2003 GMC Sierra 3500 Differentials

Essential 2003 GMC Sierra 3500 Differentials

Yukon Gear – Standard Open Carrier Case, GM 9.5" & 9.25" IFS, Loaded (Part No.20097)

Standard Open Carrier Case, GM 9.5" & 9.25" IFS, Loaded

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$589.99
9.25″ IFS & 9.5″ case standard Open, loeaded.

Product Features:
  • Standard open carrier case and spiders
  • Fits GM 9.25″ IFS and 9.5″
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Dorman – Rear Axle Shaft, Left or Right (Part No.630-145)

Rear Axle Shaft, Left or Right

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$309.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
  • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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Yukon Gear – O-Ring For Left Hand Carrier Bearing Adjuster For 9.25" GM IFS (Part No.33133)

O-Ring For Left Hand Carrier Bearing Adjuster For 9.25" GM IFS

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$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
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Yukon Gear – Left Hand Adjuster Lock Nut For 9.25" GM (Part No.33354)

Left Hand Adjuster Lock Nut For 9.25" GM

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$21.99
Left hand adjuster lock nut for 9.25″ GM.

Product Features:
  • Side adjuster lock nut
  • Fits GM 9.25″
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USA Standard Gear – Spider Gear Kit For GM 11.5" (Part No.39020)

Spider Gear Kit For GM 11.5"

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$208.99
11.5AAM GM & Chrysler (fits All Years) UNIVERSAL standard Open spider gear kit.

Product Features:
  • Spider gear kit
  • Fits GM and Chrysler 11.5″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R9.2RIFSLMK)

Differential Master Bearing Kit - Koyo

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$191.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • GM 9.25IFS MASTER KIT ’98-ON NO CAGED NEEDLES
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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)

Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS

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$18.99
Product Features:
  • Cross pin bolt
  • Fits GM 9.5″ and 9.25″ IFS
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MTC – Differential Drain P (Part No.J7065587755MTC)

Differential Drain P

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$11.44
Differential Drain P

Yukon Gear – Minor Install Kit For GM 9.25" IFS Differential (Part No.12060)

Minor Install Kit For GM 9.25" IFS Differential

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$103.99
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 GM 9.25″ IFS
  • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
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Yukon Gear – Spool For GM & Chrysler 11.5", 38 Spline (Part No.32186)

Spool For GM & Chrysler 11.5", 38 Spline

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$1969.99
Product Features:
  • Fits Chrysler and GM 11.5″ with 38 spline axles
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

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$5.99
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Motive Gear – Differential Gear Install Kit (Part No.GM11.5IK)

Differential Gear Install Kit

from

$74.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Adjuster Lock Bolt For Left Hand Case Half Of 7.2" And 9.25" GM IFS (Part No.33244)

Adjuster Lock Bolt For Left Hand Case Half Of 7.2" And 9.25" GM IFS

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$31.99
Adjuster lock bolt for left hand case half of 7.2″ and 9.25″ GM IFS.

Product Features:
  • Side adjuster lock bolt
  • Fits GM 7.2″ IFS and 9.25″ IFS
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Felpro – Differential Cover Gasket (Part No.RDS 55478)

Differential Cover Gasket

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$13.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

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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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Yukon Gear – Differential Cover B (Part No.33569)

Differential Cover B

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$5.99
Differential Cover B

Yukon Gear – Standard Open Spider Gear Kit For 33 Spline GM 9.25" IFS And GM 9.5" Axles (Part No.16060)

Standard Open Spider Gear Kit For 33 Spline GM 9.25" IFS And GM 9.5" Axles

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$317.99
Yukon standard open spider gear kit for 9.5″ GM rear and ’06 and earlier GM 9.25″ IFS with 33 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits GM 9.5″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – The Carrier Bearing Puller (Part No.56034)

The Carrier Bearing Puller

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$689.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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Yukon Gear – Replacement Pinion Depth Shims For Dana 80 (Part No.55006)

Replacement Pinion Depth Shims For Dana 80

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$27.99
Replacment Pinion depth shims for Dana 80 (between pin head & bearing).

