1978 Jeep CJ7 Engine Internals

Essential 1978 Jeep CJ7 Engine Internals

Sealed Power – Engine Piston Ring Set (Part No.E-450X)

Engine Piston Ring Set

from

$65.99
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

Sealed Power – Engine Piston Ring Set (Part No.E-240X 30)

Engine Piston Ring Set

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

Sealed Power – Engine Piston Ring Set (Part No.E-222K 60)

Engine Piston Ring Set

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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston Ring Set (Part No.E-222K 40)

Engine Piston Ring Set

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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 30)

Engine Connecting Rod Bearing Set

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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA)

Engine Connecting Rod Bearing Set

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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3310CPA 10)

Engine Connecting Rod Bearing Set

from

$57.99
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3310CPA)

Engine Connecting Rod Bearing Set

from

$57.99
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:
  • 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
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.6689MA)

Engine Crankshaft Main Bearing Set

from

$59.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

Omix – Main Engine Bearing Set (Part No.17465.51)

Main Engine Bearing Set

from

$184.99
Are you rebuilding an engine and need a fresh set of main bearings? Omix-ADA offers high-quality replacement main bearing 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

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.6689MA 10)

Engine Crankshaft Main Bearing Set

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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

Omix – Main Engine Bearing Set (Part No.17465.35)

Main Engine Bearing Set

from

$119.99
Are you rebuilding an engine and need a fresh set of main bearings? Omix-ADA offers high-quality replacement main bearing sets from Standard to .080 thousandths over size. They will give you years of service and get you back on the road.

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

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.5037M 10)

Engine Crankshaft Main Bearing Set

from

$82.99
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:
  • 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
See More

National – Shaft Repair Sleeve (Part No.99179)

Shaft Repair Sleeve

from

$25.99
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

National – Multi Purpose Seal (Part No.3698)

Multi Purpose Seal

from

$21.49
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

Omix – Crankshaft Oil Seal (Part No.17458.03)

Crankshaft Oil Seal

from

$19.29
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:
  • 2 Piece Design
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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

Mahle – Crankshaft Seal (Part No.A8060212729MAH)

Crankshaft Seal

from

$20.67
Crankshaft Seal

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
See More

Omix – CkshaftSeal (Part No.17458.15)

CkshaftSeal

from

$41.99
CkshaftSeal

National – Multi Purpose Seal (Part No.9845)

Multi Purpose Seal

from

$12.99
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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 20)

Engine Connecting Rod Bearing

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:
  • 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
See More

Omix – Connecting Rod Bearing (Part No.17467.24)

Connecting Rod Bearing

from

$12.79
Are you rebuilding an engine and need connecting rod bearings? Omix-ADA offers high-quality replacement rod bearings from Standard to .080 thousandths over size. They will give you years of service and get you back on the road. Sold individually.

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

Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 10)

Engine Connecting Rod Bearing

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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.3310CPA 1)

Engine Connecting Rod Bearing

from

$7.79
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:
  • 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
See More

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

Engine Connecting Rod Bearing

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:
  • 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
See More

Omix – Connecting Rod Bearing (Part No.17467.28)

Connecting Rod Bearing

from

$10.99
Are you rebuilding an engine and need connecting rod bearings? Omix-ADA offers high-quality replacement rod bearings from Standard to .080 thousandths over size. They will give you years of service and get you back on the road. Sold individually.

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

Omix – Connecting Rod Bearing (Part No.17467.25)

Connecting Rod Bearing

from

$13.49
Are you rebuilding an engine and need connecting rod bearings? Omix-ADA offers high-quality replacement rod bearings from Standard to .080 thousandths over size. They will give you years of service and get you back on the road. Sold individually.

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

1978 Jeep CJ7 Engine Internals

Maybe you’re in the middle of a full rebuild of that 1978 Jeep CJ7. Maybe you just need a couple of Engine Internals. Either way, Advance Auto Parts has 51 different Engine Internals in our inventory ranging from $4.49 to $187.99. That means you can find the exact parts or products you need to keep that 1978 Jeep CJ7 running smoothly.

Engine Internals are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Jeep CJ7. Sealed Power, National, and Omix are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Internals for your 1978 Jeep CJ7, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 14 reviews in this category, some of the top rated parts include Crankshaft Oil Seal with 5.0 stars and CkshaftSeal with 2.0 stars.

So if you’re in the market for aftermarket Engine Internals to keep your 1978 Jeep CJ7 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Internals Brands To Make Your 1978 Jeep CJ7 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Jeep CJ7 demands trusted brand parts and products to keep it running. Many trusted brands of Engine Internals make up Advance Auto Parts’ inventory, and all are ready to help make your CJ7 the best it can be. Be sure to browse some of our top Engine Internals brands and parts.

Popular National Engine Internals

We carry National parts in our stock across Crankshaft Seals categories, plus more. For a 1978 Jeep CJ7, our most popular National Engine Internals include:
Multi Purpose Seal
from $19.99
(2)
Multi Purpose Seal
Crankshaft Seals

FAQs for 1978 Jeep CJ7 Engine Internals

What are the most purchased Engine Internals for the 1978 Jeep CJ7?

Out of 51 Engine Internals for the 1978 Jeep CJ7, the most popular in our inventory are:
Engine Connecting Rod Bearing Set
from $54.99
This product is not rated
Engine Connecting Rod Bearing Set
Standard Rod Bearing Sets
Engine Connecting Rod Bearing
from $7.29
(1)
Engine Connecting Rod Bearing
Standard Individual Rod Bearings
Engine Connecting Rod Bearing
from $7.49
(1)
Engine Connecting Rod Bearing
Standard Individual Rod Bearings

What are the top-rated 1978 Jeep CJ7 Engine Internals?

Top-rated Engine Internals for your 1978 Jeep CJ7 based on customer reviews/ratings are:
Crankshaft Oil Seal
from $19.29
(1)
Crankshaft Oil Seal
“Exact fit”
CkshaftSeal
from $41.99
(1)
CkshaftSeal
“Does not fit my 2011 Jeep jk.”