2003 Chevrolet Avalanche 2500 Differentials

Name: Axle Shaft
Brand: Dorman
SKU: 630-120
Price: 333.99 USD
Rating: 5.0 (4 reviews)

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2003 Chevrolet Avalanche 2500 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2003 Chevrolet Avalanche 2500 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, Dorman, and Valvoline. For example, National Differentials start at just $13.99 with an average 4.3 star rating. Dorman and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 781 reviews and a solid 4 star average, you can shop with confidence knowing other Chevrolet Avalanche 2500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Chevrolet Avalanche 2500 Differential at Advance Auto Parts is around $374.78, with a range that starts at $2.99 and goes up to $2,374.99. With 227 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, and 3 Qt – 80W90 Conventional Gear Oil With Posi Additive start at just $8.29 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 2003 Chevrolet Avalanche 2500 in peak condition, inside and out.

Looking for the perfect Differential for your 2003 Chevrolet Avalanche 2500? 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 Chevrolet Avalanche 2500. Whether you’re driving a 2003 model or another popular model year like 2002, 2004, 2005, and 2006, 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 2003 Chevrolet Avalanche 2500 Differentials

from

$333.99

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

Product Features:

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

from

$52.99

Product Features:

MINI INSTALL KIT GM9.2IFS 98 & ON

from

$211.99

Product Features:

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

from

$362.99

Eaton-type 14 plate Carbon clutch set for 9.5″ GM and 9.75″ Ford.

Product Features:

Clutch kit
Fits GM 9.5″ with Eaton positraction
Carbon fiber clutches

from

$669.99

Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, and marking compound with brush. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

Product Features:

Fits 2010 and down GM 9.25″ IFS
Included are Timken bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve , thread locker, marking compound with brush, and silicone.

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$215.99

Bearing race driver for rear GM 9.5″, 9.25″ IFS, and Ford 9″ HD. (TK HM804810). No return.

Product Features:

Bearing race driver
Fits HM804810 race
All steel construction

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$251.99

Differential Carrier

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$539.99

Yukon Performance steel spool for GM 14T with 30 spline axles. fits 4.10 and down. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:

Fits GM 10.5″ 14 bolt truck with 30 spline axles
4.10 and down ratio only or 4.56 and up thick gears
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles

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$301.99

Product Features:

GM 10BL 8.5 R/P 4.11 MG FRT/REAR

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$729.99

Product Features:

Standard open carrier case
Fits GM 10.5″ 14 bolt truck
4.10 and down ratio only
Does not include spider gears

from

$35.99

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

Product Features:

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

from

$56.99

Pinion seal for ’96-’03 9.5″ GM.Yukon Mighty seal.

Product Features:

Pinion seal
Fits 1997 and up GM 9.5″

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$23.99

Product Features:

Cross pin bolt
Fits GM 9.5″ and 9.25″ IFS

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$43.99

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

Designed to repair damaged, grooved or worn shafts
Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
Easy to install with removable flange and installation tool

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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

from

$28.49

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

from

$1025.00

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:

Fits GM 9.5″
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

from

$318.99

Product Features:

Spider gear kit
Fits GM 10.5″ 14 bolt truck open differential
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

from

$449.99

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 1998 and up 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.

from

$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

from

$46.99

This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:

Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$37.99

14T GM pinion shim kit.

Product Features:

Pinion depth shims for GM 10.5″ 14 bolt truck

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$594.99

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

Product Features:

Fits 2010 and down GM 9.25″ IFS
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and silicone.

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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

from

$659.99

Yukon spider gear set for GM 10.5″ 14 bolt truck Yukon Dura Grip posi. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY. Will not work with factory Gov Loc.

Product Features:

Spider gear kit
Fits GM 10.5″ 14 bolt truck with Dura Grip positraction
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

from

$32.99

Product Features:

Cross pin shaft
Fits GM 9.5″
Dura Grip positraction

from

$15.99

O-ring for left hand carrier bearing adjuster for 9.25″ GM IFS.

Product Features:

Axle o-ring
Fits Chrysler 9.25″ IFS

Popular 2003 Chevrolet Avalanche 2500 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 Ring and Pinions

Differential Cases

Differential End Yokes

Differential Lock Assemblies

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Differential Carrier Bearing Adjusters

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Housing O-Rings

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Gear Bearing Retainer Bolts

Differential Ring and Pinion Kits

Differential Spider and Pinion Gear Kits

Differential Bearing Adjuster Nut Lock Bolts

Most Popular Rear Differential Cover Gaskets for 2003 Chevrolet Avalanche 2500s

Enhance your 2003 Chevrolet Avalanche 2500 with one of the 4 Rear Differential Cover Gaskets we have in stock, starting at just $3.99.

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$8.99

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

Product Features:

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

from

$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

from

$13.99

9.5″ GM cover gasket.

