2003 Chevrolet Trailblazer Drivetrains

Essential 2003 Chevrolet Trailblazer Drivetrains

Yukon Gear – Positraction Internals For 8.5" GM With 30 Spline Axles (Part No.16053)

Positraction Internals For 8.5" GM With 30 Spline Axles

from

$352.99
Yukon positraction internals for 8.5″ GM with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects. This kit is compatible with Yukon Dura Grip or Eaton positractions. It will not fit a factory Gov-Loc positraction.

Product Features:
  • Spider gear kit
  • Fits GM GM 8.5″ and 8.6″ Dura Grip positraction with 30 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and side gear thrust washers.
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Dorman – Remanufactured Transfer Case Control Module (Part No.599-113)

Remanufactured Transfer Case Control Module

from

$293.99
Transfer case control module no longer in control? Restore it cost-effectively with this replacement module that provides the same function and performance of the original on specific vehicles.

Product Features:
  • Direct replacement – this transfer case control module directly replaces the original equipment modules on certain vehicle years, makes and models
  • Effective fix – replacement restores transfer case motor control and addresses trouble codes
  • Thoroughly tested – each module undergoes rigorous testing to ensure reliable performance
  • Trustworthy quality – backed by team of engineers and inspectors in the United States
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National – Bearings (Part No.M802011)

Bearings

from

$14.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Pro-King – Differential Cover Plug (Part No.742G484)

Differential Cover Plug

from

$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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Motive Gear – Differential Pinion Nut (Part No.1260823)

Differential Pinion Nut

from

$8.49
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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Felpro – TRANSFER CASE GASKET SET (Part No.72769)

TRANSFER CASE GASKET SET

from

$19.99
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
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Valvoline – ATF for Mercon®V Applications Conventional, 1 Quart (Part No.822345)

ATF for Mercon®V Applications Conventional, 1 Quart

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$12.99
Valvoline ATF for MERCON®V Applications is a high-quality transmission fluid meeting and exceeding the requirements of the Ford Mercon V specification which covers most Ford passenger cars and light-duty trucks (except those specifying MERCON®SP, MERCON®LV or Type F fluids), including Lincoln and Mercury, as well as most pre-2006 GM vehicles and many imports. Recommended for use in the following applications: MERCON®V, MERCON®, DEXRON®-III, DEXRON®-II, Caterpillar TO-2, Allison C-4. Other applications include Power steering fluid where a DEXRON® or MERCON® fluid is recommended. Suitable to use in Nissan Matic D, Matic J and Matic K.

Product Features:
  • Formulated with premium 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
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National – Bearings (Part No.M88010)

Bearings

from

$10.49
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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Motive Gear – Differential Pinion Shim Kit (Part No.1102)

Differential Pinion Shim Kit

from

$9.49


Product Features:
  • KIT SHIM PINION
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Motive Gear – Differential Spool (Part No.FS10-30)

Differential Spool

from

$187.99


Product Features:
  • FULL SPOOL GM 8.5 30 SPL ST MUST USE 2-LM102911 & 2-LM102949
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Dorman – Transfer Case Adapter O-Ring (Part No.926-831)

Transfer Case Adapter O-Ring

from

$12.29
This transfer case adapter seal matches the fit and function of worn or damaged original equipment part. This seal should be replaced as part any service that requires the transfer case and transmission to be separated.

Product Features:
  • Ideal replacement – this transfer case adapter O-ring is a direct replacement for a worn or damaged original equipment seal between the transfer case and transmission
  • Convenient on-hand part – this seal should be replaced whenever the transfer case is removed for service
  • Application-specific design – this O-ring has been designed of durable materials specifically for this vehicle application
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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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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Dorman – Help – Axle Shaft Lock Assortment (Part No.81050)

Axle Shaft Lock Assortment

from

$6.49
This drive axle shaft lock C-clip 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 drive axle shaft lock C-clip matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this clip 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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MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.234)

Non-Greaseable Super Strength Universal Joint

from

$32.99
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
  • CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
  • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
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Dorman – 4WD Axle Disconnect Gear Set (Part No.600-117)

4WD Axle Disconnect Gear Set

from

$299.99
This four-wheel-drive disconnect gear kit is a direct replacement for a damaged original equipment gear assembly to restore proper power delivery to the front differential.

Product Features:
  • Direct replacement – this 4WD disconnect is a direct replacement for the original equipment assembly to restore power delivery through to front differential
  • Durable construction – this gear assembly is made of quality materials for a long service life
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone vehicle try-on testing to ensure proper fit
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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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Yukon Gear – 8.6" GM Standard Open Side Gear Thrust Washer (Part No.33386)

8.6" GM Standard Open Side Gear Thrust Washer

from

$4.99
8.6″ GM standard Open side gear Thrust washer.

Product Features:
  • Side gear thrust washer
  • Fits GM 8.6″
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EVO Driveline – Remanufactured Transfer Case (Part No.UMT136-3)

Remanufactured Transfer Case

from

$951.99
Evolution Driveline products, are remanufactured to meet or exceed OEM specifications for quality, fit, and performance. Every transfer case we sell passes a comprehensive battery of tests on our computerized test center. We recreate actual driving conditions and analyze performance before the product even leaves the factory, so you can buy with confidence.

