1981 GMC Caballero Differentials

Name: Differential Master Bearing Kit - Timken
Brand: Motive Gear
SKU: R10RMKT
Price: 135.99 USD
Rating: 4.0 (1 reviews)

Keep Your 1981 GMC Caballero in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1981 GMC Caballero looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Pinion Seals, and Rear Differential Cover Gaskets. 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.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Motive Gear, and FELPRO. For example, National Differentials start at just $7.99 with an average 4.3 star rating. Motive Gear and FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 1,108 reviews and a solid 4 star average, you can shop with confidence knowing other GMC Caballero owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 GMC Caballero Differential at Advance Auto Parts is around $127.97, with a range that starts at $2.99 and goes up to $1,014.99. With 55 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, and Differential Shaft Lock Bolt start at just $6.79 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 GMC Caballero in peak condition, inside and out.

Looking for the perfect Differential for your 1981 GMC Caballero? 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 GMC Caballero. Whether you’re driving a 1981 model or another popular model year like 1978, 1979, 1980, 1982, 1983, 1984, 1985, 1986, and 1987, 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 GMC Caballero Differentials

from

$135.99

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 10 BOLT MASTER NON IFS FRONT / REAR

from

$104.99

GM 10 BOLT 8.5″ BRG KIT W/EATON OR AUBURN PRO

from

$4.49

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

Product Features:

PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION — Crowned raceways for even load distribution
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

from

$6.69

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

from

$159.99

Product Features:

SUPER KIT-GM 8.5 TRUCK(EARLY)TIMKEN INCLUDES AXLE BRGS & SEALS

from

$216.99

This differential bearing kit includes all necessary installation components for a differential ring and pinion on certain vehicle years, makes and models.

Product Features:

Convenient kit – this ring and pinion bearing installation kit includes all necessary components for a complete repair on certain vehicle applications
Related repair – smart to have on hand when installing a differential ring and pinion
Durable construction – built for reliable longevity, free of defects in materials and workmanship
Trustworthy quality – backed by team of designers and engineers in the United States

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

from

$53.99

The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.

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

from

$7.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$8.99

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

from

$30.49

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
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

from

$7.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$6.79

This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$2.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

from

$19.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

from

$4.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

from

$14.99

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
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

from

$10.79

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
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

from

$10.99

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

from

$148.99

Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

from

$11.99

Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:

Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
Enhanced anti-shudder protection for smooth shifting and maximum power transfer
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

from

$14.49

Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

Product Features:

Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
Enhanced anti-shudder protection for smooth shifting and maximum power transfer
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

from

$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$6.99

This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
Required replacement – when servicing the differential
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$3.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

from

$2.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

from

$9.19

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

All products are designed to meet or exceed OE quality, form, fit and funtion.

Popular 1981 GMC Caballero Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Pinion Pilot Bearings

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Ring and Pinions

Rear Differential Pinion Bearings

Rear Housing Cover Gaskets

Differential Crush Sleeves

Differential Pinion Gear Thrust Washers

Best-Selling 1981 GMC Caballero Differential Pinion Seal

Upgrade your Caballero with our best-selling Differential Pinion Seal with a 5 Starts rating across 1 review.

show more show less

from

$7.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

Top-Quality Rear Differential Cover Gaskets for 1981 GMC Caballeros

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for GMC Caballeros and enjoy top-notch performance from $8.99.

show more show less

from

$8.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

Our Top Pick for a 1981 GMC Caballero Rear Housing Cover Gasket

Invest in a durable Rear Housing Cover Gasket for your 1981 GMC, knowing you’re getting trusted brands and expert craftsmanship.

show more show less

from

$10.99

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

Top-Rated Differential Oil for 1981 GMC Caballeros

Make a smart move for your 1981 GMC Caballero with products all priced from $11.99 to $148.99.

show more show less

from

$14.49

Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
Enhanced anti-shudder protection for smooth shifting and maximum power transfer
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

from

$11.99

Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
Enhanced anti-shudder protection for smooth shifting and maximum power transfer
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

from

$148.99

Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

from

$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

from

$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Top-Rated Differential Brands For Your 1981 GMC Caballero

When it comes to finding the perfect Differential for your 1981 GMC Caballero, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 trusted brands. We carry the most popular Differential brands including FELPRO, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1981 GMC Caballero, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1981 GMC Caballero Differentials

If you’re looking for a top-quality Differential for your 1981 GMC Caballero, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 2 FELPRO Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.99 and an average cost of $9.99, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1981 GMC Caballero come highly rated, with over 240 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $8.99

