1981 Isuzu I-MARK Differentials
Keep Your 1981 Isuzu I-MARK in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1981 Isuzu I-MARK looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Pilot Bearings and Differential Bearings. 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 1981 Isuzu I-MARK Differential at Advance Auto Parts is around $26.86, with a range that starts at $21.29 and goes up to $37.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Bearing – TRB (Tapered Roller Bearing) start at just $21.29 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1981 Isuzu I-MARK in peak condition, inside and out.
Find Your Specific 1981 Isuzu I-MARK Differentials
Looking for the perfect Differential for your 1981 Isuzu I-MARK? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Isuzu I-MARK. Whether you’re driving a 1981 model or another popular model year like
1982,
1983,
1984,
1985,
1986,
1987,
1988, and
1989, we’ve got you covered. Purchasing 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 Differentials that fit your vehicle.
Essential 1981 Isuzu I-MARK Differentials
National – Shaft Repair Sleeve (Part No.99157)
from
$37.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)
from
$21.29
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
Popular 1981 Isuzu I-MARK Differentials Categories
Most Popular Differential Pinion Pilot Bearing for 1981 Isuzu I-MARKs
Enhance your 1981 Isuzu I-MARK with this popular Differential Pinion Pilot Bearing we have in stock, for $37.99.
National – Shaft Repair Sleeve (Part No.99157)
from
$37.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
Best-Selling 1981 Isuzu I-MARK Differential Bearing
Upgrade your I-MARK with our best-selling Differential Bearing.
FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)
from
$21.29
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
FAQs for 1981 Isuzu I-MARK Differentials
What are the best-selling Differentials for 1981 Isuzu I-MARKs?
Out of 2 Differentials that fit 1981 Isuzu I-MARKs, the following parts are the top sellers:
- Bearing – TRB (Tapered Roller Bearing) (50206196) – $21.29
What’s the price range for 1981 Isuzu I-MARK Differentials?
The prices of Differentials for the 1981 Isuzu I-MARK range from $21.29 up to $37.99 for the most premium parts.
What is the average price of a Differential for a 1981 Isuzu I-MARK?
The average price for Differentials for the 1981 Isuzu I-MARK is $26.86. Keep in mind the variety of part types within our 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 Differentials for other Isuzu I-MARK model years?
What are the cheapest Differentials for my 1981 Isuzu I-MARK?
The cheapest 1981 Isuzu I-MARK Differentials we carry are:
- Bearing – TRB (Tapered Roller Bearing) (50206196) – $21.29
- Shaft Repair Sleeve (18445098) – $37.99
What are the top-rated Differentials that fit the 1981 Isuzu I-MARK?
The one 1981 Isuzu I-MARK Differential we have in stock is the Bearing – TRB (Tapered Roller Bearing). It costs $21.29.
What types of Differentials do you sell for my 1981 Isuzu I-MARK?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 1981 Isuzu I-MARK:
Can I get help with 1981 Isuzu I-MARK Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Isuzu Differentials and more.
What is your return policy for Isuzu I-MARK Differentials?
Advance Auto Parts keeps returns simple. For new Isuzu I-MARK Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.