1981 Isuzu Pickup Differentials

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Keep Your 1981 Isuzu Pickup 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 Pickup looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Bearing Kits, and Differential Pinion Pilot 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 Pickup Differential at Advance Auto Parts is around $136.83, with a range that starts at $2.99 and goes up to $360.99. With 31 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Ring Gear Bolt, Multi-Purpose Bearing, and Differential Pinion Shim Kit start at just $2.99 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 Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1981 Isuzu Pickup in peak condition, inside and out.

Essential 1981 Isuzu Pickup Differentials

Schaeffler – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)

Bearing - CRB (Cylindrical Roller Bearing)

from

$30.99
We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

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
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

Bearing - TRB (Tapered Roller Bearing)

from

$14.99
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.

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
See More

Motive Gear – Differential Pinion Nut (Part No.1260823)

Differential Pinion Nut

from

$9.29
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875342X)

Performance Differential Ring and Pinion

from

$236.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 3.42X* MGP
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875410)

Performance Differential Ring and Pinion

from

$222.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 4.10 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Felpro – Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 55084)

Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket

from

$6.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

National – Shaft Repair Sleeve (Part No.99166)

Shaft Repair Sleeve

from

$34.99
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:
  • 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
See More

Motive Gear – Ring Gear Bolt (Part No.14066913)

Ring Gear Bolt

from

$2.99


Product Features:
  • RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND
See More

Richmond Gear – Differential Gear Install Kit (Part No.83-1044-B)

Differential Gear Install Kit

from

$43.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
See More

Motive Gear – Differential Gear Install Kit (Part No.GM7.5IK)

Differential Gear Install Kit

from

$49.99


Product Features:
  • MINI INSTALL KIT GM 7.5
See More

National – Multi-Purpose Bearing (Part No.32008)

Multi-Purpose Bearing

from

$36.99
Manufactured with premium materials, National taper bearing assemblies are designed and engineered to meet OE specifications.

Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Bearing (Part No.02475)

Bearing

from

$33.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

National – Tapered Roller Bearing Assembly (Part No.30305)

Tapered Roller Bearing Assembly

from

$46.99
Manufactured with premium materials, National taper bearing assemblies are designed and engineered to meet OE specifications.

Product Features:
  • CONSISTENT PERFORMANCE – Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS – Precision manufactured using high-quality materials for durability and performance
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Richmond Gear – Differential Bearing Kit (Part No.83-1044-M)

Differential Bearing Kit

from

$218.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
See More

Motive Gear – Differential Bearing Kit – Timken (Part No.R7.5GRT)

Differential Bearing Kit - Timken

from

$99.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • KIT BRG & SEAL GM 7.5″,’82-98
See More

Richmond Gear – Differential Bearing Kit (Part No.83-1044-1)

Differential Bearing Kit

from

$182.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
See More

Richmond Gear – Differential Bearing Kit (Part No.83-1016-1)

Differential Bearing Kit

from

$182.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
See More

Motive Gear – Differential Super Bearing Kit – Koyo (Part No.R7.5GRSK)

Differential Super Bearing Kit - Koyo

from

$139.99


Product Features:
  • SUPERKIT – GM*7.5*1982-98*KOYO* KOYO BEARINGS
See More

Motive Gear – Differential Pinion Shim Kit (Part No.1104)

Differential Pinion Shim Kit

from

$12.99


Product Features:
  • KIT SHIM
See More

National – Shaft Repair Sleeve (Part No.99157)

Shaft Repair Sleeve

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:
  • 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
See More

National – Shaft Repair Sleeve (Part No.99177)

Shaft Repair Sleeve

from

$39.99
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:
  • 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
See More

Most Popular Differential Bearings for 1981 Isuzu Pickups

Enhance your 1981 Isuzu Pickup with one of the 3 Differential Bearings we have in stock, starting at just $6.99.

National – Multi-Purpose Bearing (Part No.32007)

Multi-Purpose Bearing

from

$70.99
Manufactured with premium materials, National taper bearing assemblies are designed and engineered to meet OE specifications.

Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

Bearing - TRB (Tapered Roller Bearing)

from

$14.99
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.

