1964 GMC 2500 Series Engine Blocks

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Keep Your 1964 GMC 2500 Series in Top Shape with a Quality Engine Block

When it comes to maintaining or upgrading your 1964 GMC 2500 Series, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Engine Block for your 2500 Series. We currently carry a top Engine Block in stock that is built to last. Whether you’re replacing a damaged Engine Block or looking to upgrade, our selection for the 1964 GMC 2500 Series ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Engine Gaskets and Seals and Engine Timing Parts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1964 GMC 2500 Series running smoothly and looking great.

Essential 1964 GMC 2500 Series Engine Blocks

Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-70E (Part No.IS-70E)

Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-70E

from

$14.49
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-55G (Part No.IS-55G)

Melling Stock Replacement Type Oil Pump Intermediate Shaft, 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 Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12550 (Part No.12550)

Melling Select Performance Engine Oil Pump Intermediate Shaft, 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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Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E (Part No.IS-55E)

Melling Stock Replacement Type Oil Pump Intermediate Shaft, 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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ARP Auto Racing – ARP Auto Racing For Use With All Chevy Small Blocks, 8740 Steel, 190000 Psi, 134-7901 (Part No.134-7901)

ARP Auto Racing For Use With All Chevy Small Blocks, 8740 Steel, 190000 Psi, 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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Most Popular Oil Pump Shaft for 1964 GMC 2500 Series

Enhance your 1964 GMC 2500 Series with this popular Oil Pump Shaft we have in stock, for $14.49.

Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-70E (Part No.IS-70E)

Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-70E

from

$14.49
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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FAQs for 1964 GMC 2500 Series Engine Blocks

What’s the price range for 1964 GMC 2500 Series Engine Blocks?

We currently have just one Engine Blocks for the 1964 GMC 2500 Series in stock: Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-70E and it costs $14.49.

Does Advance Auto Parts sell Engine Blocks for other GMC 2500 Series model years?

Yes, we carry Engine Blocks for 4 model years of GMC 2500 Series between 1960 and 1965. The following model years are the most popular for Engine Block purchases: 1965, 1963, 1962, 1961, and 1960.

Does Advance Auto Parts sell Engine Blocks for any other 1964 GMC models?

Yes. We stock Engine Blocks for 5 other popular 1964 GMC models. Some of the most popular are 1964 1000 Series Engine Blocks, 1964 Suburban Engine Blocks, 1964 1500 Series Engine Blocks, 1964 3500 Engine Blocks, and 1964 3000 Engine Blocks.

What types of Engine Blocks do you sell for my 1964 GMC 2500 Series?

We currently have just 1 Engine Block in stock for a 1964 GMC 2500 Series, and as of 8/2/26, it is an Oil Pump Shaft.

Can I get help with 1964 GMC 2500 Series 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 2500 Series Engine Blocks?

Advance Auto Parts keeps returns simple. For new GMC 2500 Series Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.