1988 GMC C2500 Engine Blocks
Keep Your 1988 GMC C2500 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 1988 GMC C2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Pump Shafts and Oil Caps. 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 Engine Blocks from Trusted Brands
Looking for a reliable Engine Block? We’ve got you covered with options from brands you know and trust like Carquest Premium and Melling. For example, Carquest Premium Engine Blocks start at just $6.99 with an average 4.5 star rating. Melling offer similar pricing and quality, backed by strong customer feedback. With over 97 reviews and a solid 5.0 star average, you can shop with confidence knowing other GMC C2500 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1988 GMC C2500 Engine Block at Advance Auto Parts is around $16.41, with a range that starts at $6.99 and goes up to $34.99. With 7 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E, Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55G, and Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55H start at just $13.49 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 1988 GMC C2500 in peak condition, inside and out.
Find Your Specific 1988 GMC C2500 Engine Blocks
Looking for the perfect Engine Block for your 1988 GMC C2500? You’re in the right place. Below, you’ll find links to various types of Engine Blocks that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Blocks, ensuring durability and a precise fit for your GMC C2500. Whether you’re driving a 1988 model or another popular model year like
1992,
1993,
1994,
1995,
1996,
1997,
1998,
1999, and
2000, we’ve got you covered. Purchasing Engine Blocks 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 Engine Blocks that fit your vehicle.
Essential 1988 GMC C2500 Engine Blocks
Carquest Premium – Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10066 (Part No.10066)
from
$6.99
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.
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Carquest Premium – Carquest Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack, 10105 (Part No.10105)
from
$8.49
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.
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Carquest Premium – Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10099 (Part No.10099)
from
$11.99
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.
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Carquest Premium – Carquest Engine Oil Filler Cap: Push Fit, Direct Fit, Provides Tight Seal, 1 Pack, 10072 (Part No.10072)
from
$6.99
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.
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Carquest Premium – Carquest Oil Filler Cap, 10114 (Part No.10114)
from
$6.89
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.
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Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55H (Part No.IS-55H)
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77 (Part No.IS-77)
from
$23.99
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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ARP Auto Racing – ARP Auto Racing For Use With Chevy Big Block, 8740 Steel, 190000 Psi, 135-7901 (Part No.135-7901)
from
$25.99
Many an engine has been destroyed as a result of oil pump driveshaft failure. To cure this all too common problem, ARP has designed an extra heavy duty shaft that will provide you with the necessary reliability. The shaft is made from heat treated, premium grade aerospace chrome moly steel. Moreover, the shaft diameter is a larger diameter than the OEM unit. These features combine to enable ARP shafts to handle the added torque requirements of increased capacity oil pumps or heavy viscosity lubricants.
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Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55G (Part No.IS-55G)
from
$17.79
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77A (Part No.IS-77A)
from
$12.79
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12770 (Part No.12770)
from
$32.99
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E (Part No.IS-55E)
from
$22.99
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12550 (Part No.12550)
from
$34.99
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Sealed Power – Sealed Power Engine Oil Pump Intermediate Shaft, 224-6154 (Part No.224-6154)
from
$10.99
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.
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ARP Auto Racing – ARP Auto Racing For Use With All Chevy Small Blocks, 8740 Steel, 190000 Psi, 134-7901 (Part No.134-7901)
from
$24.99
Many an engine has been destroyed as a result of oil pump driveshaft failure. To cure this all too common problem, ARP has designed an extra heavy duty shaft that will provide you with the necessary reliability. The shaft is made from heat treated, premium grade aerospace chrome moly steel. Moreover, the shaft diameter is a larger diameter than the OEM unit. These features combine to enable ARP shafts to handle the added torque requirements of increased capacity oil pumps or heavy viscosity lubricants.
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Popular 1988 GMC C2500 Engine Blocks Categories
Most Popular Oil Pump Shafts for 1988 GMC C2500s
Enhance your 1988 GMC C2500 with one of the 5 Oil Pump Shafts we have in stock, starting at just $13.49.
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E (Part No.IS-55E)
from
$22.99
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55G (Part No.IS-55G)
from
$17.79
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55H (Part No.IS-55H)
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
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Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12550 (Part No.12550)
from
$34.99
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.
See More
ARP Auto Racing – ARP Auto Racing For Use With All Chevy Small Blocks, 8740 Steel, 190000 Psi, 134-7901 (Part No.134-7901)
from
$24.99
Many an engine has been destroyed as a result of oil pump driveshaft failure. To cure this all too common problem, ARP has designed an extra heavy duty shaft that will provide you with the necessary reliability. The shaft is made from heat treated, premium grade aerospace chrome moly steel. Moreover, the shaft diameter is a larger diameter than the OEM unit. These features combine to enable ARP shafts to handle the added torque requirements of increased capacity oil pumps or heavy viscosity lubricants.