Product Features:
  • Back Lash, Mesh Load, Leak and Rotational Torque QC testing performed on each unit.
  • OEM cores are processed as individual units throughout the tear down and assembly process
  • Cores cleaned using our Hydro Blast cleaning and rinse process
  • All case halves wet sanded to ensure perfect mating surfaces
  • Loctite gasket eliminator and primer used to seal all aluminum mating surfaces
  • Remanufactured in our ISO9001:2008 USA facility.
  • Without Motor
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Pro-King – Differential Axle Seal (Part No.743B074)

Differential Axle Seal

from

$6.99
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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Dorman – Front Drive Shaft: Adjustable (Part No.938-190)

Front Drive Shaft: Adjustable

from

$292.99
Replacing a drive shaft doesn’t have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, tubes, constant velocity (CV) joints and universal joints.

Product Features:
  • Direct replacement – this drive shaft is made to the original equipment dimensions for dependable fit and performance
  • 100% new – this drive shaft is made from all new components so there’s no core charge or return hassle
  • Ready to install – this drive shaft arrives pre-balanced to make installation quick and simple
  • Serviceable construction – non-staked universal joints are designed for future serviceability
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Dorman – Transfer Case Motor (Part No.J7100720039DOR)

Transfer Case Motor

from

$306.11
Transfer Case Motor

Motive Gear – Ring Gear Bolt (Part No.14066913)

Ring Gear Bolt

from

$2.49


Product Features:
  • RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND
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Yukon Gear – DiffrlCover (Part No.32360)

DiffrlCover

from

$72.99
DiffrlCover

Motive Gear – Differential Crush Sleeve (Part No.1234726)

Differential Crush Sleeve

from

$4.29
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
See More

National – Bearings (Part No.M86610)

Bearings

from

$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
See More

National – Bearings (Part No.FC-66561)

Bearings

from

$13.29
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
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – The Carrier Bearing Puller (Part No.56034)

The Carrier Bearing Puller

from

$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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Dorman – Distorted Thread Spindle Nut M24-2.0 Hex Size 36mm (sold by each) (Part No.615-095)

Distorted Thread Spindle Nut M24-2.0 Hex Size 36mm (sold by each)

from

$10.79
This spindle nut 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 spindle nut matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this nut 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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Popular 2003 Chevrolet Trailblazer Drivetrains Categories

2003 Chevrolet Trailblazer Drivetrains

You count on your 2003 Chevrolet Trailblazer to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Drivetrains. With 304 Drivetrains ranging in price from $1.99 to $1,923.99, you’re sure to find everything you need for your 2003 Chevrolet Trailblazer.

Brands matter. If you want to shop a specific Drivetrains brand, we stock 26 different brands like Valvoline, Moog, and Felpro. 2003 Chevrolet Trailblazer Drivetrains start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Drivetrains is by asking professionals. Short of that, you can shop with confidence thanks to our 2,552 extensive product reviews on 2003 Chevrolet Trailblazer Drivetrains. Some of the top-rated Drivetrains products we carry are Greaseable Super Strength Universal Joint with 4.2 stars and Universal Joint Strap Kit with 4.5 stars.

Did we mention you can order your Drivetrains from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Drivetrains inventory for your 2003 Chevrolet Trailblazer below to get started!

Top-Rated Drivetrains Brands For Your 2003 Chevrolet Trailblazer

Trusted Drivetrains OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Chevrolet Trailblazer running right for years to come. In our inventory you’ll find brands like Valvoline, Moog, Felpro, and even more.

Popular Powertrax Drivetrains

You’ll find popular Powertrax brand products across Differentials. All are waiting to get your 2003 Chevrolet Trailblazer back on the road. Some of the top-rated Powertrax products in these categories are:
Grip LS Traction System
from $503.99
(1)
Grip LS Traction System
Differential Open Unit and Components

FAQs for 2003 Chevrolet Trailblazer Drivetrains

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

Out of 304 Drivetrains 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
Greaseable Premium Universal Joint
from $26.99
(89)
Greaseable Premium Universal Joint
U-Joints
Universal Joint
from $15.99
(52)
Universal Joint
U-Joints

What are the top-rated 2003 Chevrolet Trailblazer Drivetrains?

Top-rated Drivetrains for your 2003 Chevrolet Trailblazer based on customer reviews/ratings are:
Greaseable Super Strength Universal Joint
from $34.99
(48)
Greaseable Super Strength Universal Joint
“Moog and advanced auto got me out of a bad situation with an amazing part ( u”
Universal Joint Strap Kit
from $11.99
(35)
Universal Joint Strap Kit
“Fit on my 99 gmc sierra 1500 z71 perfect”
CV Axle Shaft Assembly
from $127.99
(34)
CV Axle Shaft Assembly
“Cv axles fit perfect easy to install look very durable”