1978 Jeep J20 Engine Parts

Essential 1978 Jeep J20 Engine Parts

Omix – Camshaft Bearing (Part No.17422.03)

Camshaft Bearing

from

$51.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Standard
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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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
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Omix – Oil Pan Gasket (Part No.17439.05)

Oil Pan Gasket

from

$13.79
Is your Jeep’s oil pan gasket leaking? Or, are you rebuilding an engine and need a fresh gasket? Omix-ADA offers high-quality replacement oil pan gaskets that will give you years of service and get you back on the road.

Product Features:
  • Cork
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50186 C)

Engine Valve Cover Gasket Set

from

$21.49
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
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Felpro – Cylinder Head Gasket Set (Part No.HS 8266 PT-4)

Cylinder Head Gasket Set

from

$84.99
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:
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Omix – Cylinder Head Gasket (Part No.17446.07)

Cylinder Head Gasket

from

$26.49
Are your Jeep’s cylinder head gaskets leaking? Or, are you rebuilding an engine and need fresh gaskets? Omix-ADA offers high-quality replacement cylinder head gaskets that will give you years of service and get you back on the road.

Product Features:
  • Composite
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Melling – Stock Replacement Oil Pump Screen (Part No.81-S1)

Stock Replacement Oil Pump Screen

from

$37.99
A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine ware, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineering protects the engine from dirt and contaminants
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Crown Auto Jeep Replacmnt – OE Replacement (Part No.3190848K)

OE Replacement

from

$24.99
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:
  • 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
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Crankshaft Rebuilders – Remanufactured Crankshaft Kit (Part No.25210)

Remanufactured Crankshaft Kit

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$366.99
Remanufactured precision machined OE crankshafts.

Product Features:
  • Includes matching rod and main bearings.
  • Journals Micropolished.
  • All units subject to complete quality inspection.
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Edelbrock – Sure Seat Valve Springs for Chrysler 383-400-413-440 V8 1969-79 (Part No.5792)

Sure Seat Valve Springs for Chrysler 383-400-413-440 V8 1969-79

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$141.99
Product Features:
  • Non-Rotator Type
  • 1.550 in. Outer Diameter
  • .190 Wire Size
  • Single Coil Spring Type
  • Set of 16
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Omix – Engine Oil Pump Cover (Part No.17470.15)

Engine Oil Pump Cover

from

$79.99
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
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Sealed Power – Engine Push Rod (Part No.RP-3093)

Engine Push Rod

from

$2.99
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:
  • State-of-the-art manufacturing
  • Exceptional material quality
  • Exacting tolerances
  • Heat treated tips
  • Stock or mild modified replacement
  • Made in USA
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Felpro – TIMING COVER GASKET SET (Part No.TCS 45117)

TIMING COVER GASKET SET

from

$19.99
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:
  • 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
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PowerBond – Premium OEM Replacement Harmonic Balancer; 171mm Diameter (Part No.PB1483N)

Premium OEM Replacement Harmonic Balancer; 171mm Diameter

from

$116.99
For use on the most popular passenger car, light commercial and four-wheel drive applications, Dayco harmonic balancers use special rubber compounds to dampen and remove engine harmonics and add to engine performance. Manufactured using a premium ductile iron casting and injection bonded dampening rubber, Dayco harmonic balancers offer engine builders and technicians the highest quality replacement to standard OEM balancers, which are typically made with press inserted dampening rubber. Dayco balancers utilize both inserted and pressure-bonded rubber to provide superior bonding strength between the inner and outer balancer rings, helping minimize spin and dislocation.

Product Features:
  • Designed as premium OEM replacement balancers for serpentine and V-belt drives
  • Manufactured with ductile iron casting and injection bonded dampening rubber
  • Engineered to offer superior bonding strength between the balancer rings
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National – Engine Harmonic Balancer Repair Sleeve (Part No.88179)

Engine Harmonic Balancer Repair Sleeve

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.