Product Features:

Cover gasket
Fits GM 9.5″

from

$3.99

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

Product Features:

Meets or exceeds OE specifications

Best-Selling 2003 Chevrolet Avalanche 2500 Differential Oil

Upgrade your Avalanche 2500 with one of our 8 best-selling Differential Oil, earning an average 5 stars rating across 454 reviews.

show more show less

from

$35.99

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

from

$13.99

Valvoline Import Multi-Vehicle Automatic Transmission Fluid is specifically formulated for use in most Toyota, Nissan, Honda and other imported vehicles. It is formulated with all synthetic base stocks and a proprietary additive system to ensure optimal transmission performance in a wide variety of vehicles. Valvoline Import Multi-Vehicle ATF can also be used in many domestic vehicles. It meets requirements of General Motors and Ford vehicles. Recommended for use in the following applications: Ford MERCON, GM DEXRON-II and DEXRON-III, BMW LT 71141 and ETL-7045E, Nissan/Infiniti Nissan ATF, Matic-D, Matic-K and Matic-J, Mitsubishi Diamond SP-II and SP-III, Subaru ATF-HP, Hyundai/ KIA SP-II and SP-III, Toyota/Lexus Type T, T-III and T-IV, Honda/Acura ATF-Z1 (except in CVTs), Mercedes Benz NAG1, Volvo passenger car (except AW-1), and Volkswagen/Audi TL52162. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

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

$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

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

from

$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

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$28.99

Castrol® Transmax® ATF/CVT Universal is a premium full-synthetic transmission fluid engineered for exceptional performance in both traditional step-shifting automatic transmissions and modern continuously variable transmissions (CVTs). Featuring Castrol Smooth Drive® Technology, it ensures enhanced friction durability for seamless gear shifts and superior high-temperature protection to resist oxidation. This advanced formulation offers unmatched protection against copper corrosion, extending the life of your transmission system. Its broad compatibility covers a wide range of ATF and CVT applications, including Dexron VI, Mercon LV, Toyota WS, Honda DW-1, Nissan Matic S, and many more, making it ideal for diverse vehicle types, including hybrids. Designed to improve workshop efficiency and simplify inventory management, this fluid is a versatile solution for professional mechanics and DIY enthusiasts alike. Packaged in a convenient 1-gallon size, it delivers outstanding value and reliability for maintaining optimal transmission performance.

Product Features:

Enhanced friction durability for smooth transmission performance
Superior high temperature protection to effectively resist oxidation
Unsurpassed protection against copper corrosion
Broad scope of vehicle applications improves workshop efficiency and inventory management
ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2

Top-Quality Differential Covers for 2003 Chevrolet Avalanche 2500s

Choose a high-quality OEM or aftermarket Differential Cover for Chevrolet Avalanche 2500s and enjoy top-notch performance from $40.99.

show more show less

from

$46.99

Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$93.99

Steel cover for GM 9.5″ Threaded for fill plug, fill plug not included.

Product Features:

Fits GM 9.5″
Steel

from

$92.99

Product Features:

Fits GM 10.5″ 14 bolt truck
Steel

from

$59.99

Chrome cover for GM 14T.

Product Features:

Fits GM 10.5″ 14 bolt truck
Chrome

from

$40.99

DIFF COVER KIT

Top Picks for 2003 Chevrolet Avalanche 2500 Differential Bearings

Invest in one of our 3 durable Differential Bearings for your 2003 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

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from

$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

from

$34.49

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

from

$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

Our Top-Rated Rear Housing Cover Gaskets for 2003 Chevrolet Avalanche 2500s

Make a smart move for your 2003 Chevrolet Avalanche 2500 with our Rear Housing Cover Gasket for $8.29.

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from

$8.29

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-Rated Differential Brands For Your 2003 Chevrolet Avalanche 2500

When it comes to finding the perfect Differential for your 2003 Chevrolet Avalanche 2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 trusted brands. We carry the most popular Differential brands including Valvoline, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $13.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2003 Chevrolet Avalanche 2500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 2003 Chevrolet Avalanche 2500 Differentials

If you’re looking for a top-quality Differential for your 2003 Chevrolet Avalanche 2500, 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 $13.99 and an average cost of $24.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 2003 Chevrolet Avalanche 2500 come highly rated, with over 454 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 $13.99

(8)

Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart

“My 1999 Honda Accord 4-cylinder has over 250K miles and a drain and fill takes exactly 3 quarts of Import ATF. I do this with every oil change. No pro”

Top-Quality National 2003 Chevrolet Avalanche 2500 Differentials

For those in search of a high-quality Differential for their 2003 Chevrolet Avalanche 2500, 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 $13.99, with an average price of $28.99, giving you a range of options to suit your budget. Backed by over 13 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 $43.99

(2)

Shaft Repair Sleeve

“As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”

from $28.99

(5)

Multi-Purpose Seal

“How do you fix a leaking rear end? You seal it. That’s why I bought this seal.”

from $13.99

(6)

Bearing Race

“Fit perfectly. No difficulty replacing my old ones.”

