1966 Jeep CJ3 Engine Parts

Essential 1966 Jeep CJ3 Engine Parts

Cloyes Gear – Engine Timing Chain (Part No.C359)

Engine Timing Chain

from

$15.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
See More

Felpro – Engine Oil Pump Gasket (Part No.70032)

Engine Oil Pump Gasket

from

$3.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Felpro – Engine Push Rod Gasket Set (Part No.PS 4352 C)

Engine Push Rod Gasket Set

from

$10.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40613)

Engine Crankshaft Seal Kit

from

$16.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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
See More

Omix – Crankshaft Gear (Part No.17455.02)

Crankshaft Gear

from

$66.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Metal
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Felpro – Engine Gasket Set (Part No.FS 7543 SBX)

Engine Gasket Set

from

$69.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Full Sets contain all the gaskets and seals necessary for a complete engine overhaul
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 7543 SBX)

Cylinder Head Gasket Set

from

$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Engineered and manufactured specifically for the repair environment
  • Contains all the parts needed to complete the repair unless otherwise noted
  • Contains all the parts needed to complete the repair unless otherwise noted
See More

Omix – Valve Lifter (Part No.17418.01)

Valve Lifter

from

$17.79
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Metal
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K-20I)

Stock Replacement Type Oil Pump Repair Kit

from

$32.49
Melling oil pump repair kits are provided to supply the parts needed to rebuild a specific individual oil pump. Melling kits include all the required parts needed for a quality oil pump rebuild. Although Melling recommends the installation of a new oil pump, Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover.

Product Features:
  • Includes components needed to rebuild a worn oil pump providing an alternative to purchasing a new oil pump
  • Components are manufactured from high quality materials for durable wear
  • Components are precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
See More

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Part No.362518.1)

Steel Cup Expansion Plug 1-9/16 In., Height 0.380

from

$2.29
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Felpro – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 2 Piece Set (Part No.OS 4350 AD)

Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 2 Piece Set

from

$13.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
See More

Melling – Stock Replacement OE Type Oil Pump (Part No.M-53)

Stock Replacement OE Type Oil Pump

from

$258.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality
See More

Cloyes Gear – Engine Timing Set (Part No.C-3003K)

Engine Timing Set

from

$29.99
Timing Set includes all components for a quick and efficient replacement

Product Features:
  • Utilizes the latest in design and technology to offer complete chain sets
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Utilizes the latest in design and technology to offer complete chain sets
  • Refer to our online catalog for detailed application-specific information
  • Set Includes: Cam Sprocket, Crankshaft Sprocket, Timing Chain
See More

Dorman – Steel Cup Expansion Plug 1-1/4 In., SC, Height 0.300 (sold by each) (Part No.555-024)

Steel Cup Expansion Plug 1-1/4 In., SC, Height 0.300 (sold by each)

from

$1.29
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

MAHLE Original – Fuel Pump Gasket (Part No.D27094)

Fuel Pump Gasket

from

$1.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
See More

Omix – Engine Gasket Set (Part No.17441.12)

Engine Gasket Set

from

$176.99
Are your Jeep’s engine gaskets leaking? Or, are you rebuilding an engine and need fresh gaskets? Omix-ADA offers high-quality replacement gaskets that will give you years of service and get you back on the road.

Product Features:
  • Full Upper Gasket Set
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Cloyes Gear – Engine Timing Camshaft Gear (Part No.2900)

Engine Timing Camshaft Gear

from

$77.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

Omix – Crankshaft Oil Seal (Part No.17459.01)

Crankshaft Oil Seal

from

$4.49
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:
  • Rubber
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Cloyes Gear – Engine Timing Damper (Part No.9-5045)

Engine Timing Damper

from

$11.29
A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain. Please refer to our online catalog for detailed application-specific information

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Meet or exceed OEM performance requirements
  • Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
See More

Felpro – Engine Valve Cover Gasket Set (Part No.VS 13160 C)

Engine Valve Cover Gasket Set

from

$27.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
See More

Dorman – Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (sold by each) (Part No.570-009)

Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)

from

$8.49
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

National – Shaft Repair Sleeve (Part No.99112)

Shaft Repair Sleeve

from

$36.99
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.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8723 PT-1)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$25.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
See More

Melling – Oil Pump Thrust Plate Kit (Part No.P-20I)

Oil Pump Thrust Plate Kit

from

$43.49
The Melling gear thrust plate kit provides a new wearing surface for Buick oil pump kits. The Melling kit typically includes a cast iron thrust place, mounting gasket, the correct length screws plus a detailed instruction sheet. A Melling gear thrust plate kit is recommended to assure correct specifications and a new surface for the oil pump gears. Assure the best Buick pump performance with a Melling gear thrust plate kit.

