1971 GMC K15/K1500 Suburban Engine Blocks

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1971 GMC K15/K1500 Suburban 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 1971 GMC K15/K1500 Suburban looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Caps and Oil Pump Shafts. 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 Melling and Carquest Premium. For example, Melling Engine Blocks start at just $22.99 with an average 4.3 star rating. Carquest Premium offer similar pricing and quality, backed by strong customer feedback. With over 115 reviews and a solid 5.0 star average, you can shop with confidence knowing other GMC K15/K1500 Suburban owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1971 GMC K15/K1500 Suburban Engine Block at Advance Auto Parts is around $19.31, with a range that starts at $6.99 and goes up to $34.99. With 10 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77A, Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55G, and Melling Select Performance Engine Oil Pump Intermediate Shaft, 12770 start at just $7.45 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 1971 GMC K15/K1500 Suburban in peak condition, inside and out.

Essential 1971 GMC K15/K1500 Suburban Engine Blocks

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.
See More

Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77 (Part No.IS-77)

Melling Stock Replacement Type Oil Pump Intermediate Shaft, 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.
See More

Sealed Power – Sealed Power Engine Oil Pump Intermediate Shaft, 224-6154 (Part No.224-6154)

Sealed Power Engine Oil Pump Intermediate Shaft, 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.
See More

Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12770 (Part No.12770)

Melling Select Performance Engine Oil Pump Intermediate Shaft, 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.
See More

Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77A (Part No.IS-77A)

Melling Stock Replacement Type Oil Pump Intermediate Shaft, 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.
See More

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.
See More

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.
See More

ARP Auto Racing – ARP Auto Racing For Use With Chevy Big Block, 8740 Steel, 190000 Psi, 135-7901 (Part No.135-7901)

ARP Auto Racing For Use With Chevy Big Block, 8740 Steel, 190000 Psi, 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.
See More

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.
See More

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.
See More

Carquest Premium – Carquest Crankcase Breather Cap, 10061 (Part No.10061)

Carquest Crankcase Breather Cap, 10061

from

$14.99
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.
See More

Carquest Premium – Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10066 (Part No.10066)

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

Carquest Premium – Carquest Engine Oil Filler Cap: Push Fit, Direct Fit, Provides Tight Seal, 1 Pack, 10072 (Part No.10072)

Carquest Engine Oil Filler Cap: Push Fit, Direct Fit, Provides Tight Seal, 1 Pack, 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.
See More

Most Popular Oil Cap for 1971 GMC K15/K1500 Suburbans

Enhance your 1971 GMC K15/K1500 Suburban with this popular Oil Cap we have in stock, for $6.99.

Carquest Premium – Carquest Engine Oil Filler Cap: Push Fit, Direct Fit, Provides Tight Seal, 1 Pack, 10072 (Part No.10072)

Carquest Engine Oil Filler Cap: Push Fit, Direct Fit, Provides Tight Seal, 1 Pack, 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.
See More

Best-Selling 1971 GMC K15/K1500 Suburban Oil Pump Shafts

Upgrade your K15/K1500 Suburban with one of our 9 best-selling Oil Pump Shafts, earning an average 5 stars rating across 8 reviews.

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.
See More

Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77 (Part No.IS-77)

Melling Stock Replacement Type Oil Pump Intermediate Shaft, 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.
See More

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.
See More

Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77A (Part No.IS-77A)

Melling Stock Replacement Type Oil Pump Intermediate Shaft, 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.
See More

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.
See More

Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12770 (Part No.12770)

Melling Select Performance Engine Oil Pump Intermediate Shaft, 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.
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)

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.
See More

ARP Auto Racing – ARP Auto Racing For Use With Chevy Big Block, 8740 Steel, 190000 Psi, 135-7901 (Part No.135-7901)

ARP Auto Racing For Use With Chevy Big Block, 8740 Steel, 190000 Psi, 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.
See More

Sealed Power – Sealed Power Engine Oil Pump Intermediate Shaft, 224-6154 (Part No.224-6154)

Sealed Power Engine Oil Pump Intermediate Shaft, 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.
See More

Top-Rated Engine Block Brands For Your 1971 GMC K15/K1500 Suburban

When it comes to finding the perfect Engine Block for your 1971 GMC K15/K1500 Suburban, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 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 1971 GMC K15/K1500 Suburban, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 1971 GMC K15/K1500 Suburban Engine Blocks

If you’re looking for a top-quality Engine Block for your 1971 GMC K15/K1500 Suburban, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Blocks. We have 1 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 1971 GMC K15/K1500 Suburban come highly rated, with over 4 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.

Top-Quality Melling 1971 GMC K15/K1500 Suburban Engine Blocks

For those in search of a high-quality Engine Block for their 1971 GMC K15/K1500 Suburban, Advance Auto Parts offers a great selection of Melling Engine Blocks. With 2 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, with an average price of $23.49, giving you a range of options to suit your budget. Backed by over 8 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.
Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E
from $22.99
(7)
Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-55E
“After checking several sources Advance Auto hadthe best value.”
Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77
from $23.99
(1)
Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-77
“It is a good product at a price that cannot be beaten.”

FAQs for 1971 GMC K15/K1500 Suburban Engine Blocks

What are the best-selling Engine Blocks for 1971 GMC K15/K1500 Suburbans?

Out of 10 Engine Blocks that fit 1971 GMC K15/K1500 Suburbans, the following parts are the top sellers:

What’s the price range for 1971 GMC K15/K1500 Suburban Engine Blocks?

The prices of Engine Blocks for the 1971 GMC K15/K1500 Suburban range from $6.99 up to $34.99 for the most premium parts.

What is the average price of an Engine Block for a 1971 GMC K15/K1500 Suburban?

The average price for Engine Blocks for the 1971 GMC K15/K1500 Suburban is $19.31. 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 K15/K1500 Suburban model years?

Yes, we carry Engine Blocks for 6 model years of GMC K15/K1500 Suburbans between 1967 and 1974. The following model years are the most popular for Engine Block purchases: 1974, 1973, 1972, 1970, 1969, 1968, and 1967.

What are the cheapest Engine Blocks for my 1971 GMC K15/K1500 Suburban?

Does Advance Auto Parts sell Engine Blocks for any other 1971 GMC models?

What are the top-rated Engine Blocks that fit the 1971 GMC K15/K1500 Suburban?

Based on 115 reviews by customers, our 1971 GMC K15/K1500 Suburban Engine Blocks have an average customer rating of 5.0 stars. These are the highest-rated categories of Engine Blocks for the 1971 GMC K15/K1500 Suburban and their top-rated products:

What types of Engine Blocks do you sell for my 1971 GMC K15/K1500 Suburban?

As of 8/2/26, these are some of the most in-demand types of Engine Blocks for a 1971 GMC K15/K1500 Suburban:

Can I get help with 1971 GMC K15/K1500 Suburban 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 K15/K1500 Suburban Engine Blocks?

Advance Auto Parts keeps returns simple. For new GMC K15/K1500 Suburban Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.