2003 GMC Envoy Differentials

Essential 2003 GMC Envoy Differentials

Yukon Gear – Cross Pin Shaft For 7.2" GM (Part No.33403)

Cross Pin Shaft For 7.2" GM

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$53.99
Cross pin shaft for 7.2″ GM.

Product Features:
  • Cross pin shaft
  • Fits GM 7.2″ IFS
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Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Differential Carrier Shim Kit

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$8.49
High-quality Differential Carrier Shim Kit

Product Features:
  • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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ACDelco – Axle Differential Be (Part No.K4011415668ACD)

Axle Differential Be

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$115.84
Axle Differential Be

Motive Gear – Pinion Seal (Part No.8610)

Pinion Seal

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$3.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Yukon Gear – Standard Open Side Gear And Thrust Washer For 7.2" GM (Part No.33375)

Standard Open Side Gear And Thrust Washer For 7.2" GM

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$17.99
Standard open side gear thrust washer for 7.2″ GM.

Product Features:
  • Side gear thrust washer
  • Fits GM 7.2″ IFS
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Timken – Differential Pinion (Part No.J7020434676TIM)

Differential Pinion

from

$55.88
Differential Pinion

Yukon Gear – Master Overhaul Kit For ’99-’08 GM 8.6" Differential (Part No.14092)

Master Overhaul Kit For '99-'08 GM 8.6" Differential

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$369.99
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, marking compound with brush, and gasket. 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 1999-2008 GM 8.6″
  • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve , thread locker, marking compound with brush, and gasket.
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Yukon Gear – Yoke For GM 7.5" And 7.625" (Mech 3R) In A Triple Lip Design (Part No.41088)

Yoke For GM 7.5" And 7.625" (Mech 3R) In A Triple Lip Design

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$154.99
Yukon yoke for GM 7.5″ and 7.625″ (mech 3R) in a triple lip design. 2.556″ snap ring span, 1.125″ cap diameter. Inside snap ring. This yoke uses inside clips. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 7.5″ and 7.625″
  • 27 spline
  • Mechanics 3R u-joint size
  • 2.556″ snap ring span
  • 1.125″ cap diameter
  • Inside snap ring design
  • Strap style
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National – Shaft Repair Sleeve (Part No.99139)

Shaft Repair Sleeve

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$39.99
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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

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$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

Posi Spring Kit For GM 7.5", With Preload Plates

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$153.99
Product Features:
  • Positraction spring kit
  • Fits GM 7.5″ and 7.625″ Dura Grip
  • Includes preload plates
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Spartan – Drive Axle Assembly; GM SUV 06-09 Axle (Part No.RAX2118D)

Drive Axle Assembly; GM SUV 06-09 Axle

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$1839.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
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Yukon Gear – Differential Cover B (Part No.33569)

Differential Cover B

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$5.99
Differential Cover B

Pro-King – Differential Cross Shaft (Part No.742G673)

Differential Cross Shaft

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$28.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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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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National – Bearings (Part No.M86610)

Bearings

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$9.49
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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Dorman – Help – Pinion Crush Sleeves (Part No.81057)

Pinion Crush Sleeves

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$5.29
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles.
  • Required replacement – when servicing the differential
  • 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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Royal Purple – HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart) (Part No.11744)

HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart)

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$12.99
Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil, 1 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity.

Product Features:
  • Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
  • Formulated with robust zinc/phosphorus anti-wear compounds combined with royal purple’s proprietary additive technology
  • Hmx is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
  • Reduces friction and metal-to-metal contact for peak engine performance
  • Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
  • High-Mileage Formula: Specifically designed for engines with more than 75,000 miles, this full synthetic engine oil helps minimize wear and restore lost performance.
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Yukon Gear – Replacement Bare Case For GM 8.5" & 8.6" Dura Grip (Part No.20107)

Replacement Bare Case For GM 8.5" & 8.6" Dura Grip

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$386.99
Replacement bare case for GM 8.5″ & 8.6″ Yukon Dura Grip. Fits both 28 & 30 spline applications. This carrier case is for a Yukon Dura Grip ONLY. It is NOT a replacement carrier for a stock positraction.

Product Features:
  • Dura Grip positraction carrier case
  • Does not include spider gears
  • Fits GM 8.5″ and 8.6″
  • Fits 2.76 and up ratios only
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Pro-King – Differential Cover Gasket (Part No.742G303A)

Differential Cover Gasket

from

$31.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Pinion Install Kit For ’09 & Up GM 8.6" Differential (Part No.13105)

Pinion Install Kit For '09 & Up GM 8.6" Differential

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$182.99
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, pinion nut, 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 2009 and up GM 8.6″
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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USA Standard Gear – Pinion Installation Kit For ’99-’08 GM 8.6" (Part No.60014)

Pinion Installation Kit For '99-'08 GM 8.6"

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$149.99
8.6″ GM 99-08 PINION Bearing & SEAL KIT .