Product Features:
  • Made of stainless steel
  • Designed to prevent timing cover seal leaks
  • Takes up gaps caused by worn-out harmonic balancer shafts
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Dorman – Timing Cover Kit – Includes Gasket (Part No.635-409)

Timing Cover Kit - Includes Gasket

from

$76.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each) (Part No.555-028)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (sold by each)

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
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S412T)

Engine Timing Camshaft Sprocket

from

$15.99
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 sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • 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
  • Refer to our online catalog for detailed application-specific information
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Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40612)

REAR MAIN BEARING SEAL SET

from

$25.99
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:
  • 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
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National – Multi Purpose Seal (Part No.321460)

Multi Purpose Seal

from

$19.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Sealed Power – Engine Rocker Arm Kit (Part No.R-875)

Engine Rocker Arm Kit

from

$18.99
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:
  • Complete rocker arm assembly
  • 2 Arms
  • 2 Pivots
  • 1 Bridge
  • 2 Arms
  • Utilizes ISO & QS certified manufacturing
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Felpro – Engine Gasket Set (Part No.FS 8266 PT-4)

Engine Gasket Set

from

$136.99
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:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE — Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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

Felpro – Valley Pan Gasket Set (Part No.MS 96011)

Valley Pan Gasket Set

from

$35.99
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
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National – Multi Purpose Seal (Part No.470059)

Multi Purpose Seal

from

$9.49
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.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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
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Sealed Power – Engine Valve Lifter (Part No.HT-2011)

Engine Valve Lifter

from

$5.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Crown Auto Jeep Replacmnt – Oem Replacement (Part No.J3236322)

Oem Replacement

from

$154.99
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:
  • 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
See More

1978 Jeep J20 Engine Parts

You count on your 1978 Jeep J20 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 106 Engine Parts ranging in price from $1.29 to $553.99, you’re sure to find everything you need for your 1978 Jeep J20.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 17 different brands like Sealed Power, Felpro, and Dorman. 1978 Jeep J20 Engine Parts start as low as $1.29!

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 94 extensive product reviews on 1978 Jeep J20 Engine Parts. Some of the top-rated Engine Parts products we carry are Econo-Kool® Engine Oil Cooler with 4.7 stars and Engine Timing Cover Gasket Set 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 1978 Jeep J20 below to get started!

Top-Rated Engine Parts Brands For Your 1978 Jeep J20

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 1978 Jeep J20 running right for years to come. In our inventory you’ll find brands like Sealed Power, Felpro, Dorman, and even more.

Popular Anchor Engine Parts

You’ll find popular Anchor brand products across Engine Mounts. All are waiting to get your 1978 Jeep J20 back on the road. Some of the top-rated Anchor products in these categories are:
Engine Mount: Front Left, Front Right, 1 Piece
from $10.49
(1)
Engine Mount: Front Left, Front Right, 1 Piece
Engine Mounts

Top-Rated Sealed Power Engine Parts


If Sealed Power are what you’re looking for, our inventory holds plenty. We stock Sealed Power brand Engine Parts for your 1978 Jeep J20, and some of our most reviewed Sealed Power parts include:
Engine Valve Lifter
from $5.99
(11)
Engine Valve Lifter
Engine Valve Lifters
Engine Push Rod
from $2.99
(5)
Engine Push Rod
Push Rods
Engine Connecting Rod Bearing
from $7.49
(1)
Engine Connecting Rod Bearing
Standard Individual Rod Bearings

FAQs for 1978 Jeep J20 Engine Parts

What are the most purchased Engine Parts for the 1978 Jeep J20?

Out of 106 Engine Parts for the 1978 Jeep J20, the most popular in our inventory are:
Oil Pan Gasket Set: Cork-Rubber, 5 Piece Set
from $17.99
This product is not rated
Oil Pan Gasket Set: Cork-Rubber, 5 Piece Set
Oil Pan Gaskets
Engine Valve Cover Gasket Set
from $25.49
(2)
Engine Valve Cover Gasket Set
Valve Cover Gaskets
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

What are the top-rated 1978 Jeep J20 Engine Parts?

Top-rated Engine Parts for your 1978 Jeep J20 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”
Engine Timing Cover Gasket Set
from $21.49
(2)
Engine Timing Cover Gasket Set
“Used them on my timing cover”
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”