1998 AM General Hummer Engine Blocks

Keep Your 1998 AM General Hummer in Top Shape with Quality Engine Blocks

Whether you’re repairing or upgrading your Engine Block, 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 Oil Pump Shafts, Oil Caps, and Engine Assembly Lube. 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 1998 AM General Hummer Engine Block at Advance Auto Parts is around $11.66, with a range that starts at $10.49 and goes up to $13.49. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Stock Replacement Type Oil Pump Intermediate Shaft and Engine Assembly Lubricant start at just $10.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Block, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. 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 Engine Blocks

Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-55H)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$13.49
A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$10.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Sealed Power – Engine Assembly Lubricant (Part No.55-400)

Engine Assembly Lubricant

from

$10.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Formulated for prelubrication cam lobes, lifters & engine bearings
  • Increases load carrying capacity
  • Holds fast to surfaces
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • 4.0 oz. Squeeze Container
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Most Popular Oil Pump Shaft for 1998 AM General Hummers

Enhance your 1998 AM General Hummer with this popular Oil Pump Shaft we have in stock, for $13.49.

Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-55H)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$13.49
A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

Best-Selling 1998 AM General Hummer Oil Cap

Upgrade your Hummer with our best-selling Oil Cap with a 3 Starts rating across 22 reviews.

Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$10.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Top-Quality Engine Assembly Lube for 1998 AM General Hummers

Choose a high-quality OEM or aftermarket Engine Assembly Lube for AM General Hummers and enjoy top-notch performance from $10.49.

Sealed Power – Engine Assembly Lubricant (Part No.55-400)

Engine Assembly Lubricant

from

$10.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Formulated for prelubrication cam lobes, lifters & engine bearings
  • Increases load carrying capacity
  • Holds fast to surfaces
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • 4.0 oz. Squeeze Container
See More

FAQs for 1998 AM General Hummer Engine Blocks

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

Out of 3 Engine Blocks that fit 1998 AM General Hummers, the following parts are the top sellers:

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

The prices of Engine Blocks for the 1998 AM General Hummer range from $10.49 up to $13.49 for the most premium parts.

What is the average price of an Engine Block for a 1998 AM General Hummer?

The average price for Engine Blocks for the 1998 AM General Hummer is $11.66. Keep in mind the variety of part types within our Engine Block category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Blocks for other AM General Hummer model years?

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

What are the cheapest Engine Blocks for my 1998 AM General Hummer?

The cheapest 1998 AM General Hummer Engine Blocks we carry are:

What are the top-rated Engine Blocks that fit the 1998 AM General Hummer?

The one 1998 AM General Hummer Engine Block we have in stock is the Engine Assembly Lubricant. It costs $10.49.

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

As of 11/2/25, these are some of the most in-demand types of Engine Blocks for a 1998 AM General Hummer:

Can I get help with 1998 AM General Hummer Engine Block orders?

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

What is your return policy for AM General Hummer Engine Blocks?

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