1966 Pontiac Catalina Engine Internals

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Keep Your 1966 Pontiac Catalina in Top Shape with Quality Engine Internals

Whether you’re repairing or upgrading your Engine Internal, using high-quality parts is key to keeping your 1966 Pontiac Catalina looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Rod Bearing Sets, Oversized Individual Rod Bearing, and Oversized Main Bearings. 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.

Competitive Prices and Extensive Inventory

The average price for a 1966 Pontiac Catalina Engine Internal at Advance Auto Parts is around $103.73, with a range that starts at $14.79 and goes up to $178.99. With 13 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA 20, Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA, and Sealed Power Engine Crankshaft Main Bearing Set, 4040M 10 start at just $69.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Internal, 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 1966 Pontiac Catalina in peak condition, inside and out.

Essential 1966 Pontiac Catalina Engine Internals

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA (Part No.8-1555CPA)

Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA

from

$73.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2500RAA 10 (Part No.8-2500RAA 10)

Sealed Power Engine Connecting Rod Bearing Set, 8-2500RAA 10

from

$38.99
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2555A (Part No.8-2555A)

Sealed Power Engine Connecting Rod Bearing Set, 8-2555A

from

$83.99
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 6-3755A (Part No.6-3755A)

Sealed Power Engine Connecting Rod Bearing Set, 6-3755A

from

$43.99
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

Sealed Power – Sealed Power Engine Piston Ring Set, E-251X 20 (Part No.E-251X 20)

Sealed Power Engine Piston Ring Set, E-251X 20

from

$59.99
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

Sealed Power – Sealed Power Engine Piston Ring Set, E-251K 60 (Part No.E-251K 60)

Sealed Power Engine Piston Ring Set, E-251K 60

from

$91.99
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

Sealed Power – Sealed Power Engine Piston Ring Set, E-288K 30 (Part No.E-288K 30)

Sealed Power Engine Piston Ring Set, E-288K 30

from

$85.99
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

Sealed Power – Sealed Power Engine Piston Ring Set, WE-251K (Part No.WE-251K)

Sealed Power Engine Piston Ring Set, WE-251K

from

$22.49
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3045A (Part No.3045A)

Sealed Power Engine Connecting Rod Bearing, 3045A

from

$10.79
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555CP 1 (Part No.2555CP 1)

Sealed Power Engine Connecting Rod Bearing, 2555CP 1

from

$6.59
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555CP (Part No.2555CP)

Sealed Power Engine Connecting Rod Bearing, 2555CP

from

$8.89
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555A 1 (Part No.2555A 1)

Sealed Power Engine Connecting Rod Bearing, 2555A 1

from

$7.59
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

Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4663MA 60 (Part No.4663MA 60)

Sealed Power Engine Crankshaft Main Bearing Set, 4663MA 60

from

$58.99
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

Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4663M 40 (Part No.4663M 40)

Sealed Power Engine Crankshaft Main Bearing Set, 4663M 40

from

$58.99
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

Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4040M 30 (Part No.4040M 30)

Sealed Power Engine Crankshaft Main Bearing Set, 4040M 30

from

$178.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 7274MA 10X20 (Part No.7274MA 10X20)

Sealed Power Engine Crankshaft Main Bearing Set, 7274MA 10X20

from

$75.99
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555CP 20 (Part No.2555CP 20)

Sealed Power Engine Connecting Rod Bearing, 2555CP 20

from

$6.59
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555A 30 (Part No.2555A 30)

Sealed Power Engine Connecting Rod Bearing, 2555A 30

from

$7.59
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555CP 30 (Part No.2555CP 30)

Sealed Power Engine Connecting Rod Bearing, 2555CP 30

from

$6.29
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2500RAA 10 (Part No.2500RAA 10)

Sealed Power Engine Connecting Rod Bearing, 2500RAA 10

from

$9.19
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

Sealed Power – Sealed Power Engine Piston Ring Set, E-232K 60 (Part No.E-232K 60)

Sealed Power Engine Piston Ring Set, E-232K 60

from

$114.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Sealed Power – Sealed Power Engine Piston Ring Set, E-240K 30 (Part No.E-240K 30)

Sealed Power Engine Piston Ring Set, E-240K 30

from

$107.99
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

Sealed Power – Sealed Power Engine Piston Ring Set, E-232K 40 (Part No.E-232K 40)

Sealed Power Engine Piston Ring Set, E-232K 40

from

$121.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Sealed Power – Sealed Power Engine Piston Ring Set, E-356K 20 (Part No.E-356K 20)