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

Felpro – Engine Timing Cover Gasket Set (Part No.TCS 4351-1)

Engine Timing Cover Gasket Set

from

$24.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Imperial – Ultra-Cool Engine Oil Cooler Kit (Part No.240457)

Ultra-Cool Engine Oil Cooler Kit

from

$167.99
Product Features:
  • Size: 3/4 in. x 10 in. x 12-1/4 in.
  • Medium duty applications
  • All except Chevrolet V8 applications
  • Two-pass design for increased cooling
See More

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

from

$0.43
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Omix – Piston Ring Set (Part No.17430.02)

Piston Ring Set

from

$67.99
Are you rebuilding an engine and need a fresh set of piston rings? Omix-ADA offers high-quality replacement piston ring sets from Standard to .080 thousandths over size. They will give you years of service and get you back on the road.

Product Features:
  • .020 Over
  • Engine Work May Be Required To Install This Part
  • Limited 5 Year Warranty
See More

1966 Jeep CJ3 Engine Parts

You count on your 1966 Jeep CJ3 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 74 Engine Parts ranging in price from $0.43 to $258.99, you’re sure to find everything you need for your 1966 Jeep CJ3.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 12 different brands like Sealed Power, Felpro, and Dorman. 1966 Jeep CJ3 Engine Parts start as low as $0.43!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 24 extensive product reviews on 1966 Jeep CJ3 Engine Parts. Some of the top-rated Engine Parts products we carry are Econo-Kool® Engine Oil Cooler with 4.7 stars and Ultra-Cool Engine Oil Cooler Kit with 5.0 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 1966 Jeep CJ3 below to get started!

Top-Rated Engine Parts Brands For Your 1966 Jeep CJ3

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1966 Jeep CJ3 running right for years to come. In our inventory you’ll find brands like Sealed Power, Felpro, Dorman, and even more.

Popular Dorman – Pik-a-Nut Engine Parts

You’ll find popular Dorman – Pik-a-Nut brand products across Freeze and Expansion Plugs. All are waiting to get your 1966 Jeep CJ3 back on the road. Some of the top-rated Dorman – Pik-a-Nut products in these categories are:
Steel Cup Expansion Plug 1-9/16 In., Height 0.380
from $2.29
(1)
Steel Cup Expansion Plug 1-9/16 In., Height 0.380
Expansion Plugs

Top-Rated Felpro Engine Parts


If Felpro are what you’re looking for, our inventory holds plenty. We stock Felpro brand Engine Parts for your 1966 Jeep CJ3, and some of our most reviewed Felpro parts include:
Rear Main Seal Set
from $9.49
(3)
Rear Main Seal Set
Rear Main Seal Sets
Engine Timing Cover Gasket Set
from $16.29
(1)
Engine Timing Cover Gasket Set
Timing Cover Gasket Sets

FAQs for 1966 Jeep CJ3 Engine Parts

What are the most purchased Engine Parts for the 1966 Jeep CJ3?

Out of 74 Engine Parts for the 1966 Jeep CJ3, the most popular in our inventory are:
Engine Valve Lifter
from $10.29
(1)
Engine Valve Lifter
Engine Valve Lifters
Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)
from $8.49
This product is not rated
Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (sold by each)
Rocker Arm Shaft Plugs
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
Engine Valve Locks

What are the top-rated 1966 Jeep CJ3 Engine Parts?

Top-rated Engine Parts for your 1966 Jeep CJ3 based on customer reviews/ratings are:
Econo-Kool® Engine Oil Cooler
from $141.99
(3)
Econo-Kool® Engine Oil Cooler
“Good price perfect fit had all the parts I needed good quality”
Ultra-Cool Engine Oil Cooler Kit
from $167.99
(1)
Ultra-Cool Engine Oil Cooler Kit
“Purchased for a 2005 Yukon XL Denali. Exceeded expectations for an aftermarket product”
Shaft Repair Sleeve
from $45.49
(1)
Shaft Repair Sleeve
“To use this sleeve on a torque converter, the supplied tool isn’t long enough. However a piece of PVC pipe can work. (normally this is used on a harmo”