2004 Chevrolet Trailblazer Ext Differentials

Essential 2004 Chevrolet Trailblazer Ext Differentials

Felpro – Differential Cover Gasket (Part No.RDS 55028-1)

Differential Cover Gasket

from

$9.99
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 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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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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Driveworks – Camshaft Seal (Part No.S-99139)

Camshaft Seal

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$23.99
Product Features:
  • Brand may vary by location
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Powertrax – Grip LS Traction System (Part No.LS201030)

Grip LS Traction System

from

$503.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. 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!
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SKF – Wheel Bearing (Part No.K8000453141SKF)

Wheel Bearing

from

$21.29
SKF is a supplier of original equipment wheel bearings, hubs and seals to most of the world’s leading automakers. Engineered and manufactured to the highest quality standards, SKF wheel bearings greatly reduce friction and increase load-carrying capabilities. With an ability to boost reliability under heavy loads and misaligned conditions, SKF wheel bearings offer an ideal solution for many wheel end applications.

Product Features:
  • Precision bearing pre-load and correct application of advanced manufacturing techniques such as orbital rolling
  • 100% tested to the actual OE specifications per part number for fit, form and function
  • High quality steel and surface finishes
  • Proper implementation of heat treatment
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Motive Gear – Differential Carrier (Part No.GM8.6L)

Differential Carrier

from

$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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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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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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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 – Performance Differential Ring and Pinion (Part No.G885430)

Performance Differential Ring and Pinion

from

$265.99
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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Richmond Gear – Differential Cross Shaft (Part No.80-0272-1)

Differential Cross Shaft

from

$66.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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Felpro – Differential Cover Gasket (Part No.RDS 55479)

Differential Cover Gasket

from

$41.99
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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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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Dorman – Help – Pinion Crush Sleeves (Part No.81057)

Pinion Crush Sleeves

from

$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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National – Bearings (Part No.M88047)

Bearings

from

$71.99
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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ACDelco – Pinion Seal (Part No.J7010204339ACD)

Pinion Seal

from

$38.33
Pinion Seal

National – Multi Purpose Seal (Part No.710474)

Multi Purpose Seal

from

$19.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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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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National – Wheel Bearing and Seal Kit (Part No.RA-327)

Wheel Bearing and Seal Kit

from

$191.99
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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Pro-King – Rear Axle Shaft Kit (Part No.AXK-153)

Rear Axle Shaft Kit

from

$244.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and funtion.

Product Features:
  • High strength steel
  • Dual heat treating process
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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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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$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 Carrier Gear Kit (Part No.GM8.6BIL)

Differential Carrier Gear Kit

from

$231.99
This Motive Gear Differential Rebuild Kit includes all of the parts required to rebuild your stock open differential. The gears are lapped for quiet operation. Includes spider and side gears, cross shaft, lock pin or bolt and thrust washers.

Product Features:
  • GM8.6″ INTERNAL KIT (OPEN) 30 SPL. MID 2000-2008
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Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Differential Carrier Shim Kit

from

$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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Dorman – 4 Wheel Drive Oil Seal (Part No.600-606)

4 Wheel Drive Oil Seal

from

$34.99
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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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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2004 Chevrolet Trailblazer Ext Differentials

Maybe you’re in the middle of a full rebuild of that 2004 Chevrolet Trailblazer Ext. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 80 different Differentials in our inventory ranging from $2.49 to $819.99. That means you can find the exact parts or products you need to keep that 2004 Chevrolet Trailblazer Ext 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 2004 Chevrolet Trailblazer Ext. 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 2004 Chevrolet Trailblazer Ext, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 5,205 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 2004 Chevrolet Trailblazer Ext 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 2004 Chevrolet Trailblazer Ext Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2004 Chevrolet Trailblazer Ext 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 Ext 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 2004 Chevrolet Trailblazer Ext, 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 2004 Chevrolet Trailblazer Ext Differentials

What are the most purchased Differentials for the 2004 Chevrolet Trailblazer Ext?

Out of 80 Differentials for the 2004 Chevrolet Trailblazer Ext, 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
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil

What are the top-rated 2004 Chevrolet Trailblazer Ext Differentials?

Top-rated Differentials for your 2004 Chevrolet Trailblazer Ext 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.”