(45)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

“Fit was right on no problems with alignment on cover.”

from $10.99

(195)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

“Worked as described”

Top-Quality National 1981 GMC Caballero Differentials

For those in search of a high-quality Differential for their 1981 GMC Caballero, Advance Auto Parts offers a great selection of National Differentials. With 3 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $7.99, with an average price of $56.42, giving you a range of options to suit your budget. Backed by over 8 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $151.99

(2)

Axle Differential Bearing & Seal Kit

“All you need to overhaul a diff, at a good price”

from $7.99

(4)

Bearing Race

“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”

from $9.29

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

FAQs for 1981 GMC Caballero Differentials

What are the best-selling Differentials for 1981 GMC Caballeros?

Out of 55 Differentials that fit 1981 GMC Caballeros, the following parts are the top sellers:

DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49
DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
Differential Shaft Lock Bolt (5707714) – $6.79

What’s the price range for 1981 GMC Caballero Differentials?

The prices of Differentials for the 1981 GMC Caballero range from $2.99 up to $1,014.99 for the most premium parts.

What is the average price of a Differential for a 1981 GMC Caballero?

The average price for Differentials for the 1981 GMC Caballero is $127.97. 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 GMC Caballero model years?

Yes, we carry Differentials for 8 model years of GMC Caballeros between 1978 and 1987. The following model years are the most popular for Differential purchases: 1987, 1986, 1985, 1984, 1983, 1982, 1980, 1979, and 1978.

What are the cheapest Differentials for my 1981 GMC Caballero?

The cheapest 1981 GMC Caballero Differentials we carry are:

Differential Cross Shaft (10282201) – $2.99
Crush Sleeve (10593152) – $3.99
Bearing Race (3277461) – $4.49
Differential Pinion Yoke Washer (10282284) – $4.99
Cup (50211146) – $6.69

Does Advance Auto Parts sell Differentials for any other 1981 GMC models?

Yes. We stock Differentials for 16 other popular 1981 GMC models. Some of the most popular are 1981 Jimmy Differentials, 1981 K2500 Differentials, 1981 C2500 Differentials, 1981 K1500 Differentials, and 1981 C1500 Differentials.

What are the top-rated Differentials that fit the 1981 GMC Caballero?

Based on 1,108 reviews by customers, our 1981 GMC Caballero Differentials have an average customer rating of 4 stars. These are the highest-rated categories of Differentials for the 1981 GMC Caballero and their top-rated products:

Front Differential Pinion Bearings
- Bearing Race (3277585) – $7.99
Differential Oil
- DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (12079201) – $14.49

What types of Differentials do you sell for my 1981 GMC Caballero?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1981 GMC Caballero:

Can I get help with 1981 GMC Caballero Differential orders?

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

What is your return policy for GMC Caballero Differentials?

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

1981 GMC Caballero Differentials

Motive Gear – Differential Master Bearing Kit – Timken (Part No.R10RMKT)

Motive Gear – Differential Bearing Kit – Koyo (Part No.R10RE)

National – Bearing Race (Part No.LM67010)

FAG US – Cup (Part No.LM67010)

Motive Gear – Differential Super Bearing Kit – Timken (Part No.R10RASKT)

Dorman – Ring and Pinion Bearing Installation Kit (Part No.697-100)

National – Shaft Repair Sleeve (Part No.99199)

FAG US – Repair Sleeve (Part No.SR3506)

Driveworks – Oil Seal (Part No.S-2043)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

National – Tapered Roller Bearing Cone (Part No.HM89249)

Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Pro-King – Differential Cross Shaft (Part No.742G930)

Pro-King – Shim Kit (Part No.741A200)

Pro-King – Differential Pinion Yoke Washer (Part No.742A215)

National – Bearing Race (Part No.HM89210)

National – Bearing Race (Part No.HM89410)

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Dorman – Help – Pinion Crush Sleeves (Part No.81058)

Pro-King – Crush Sleeve (Part No.741A034)

Pro-King – Differential Crush Sleeve (Part No.742G034)

Pro-King – Differential Crush Sleeve (Part No.742J034)

National – Bearing Race (Part No.LM501314)

National – Tapered Roller Bearing Cone (Part No.LM501349)

National – Bearing Race (Part No.LM67010)

FAG US – Cone (Part No.KM86649)

FAG US – Cup (Part No.LM67010)

Driveworks – Oil Seal (Part No.S-2043)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)