Chevrolet Trailblazer Ext Differential Spools

Your Chevrolet Trailblazer Ext will be happy to know that the search for the right Differential Spools you’ve been looking for is over! Advance Auto Parts has 1 different Differential Spools for your vehicle, ready for shipping or in-store pick up. The best part is, our Chevrolet Trailblazer Ext Differential Spools start from as little as $187.99.

When it comes to your Chevrolet Trailblazer Ext, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Differential Spools brands so you can shop with complete confidence. Some of our top Differential Spools brands are Motive Gear. We’re sure you will get the right product to keep that Trailblazer Ext running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Differential Spools for your Trailblazer Ext, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Chevrolet Differential Spools

Motive Gear – Differential Mini Spool (Part No.MS7.5-26)

Differential Mini Spool

from

$98.99
Motive Gear Mini-Spools replace your stock spider and side gears with a solid billet mini-spool for 100% traction to both wheels. Not recommended for street applications.

Product Features:
  • Billet construction
  • Not recommended for street applications
  • GM7.5″ MINI SPOOL 26 SPLINE
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Yukon Gear – Steel Spool For GM 14 Bolt Truck With 30 Spline Axles, 4.10 & Down (Part No.32048)

Steel Spool For GM 14 Bolt Truck With 30 Spline Axles, 4.10 & Down

from

$539.99
Yukon Performance steel spool for GM 14T with 30 spline axles. fits 4.10 and down. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 10.5″ 14 bolt truck with 30 spline axles
  • 4.10 and down ratio only or 4.56 and up thick gears
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Yukon Gear – Steel Spool For Dana 60 With 35 Spline Axles, 4.10 & Down (Part No.32042)

Steel Spool For Dana 60 With 35 Spline Axles, 4.10 & Down

from

$414.99
Yukon Performance steel spool for Dana 60 with 35 spline axles. fits 4.10 and down. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 60 with 35 spline axles
  • 4.10 and down ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Yukon Gear – Mini Spool For GM 10.5" 14 Bolt Truck (Part No.32301)

Mini Spool For GM 10.5" 14 Bolt Truck

from

$287.99
Yukon mini spool for GM 10.5″ 14 bolt truck.

Product Features:
  • Fits 10.5″ GM 14 bolt truck
  • Provides 100% traction to both wheels at all times
  • Installs into standard open carrier case
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Yukon Gear – Mini Spool For GM 8.5" With 30 Spline Axles (Part No.32233)

Mini Spool For GM 8.5" With 30 Spline Axles

from

$188.99
Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 8.5″ with 30 spline axles
  • Installs into a standard open carrier case
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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USA Standard Gear – Mini Spool For GM 8.2" (Part No.59024)

Mini Spool For GM 8.2"

from

$146.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty a

Product Features:
  • Fits GM 8.2″
  • Provides 100% traction to both wheels at all times
  • Installs into standard open carrier case
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Yukon Gear – Spool For GM & Chrysler 11.5", 30 Spline (Part No.32185)

Spool For GM & Chrysler 11.5", 30 Spline

from

$2100.00
Product Features:
  • Fits Chrysler and GM 11.5″ with 30 spline axles
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Yukon Gear – Spool For GM & Chrysler 11.5", 38 Spline (Part No.32186)

Spool For GM & Chrysler 11.5", 38 Spline

from

$1969.99
Product Features:
  • Fits Chrysler and GM 11.5″ with 38 spline axles
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Yukon Gear – Steel Spool For Dana 80 With 37 Spline Axles, 4.10 & Up (Part No.32173)

Steel Spool For Dana 80 With 37 Spline Axles, 4.10 & Up

from

$1060.00
Yukon Performance steel spool for 8Dana 80 with 37 spline axles, 4.10 & up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 80 with 37 spline axles
  • 4.10 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

USA Standard Gear – Spartan Locker for Dana 60 Differential with 35 Spline Axles, Includes Heavy-duty Cross Pin Shaft (Part No.17004)

Spartan Locker for Dana 60 Differential with 35 Spline Axles, Includes Heavy-duty Cross Pin Shaft

from

$829.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits Dana Spicer 60 with 35 spline axles
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
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Yukon Gear – Steel Spool For Dana 80 With 35 Spline Axles, 4.10 & Up (Part No.32172)

Steel Spool For Dana 80 With 35 Spline Axles, 4.10 & Up

from

$747.99
Yukon Performance steel spool for 8Dana 80 with 35 spline axles, 4.10 & up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 80 with 35 spline axles
  • 4.10 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

USA Standard Gear – Spartan Locker For GM 12 Bolt Car & Truck With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17032)