Product Features:
  • Pinion depth shims for Dana Spicer 80
  • Fits between pinion head and bearing
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NTN – Differential Bearing (Part No.J7060741150NTN)

Differential Bearing

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$39.02
Differential Bearing

Felpro – Differential Cover Gasket (Part No.RDS 55447)

Differential Cover Gasket

from

$15.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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aFe POWER – Differential Cover (Part No.46-71060B)

Differential Cover

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$355.99
aFe Power’s new rear differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all necessary hardware for easy installation. Pro Series differential covers include an oil level sight glass and magnetic deep reach fill plug. This cover is finished with black powder-coating and machined fins for a distinctive look. Increased Oil Capacity: This cover has an increased oil capacity over stock for better performance over a longer duration. Built-in Internal/External Fins: Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. Magnetic Plugs: This system incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection. Calibration Plug: Calibration plug set to the factory oil level to eliminate overfilling. Oil Level Sight Glass: A pre-installed oil level sight glass allows quick and easy oil inspection. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
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Yukon Gear – 11.5" GM Standard Open Cross Pin Shaft (Part No.33409)

11.5" GM Standard Open Cross Pin Shaft

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$46.99
11.5″ GM standard Open cross pin shaft.

Product Features:
  • Cross pin shaft
  • Fits GM 11.5″
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Yukon Gear – 11.5" GM Standard Open Side Gear Thrust Washer (Part No.33387)

11.5" GM Standard Open Side Gear Thrust Washer

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$31.99
11.5″ GM standard Open side gear Thrust washer.

Product Features:
  • Side gear thrust washer
  • Fits GM 11.5″
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Yukon Gear – Pinion Nut (Part No.33152)

Pinion Nut

from

$9.99
Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:
  • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
  • 7/8″ x 14 thread
  • 1 1/4″ socket
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National – Shaft Repair Sleeve (Part No.99157)

Shaft Repair Sleeve

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$37.49
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • 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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Yukon Gear – 11.5" Chrysler & GM Helical Gear Type Positraction (Part No.32244)

11.5" Chrysler & GM Helical Gear Type Positraction

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$1806.99
11.5″ Chrysler Helical gear Type positraction.

Product Features:
  • Fits GM and Chrysler 11.5″
  • 30 spline
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Powertrax – Lock Right Locker (Part No.1950-LR)

Lock Right Locker

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$487.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!

Product Features:
  • Powertrax® proves that you don’t have to choose between the superior traction of a locking differential and smooth handling and drivability of an open differential. Powertrax Lock-Right Lockers, No-Slip Traction Systems and GRIP limited slip differentials and lockers give you the best of both worlds!
  • The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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2003 GMC Sierra 3500 Differentials

Maybe you’re in the middle of a full rebuild of that 2003 GMC Sierra 3500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 189 different Differentials in our inventory ranging from $1.89 to $4,069.99. That means you can find the exact parts or products you need to keep that 2003 GMC Sierra 3500 running smoothly.

Differentials are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Sierra 3500. National, Idemitsu, and Yukon Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 2003 GMC Sierra 3500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 396 reviews in this category, some of the top rated parts include Multi Purpose Seal with 4.2 stars and Taper Bearing Set with 2.5 stars.

So if you’re in the market for aftermarket Differentials to keep your 2003 GMC Sierra 3500 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 2003 GMC Sierra 3500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC Sierra 3500 demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 3500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Dorman Differentials

We carry Dorman parts in our stock across Differential Covers categories, plus more. For a 2003 GMC Sierra 3500, our most popular Dorman Differentials include:
Rear Differential Cover
from $77.99
(2)
Rear Differential Cover
Differential Covers

Top 2003 GMC Sierra 3500 Differentials from National

National products are another trusted brand when it comes to Differentials for your 2003 GMC Sierra 3500. Popular National parts include:
Bearings
from $22.99
(12)
Bearings
Differential Bearings
Multi Purpose Seal
from $34.99
(8)
Multi Purpose Seal
Differential Pinion Seals
Bearings
from $6.99
(6)
Bearings
Differential Bearings

FAQs for 2003 GMC Sierra 3500 Differentials

What are the most purchased Differentials for the 2003 GMC Sierra 3500?

Out of 189 Differentials for the 2003 GMC Sierra 3500, the most popular in our inventory are:
Type HP Automatic Transmission Fluid - 1 qt
from $13.79
(3)
Type HP Automatic Transmission Fluid – 1 qt
Differential Oil
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Differential Cover B
from $7.99
This product is not rated
Differential Cover B
Differential Cover Bolts

What are the top-rated 2003 GMC Sierra 3500 Differentials?

Top-rated Differentials for your 2003 GMC Sierra 3500 based on customer reviews/ratings are:
Multi Purpose Seal
from $44.99
(5)
Multi Purpose Seal
“How do you fix a leaking rear end? You seal it. That’s why I bought this seal.”
Taper Bearing Set
from $13.79
(4)
Taper Bearing Set
“Worked great on my 1981 Chevy C20”
Differential Cover Gasket
from $13.49
(2)
Differential Cover Gasket
“fel pro is best gasket for my purposes”