FAQs for 2003 Chevrolet Avalanche 2500 Differentials

What are the best-selling Differentials for 2003 Chevrolet Avalanche 2500s?

Out of 227 Differentials that fit 2003 Chevrolet Avalanche 2500s, the following parts are the top sellers:

Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (5723531) – $8.29
Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (3215601) – $8.99
3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99

What’s the price range for 2003 Chevrolet Avalanche 2500 Differentials?

The prices of Differentials for the 2003 Chevrolet Avalanche 2500 range from $2.99 up to $2,374.99 for the most premium parts.

What is the average price of a Differential for a 2003 Chevrolet Avalanche 2500?

The average price for Differentials for the 2003 Chevrolet Avalanche 2500 is $374.78. 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 Chevrolet Avalanche 2500 model years?

Yes, we carry Differentials for 3 model years of Chevrolet Avalanche 2500s between 2002 and 2006. The following model years are the most popular for Differential purchases: 2006, 2005, 2004, and 2002.

What are the cheapest Differentials for my 2003 Chevrolet Avalanche 2500?

The cheapest 2003 Chevrolet Avalanche 2500 Differentials we carry are:

Differential Crush Sleeve (20520169) – $2.99
Differential Cover Gasket (10282461) – $3.99
Differential Crush Sleeve (10593146) – $3.99
DiffrlPinSupportBolt (12018054) – $5.99
Differential Cover B (11777896) – $5.99

Does Advance Auto Parts sell Differentials for any other 2003 Chevrolet models?

Yes. We stock Differentials for 32 other popular 2003 Chevrolet models. Some of the most popular are 2003 Tahoe Differentials, 2003 Impala Differentials, 2003 Silverado 1500 Differentials, 2003 Malibu Differentials, and 2003 Suburban 1500 Differentials.

What types of Differentials do you sell for my 2003 Chevrolet Avalanche 2500?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 2003 Chevrolet Avalanche 2500:

Can I get help with 2003 Chevrolet Avalanche 2500 Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Differentials and more.

What is your return policy for Chevrolet Avalanche 2500 Differentials?

Advance Auto Parts keeps returns simple. For new Chevrolet Avalanche 2500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Chevrolet Avalanche 2500 Differentials

Dorman – Axle Shaft (Part No.630-120)

Motive Gear – Differential Gear Install Kit (Part No.GM9.2IKFL)

Motive Gear – Differential Carrier (Part No.6258336)

Yukon Gear – Eaton-Type 14 Plate Carbon Clutch Set For 9.5" GM And 9.75" Ford (Part No.16058)

Yukon Gear – Master Overhaul Kit For GM 9.25" IFS Differential, ’10 & Down (Part No.14095)

Yukon Gear – Bearing Race Driver (Part No.56012)

Yukon Gear – Differential Carrier (Part No.57015)

Yukon Gear – Steel Spool For GM 14 Bolt Truck With 30 Spline Axles, 4.10 & Down (Part No.32048)

Motive Gear – Differential Ring and Pinion (Part No.GM10-411)

Yukon Gear – Standard Open Carrier Case, GM 10.5" 14 Bolt Truck, 4.10 & Down (Part No.20100)

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

Yukon Gear – Pinion Seal For ’96-’03 9.5" GM (Part No.30164)

Yukon Gear – Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS (Part No.33342)

National – Shaft Repair Sleeve (Part No.99193)

Pro-King – Differential Crush Sleeve (Part No.723B034)

National – Bearing Race (Part No.HM903210)

Yukon Gear – Dura Grip Positraction For GM 9.5" With 33 Spline Axles (Part No.26025)

USA Standard Gear – Standard Spider Gear Set For GM 10.5" 14 Bolt Truck (Part No.39022)

Yukon Gear – Pinion Install Kit For ’99 & Newer 10.5" GM 14 Bolt Truck Differential (Part No.13106)

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

Dorman – Differential Cover (Part No.697-703)

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

USA Standard Gear – Master Overhaul Kit for the ’10 & Down GM 9.25" IFS Front Differential (Part No.37061)

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

Yukon Gear – Spider Gear Set For GM 10.5" 14 Bolt Truck Dura Grip Posi (Part No.16167)

Yukon Gear – Cross Pin Shaft For GM 9.5", Fits Standard & Dura Grip Or Eaton Posi Carrier (Part No.33205)

Yukon Gear – O-Ring For Left Hand Carrier Bearing Adjuster For 9.25" GM IFS (Part No.33133)

Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55387)

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

Yukon Gear – 9.5" GM Cover Gasket (Part No.23023)

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

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

Valvoline – Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822389)

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)

Castrol – Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (Part No.15E0C8)

Dorman – Differential Cover (Part No.697-703)

Yukon Gear – Steel Cover For GM 9.5", Threaded For Fill Plug, Plug Not Included (Part No.32333)

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)

ATP – DIFF COVER KIT (Part No.111104)

National – Bearing Race (Part No.382A)

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

Schaeffler – Cup (Part No.382A)

Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55063)