Chevrolet Trailblazer Ext Differentials

Your One-Stop Shop For Trusted Chevrolet Trailblazer Ext Differentials

If you’re in search of Chevrolet Trailblazer Ext Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 70 Differentials from top brands with prices ranging from $2.49 to $819.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your Chevrolet Trailblazer Ext. Of the 15 OEM and aftermarket parts brands we carry, some of the most popular are Felpro, Idemitsu, and National.

And don’t forget to read customer reviews across all Differentials categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Differentials have to cost top dollar, and we prove it. Browse our top Chevrolet Trailblazer Ext Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Chevrolet Trailblazer Ext Differentials

Motive Gear – Differential Ring and Pinion (Part No.GM10-308A)

Differential Ring and Pinion

from

$179.99


Product Features:
  • GM 10BL 8.5 R/P 3.08
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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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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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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 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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ACDelco – Pinion Seal (Part No.J7010204339ACD)

Pinion Seal

from

$30.62
Pinion Seal

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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Dorman – Differential Positive Unit Assembly (Part No.697-909)

Differential Positive Unit Assembly

from

$819.99
Hard use and poor lubrication can wear out a limited-slip differential. Restore original performance with this replacement differential carrier assembly that includes all-new spider gears, differential pins, clutches and carrier housing.

Product Features:
  • Direct replacement – this 30 spline limited-slip differential carrier fits in place of this vehicle’s original equipment carrier
  • 100% new – this differential carrier uses all-new components, including spider gears, diff pin, pre-load spring pack and clutch pack
  • Ready to install – this differential carrier is shipped pre-assembled and ready to install
  • Ideal upgrade – can be used to upgrade from open differential to limited-slip in an existing differential
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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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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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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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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
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Valvoline – VAL EP ATF 6/1 QT (Part No.899179)

VAL EP ATF 6/1 QT

from

$14.99
VAL EP ATF 6/1 QT

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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SKF – Differential Bearing (Part No.J7060366583SKF)

Differential Bearing

from

$41.10
Differential Bearing

National – Bearings (Part No.A-18)

Bearings

from

$17.99
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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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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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
See More

Timken – Differential Pinion (Part No.J7020434676TIM)

Differential Pinion

from

$49.39
Differential Pinion

Driveworks – Taper Bearing Cone (Part No.S-M-86649)

Taper Bearing Cone

from

$8.79
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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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
See More

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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Differentials Brands You Can Trust For Your Chevrolet Trailblazer Ext

15 trusted brands of Differentials line our shelves, ready to help keep your Chevrolet Trailblazer Ext running smooth. Below are some of the most popular brands and their top Differentials offerings:

Popular Idemitsu Differentials

Idemitsu products for the Chevrolet Trailblazer Ext span several categories. Some of the highest-rated Idemitsu Differentials that will fit your Chevrolet Trailblazer Ext are:
Type HP Automatic Transmission Fluid - 1 qt
from $13.79
(3)
Type HP Automatic Transmission Fluid – 1 qt
Differential Oil

Top Chevrolet Trailblazer Ext Differentials from Felpro

Your Chevrolet Trailblazer Ext will be purring again thanks to Felpro brand Differentials available for online order or in-store pick up. 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

Most Purchased Chevrolet Trailblazer Ext Differentials from Felpro

When you buy the most frequently purchased Felpro brand Differentials, you can be confident it will be the right part for your Chevrolet Trailblazer Ext. Here are the Felpro Differentials Advanced Auto customers buy the most:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Differential Cover Gaskets
Wheel Bearing and Seal Kit
from $103.99
(8)
Wheel Bearing and Seal Kit
Differential Bearing Kits
Type HP Automatic Transmission Fluid - 1 qt
from $13.79
(3)
Type HP Automatic Transmission Fluid – 1 qt
Differential Oil

FAQs for Chevrolet Trailblazer Ext Differentials

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

Out of 70 Differentials for the Chevrolet Trailblazer Ext, the most popular in our inventory are:
Bearings
from $17.99
(36)
Bearings
Differential Bearings
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 Chevrolet Trailblazer Ext Differentials?

Top-rated Differentials for your Chevrolet Trailblazer Ext based on customer reviews/ratings are:
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”
Wheel Bearing and Seal Kit
from $103.99
(8)
Wheel Bearing and Seal Kit
“got exactly what i ordered. thanks.”
Differential Ring and Pinion
from $241.99
(4)
Differential Ring and Pinion
“Perfect match and easy install”