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 Bearings, Differential Carrier Bearing Races, and Differential Oil. 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 $14.99, with a range that starts at $5.99 and goes up to $35.99. With 5 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Driveworks Ball Bearing, S-L-44649, Schaeffler Cone, KL44649, and Driveworks Tapered Roller Bearing, S-19268 start at just $5.99 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 – National Multi-Purpose Bearing, 32307 (Part No.32307)
from
$58.99
Manufactured with premium materials, National taper bearing assemblies are designed and engineered to meet OE specifications.
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Driveworks – Driveworks Ball Bearing, S-L-44649 (Part No.S-L-44649)
National – National Multi-Purpose Bearing, 32206 (Part No.32206)
from
$30.99
Manufactured with premium materials, National taper bearing assemblies are designed and engineered to meet OE specifications.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)
from
$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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Schaeffler – Schaeffler Cone, KL44649 (Part No.KL44649)
from
$11.99
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.
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Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT4 (Part No.KT4)
from
$13.99
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.
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National – National Multi-Purpose Bearing, 30208 (Part No.30208)
from
$33.99
Manufactured with premium materials, National taper bearing assemblies are designed and engineered to meet OE specifications.
See More
Driveworks – Driveworks Tapered Roller Bearing, S-19268 (Part No.S-19268)
Popular 1981 Isuzu I-MARK Differentials Categories
Most Popular Differential Bearings for 1981 Isuzu I-MARKs
Enhance your 1981 Isuzu I-MARK with one of the 2 Differential Bearings we have in stock, starting at just $11.99.
Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT4 (Part No.KT4)
from
$13.99
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.
See More
Schaeffler – Schaeffler Cone, KL44649 (Part No.KL44649)
from
$11.99
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.
See More
Best-Selling 1981 Isuzu I-MARK Differential Carrier Bearing Race
Upgrade your I-MARK with our best-selling Differential Carrier Bearing Race.
Driveworks – Driveworks Tapered Roller Bearing, S-19268 (Part No.S-19268)
Top-Quality Differential Oil for 1981 Isuzu I-MARKs
Choose a high-quality OEM or aftermarket Differential Oil for Isuzu I-MARKs and enjoy top-notch performance from $35.99.
Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)
from
$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
See More
Our Top Pick for a 1981 Isuzu I-MARK Front Differential Pinion Bearing
Invest in a
durable Front Differential Pinion Bearing for your 1981 Isuzu, knowing you’re getting trusted brands and expert craftsmanship.
Driveworks – Driveworks Ball Bearing, S-L-44649 (Part No.S-L-44649)
FAQs for 1981 Isuzu I-MARK Differentials
What are the best-selling Differentials for 1981 Isuzu I-MARKs?
Out of 5 Differentials that fit 1981 Isuzu I-MARKs, the following parts are the top sellers:
- Driveworks Ball Bearing, S-L-44649 (15040009) – $5.99
- Schaeffler Cone, KL44649 (50205930) – $11.99
- Driveworks Tapered Roller Bearing, S-19268 (12544942) – $6.99
What’s the price range for 1981 Isuzu I-MARK Differentials?
The prices of Differentials for the 1981 Isuzu I-MARK range from $5.99 up to $35.99 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 $14.99. 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:
- Driveworks Ball Bearing, S-L-44649 (15040009) – $5.99
- Driveworks Tapered Roller Bearing, S-19268 (12544942) – $6.99
- Schaeffler Cone, KL44649 (50205930) – $11.99
- Schaeffler Bearing – TRB (Tapered Roller Bearing), KT4 (50205946) – $13.99
- Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (50154410) – $35.99
What types of Differentials do you sell for my 1981 Isuzu I-MARK?
As of 8/2/26, 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.