Sealed Power Engine Piston Ring Set, E-356K 20

from

$71.99
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2555A 60 (Part No.8-2555A 60)

Sealed Power Engine Connecting Rod Bearing Set, 8-2555A 60

from

$151.99
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA 20 (Part No.8-1555CPA 20)

Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA 20

from

$69.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 6-3755A 30 (Part No.6-3755A 30)

Sealed Power Engine Connecting Rod Bearing Set, 6-3755A 30

from

$40.49
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

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2555A 20X2 (Part No.8-2555A 20X2)

Sealed Power Engine Connecting Rod Bearing Set, 8-2555A 20X2

from

$78.99
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

Most Popular Standard Rod Bearing Sets for 1966 Pontiac Catalinas

Enhance your 1966 Pontiac Catalina with one of the 2 Standard Rod Bearing Sets we have in stock, starting at just $73.99.

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA (Part No.8-1555CPA)

Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA

from

$73.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA 10 (Part No.8-1555CPA 10)

Sealed Power Engine Connecting Rod Bearing Set, 8-1555CPA 10

from

$73.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Best-Selling 1966 Pontiac Catalina Oversized Individual Rod Bearing

Upgrade your Catalina with our best-selling Oversized Individual Rod Bearing.

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 1555CPA 20 (Part No.1555CPA 20)

Sealed Power Engine Connecting Rod Bearing, 1555CPA 20

from

$14.79
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Top-Quality Oversized Main Bearings for 1966 Pontiac Catalinas

Choose a high-quality OEM or aftermarket Oversized Main Bearing for Pontiac Catalinas and enjoy top-notch performance from $178.99.

Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4040M 10 (Part No.4040M 10)

Sealed Power Engine Crankshaft Main Bearing Set, 4040M 10

from

$178.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4040M 30 (Part No.4040M 30)

Sealed Power Engine Crankshaft Main Bearing Set, 4040M 30

from

$178.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Our Top Pick for a 1966 Pontiac Catalina Standard Piston Ring

Invest in a durable Standard Piston Ring for your 1966 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.

Sealed Power – Sealed Power Engine Piston Ring Set, E-232K (Part No.E-232K)

Sealed Power Engine Piston Ring Set, E-232K

from

$121.99
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Standard Individual Rod Bearings for 1966 Pontiac Catalinas

Make a smart move for your 1966 Pontiac Catalina with products all priced from $14.79 to $15.29.

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 1555CPA (Part No.1555CPA)

Sealed Power Engine Connecting Rod Bearing, 1555CPA

from

$15.29
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Sealed Power – Sealed Power Engine Connecting Rod Bearing, 1555CPA 10 (Part No.1555CPA 10)

Sealed Power Engine Connecting Rod Bearing, 1555CPA 10

from

$14.79
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

FAQs for 1966 Pontiac Catalina Engine Internals

What are the best-selling Engine Internals for 1966 Pontiac Catalinas?

Out of 13 Engine Internals that fit 1966 Pontiac Catalinas, the following parts are the top sellers:

What’s the price range for 1966 Pontiac Catalina Engine Internals?

The prices of Engine Internals for the 1966 Pontiac Catalina range from $14.79 up to $178.99 for the most premium parts.

What is the average price of an Engine Internal for a 1966 Pontiac Catalina?

The average price for Engine Internals for the 1966 Pontiac Catalina is $103.73. Keep in mind the variety of part types within our Engine Internal 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 Internals for other Pontiac Catalina model years?

Yes, we carry Engine Internals for 22 model years of Pontiac Catalinas between 1955 and 1981. The following model years are the most popular for Engine Internal purchases: 1981, 1980, 1979, 1978, 1977, 1976, 1975, 1974, and 1973.

What are the cheapest Engine Internals for my 1966 Pontiac Catalina?

Does Advance Auto Parts sell Engine Internals for any other 1966 Pontiac models?

Yes. We stock Engine Internals for 5 other popular 1966 Pontiac models. Some of the most popular are 1966 Grand Prix Engine Internals, 1966 Bonneville Engine Internals, 1966 LeMans Engine Internals, 1966 GTO Engine Internals, and 1966 Tempest Engine Internals.

What types of Engine Internals do you sell for my 1966 Pontiac Catalina?

As of 8/2/26, these are some of the most in-demand types of Engine Internals for a 1966 Pontiac Catalina:

Can I get help with 1966 Pontiac Catalina Engine Internal orders?

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

What is your return policy for Pontiac Catalina Engine Internals?

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