Spartan Locker For GM 12 Bolt Car & Truck With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

from

$672.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits GM 12 bolt car and truck with 30 spline axles
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
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USA Standard Gear – Spartan Locker for Dana 44 Differential with 30 Spline Axles, Includes Heavy-duty Cross Pin Shaft (Part No.17001)

Spartan Locker for Dana 44 Differential with 30 Spline Axles, Includes Heavy-duty Cross Pin Shaft

from

$669.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits Dana Spicer 44 with 30 spline axles
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
See More

USA Standard Gear – Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17041)

Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

from

$649.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits GM 18.5″ with 30 spline axles
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
See More

USA Standard Gear – Spartan Locker For GM 8.5" With 28 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17040)

Spartan Locker For GM 8.5" With 28 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

from

$649.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits GM 18.5″ with 28 spline axles
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
See More

Yukon Gear – Steel Spool For Dana 60 With 30 Spline Axles, 4.10 & Down (Part No.32169)

Steel Spool For Dana 60 With 30 Spline Axles, 4.10 & Down

from

$519.99
Yukon Performance steel spool for Dana 60 with 30 spline axles. fits 4.10 and down. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 60 with 30 spline axles
  • 4.10 and down ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

Yukon Gear – Steel Spool For Dana 60 With 30 Spline Axles, 4.56 & Up (Part No.32170)

Steel Spool For Dana 60 With 30 Spline Axles, 4.56 & Up

from

$506.99
Yukon Performance full spool for Dana 60 with 30 spline axles. fits 4.56 and up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 60 with 30 spline axles
  • 4.56 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

USA Standard Gear – Steel Spool For Dana 60 With 30 Spline Axles, 4.10 & Down (Part No.59014)

Steel Spool For Dana 60 With 30 Spline Axles, 4.10 & Down

from

$484.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits GM 9.25″ front
  • 9.25″ ring gear
  • 30 spline pinion
  • 12 ring gear bolts
  • 4.11 ratio
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Yukon Gear – Steel Spool For Dana 60 With 35 Spline Axles, 4.56 & Up (Part No.32043)

Steel Spool For Dana 60 With 35 Spline Axles, 4.56 & Up

from

$414.99
Yukon Performance spool for Dana 60 with 35 spline axles. fits 4.56 and up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 60 with 35 spline axles
  • 4.56 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

Yukon Gear – Steel Spool For GM 8.5" & 8.6" With 30 Spline Axles (Part No.32193)

Steel Spool For GM 8.5" & 8.6" With 30 Spline Axles

from

$414.99
Yukon Performance 1-3/4″ deck steel spool for 8.5″ GM with 30 spline axles. Uses large bearings, 1.785 journals. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects. This spool requires the use of a C-Clip eliminator kit to be used.

Product Features:
  • Fits GM 8.5″ with 30 spline axles
  • 2.73 and up ratios only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

USA Standard Gear – Steel Spool For Dana 60 With 35 Spline Axles, 4.10 & Down (Part No.59016)

Steel Spool For Dana 60 With 35 Spline Axles, 4.10 & Down

from

$369.99
Product Features:
  • Fits Chrysler Dana Spicer 60 with 35 spline axles
  • 4.10 and down ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

USA Standard Gear – Steel Spool For Dana 60 With 30 Spline Axles, 4.56 & Up (Part No.59017)

Steel Spool For Dana 60 With 30 Spline Axles, 4.56 & Up

from

$369.99
Product Features:
  • Fits Chrysler Dana Spicer 60 with 30 spline axles
  • 4.56 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

USA Standard Gear – Steel Spool For Dana 60 With 35 Spline Axles, 4.56 & Up (Part No.59018)

Steel Spool For Dana 60 With 35 Spline Axles, 4.56 & Up

from

$369.99
Product Features:
  • Fits Chrysler Dana Spicer 60 with 35 spline axles
  • 4.56 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

Yukon Gear – Steel Spool For Dana 44 With 30 Spline Axles, 3.92 & Up (Part No.32041)

Steel Spool For Dana 44 With 30 Spline Axles, 3.92 & Up

from

$338.99
Yukon Performance steel spool for Dana 44 with 30 spline axles. fits 3.92 and up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 44 with 30 spline axles
  • 3.92 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

Yukon Gear – Dana 44 Steel Spool Replacement (Part No.32168)

Dana 44 Steel Spool Replacement

from

$314.99
Yukon Performance steel spool for Dana 44 with 30 spline axles. fits 3.73 and down. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler Dana Spicer 44 with 30 spline axles
  • 3.73 and down ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More