1966 International M800 Engine Internals
Keep Your 1966 International M800 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 International M800 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oversized Individual Rod Bearing, Standard Piston Rings, and Crankshaft Seals. 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 International M800 Engine Internal at Advance Auto Parts is around $66.40, with a range that starts at $17.29 and goes up to $172.99. With 8 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Felpro Engine Crankshaft Seal Kit, BS 5115, Sealed Power Engine Crankshaft Main Bearing Set, 4070M, and Sealed Power Engine Piston Ring Set, E-135X start at just $34.99 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 Camshafts and Engine Gaskets and Seals. At Advance Auto Parts, we’re here to help you keep your 1966 International M800 in peak condition, inside and out.
Find Your Specific 1966 International M800 Engine Internals
Looking for the perfect Engine Internal for your 1966 International M800? 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 International M800. Whether you’re driving a 1966 model or another popular model year like
1965,
1967,
1968,
1969,
1970, and
1971, 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 International M800 Engine Internals
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 3310CPA 1 (Part No.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 Connecting Rod Bearing, 1575CPA 20 (Part No.1575CPA 20)
from
$17.29
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 Crankshaft Main Bearing Set, 4070M 10 (Part No.4070M 10)
from
$75.99
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, 4289M (Part No.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, 4289M 30 (Part No.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, 4289M 10 (Part No.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, 935M (Part No.935M)
from
$172.99
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, 4070M (Part No.4070M)
from
$89.99
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
Felpro – Felpro Engine Crankshaft Seal Kit, BS 5115 (Part No.BS 5115)
from
$34.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
National – National Engine Crankshaft Seal, 7581H (Part No.7581H)
from
$26.49
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.
See More
Victor Reinz – Victor Reinz Engine Crankshaft Seal Kit, 19-10063-01 (Part No.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.
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National – National Multi-Purpose Seal, 473231 (Part No.473231)
from
$9.99
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, 19-10043-01 (Part No.19-10043-01)
from
$70.99
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 Piston Ring Set, E-270X (Part No.E-270X)
from
$64.99
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-270K (Part No.E-270K)
from
$97.99
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-135X (Part No.E-135X)
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 Piston Ring Set, E-222K 60 (Part No.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)
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-222K (Part No.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-222X (Part No.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
Popular 1966 International M800 Engine Internals Categories
Most Popular Oversized Individual Rod Bearing for 1966 International M800s
Enhance your 1966 International M800 with this popular Oversized Individual Rod Bearing we have in stock, for $17.29.
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 1575CPA 20 (Part No.1575CPA 20)
from
$17.29
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
Best-Selling 1966 International M800 Standard Piston Ring
Upgrade your M800 with our best-selling Standard Piston Ring.
Sealed Power – Sealed Power Engine Piston Ring Set, E-135X (Part No.E-135X)
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
Top-Quality Crankshaft Seals for 1966 International M800s
Choose a high-quality OEM or aftermarket Crankshaft Seal for International M800s and enjoy top-notch performance from $26.49.
Felpro – Felpro Engine Crankshaft Seal Kit, BS 5115 (Part No.BS 5115)
from
$34.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Victor Reinz – Victor Reinz Engine Crankshaft Seal Kit, 19-10043-01 (Part No.19-10043-01)
from
$70.99
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 Engine Crankshaft Seal, 7581H (Part No.7581H)
from
$26.49
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.
See More
Top Picks for 1966 International M800 Oversized Main Bearings
Invest in one of our 3 durable Oversized Main Bearings for your 1966 International, knowing you’re getting trusted brands and expert craftsmanship.
Sealed Power – Sealed Power Engine Crankshaft Main Bearing Set, 4070M (Part No.4070M)
from
$89.99
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, 935M (Part No.935M)
from
$172.99
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, 4070M 10 (Part No.4070M 10)
from
$75.99
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
FAQs for 1966 International M800 Engine Internals
What are the best-selling Engine Internals for 1966 International M800s?
Out of 8 Engine Internals that fit 1966 International M800s, the following parts are the top sellers:
- Felpro Engine Crankshaft Seal Kit, BS 5115 (3502724) – $34.99
- Sealed Power Engine Crankshaft Main Bearing Set, 4070M (3701824) – $89.99
- Sealed Power Engine Piston Ring Set, E-135X (19692454) – $69.99
What’s the price range for 1966 International M800 Engine Internals?
The prices of Engine Internals for the 1966 International M800 range from $17.29 up to $172.99 for the most premium parts.
What is the average price of an Engine Internal for a 1966 International M800?
The average price for Engine Internals for the 1966 International M800 is $66.40. 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 International M800 model years?
What are the cheapest Engine Internals for my 1966 International M800?
The cheapest 1966 International M800 Engine Internals we carry are:
- Sealed Power Engine Connecting Rod Bearing, 1575CPA 20 (19693235) – $17.29
- National Engine Crankshaft Seal, 7581H (18444973) – $26.49
- Felpro Engine Crankshaft Seal Kit, BS 5115 (3502724) – $34.99
- Sealed Power Engine Piston Ring Set, E-135X (19692454) – $69.99
- Victor Reinz Engine Crankshaft Seal Kit, 19-10043-01 (50313230) – $70.99
Does Advance Auto Parts sell Engine Internals for any other 1966 International models?
Yes. We stock Engine Internals for 10 other popular 1966 International models. Some of the most popular are 1966 Scout Engine Internals, 1966 M1100 Engine Internals, 1966 M1200 Engine Internals, 1966 M1400 Engine Internals, and 1966 1000A Engine Internals.
What types of Engine Internals do you sell for my 1966 International M800?
As of 8/2/26, these are some of the most in-demand types of Engine Internals for a 1966 International M800:
Can I get help with 1966 International M800 Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about International Engine Internals and more.
What is your return policy for International M800 Engine Internals?
Advance Auto Parts keeps returns simple. For new International M800 Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.