1978 GMC Jimmy Performance Differentials
Keep Your 1978 GMC Jimmy in Top Shape with Quality Performance Differentials
Whether you’re repairing or upgrading your Performance Differential, using high-quality parts is key to keeping your 1978 GMC Jimmy looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Differential Covers and Performance Differential Pinion Yokes. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1978 GMC Jimmy Performance Differential at Advance Auto Parts is around $100.99, with a range that starts at $83.99 and goes up to $117.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Drive Shaft Pinion Yoke start at just $117.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Differential, don’t forget to check out other key components like Performance Fuel Systems and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1978 GMC Jimmy in peak condition, inside and out.
Find Your Specific 1978 GMC Jimmy Performance Differentials
Looking for the perfect Performance Differential for your 1978 GMC Jimmy? You’re in the right place. Below, you’ll find links to various types of Performance Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Differentials, ensuring durability and a precise fit for your GMC Jimmy. Whether you’re driving a 1978 model or another popular model year like
1972,
1973,
1974,
1975,
1976,
1977,
1979,
1980, and
1981, we’ve got you covered. Purchasing Performance Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Differentials that fit your vehicle.
Essential 1978 GMC Jimmy Performance Differentials
Mr. Gasket – Differential Cover Kit (Part No.9895)
from
$83.99
The Mr. Gasket chrome plated rear end cover is made from heavy-gauge steel, and comes complete with bolts and gaskets.
Product Features:
See More
Product Features:
- Chrome plated steel for looks
- Includes bolts and gasket
Motive Gear – Drive Shaft Pinion Yoke (Part No.MG1310-6010)
Popular 1978 GMC Jimmy Performance Differentials Categories
Most Popular Performance Differential Cover for 1978 GMC Jimmies
Enhance your 1978 GMC Jimmy with this popular Performance Differential Cover we have in stock, for $83.99.
Mr. Gasket – Differential Cover Kit (Part No.9895)
from
$83.99
The Mr. Gasket chrome plated rear end cover is made from heavy-gauge steel, and comes complete with bolts and gaskets.
Product Features:
See More
Product Features:
- Chrome plated steel for looks
- Includes bolts and gasket
Best-Selling 1978 GMC Jimmy Performance Differential Pinion Yoke
Upgrade your Jimmy with our best-selling Performance Differential Pinion Yoke.
Motive Gear – Drive Shaft Pinion Yoke (Part No.MG1310-6010)
FAQs for 1978 GMC Jimmy Performance Differentials
What are the best-selling Performance Differentials for 1978 GMC Jimmies?
Out of 2 Performance Differentials that fit 1978 GMC Jimmies, the following parts are the top sellers:
- Drive Shaft Pinion Yoke (20520312) – $117.99
What’s the price range for 1978 GMC Jimmy Performance Differentials?
The prices of Performance Differentials for the 1978 GMC Jimmy range from $83.99 up to $117.99 for the most premium parts.
What is the average price of a Performance Differential for a 1978 GMC Jimmy?
The average price for Performance Differentials for the 1978 GMC Jimmy is $100.99. Keep in mind the variety of part types within our Performance Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Differentials for other GMC Jimmy model years?
What are the cheapest Performance Differentials for my 1978 GMC Jimmy?
The cheapest 1978 GMC Jimmy Performance Differentials we carry are:
- Differential Cover Kit (17360471) – $83.99
- Drive Shaft Pinion Yoke (20520312) – $117.99
Does Advance Auto Parts sell Performance Differentials for any other 1978 GMC models?
Yes. We stock Performance Differentials for 6 other popular 1978 GMC models. Some of the most popular are 1978 K25 Performance Differentials, 1978 K15 Performance Differentials, 1978 G25 Performance Differentials, 1978 C15 Performance Differentials, and 1978 G35 Performance Differentials.
What are the top-rated Performance Differentials that fit the 1978 GMC Jimmy?
The one 1978 GMC Jimmy Performance Differential we have in stock is the Differential Cover Kit. It is rated 1.5 stars and costs $83.99.
What types of Performance Differentials do you sell for my 1978 GMC Jimmy?
As of 11/2/25, these are some of the most in-demand types of Performance Differentials for a 1978 GMC Jimmy:
Can I get help with 1978 GMC Jimmy Performance Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Performance Differentials and more.
What is your return policy for GMC Jimmy Performance Differentials?
Advance Auto Parts keeps returns simple. For new GMC Jimmy Performance Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.