Differentials.

What types of Differentials do you sell for my 1973 GMC K25/K2500 Pickup?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1973 GMC K25/K2500 Pickup:

Can I get help with 1973 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.

1973 GMC K25/K2500 Pickup Differentials

Motive Gear – Differential Carrier (Part No.6258336)

Motive Gear – Differential Ring and Pinion (Part No.D44-409)

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

Motive Gear – Differential Pinion Shim Kit (Part No.1114)

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

USA Standard Gear – Open Spider Gear Set For Dana Spicer 44, 30 Spline (Part No.39006)

LuK – Repair Kit, Differential (Part No.GDK331)

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

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

Yukon Gear – Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And U-Bolts (Part No.32279)

Yukon Gear – Replacement Standard Open Carrier Case For Dana 44, 3.92 & Up (Part No.20028)

Yukon Gear – Wiper Kit Small With 8 Retaining Bolts, Dana 25, Dana 27, Dana 30, & Dana 44 (Part No.32302)

Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

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

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

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

Yukon Gear – Seal Housing For Dana 44, Zip Locker, With O-Rings (Part No.34013)

Yukon Gear – Set Up Bearing (Part No.56037)

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

Yukon Gear – 10.5" GM 14 Bolt Truck Ring Gear Bolt (Part No.33051)

USA Standard Gear – Steel Spool For Dana 44 With 30 Spline Axles, 3.73 & Down (Part No.59013)

National – Tapered Roller Bearing Cone (Part No.02872)

Yukon Gear – Pinion Depth Shims For 10.5" GM 14 Bolt Truck (Part No.55058)

Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 50 Pinion Seal Replacement (Part No.30128)

Yukon Gear – Bearing Race Driver (Part No.56006)

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

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

Yukon Gear – Front 4340 Chrome-Moly Replacement Axle Kit For ’69-’80 GM Truck And Blazer (Part No.21414)

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

Mr. Gasket – Differential Gasket (Part No.84B)

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

Pro-King – Differential Cover Gasket (Part No.743B303)

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)

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)

National – Bearing Race (Part No.382A)

National – Tapered Roller Bearing Cone (Part No.368A)

National – Bearing Race (Part No.362A)

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

Schaeffler – Cup (Part No.382A)

National – Bearing Race (Part No.25523)