1968 Pontiac GTO Engine Blocks

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Keep Your 1968 Pontiac GTO 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 1968 Pontiac GTO 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 Carquest Premium. For example, Carquest Premium Engine Blocks start at just $6.99 with an average 4.5 star rating. With over 15 reviews and a solid 5.0 star average, you can shop with confidence knowing other Pontiac GTO owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1968 Pontiac GTO Engine Block at Advance Auto Parts is around $10.74, with a range that starts at $6.99 and goes up to $14.49. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-54A start at just $14.49 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 1968 Pontiac GTO in peak condition, inside and out.

Essential 1968 Pontiac GTO Engine Blocks

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

Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-54A

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

Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 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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Most Popular Oil Cap for 1968 Pontiac GTOs

Enhance your 1968 Pontiac GTO with this popular Oil Cap we have in stock, for $6.99.

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.
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Best-Selling 1968 Pontiac GTO Oil Pump Shaft

Upgrade your GTO with our best-selling Oil Pump Shaft.

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

Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-54A

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

Top-Rated Engine Block Brands For Your 1968 Pontiac GTO

When it comes to finding the perfect Engine Block for your 1968 Pontiac GTO, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Engine Block brands including Carquest Premium, 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 1968 Pontiac GTO, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 1968 Pontiac GTO Engine Blocks

If you’re looking for a top-quality Engine Block for your 1968 Pontiac GTO, 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 1968 Pontiac GTO come highly rated, with over 15 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.
Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10066
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.”

FAQs for 1968 Pontiac GTO Engine Blocks

What are the best-selling Engine Blocks for 1968 Pontiac GTOs?

Out of 2 Engine Blocks that fit 1968 Pontiac GTOs, the following parts are the top sellers:

What’s the price range for 1968 Pontiac GTO Engine Blocks?

The prices of Engine Blocks for the 1968 Pontiac GTO range from $6.99 up to $14.49 for the most premium parts.

What is the average price of an Engine Block for a 1968 Pontiac GTO?

The average price for Engine Blocks for the 1968 Pontiac GTO is $10.74. 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 Pontiac GTO model years?

Yes, we carry Engine Blocks for 11 model years of Pontiac GTOs between 1964 and 2006. The following model years are the most popular for Engine Block purchases: 2006, 2005, 2004, 1973, 1972, 1971, 1970, 1969, and 1967.

What are the cheapest Engine Blocks for my 1968 Pontiac GTO?

Does Advance Auto Parts sell Engine Blocks for any other 1968 Pontiac models?

Yes. We stock Engine Blocks for 6 other popular 1968 Pontiac models. Some of the most popular are 1968 Grand Prix Engine Blocks, 1968 Bonneville Engine Blocks, 1968 Firebird Engine Blocks, 1968 LeMans Engine Blocks, and 1968 Catalina Engine Blocks.

What are the top-rated Engine Blocks that fit the 1968 Pontiac GTO?

The one 1968 Pontiac GTO Engine Block we have in stock is the Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10066. It is rated 5 stars and costs $6.99.

What types of Engine Blocks do you sell for my 1968 Pontiac GTO?

As of 8/2/26, these are some of the most in-demand types of Engine Blocks for a 1968 Pontiac GTO:

Can I get help with 1968 Pontiac GTO Engine Block orders?

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

What is your return policy for Pontiac GTO Engine Blocks?

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