GMC Truck Engine Blocks

Your One-Stop Shop For Trusted GMC Truck Engine Blocks

If you’re in search of GMC Truck Engine Blocks aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 6 Engine Blocks from top brands with prices ranging from $14.29 to $34.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Blocks for your GMC Truck. Of the 2 OEM and aftermarket parts brands we carry, some of the most popular are Melling and ARP Auto Racing.

And don’t forget to read customer reviews across all Engine Blocks categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Blocks have to cost top dollar, and we prove it. Browse our top GMC Truck Engine Blocks below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC Truck Engine Blocks

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

Stock Replacement Type Oil Pump Intermediate Shaft

from

$20.99
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

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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Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-54A)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$14.29
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

Melling Select Performnce – Engine Oil Pump Intermediate Shaft (Part No.12550)

Engine Oil Pump Intermediate Shaft

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.

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

ARP Auto Racing – For Use With All Chevy Small Blocks, 8740 Steel, 190000 Psi (Part No.134-7901)

For Use With All Chevy Small Blocks, 8740 Steel, 190000 Psi

from

$18.99
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.

Product Features:
  • Extra Heavy Duty Shaft That Will Provide The Necessary Reliability
  • Enable Shafts To Handle The Added Torque Requirements Of Increased Capacity Oil Pumps Or Heavy Viscosity Lubricants
  • Made From Premium Grade 8740 And Heat Treated To 190,000 Psi
  • Alignment Sleeve Is Roll Formed Onto The Shaft (Not Welded Or Pinned), Enabling The Sleeve To Float, Allowing For Slight Misalignment
  • Black Oxide
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Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-70E)

Stock Replacement Type Oil Pump Intermediate Shaft

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.

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

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

Stock Replacement Type Oil Pump Intermediate Shaft

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

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

Engine Blocks Brands You Can Trust For Your GMC Truck

2 trusted brands of Engine Blocks line our shelves, ready to help keep your GMC Truck running smooth. Below are some of the most popular brands and their top Engine Blocks offerings:

Popular Melling Engine Blocks

Melling products for the GMC Truck span several categories. Some of the highest-rated Melling Engine Blocks that will fit your GMC Truck are:
Stock Replacement Type Oil Pump Intermediate Shaft
from $20.99
(7)
Stock Replacement Type Oil Pump Intermediate Shaft
Oil Pump Shafts

Most Purchased GMC Truck Engine Blocks from Melling

When you buy the most frequently purchased Melling brand Engine Blocks, you can be confident it will be the right part for your GMC Truck. Here are the Melling Engine Blocks Advanced Auto customers buy the most:
Stock Replacement Type Oil Pump Intermediate Shaft
from $20.99
(7)
Stock Replacement Type Oil Pump Intermediate Shaft
Oil Pump Shafts
Stock Replacement Type Oil Pump Intermediate Shaft
from $17.79
This product is not rated
Stock Replacement Type Oil Pump Intermediate Shaft
Oil Pump Shafts
Stock Replacement Type Oil Pump Intermediate Shaft
from $14.29
This product is not rated
Stock Replacement Type Oil Pump Intermediate Shaft
Oil Pump Shafts