1966 Cadillac DeVille Engine Internals
Keep Your 1966 Cadillac DeVille 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 Cadillac DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Rod Bearing Sets, Main Bearings, 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 Cadillac DeVille Engine Internal at Advance Auto Parts is around $155.80, with a range that starts at $30.49 and goes up to $264.99. With 8 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Sealed Power Engine Crankshaft Main Bearing Set, 4419M, Sealed Power Engine Connecting Rod Bearing Set, 8-2120CP, and Sealed Power Engine Connecting Rod Bearing Set, 8-2120CP 10 start at just $179.99 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 Cadillac DeVille in peak condition, inside and out.
Find Your Specific 1966 Cadillac DeVille Engine Internals
Looking for the perfect Engine Internal for your 1966 Cadillac DeVille? You’re in the right place. Below, you’ll find links to various types of Engine Internals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Internals, ensuring durability and a precise fit for your Cadillac DeVille. Whether you’re driving a 1966 model or another popular model year like
1997,
1998,
1999,
2000,
2001,
2002,
2003,
2004, and
2005, we’ve got you covered. Purchasing Engine Internals from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Internals that fit your vehicle.
Essential 1966 Cadillac DeVille Engine Internals
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3345P (Part No.3345P)
from
$19.29
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.
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Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2120CP 30 (Part No.2120CP 30)
from
$30.49
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, 2120CP 10 (Part No.2120CP 10)
from
$30.49
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.
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Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3045A (Part No.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.
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Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3755A (Part No.3755A)
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.
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Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3870RA (Part No.3870RA)
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, 2120CP (Part No.2120CP)
from
$30.49
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, 8-3345P (Part No.8-3345P)
from
$113.99
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, 8-4825A (Part No.8-4825A)
from
$104.99
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, 8-2120CP (Part No.8-2120CP)
from
$179.99
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, 8-3345P 40 (Part No.8-3345P 40)
from
$99.99
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, 8-2120CP 10 (Part No.8-2120CP 10)
from
$179.99
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 (Part No.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 Connecting Rod Bearing Set, 8-3345P 30 (Part No.8-3345P 30)
from
$99.99
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, 7144MA 40 (Part No.7144MA 40)
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 Crankshaft Main Bearing Set, 4906MA (Part No.4906MA)
from
$153.99
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, 4294M 10 (Part No.4294M 10)
from
$96.99
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, 4906MA 10 (Part No.4906MA 10)
from
$141.99
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, 4906MA 30 (Part No.4906MA 30)
from
$129.99
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 Main Bearing Set, 107M 1 (Part No.107M 1)
from
$97.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components
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Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4906MA 20 (Part No.4906MA 20)
from
$129.99
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, 7319MA (Part No.7319MA)
from
$99.99
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, 7256MA (Part No.7256MA)
from
$74.99
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, 7046MA (Part No.7046MA)
from
$68.99
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, 4419M (Part No.4419M)
from
$264.99
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
Popular 1966 Cadillac DeVille Engine Internals Categories
Most Popular Standard Rod Bearing Sets for 1966 Cadillac DeVilles
Enhance your 1966 Cadillac DeVille with one of the 2 Standard Rod Bearing Sets we have in stock, starting at just $179.99.
Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2120CP (Part No.8-2120CP)
from
$179.99
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, 8-2120CP 10 (Part No.8-2120CP 10)
from
$179.99
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 Cadillac DeVille Main Bearing
Upgrade your DeVille with our best-selling Main Bearing.
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4419M (Part No.4419M)
from
$264.99
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
Top-Quality Oversized Main Bearings for 1966 Cadillac DeVilles
Choose a high-quality OEM or aftermarket Oversized Main Bearing for Cadillac DeVilles and enjoy top-notch performance from $264.99.
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4419M 10 (Part No.4419M 10)
from
$264.99
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, 4419M 20 (Part No.4419M 20)
from
$264.99
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
Top Picks for 1966 Cadillac DeVille Standard Individual Rod Bearings
Invest in one of our 3 durable Standard Individual Rod Bearings for your 1966 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2120CP 10 (Part No.2120CP 10)
from
$30.49
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, 2120CP 30 (Part No.2120CP 30)
from
$30.49
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, 2120CP (Part No.2120CP)
from
$30.49
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 Cadillac DeVille Engine Internals
What are the best-selling Engine Internals for 1966 Cadillac DeVilles?
Out of 8 Engine Internals that fit 1966 Cadillac DeVilles, the following parts are the top sellers:
- Sealed Power Engine Crankshaft Main Bearing Set, 4419M (19690521) – $264.99
- Sealed Power Engine Connecting Rod Bearing Set, 8-2120CP (20686512) – $179.99
- Sealed Power Engine Connecting Rod Bearing Set, 8-2120CP 10 (20686513) – $179.99
What’s the price range for 1966 Cadillac DeVille Engine Internals?
The prices of Engine Internals for the 1966 Cadillac DeVille range from $30.49 up to $264.99 for the most premium parts.
What is the average price of an Engine Internal for a 1966 Cadillac DeVille?
The average price for Engine Internals for the 1966 Cadillac DeVille is $155.80. 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 Cadillac DeVille model years?
What are the cheapest Engine Internals for my 1966 Cadillac DeVille?
The cheapest 1966 Cadillac DeVille Engine Internals we carry are:
- Sealed Power Engine Connecting Rod Bearing, 2120CP 10 (19693097) – $30.49
- Sealed Power Engine Connecting Rod Bearing, 2120CP 30 (19693096) – $30.49
- Sealed Power Engine Connecting Rod Bearing, 2120CP (19693098) – $30.49
- Sealed Power Engine Connecting Rod Bearing Set, 8-2120CP (20686512) – $179.99
- Sealed Power Engine Connecting Rod Bearing Set, 8-2120CP 10 (20686513) – $179.99
Does Advance Auto Parts sell Engine Internals for any other 1966 Cadillac models?
Yes. We stock Engine Internals for 3 other popular 1966 Cadillac models. Some of the most popular are 1966 Eldorado Engine Internals, 1966 Fleetwood Engine Internals, 1966 Calais Engine Internals, and 1966 Commercial Chassis Engine Internals.
What types of Engine Internals do you sell for my 1966 Cadillac DeVille?
As of 8/2/26, these are some of the most in-demand types of Engine Internals for a 1966 Cadillac DeVille:
Can I get help with 1966 Cadillac DeVille Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Engine Internals and more.
What is your return policy for Cadillac DeVille Engine Internals?
Advance Auto Parts keeps returns simple. For new Cadillac DeVille Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.