1979 Pontiac Catalina Complete Differentials

Enhance and Protect Your 1979 Pontiac Catalina with Quality Complete Differentials

Maintaining the performance of your 1979 Pontiac Catalina starts with choosing the right parts, and a high-quality Complete Differentials helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Complete Differentials specifically for the 1979 Pontiac Catalina, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Complete Differentials for Every Budget

Finding a Complete Differentials that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $445.99 and an average price of $711.99, you can choose one that fits your budget while delivering the quality you expect. Our Complete Differentials are competitively priced, ranging from $445.99 to $1,020.00, so you get value without compromising on strength or reliability.

Trusted Brands and Top-Rated Options

With 4 Complete Differentials from 3 trusted brands in stock, Advance Auto Parts has you covered. Popular options include 8.5" Oldsmobile 31Spline 12 Bolt (Factory 3.08 Or 3.23, Or Richmond Gear Ring & Pinions)s, Lock Right Lockers, and Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Ups, starting at $445.99. Our selection includes highly regarded brands such as Powertrax, USA Standard Gear, and Yukon Gear, and more, offering you top-notch reliability. For example, we have 2 Powertrax Complete Differentials starting at $445.99 with an average rating of 5 stars, 1 USA Standard Gear options from $1,020.00 with a 2 stars rating, and 1 Yukon Gear Complete Differentials priced from $829.99 with a 3 stars average rating.

Explore Related Parts for a Complete Solution

To further enhance your 1979 Pontiac Catalina, don’t miss our related parts categories, including Differential Oil and Rear Differential Cover Gaskets. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.

Complete Differentials for Your 1979 Pontiac Catalina

USA Standard Gear – 8.5" Oldsmobile 31Spline 12 Bolt (Factory 3.08 Or 3.23, Or Richmond Gear Ring & Pinions) (Part No.59006)

8.5" Oldsmobile 31Spline 12 Bolt (Factory 3.08 Or 3.23, Or Richmond Gear Ring & Pinions)

from

$1020.00
8.5″ Oldsmobile 31spline 12 bolt (factory 3.08 or 3.23, or Richmond gear ring & pinions).

Product Features:
  • Positraction
  • Fits 8.5″ Oldsmobile
  • 12 bolt design
  • 31 spline
  • OEM 3.08 and 3.23 gear sets only
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Yukon Gear – Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up (Part No.26018)

Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up

from

$829.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits GM 7.625″ with 28 spline axles
  • 3.23 ratio and up only
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
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Powertrax – No-Slip Traction System (Part No.9207883005)

No-Slip Traction System

from

$551.99
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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.Powertrax® = Extreme Traction Systems!
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Powertrax – Lock Right Locker (Part No.1930-LR)

Lock Right Locker

from

$445.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.Powertrax® = Extreme Traction Systems!
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FAQs for 1979 Pontiac Catalina Complete Differentials

Which Complete Differentials are the top sellers for the 1979 Pontiac Catalina?

Out of 4 Complete Differentials that fit 1979 Pontiac Catalinas, the following parts are the top sellers:
8.5" Oldsmobile 31Spline 12 Bolt (Factory 3.08 Or 3.23, Or Richmond Gear Ring & Pinions)
from $1020.00
This product is not rated
8.5" Oldsmobile 31Spline 12 Bolt (Factory 3.08 Or 3.23, Or Richmond Gear Ring & Pinions)
Complete Differentials
Lock Right Locker
from $445.99
This product is not rated
Lock Right Locker
Complete Differentials
Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up
from $829.99
This product is not rated
Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up
Complete Differentials

How can I make sure that a part will be compatible with my 1979 Pontiac Catalina?

Our Pontiac Catalina aftermarket and OEM parts are designed specifically for the 1979 model. You can always find your specific fitment and compatibility for your 1979 Pontiac on an individual product page.

What is the price range for 1979 Pontiac Catalina Complete Differentials?

The range of prices of Complete Differentials for the 1979 Pontiac Catalina goes from $445.99 up to $1,020.00 for the most premium parts.

What is the average price of 1979 Pontiac Catalina Complete Differentials?

1979 Pontiac Catalina Complete Differentials average $711.99 for our selection of OEM and aftermarket parts. Keep in mind the variety of brands we offer, such as Powertrax, USA Standard Gear, Yukon Gear, and more, so you are likely to find a wide range of prices across a variety of brands and products.

Does Advance Auto Parts sell Complete Differentials for other Pontiac Catalina model years?

Yes, we currently stock Complete Differentials for 16 model years of Pontiac Catalinas, from 1965 to 1981. Model years 1981, 1980, 1978, 1977, 1976, 1975, 1974, 1973, and 1972 are the most popular for Complete Differentials purchases.

Can I get help with 1979 Pontiac Catalina Complete Differentials orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Pontiac Complete Differentials and more.

What is your return policy for Pontiac Catalina Complete Differentials?

Advance Auto Parts keeps returns simple. For new Pontiac Catalina Complete Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.