1998 AM General Hummer Differentials

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Keep Your 1998 AM General Hummer in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1998 AM General Hummer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Crush Sleeves, Rear Housing Cover Gaskets, 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.

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 Motive Gear. For example, Motive Gear Differentials start at just $2.99 with an average 4.1 star rating. With over 6 reviews and a solid 4.5 star average, you can shop with confidence knowing other AM General Hummer owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1998 AM General Hummer Differential at Advance Auto Parts is around $103.94, with a range that starts at $2.99 and goes up to $522.99. With 23 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Felpro Axle Housing Cover Gasket, RDS 13889, Driveworks Tapered Roller Bearing, S-M-802048, and Motive Gear Differential Pinion Seal, 470331N start at just $12.49 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 1998 AM General Hummer in peak condition, inside and out.

Essential 1998 AM General Hummer Differentials

Motive Gear – Motive Gear Differential Pinion Nut, 379570S (Part No.379570S)

Motive Gear Differential Pinion Nut, 379570S

from

$6.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear.
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Motive Gear – Motive Gear Differential Pinion Seal, 470331N (Part No.470331N)

Motive Gear Differential Pinion Seal, 470331N

from

$17.49
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.
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Motive Gear – Motive Gear Differential Crush Sleeve, 3507575 (Part No.3507575)

Motive Gear Differential Crush Sleeve, 3507575

from

$2.99
Motive Gear Differential Crush Sleeve, 3507575.
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Driveworks – Driveworks Tapered Roller Bearing, S-M-802048 (Part No.S-M-802048)

Driveworks Tapered Roller Bearing, S-M-802048

from

$17.99
Driveworks Tapered Roller Bearing, S-M-802048.
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Schaeffler – Schaeffler Tapered Roller Bearing, KT63 (Part No.KT63)

Schaeffler Tapered Roller Bearing, KT63

from

$25.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 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

Valvoline – Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976 (Part No.904976)

Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976

from

$15.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula keeps your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.
See More

Motive Gear – Motive Gear Differential Carrier Shim Kit, 1130 (Part No.1130)

Motive Gear Differential Carrier Shim Kit, 1130

from

$18.99
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 – Motive Gear Differential Bearing Kit – Timken, R20RT (Part No.R20RT)

Motive Gear Differential Bearing Kit - Timken, R20RT

from

$88.99
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
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Motive Gear – Motive Gear Differential Bearing Kit – Koyo, R20R (Part No.R20R)

Motive Gear Differential Bearing Kit - Koyo, R20R

from

$103.99
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
See More

Motive Gear – Motive Gear Differential Gear Install Kit, AM20IK (Part No.AM20IK)

Motive Gear Differential Gear Install Kit, AM20IK

from

$52.79
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
See More

Felpro – Felpro Axle Housing Cover Gasket, RDS 13889 (Part No.RDS 13889)

Felpro Axle Housing Cover Gasket, RDS 13889

from

$12.49
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.
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Motive Gear – Motive Gear Differential Ring and Pinion, AM20-410 (Part No.AM20-410)

Motive Gear Differential Ring and Pinion, AM20-410

from

$229.99
Motive Gear Differential Ring and Pinion, AM20-410.
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Motive Gear – Motive Gear Differential Ring and Pinion, AM20-331 (Part No.AM20-331)

Motive Gear Differential Ring and Pinion, AM20-331

from

$251.99
Motive Gear Differential Ring and Pinion, AM20-331.
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National – National Shaft Repair Sleeve, 99210 (Part No.99210)

National Shaft Repair Sleeve, 99210

from

$49.49
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.
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Powertrax – Powertrax Differential Lock Assembly, 9201202900 (Part No.9201202900)

Powertrax Differential Lock Assembly, 9201202900

from

$522.99
For vehicles that are driven daily, the Power Trax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
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Powertrax – Powertrax Differential Lock Assembly, 1710-LR (Part No.1710-LR)

Powertrax Differential Lock Assembly, 1710-LR

from

$368.99
For vehicles that are driven daily, the Power Trax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
See More

Motive Gear – Motive Gear Differential Pinion Shim Kit, 1127 (Part No.1127)

Motive Gear Differential Pinion Shim Kit, 1127

from

$21.29
Motive Gear Differential Pinion Shim Kit, 1127.
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Victor Reinz – Victor Reinz Differential Carrier Gasket, 71-14837-00 (Part No.71-14837-00)

Victor Reinz Differential Carrier Gasket, 71-14837-00

from

$13.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Most Popular Differential Crush Sleef for 1998 AM General Hummers

Enhance your 1998 AM General Hummer with this popular Differential Crush Sleef we have in stock, for $2.99.

