2003 Chevrolet Trailblazer Differentials

Essential 2003 Chevrolet Trailblazer Differentials

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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Yukon Gear – 14 Plate Duragrip Composite Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16064)

14 Plate Duragrip Composite Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

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$373.99
Product Features:
  • Clutch kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
  • 14 piece kit
  • Composite clutches
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National – Shaft Repair Sleeve (Part No.99210)

Shaft Repair Sleeve

from

$47.49
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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SKF – Differential Bearing (Part No.J7060366583SKF)

Differential Bearing

from

$41.10
Differential Bearing

National – Shaft Repair Sleeve (Part No.99139)

Shaft Repair Sleeve

from

$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 – DiffrlCover (Part No.32360)

DiffrlCover

from

$72.99
DiffrlCover

Felpro – Differential Cover Gasket (Part No.RDS 55387)

Differential Cover Gasket

from

$7.99
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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Motive Gear – Differential Carrier (Part No.GM8.6L)

Differential Carrier

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$221.99
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 o
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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

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$12.79
Product Features:
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks
  • Long-life friction modifiers and premium base oils help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • Enhanced cleaning additives help reduce varnish formation and keep the transmission running properly longer
  • Engineered with a unique blend of viscosity modifiers and base oils to provide better oil flow at low temperatures and greater film protection at higher temperatures
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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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$32.99
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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Yukon Gear – Positraction Clutch Guide (Part No.33352)

Positraction Clutch Guide

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$8.99
Positraction clutch guide.

Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
  • Compatible with Dura Grip positractions only
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Motive Gear – Differential Spool (Part No.FS10-30)

Differential Spool

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$187.99


Product Features:
  • FULL SPOOL GM 8.5 30 SPL ST MUST USE 2-LM102911 & 2-LM102949
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Pro-King – Differential Bearing Cup (Part No.742G256)

Differential Bearing Cup

from

$8.99
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 – High Performance Ring & Pinion Gear Set For GM 8" In A 3.73 Ratio (Part No.24203)

High Performance Ring & Pinion Gear Set For GM 8" In A 3.73 Ratio

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$539.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 8.0″
  • 8.0″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 3.73 ratio
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Yukon Gear – 18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16110)

18 Plate Steel Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$483.99
Product Features:
  • Clutch kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
  • 18 piece kit
  • Steel clutches
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Yukon Gear – Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles (Part No.55010)

Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles

from

$15.99
Product Features:
  • Carrier shim kit for Dana Spicer 30 with 30 spline axles
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Pro-King – Differential Cross Shaft (Part No.742G930)

Differential Cross Shaft

from

$2.79
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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Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Differential Pinion Shim Kit

from

$7.49
High-quality Differential Component Shim

Product Features:
  • SHIM KIT FITS-8.25-F7.5-AMC20-GM0
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Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$41.99
Product Features:
  • Shim kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
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Motive Gear – Differential Pinion Seal (Part No.8610)

Differential Pinion Seal

from

$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 o
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ACDelco – Differential Bearing (Part No.J7060366581ACD)

Differential Bearing

from

$137.90
Differential Bearing

Pro-King – Differential Internal Nest Kit (Part No.743B717)

Differential Internal Nest Kit

from

$221.99
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

from

$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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Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)

8.2" & 8.5" Rear Cover Gasket

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$10.99
8.2″ & 8.5″ rear cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 8.2″, 8.5″ and 8.6″
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National – Wheel Bearing and Seal Kit (Part No.RA-321-C)

Wheel Bearing and Seal Kit

from

$103.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Spindle bearing and seal kit
  • Includes all components required to complete the repair
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Dorman – 4 Wheel Drive Oil Seal (Part No.600-605)

4 Wheel Drive Oil Seal

from

$21.99
This axle differential seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this axle differential seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality – this seal is made to fit and fully restore part functionality after the original seal fails
  • 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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Yukon Gear – Side Gear Thrust Washer For GM 8.0" (Part No.33528)

Side Gear Thrust Washer For GM 8.0"

from

$5.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

Product Features:
  • Side gear thrust washer
  • Fits GM 8.0″
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USA Standard Gear – Master Overhaul Kit for the ’09 and Newer GM 8.6" Differential (Part No.37060)

Master Overhaul Kit for the '09 and Newer GM 8.6" Differential

from

$319.99
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 2009 and up GM 8.6″
  • 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, thread locker, marking compound with brush and gasket.
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2003 Chevrolet Trailblazer Differentials

Maybe you’re in the middle of a full rebuild of that 2003 Chevrolet Trailblazer. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 204 different Differentials in our inventory ranging from $1.99 to $1,839.99. That means you can find the exact parts or products you need to keep that 2003 Chevrolet Trailblazer running smoothly.

Differentials are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Chevrolet Trailblazer. Valvoline, Felpro, and National 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 Chevrolet Trailblazer, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,750 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 4.2 stars and Differential Carrier Gear Kit with 3.9 stars.

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

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

Popular Powertrax Differentials

We carry Powertrax parts in our stock across Differential Open Unit and Components categories, plus more. For a 2003 Chevrolet Trailblazer, our most popular Powertrax Differentials include:
Grip LS Traction System
from $503.99
(1)
Grip LS Traction System
Differential Open Unit and Components

FAQs for 2003 Chevrolet Trailblazer Differentials

What are the most purchased Differentials for the 2003 Chevrolet Trailblazer?

Out of 204 Differentials for the 2003 Chevrolet Trailblazer, the most popular in our inventory are:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Housing Cover Gaskets
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
Differential Pinion Shaft Lock Bolts
Ring Gear Bolt
from $2.49
This product is not rated
Ring Gear Bolt
Differential Ring Gear Bolts

What are the top-rated 2003 Chevrolet Trailblazer Differentials?

Top-rated Differentials for your 2003 Chevrolet Trailblazer based on customer reviews/ratings are:
Differential Ring And Pinion
from $342.99
(23)
Differential Ring And Pinion
“So far so good.”
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”
Multi Purpose Seal
from $16.99
(14)
Multi Purpose Seal
“It’s a tight fit but that’s how seals are supposed to be. I greased it up real good and lightly tapped it in using a 1 lb hammer and all was good.”