1966 Jeep J-3700 Engine Internals
Keep Your 1966 Jeep J-3700 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 J-3700 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oversized Main Bearings, Standard Individual Rod Bearings, and Standard Rod Bearing Sets. 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 Internals from Trusted Brands
Looking for a reliable Engine Internal? We’ve got you covered with options from brands you know and trust like Sealed Power, National, and FELPRO. For example, Sealed Power Engine Internals start at just $6.79 with an average 4.3 star rating. National and FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 60 reviews and a solid 4 star average, you can shop with confidence knowing other Jeep J-3700 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1966 Jeep J-3700 Engine Internal at Advance Auto Parts is around $51.12, with a range that starts at $6.79 and goes up to $119.99. With 43 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Engine Connecting Rod Bearing Set, Engine Connecting Rod Bearing, and Engine Connecting Rod Bearing start at just $6.79 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 J-3700 in peak condition, inside and out.
Find Your Specific 1966 Jeep J-3700 Engine Internals
Looking for the perfect Engine Internal for your 1966 Jeep J-3700? 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 Jeep J-3700. Whether you’re driving a 1966 model or another popular model year like
1965,
1967,
1968,
1969, and
1970, 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 Jeep J-3700 Engine Internals
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 1)
from
$56.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2500RAA 10)
from
$36.99
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.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 20)
from
$51.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA)
from
$54.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 40)
from
$51.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40612)
from
$26.99
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.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
National – Multi-Purpose Seal (Part No.321460)
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Omix – Crankshaft Oil Seal (Part No.17458.03)
from
$21.79
Tired of looking at the stains on your driveway? Are you repairing or rebuilding your engine? Gaskets are a cheap solution to prevent or stop leaks. Omix-ADA offers high quality replacement gaskets designed specifically for your Jeep.
Product Features:
See More
Product Features:
- 2 Piece Design
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Crown Auto Jeep Replacmnt – OE Replacement (Part No.J3224704)
from
$6.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) 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.
Product Features:
See More
Product Features:
- Leading Manufacturer Of Quality Replacement Parts For Jeep
- Meets Standards For Quality
- Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
- Improve The Performance
- Easy Installation
Sealed Power – Engine Piston Ring Set (Part No.E-251KC)
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.
Product Features:
See More
Product Features:
- Chrome plated ring face
- Increases wear resistance in dirty air conditions
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222K 40)
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.WE-251K)
from
$20.99
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251KC 40)
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.
Product Features:
See More
Product Features:
- Chrome plated ring face
- Increases wear resistance in dirty air conditions
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222X 40)
from
$44.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-288X)
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M)
from
$92.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4418M 10)
from
$103.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4418M)
from
$93.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M 10)
from
$72.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M 30)
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M 20)
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Connecting Rod Bearing (Part No.2500RAA 10)
from
$8.79
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.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 20)
from
$7.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.2500RAA)
from
$9.29
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.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 30)
from
$7.49
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 1)
from
$7.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 10)
from
$7.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA)
from
$6.79
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Popular 1966 Jeep J-3700 Engine Internals Categories
Most Popular Oversized Main Bearings for 1966 Jeep J-3700s
Enhance your 1966 Jeep J-3700 with one of the 5 Oversized Main Bearings we have in stock, starting at just $66.99.
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M)
from
$92.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M 10)
from
$72.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M 20)
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M 30)
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4289M 40)
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Best-Selling 1966 Jeep J-3700 Standard Individual Rod Bearings
Upgrade your J-3700 with one of our 5 best-selling Standard Individual Rod Bearings, earning an average 4 stars rating across 2 reviews.
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA)
from
$6.79
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 10)
from
$7.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 1)
from
$7.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 20)
from
$7.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 30)
from
$7.49
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Top-Quality Standard Rod Bearing Sets for 1966 Jeep J-3700s
Choose a high-quality OEM or aftermarket Standard Rod Bearing Set for Jeep J-3700s and enjoy top-notch performance from $51.99.
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA)
from
$54.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 1)
from
$56.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 40)
from
$51.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 30)
from
$51.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 20)
from
$51.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 10)
from
$51.99
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.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Top Picks for 1966 Jeep J-3700 Crankshaft Seals
Invest in one of our 3 durable Crankshaft Seals for your 1966 Jeep, knowing you’re getting trusted brands and expert craftsmanship.
National – Multi-Purpose Seal (Part No.321460)
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.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40612)
from
$26.99
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.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Crown Auto Jeep Replacmnt – OE Replacement (Part No.J3224704)
from
$6.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) 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.
Product Features:
See More
Product Features:
- Leading Manufacturer Of Quality Replacement Parts For Jeep
- Meets Standards For Quality
- Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
- Improve The Performance
- Easy Installation
Top-Rated Standard Piston Rings for 1966 Jeep J-3700s
Make a smart move for your 1966 Jeep J-3700 with products all priced from $20.99 to $119.99.
Sealed Power – Engine Piston Ring Set (Part No.E-251K 40)
from
$87.99
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251K)
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251K 30)
from
$119.99
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251X)
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251X 60)
from
$60.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251X 30)
from
$61.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251X 40)
from
$56.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222X)
from
$49.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.WE-251K)
from
$20.99
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251KC 30)
from
$95.99
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.