Product Features:
  • Fits 1999-2008 GM 8.6″
  • Uses Koyo bearings and races
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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Dorman – Front Axle Shaft Assembly (Part No.630-417)

Front Axle Shaft Assembly

from

$357.99
Axle shaft damaged or bearings worn out? This axle shaft assembly directly replaces the original equipment on certain vehicles, ready for install right out of the box.

Product Features:
  • Direct replacement – this axle shaft assembly replaces the original equipment on specific vehicle years, makes and models
  • Ready to install – comes pre-assembled for simple installation with no further assembly required
  • 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 – Standard Open Spider Gear Kit For GM 7.2" S10 And S15 IFS (Part No.16115)

Standard Open Spider Gear Kit For GM 7.2" S10 And S15 IFS

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$218.99
Yukon standard open spider gear kit for GM 7.2″ S10 and S15 IFS. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits GM 7.2″ IFS
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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Pro-King – Differential Cover Plug (Part No.742G484)

Differential Cover Plug

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$6.59
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Aluminum Girdle Cover For GM 7.5" & 7.625" (Part No.32118)

Aluminum Girdle Cover For GM 7.5" & 7.625"

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$379.99
Product Features:
  • Fits GM 7.5″ and 7.625″
  • Aluminum girdle cover
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Yukon Gear – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette

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$59.99
Product Features:
  • Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
  • Interlocking design makes installation much easier
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Yukon Gear – 8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer – Also Fits 8.5" Eaton With 0.795" Cross Pin (Part No.33385)

8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer - Also Fits 8.5" Eaton With 0.795" Cross Pin

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$10.99
8.5″ & 8.6″ GM standard Open pinion gear Thrust washer. also fits 8.5″ Eaton with 0.795″ cross pin.

Product Features:
  • Pinion gear thrust washer for GM 8.5″ and 8.6″
  • Fits standard open differentials only
  • 0.795″ I.D.
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2003 GMC Envoy Differentials

Maybe you’re in the middle of a full rebuild of that 2003 GMC Envoy. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 254 different Differentials in our inventory ranging from $1.99 to $1,923.99. That means you can find the exact parts or products you need to keep that 2003 GMC Envoy running smoothly.

Differentials are only as good as their brand. We stock 17 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Envoy. Valvoline, Royal Purple, and FELPRO 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 Envoy, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 892 reviews in this category, some of the top rated parts include Transfer Case Fluid, 1 Quart with 4.7 stars and Taper Bearing Set with 4.4 stars.

So if you’re in the market for aftermarket Differentials to keep your 2003 GMC Envoy 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 Envoy Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC Envoy 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 Envoy the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Pro-King Differentials

We carry Pro-King parts in our stock across Differential Axle Shafts categories, plus more. For a 2003 GMC Envoy, our most popular Pro-King Differentials include:
Rear Axle Shaft Kit
from $244.99
(1)
Rear Axle Shaft Kit
Differential Axle Shafts

Top 2003 GMC Envoy Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 2003 GMC Envoy. Popular Felpro parts include:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Differential Cover Gaskets
Differential Cover Gasket
from $41.99
(4)
Differential Cover Gasket
Rear Housing Cover Gaskets

FAQs for 2003 GMC Envoy Differentials

What are the most purchased Differentials for the 2003 GMC Envoy?

Out of 254 Differentials for the 2003 GMC Envoy, the most popular in our inventory are:
DEX/MERC Automatic Transmission Fluid, 1 Gallon
from $35.99
(17)
DEX/MERC Automatic Transmission Fluid, 1 Gallon
Differential Oil

What are the top-rated 2003 GMC Envoy Differentials?

Top-rated Differentials for your 2003 GMC Envoy based on customer reviews/ratings are:
Transfer Case Fluid, 1 Quart
from $14.99
(36)
Transfer Case Fluid, 1 Quart
“Did not have to use a lot”
Taper Bearing Set
from $10.79
(33)
Taper Bearing Set
“Everything worked as it should 5 stars”
Differential Carrier Gear Kit
from $231.99
(16)
Differential Carrier Gear Kit
“First set of gears were not complete. But staff reordered them, had them next day. Thanks”