1979 Pontiac Catalina Differential Carriers

Your 1979 Pontiac Catalina might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Differential Carriers you desperately need.

We currently carry 5 Differential Carriers to choose from for your 1979 Pontiac Catalina, and our inventory prices range from as little as $232.99 up to $1,153.99.

On top of low prices, Advance Auto Parts offers 1 different trusted brands of Differential Carriers for the 1979 Pontiac Catalina. We only sell parts from trusted brands like Yukon Gear so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Differential Carriers stock in-person!

Differential Carriers for Your 1979 Pontiac Catalina

Yukon Gear – Standard Open Carrier Case, GM 8.5", 2.73 & Up (Part No.20083)

Standard Open Carrier Case, GM 8.5", 2.73 & Up

from

$239.99
8.5″ GM standard Open case, 2.73 & up, 28 or 30 spline.

Product Features:
  • Standard open carrier case
  • Fits GM 8.5″ with 28 or 30 spline axles
  • 2.73 and up ratio only
  • Does not include spider gears
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Yukon Gear – Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up (Part No.20106)

Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up

from

$399.99
GM 7.5″ & 7.6″ DURA GRIP case, bare, 3.23 & up, 26spline & 28spline.

Product Features:
  • Dura Grip positraction carrier case
  • Does not include spider gears
  • Fits GM 7.5″ and 7.625″
  • 3.23 and up ratios only
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Yukon Gear – Grizzly Locker For GM 8.5" & 8.6", 30 Spline, 2.73 & Up (Part No.28035)

Grizzly Locker For GM 8.5" & 8.6", 30 Spline, 2.73 & Up

from

$1153.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:
  • Fits GM 8.5″ and 8.6″ with 30 spline axles
  • 2.73 and up ratio only
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Replacement Bare Case For GM 8.5" & 8.6" Dura Grip (Part No.20107)

Replacement Bare Case For GM 8.5" & 8.6" Dura Grip

from

$386.99
Replacement bare case for GM 8.5″ & 8.6″ Yukon Dura Grip. Fits both 28 & 30 spline applications. This carrier case is for a Yukon Dura Grip ONLY. It is NOT a replacement carrier for a stock positraction.

Product Features:
  • Dura Grip positraction carrier case
  • Does not include spider gears
  • Fits GM 8.5″ and 8.6″
  • Fits 2.76 and up ratios only
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Yukon Gear – 8.5" GM Extra HD Standard Open Case (Uses Larger Bearings) (Part No.20084)

8.5" GM Extra HD Standard Open Case (Uses Larger Bearings)

from

$232.99
8.5″ GM EXTRA HD standard Open case (uses larger bearings).

Product Features:
  • Standard open carrier case
  • Fits GM 8.5″ with 28 or 30 spline axles
  • 2.73 and up ratio only
  • Does not include spider gears
  • Has larger carrier carrier bearing journals for high strength
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FAQs for 1979 Pontiac Catalina Differential Carriers

What are the most popular Differential Carriers for the 1979 Pontiac Catalina?

With 1 brands you can trust, our most popular Differential Carriers for the 1979 Pontiac Catalina parts are:
Standard Open Carrier Case, GM 8.5", 2.73 & Up
from $239.99
This product is not rated
Standard Open Carrier Case, GM 8.5", 2.73 & Up
Differential Carriers
Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up
from $399.99
This product is not rated
Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up
Differential Carriers
Grizzly Locker For GM 8.5" & 8.6", 30 Spline, 2.73 & Up
from $1153.99
This product is not rated
Grizzly Locker For GM 8.5" & 8.6", 30 Spline, 2.73 & Up
Differential Carriers