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
See More

Schaeffler – Cup (Part No.LM48510)

Cup

from

$6.99
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.

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
See More

Best-Selling 1981 Isuzu Pickup Differential Bearing Kits

Upgrade your Pickup with one of our 6 best-selling Differential Bearing Kits.

Richmond Gear – Differential Bearing Kit (Part No.83-1016-1)

Differential Bearing Kit

from

$182.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
See More

Motive Gear – Differential Super Bearing Kit – Timken (Part No.R7.5GRBSKT)

Differential Super Bearing Kit - Timken

from

$148.99


Product Features:
  • SUPER KIT-GM 7.5 (1977-81)*TIMKIN*
See More

Motive Gear – Differential Master Bearing Kit – Timken (Part No.R7.5GRBMKT)

Differential Master Bearing Kit - Timken

from

$119.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • MASTER KIT GM 7.5″ ‘B’ MODEL
See More

Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R7.5GRBMK)

Differential Master Bearing Kit - Koyo

from

$111.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • MASTER BEARING KIT GM7.5 B MODEL CAR 78-87 METRIC HOUSING
See More

Motive Gear – Differential Bearing Kit – Koyo (Part No.R7.5GRB)

Differential Bearing Kit - Koyo

from

$94.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • BRG KIT GM 7.5 ‘B’ MODEL CAR ’78-81 METRIC HOUSING
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT45)

Bearing - TRB (Tapered Roller Bearing)

from

$21.99
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.

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
See More

Top-Quality Differential Pinion Pilot Bearings for 1981 Isuzu Pickups

Choose a high-quality OEM or aftermarket Differential Pinion Pilot Bearing for Isuzu Pickups and enjoy top-notch performance from $37.99.

National – Shaft Repair Sleeve (Part No.99157)

Shaft Repair Sleeve

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:
  • 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
See More

Our Top Pick for a 1981 Isuzu Pickup Differential Ring Gear Bolt

Invest in a durable Differential Ring Gear Bolt for your 1981 Isuzu, knowing you’re getting trusted brands and expert craftsmanship.

Motive Gear – Ring Gear Bolt (Part No.14066913)

Ring Gear Bolt

from

$2.99


Product Features:
  • RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND
See More

Front Differential Pinion Bearings for 1981 Isuzu Pickups

Make a smart move for your 1981 Isuzu Pickup with products all priced from $33.99 to $46.99.

National – Multi-Purpose Bearing (Part No.32008)

Multi-Purpose Bearing

from

$36.99
Manufactured with premium materials, National taper bearing assemblies are designed and engineered to meet OE specifications.

Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Tapered Roller Bearing Assembly (Part No.30305)

Tapered Roller Bearing Assembly

from

$46.99
Manufactured with premium materials, National taper bearing assemblies are designed and engineered to meet OE specifications.

Product Features:
  • CONSISTENT PERFORMANCE – Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS – Precision manufactured using high-quality materials for durability and performance
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Bearing (Part No.02475)

Bearing

from

$33.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

FAQs for 1981 Isuzu Pickup Differentials

What are the best-selling Differentials for 1981 Isuzu Pickups?

Out of 31 Differentials that fit 1981 Isuzu Pickups, the following parts are the top sellers:

What’s the price range for 1981 Isuzu Pickup Differentials?

The prices of Differentials for the 1981 Isuzu Pickup range from $2.99 up to $360.99 for the most premium parts.

What is the average price of a Differential for a 1981 Isuzu Pickup?

The average price for Differentials for the 1981 Isuzu Pickup is $136.83. 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 Pickup model years?

Yes, we carry Differentials for 13 model years of Isuzu Pickups between 1982 and 1995. The following model years are the most popular for Differential purchases: 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, and 1987.

What are the cheapest Differentials for my 1981 Isuzu Pickup?

The cheapest 1981 Isuzu Pickup Differentials we carry are:

What types of Differentials do you sell for my 1981 Isuzu Pickup?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1981 Isuzu Pickup:

Can I get help with 1981 Isuzu Pickup 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 Pickup Differentials?

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