1991 Jeep Wrangler Engine Internals

Essential 1991 Jeep Wrangler Engine Internals

Omix – Piston (Part No.17427.09)

Piston

from

$73.99
Are you rebuilding an engine and need a fresh set of pistons? Omix-ADA offers high-quality replacement pistons from Standard to .080 thousandths over size. Wrist pins included. They will give you years of service and get you back on the road. Sold individ

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

Sealed Power – Engine Piston (Part No.W525AP)

Engine Piston

from

$38.99
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:
  • Cast with FM132 Eutectic proprietary alloy
  • Performance & dependability of original equipment pistons
  • High quality aluminum
  • Utilizes ISO & QS certified manufacturing
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston (Part No.WH822CP)

Engine Piston

from

$46.49
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:
  • Helps improve cylinder sealing for less blow-by
  • Retains standard ring gaps in top groove
  • DUROSHIELD« skirt-coated piston
  • Moly-graphite coating extends engine life
  • Reduces friction for higher fuel economy
  • Prevents damage from inadequate lubrication on start-up
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Sealed Power – Engine Piston (Part No.W470AP)

Engine Piston

from

$39.99
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:
  • Cast with FM132 Eutectic proprietary alloy
  • Performance & dependability of original equipment pistons
  • High quality aluminum
  • Utilizes ISO & QS certified manufacturing
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston (Part No.WH802CP)

Engine Piston

from

$43.49
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:
  • Helps improve cylinder sealing for less blow-by
  • Retains standard ring gaps in top groove
  • DUROSHIELD« skirt-coated piston
  • Moly-graphite coating extends engine life
  • Reduces friction for higher fuel economy
  • Prevents damage from inadequate lubrication on start-up
See More

Omix – Piston (Part No.17427.12)

Piston

from

$101.99
Are you rebuilding an engine and need a fresh set of pistons? Omix-ADA offers high-quality replacement pistons from Standard to .080 thousandths over size. Wrist pins included. They will give you years of service and get you back on the road. Sold individ

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

Omix – Main Engine Bearing Set (Part No.17465.42)

Main Engine Bearing Set

from

$171.99
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.4289M 30)

Engine Crankshaft Main Bearing Set

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:
  • 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

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7313M .25MM)

Engine Crankshaft Main 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 applications
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Victor Reinz – Engine Crankshaft Seal Kit (Part No.19-10041-01)

Engine Crankshaft Seal Kit

from

$131.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Direct OEM replacement rotating shaft seal
  • Includes RMB Seal retainer housing with sealing feature
See More

Victor Reinz – Engine Crankshaft Seal (Part No.81-34805-00)

Engine Crankshaft Seal

from

$5.29
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40578)

Engine Crankshaft Seal Kit

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:
  • 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 – 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

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.17467.27)

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

Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-3310CPA 10)

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 1)

Engine Connecting Rod 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:
  • 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 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-234X 30)

Engine Piston Ring Set

from

$50.99
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-234K 30)

Engine Piston Ring Set

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:
  • 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

Carquest Premium – Engine Crankshaft Position Sensor Spacer (Part No.CSA1739)

Engine Crankshaft Position Sensor Spacer

from

$6.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Provides proper Crankshaft Position Sensor spacing for precise sensor function
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 – Shaft Repair Sleeve (Part No.99189)

Shaft Repair Sleeve

from

$38.49
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:
  • 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

1991 Jeep Wrangler Engine Internals

Maybe you’re in the middle of a full rebuild of that 1991 Jeep Wrangler. 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 $171.99. That means you can find the exact parts or products you need to keep that 1991 Jeep Wrangler running smoothly.

Engine Internals are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Jeep Wrangler. Sealed Power, National, and Felpro 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 1991 Jeep Wrangler, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 48 reviews in this category, some of the top rated parts include Engine Connecting Rod Bearing with 4.0 stars.

So if you’re in the market for aftermarket Engine Internals to keep your 1991 Jeep Wrangler 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 1991 Jeep Wrangler Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Jeep Wrangler 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 Wrangler the best it can be. Be sure to browse some of our top Engine Internals brands and parts.

Popular Felpro Engine Internals

We carry Felpro parts in our stock across Crankshaft Seals categories, plus more. For a 1991 Jeep Wrangler, our most popular Felpro Engine Internals include:
Engine Crankshaft Seal Kit
from $21.49
(4)
Engine Crankshaft Seal Kit
Crankshaft Seals

FAQs for 1991 Jeep Wrangler Engine Internals

What are the most purchased Engine Internals for the 1991 Jeep Wrangler?

Out of 51 Engine Internals for the 1991 Jeep Wrangler, the most popular in our inventory are:
Multi Purpose Seal
from $19.99
(2)
Multi Purpose Seal
Crankshaft Seals
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

What are the top-rated 1991 Jeep Wrangler Engine Internals?

Top-rated Engine Internals for your 1991 Jeep Wrangler based on customer reviews/ratings are:
Engine Connecting Rod Bearing
from $7.49
(1)
Engine Connecting Rod Bearing
“fast shipping and good parts”