1966 Jeep CJ6 Engine Internals

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Keep Your 1966 Jeep CJ6 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 Jeep CJ6 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oversized Main Bearings, Crankshaft Seals, and Standard Individual Rod 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 Jeep CJ6 Engine Internal at Advance Auto Parts is around $48.96, with a range that starts at $9.19 and goes up to $67.99. With 14 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Sealed Power Engine Piston Ring Set, E-222X, Sealed Power Engine Piston Ring Set, E-222K, and Sealed Power Engine Piston Ring Set, E-222K 40 start at just $52.99 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 Jeep CJ6 in peak condition, inside and out.

Essential 1966 Jeep CJ6 Engine Internals

Sealed Power – Sealed Power Engine Piston Ring Set, E-104KC (Part No.E-104KC)

Sealed Power Engine Piston Ring Set, E-104KC

from

$63.99
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-222K (Part No.E-222K)

Sealed Power Engine Piston Ring Set, E-222K

from

$66.99
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-240X (Part No.E-240X)

Sealed Power Engine Piston Ring Set, E-240X

from

$66.99
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-222K 60 (Part No.E-222K 60)

Sealed Power Engine Piston Ring Set, E-222K 60

from

$67.99
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

Victor Reinz – Victor Reinz Engine Crankshaft Seal Kit, 19-10022-01 (Part No.19-10022-01)

Victor Reinz Engine Crankshaft Seal Kit, 19-10022-01

from

$62.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More

National – National Multi-Purpose Seal, 472397 (Part No.472397)

National Multi-Purpose Seal, 472397

from

$10.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
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National – National Engine Crankshaft Seal, 710447 (Part No.710447)

National Engine Crankshaft Seal, 710447

from

$13.79
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
See More

Victor Reinz – Victor Reinz Engine Crankshaft Seal Kit, 19-10063-01 (Part No.19-10063-01)

Victor Reinz Engine Crankshaft Seal Kit, 19-10063-01

from

$18.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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 Connecting Rod Bearing, 3310CPA 1 (Part No.3310CPA 1)

Sealed Power Engine Connecting Rod Bearing, 3310CPA 1

from

$8.39
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-222K 40 (Part No.E-222K 40)

Sealed Power Engine Piston Ring Set, E-222K 40

from

$67.99
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-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-240K 40 (Part No.E-240K 40)

Sealed Power Engine Piston Ring Set, E-240K 40

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 Piston Ring Set, E-222X 40 (Part No.E-222X 40)

Sealed Power Engine Piston Ring Set, E-222X 40

from

$47.49
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, 3310CPA 20 (Part No.3310CPA 20)

Sealed Power Engine Connecting Rod Bearing, 3310CPA 20

from

$8.39
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, 3310CPA (Part No.3310CPA)

Sealed Power Engine Connecting Rod Bearing, 3310CPA

from

$8.39
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, 3310CPA 10 (Part No.3310CPA 10)

Sealed Power Engine Connecting Rod Bearing, 3310CPA 10

from

$8.39
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 (Part No.2500RAA)

Sealed Power Engine Connecting Rod Bearing, 2500RAA

from

$9.69
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, 3310CPA 30 (Part No.3310CPA 30)

Sealed Power Engine Connecting Rod Bearing, 3310CPA 30

from

$7.89
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 Crankshaft Main Bearing Set, 7144MA 40 (Part No.7144MA 40)

Sealed Power Engine Crankshaft Main Bearing Set, 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, 4289M (Part No.4289M)

Sealed Power Engine Crankshaft Main Bearing Set, 4289M

from

$97.99
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, 5037M 30 (Part No.5037M 30)

Sealed Power Engine Crankshaft Main Bearing Set, 5037M 30

from

$86.99
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, 5037M 10 (Part No.5037M 10)

Sealed Power Engine Crankshaft Main Bearing Set, 5037M 10

from

$86.99
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, 4289M 30 (Part No.4289M 30)

Sealed Power Engine Crankshaft Main Bearing Set, 4289M 30

from

$69.99
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 (Part No.7144MA)

Sealed Power Engine Crankshaft Main Bearing Set, 7144MA

from

$62.99
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, 4289M 10 (Part No.4289M 10)

Sealed Power Engine Crankshaft Main Bearing Set, 4289M 10

from

$76.99
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, 5037M 20 (Part No.5037M 20)

Sealed Power Engine Crankshaft Main Bearing Set, 5037M 20

from

$90.99
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 30 (Part No.7144MA 30)

Sealed Power Engine Crankshaft Main Bearing Set, 7144MA 30

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

Most Popular Oversized Main Bearings for 1966 Jeep CJ6s

Enhance your 1966 Jeep CJ6 with one of the 3 Oversized Main Bearings we have in stock, starting at just $59.99.

Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 7144MA (Part No.7144MA)

Sealed Power Engine Crankshaft Main Bearing Set, 7144MA

from

$62.99
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)

Sealed Power Engine Crankshaft Main Bearing Set, 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, 7144MA 30 (Part No.7144MA 30)

Sealed Power Engine Crankshaft Main Bearing Set, 7144MA 30

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

Best-Selling 1966 Jeep CJ6 Crankshaft Seals

Upgrade your CJ6 with one of our 2 best-selling Crankshaft Seals.

Victor Reinz – Victor Reinz Engine Crankshaft Seal Kit, 19-10022-01 (Part No.19-10022-01)

Victor Reinz Engine Crankshaft Seal Kit, 19-10022-01

from

$62.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More

Crown Auto Jeep Replacmnt – Crown Auto Jeep Replacmnt Engine Component for AMC 3.8L / 4.0L / 4.2L (2-Piece Rubber), 4778126 (Part No.4778126)

Crown Auto Jeep Replacmnt Engine Component for AMC 3.8L / 4.0L / 4.2L (2-Piece Rubber), 4778126

from

$18.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep vehicles. Crown has the largest stock of replacement parts for Jeep vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.
See More

Top-Quality Standard Individual Rod Bearings for 1966 Jeep CJ6s

Choose a high-quality OEM or aftermarket Standard Individual Rod Bearing for Jeep CJ6s and enjoy top-notch performance from $9.69.

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

Sealed Power Engine Connecting Rod Bearing, 2500RAA

from

$9.69
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 Picks for 1966 Jeep CJ6 Standard Piston Rings

Invest in one of our 5 durable Standard Piston Rings for your 1966 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

Sealed Power – Sealed Power Engine Piston Ring Set, E-222X (Part No.E-222X)

Sealed Power Engine Piston Ring Set, E-222X

from

$52.99
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-222K (Part No.E-222K)

Sealed Power Engine Piston Ring Set, E-222K

from

$66.99
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-222K 60 (Part No.E-222K 60)

Sealed Power Engine Piston Ring Set, E-222K 60

from

$67.99
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-222K 30 (Part No.E-222K 30)

Sealed Power Engine Piston Ring Set, E-222K 30

from

$64.99
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-104KC (Part No.E-104KC)

Sealed Power Engine Piston Ring Set, E-104KC

from

$63.99
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 Oversized Individual Rod Bearing for 1966 Jeep CJ6s

Make a smart move for your 1966 Jeep CJ6 with our Oversized Individual Rod Bearing for $9.19.

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

FAQs for 1966 Jeep CJ6 Engine Internals

What are the best-selling Engine Internals for 1966 Jeep CJ6s?

Out of 14 Engine Internals that fit 1966 Jeep CJ6s, the following parts are the top sellers:

What’s the price range for 1966 Jeep CJ6 Engine Internals?

The prices of Engine Internals for the 1966 Jeep CJ6 range from $9.19 up to $67.99 for the most premium parts.

What is the average price of an Engine Internal for a 1966 Jeep CJ6?

The average price for Engine Internals for the 1966 Jeep CJ6 is $48.96. 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 Jeep CJ6 model years?

Yes, we carry Engine Internals for 15 model years of Jeep CJ6s between 1959 and 1975. The following model years are the most popular for Engine Internal purchases: 1975, 1974, 1973, 1972, 1971, 1970, 1969, 1968, and 1967.

What are the cheapest Engine Internals for my 1966 Jeep CJ6?

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

Yes. We stock Engine Internals for 26 other popular 1966 Jeep models. Some of the most popular are 1966 Wagoneer Engine Internals, 1966 CJ5 Engine Internals, 1966 DJ5 Engine Internals, 1966 J-2600 Engine Internals, and 1966 J-2500 Engine Internals.

What types of Engine Internals do you sell for my 1966 Jeep CJ6?

As of 8/2/26, these are some of the most in-demand types of Engine Internals for a 1966 Jeep CJ6:

Can I get help with 1966 Jeep CJ6 Engine Internal orders?

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

What is your return policy for Jeep CJ6 Engine Internals?

Advance Auto Parts keeps returns simple. For new Jeep CJ6 Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.