Motive Gear – Motive Gear Differential Crush Sleeve, 3507575 (Part No.3507575)

Motive Gear Differential Crush Sleeve, 3507575

from

$2.99
Motive Gear Differential Crush Sleeve, 3507575.
See More

Best-Selling 1998 AM General Hummer Rear Housing Cover Gasket

Upgrade your Hummer with our best-selling Rear Housing Cover Gasket.

Felpro – Felpro Axle Housing Cover Gasket, RDS 13889 (Part No.RDS 13889)

Felpro Axle Housing Cover Gasket, RDS 13889

from

$12.49
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.
See More

Top-Quality Differential Oil for 1998 AM General Hummers

Choose a high-quality OEM or aftermarket Differential Oil for AM General Hummers and enjoy top-notch performance from $15.99.

Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 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

Valvoline – Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976 (Part No.904976)

Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976

from

$15.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula keeps your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.
See More

Top Picks for 1998 AM General Hummer Differential Bearing Kits

Invest in one of our 2 durable Differential Bearing Kits for your 1998 AM General, knowing you’re getting trusted brands and expert craftsmanship.

Motive Gear – Motive Gear Differential Bearing Kit – Koyo, R20R (Part No.R20R)

Motive Gear Differential Bearing Kit - Koyo, R20R

from

$103.99
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
See More

Motive Gear – Motive Gear Differential Bearing Kit – Timken, R20RT (Part No.R20RT)

Motive Gear Differential Bearing Kit - Timken, R20RT

from

$88.99
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
See More

Our Differential Pinion Seals for 1998 AM General Hummers

Make a smart move for your 1998 AM General Hummer with our Differential Pinion Seal for $17.49.

Motive Gear – Motive Gear Differential Pinion Seal, 470331N (Part No.470331N)

Motive Gear Differential Pinion Seal, 470331N

from

$17.49
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

Top-Rated Differential Brands For Your 1998 AM General Hummer

When it comes to finding the perfect Differential for your 1998 AM General Hummer, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Differential brands including Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $2.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1998 AM General Hummer, providing peace of mind with parts that meet or exceed OEM standards.

Popular Motive Gear 1998 AM General Hummer Differentials

If you’re looking for a top-quality Differential for your 1998 AM General Hummer, Advance Auto Parts has exactly what you need with our selection of Motive Gear Differentials. We have 2 Motive Gear Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $2.99 and an average cost of $4.99, you’ll find the perfect Differential for your needs and budget. Motive Gear Differentials for the 1998 AM General Hummer come highly rated, with over 2 customer reviews and an impressive average rating of 4.1 stars. Choosing a Motive Gear Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Motive Gear Differential Crush Sleeve, 3507575
from $2.99
(1)
Motive Gear Differential Crush Sleeve, 3507575
“High quality, would buy again”
Motive Gear Differential Pinion Nut, 379570S
from $6.99
(1)
Motive Gear Differential Pinion Nut, 379570S
“If a pinion nut is ever removed from the pinion shaft, it is recommended NOT to reuse it. Replace it with a BRAND NEW nut, even if the old nut is rel”

FAQs for 1998 AM General Hummer Differentials

What are the best-selling Differentials for 1998 AM General Hummers?

Out of 23 Differentials that fit 1998 AM General Hummers, the following parts are the top sellers:

What’s the price range for 1998 AM General Hummer Differentials?

The prices of Differentials for the 1998 AM General Hummer range from $2.99 up to $522.99 for the most premium parts.

What is the average price of a Differential for a 1998 AM General Hummer?

The average price for Differentials for the 1998 AM General Hummer is $103.94. 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 AM General Hummer model years?

Yes, we carry Differentials for 3 model years of AM General Hummers between 1992 and 1997. The following model years are the most popular for Differential purchases: 1997, 1994, 1993, and 1992.

What are the cheapest Differentials for my 1998 AM General Hummer?

The cheapest 1998 AM General Hummer Differentials we carry are:

What types of Differentials do you sell for my 1998 AM General Hummer?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1998 AM General Hummer:

Can I get help with 1998 AM General Hummer Differential orders?

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

What is your return policy for AM General Hummer Differentials?

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