See More
Best-Selling 1988 GMC C2500 Oil Caps
Upgrade your C2500 with one of our 2 best-selling Oil Caps, earning an average 5 stars rating across 19 reviews.
Carquest Premium – Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10066 (Part No.10066)
from
$6.99
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.
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Carquest Premium – Carquest Engine Oil Filler Cap: Push Fit, Direct Fit, Provides Tight Seal, 1 Pack, 10072 (Part No.10072)
from
$6.99
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.
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Top-Rated Engine Block Brands For Your 1988 GMC C2500
When it comes to finding the perfect Engine Block for your 1988 GMC C2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Engine Block brands including Carquest Premium and Melling, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $6.99. Purchasing a Engine Block from us here at Advance Auto Parts is a smart move for both you and your 1988 GMC C2500, providing peace of mind with parts that meet or exceed OEM standards.
Popular Carquest Premium 1988 GMC C2500 Engine Blocks
If you’re looking for a top-quality Engine Block for your 1988 GMC C2500, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Blocks. We have 2 Carquest Premium Engine Blocks in stock for this fitment, all known for their durability and precision fit. With prices starting at just $6.99, you’ll find the perfect Engine Block for your needs and budget. Carquest Premium Engine Blocks for the 1988 GMC C2500 come highly rated, with over 19 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Premium Engine Block from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$6.99
(15)
Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10066
“Its an oil cap that fit and was cheap.”
from
$6.99
(4)
Carquest Engine Oil Filler Cap: Push Fit, Direct Fit, Provides Tight Seal, 1 Pack, 10072
“Worked great!”
Top-Quality Melling 1988 GMC C2500 Engine Blocks
For those in search of a high-quality Engine Block for their 1988 GMC C2500, Advance Auto Parts offers a great selection of Melling Engine Blocks. With 1 Melling Engine Blocks in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Blocks start at just $22.99, giving you a range of options to suit your budget. Backed by over 7 customer ratings and an average rating of 4.3 stars, Melling Engine Blocks provide both reliability and excellent performance. Choosing a Melling Engine Block from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$22.99
(7)
Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E
“After checking several sources Advance Auto hadthe best value.”
FAQs for 1988 GMC C2500 Engine Blocks
What are the best-selling Engine Blocks for 1988 GMC C2500s?
Out of 7 Engine Blocks that fit 1988 GMC C2500s, the following parts are the top sellers:
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E (3681491) – $22.99
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55G (5687837) – $17.79
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55H (19690664) – $13.49
What’s the price range for 1988 GMC C2500 Engine Blocks?
The prices of Engine Blocks for the 1988 GMC C2500 range from $6.99 up to $34.99 for the most premium parts.
What is the average price of an Engine Block for a 1988 GMC C2500?
The average price for Engine Blocks for the 1988 GMC C2500 is $16.41. 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 GMC C2500 model years?
What are the cheapest Engine Blocks for my 1988 GMC C2500?
The cheapest 1988 GMC C2500 Engine Blocks we carry are:
- Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10066 (18481405) – $6.99
- Carquest Engine Oil Filler Cap: Push Fit, Direct Fit, Provides Tight Seal, 1 Pack, 10072 (18481408) – $6.99
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55H (19690664) – $13.49
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55G (5687837) – $17.79
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E (3681491) – $22.99
Does Advance Auto Parts sell Engine Blocks for any other 1988 GMC models?
Yes. We stock Engine Blocks for 23 other popular 1988 GMC models. Some of the most popular are 1988 Jimmy Engine Blocks, 1988 K2500 Engine Blocks, 1988 K1500 Engine Blocks, 1988 C1500 Engine Blocks, and 1988 K3500 Engine Blocks.
What are the top-rated Engine Blocks that fit the 1988 GMC C2500?
Based on 97 reviews by customers, our 1988 GMC C2500 Engine Blocks have an average customer rating of 5.0 stars. These are the highest-rated categories of Engine Blocks for the 1988 GMC C2500 and their top-rated products:
- Oil Pump Shafts
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E (3681491) – $22.99
- Oil Caps
What types of Engine Blocks do you sell for my 1988 GMC C2500?
As of 8/2/26, these are some of the most in-demand types of Engine Blocks for a 1988 GMC C2500:
Can I get help with 1988 GMC C2500 Engine Block orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Engine Blocks and more.
What is your return policy for GMC C2500 Engine Blocks?
Advance Auto Parts keeps returns simple. For new GMC C2500 Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.