Product Features:
See More
Product Features:
- Chrome plated ring face
- Increases wear resistance in dirty air conditions
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251K 60)
from
$87.99
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251KC)
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.
Product Features:
See More
Product Features:
- Chrome plated ring face
- Increases wear resistance in dirty air conditions
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222K 40)
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222K)
from
$63.99
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251K 20)
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222X 30)
from
$47.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222X 40)
from
$44.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251KC 60)
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.
Product Features:
See More
Product Features:
- Chrome plated ring face
- Increases wear resistance in dirty air conditions
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251KC 40)
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.
Product Features:
See More
Product Features:
- Chrome plated ring face
- Increases wear resistance in dirty air conditions
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251K 10)
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222K 60)
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-222K 30)
from
$61.99
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.
Product Features:
See More
Product Features:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251X 20)
from
$56.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-251X 10)
from
$53.99
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.
Product Features:
See More
Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Top-Rated Engine Internal Brands For Your 1966 Jeep J-3700
When it comes to finding the perfect Engine Internal for your 1966 Jeep J-3700, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Engine Internal brands including FELPRO, Sealed Power, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $6.79. Purchasing a Engine Internal from us here at Advance Auto Parts is a smart move for both you and your 1966 Jeep J-3700, providing peace of mind with parts that meet or exceed OEM standards.
Popular FELPRO 1966 Jeep J-3700 Engine Internals
If you’re looking for a top-quality Engine Internal for your 1966 Jeep J-3700, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Internals. We have 1 FELPRO Engine Internals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $26.99, you’ll find the perfect Engine Internal for your needs and budget. FELPRO Engine Internals for the 1966 Jeep J-3700 come highly rated, with over 23 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Engine Internal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$26.99
(23)
REAR MAIN BEARING SEAL SET
“The gasket is fine, knowing how to use it with minimal sealants is key. Use anaerobic sealant and remember, less is more.”
Top-Quality Sealed Power 1966 Jeep J-3700 Engine Internals
For those in search of a high-quality Engine Internal for their 1966 Jeep J-3700, Advance Auto Parts offers a great selection of Sealed Power Engine Internals. With 3 Sealed Power Engine Internals in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Internals start at just $6.79, with an average price of $34.26, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.3 stars, Sealed Power Engine Internals provide both reliability and excellent performance. Choosing a Sealed Power Engine Internal from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$6.79
(1)
Engine Connecting Rod Bearing
“Some of the bearings had the Babbit worn completely off, everything measure out good in the end, but just disappointed that they were returned. These ”
from
$87.99
(1)
Engine Piston Ring Set
“rebuilding engine restore compression and eliminate oil usage”
FAQs for 1966 Jeep J-3700 Engine Internals
What are the best-selling Engine Internals for 1966 Jeep J-3700s?
Out of 43 Engine Internals that fit 1966 Jeep J-3700s, the following parts are the top sellers:
- Engine Connecting Rod Bearing Set (19693471) – $54.99
- Engine Connecting Rod Bearing (3704785) – $6.79
- Engine Connecting Rod Bearing (3704793) – $7.99
What’s the price range for 1966 Jeep J-3700 Engine Internals?
The prices of Engine Internals for the 1966 Jeep J-3700 range from $6.79 up to $119.99 for the most premium parts.
What is the average price of an Engine Internal for a 1966 Jeep J-3700?
The average price for Engine Internals for the 1966 Jeep J-3700 is $51.12. 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 J-3700 model years?
What are the cheapest Engine Internals for my 1966 Jeep J-3700?
The cheapest 1966 Jeep J-3700 Engine Internals we carry are:
- Engine Connecting Rod Bearing (3704785) – $6.79
- OE Replacement (11900922) – $6.99
- Engine Connecting Rod Bearing (3704815) – $7.49
- Engine Connecting Rod Bearing (3704793) – $7.99
- Engine Connecting Rod Bearing (19692776) – $7.99
Does Advance Auto Parts sell Engine Internals for any other 1966 Jeep models?
Yes. We stock Engine Internals for 27 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 are the top-rated Engine Internals that fit the 1966 Jeep J-3700?
Based on 60 reviews by customers, our 1966 Jeep J-3700 Engine Internals have an average customer rating of 4 stars. These are the highest-rated categories of Engine Internals for the 1966 Jeep J-3700 and their top-rated products:
- Standard Individual Rod Bearings
- Engine Connecting Rod Bearing (3704785) – $6.79
- Engine Connecting Rod Bearing (3704793) – $7.99
- Crankshaft Seals
- Multi-Purpose Seal (18442904) – $13.79
- REAR MAIN BEARING SEAL SET (5991587) – $26.99
What types of Engine Internals do you sell for my 1966 Jeep J-3700?
As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 1966 Jeep J-3700:
Can I get help with 1966 Jeep J-3700 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 J-3700 Engine Internals?
Advance Auto Parts keeps returns simple. For new Jeep J-3700 Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.