1990 Jeep Comanche Performance Engines
Keep Your 1990 Jeep Comanche in Top Shape with Quality Performance Engines
Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1990 Jeep Comanche looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Piston Rings, Performance Engine Cylinder Head Gaskets, and Performance Engine Coolant Thermostats. 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 Performance Engines from Trusted Brands
Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like Omix. For example, Omix Performance Engines start at just $8.29 with an average 4.3 star rating. With over 170 reviews and a solid 4 star average, you can shop with confidence knowing other Jeep Comanche owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1990 Jeep Comanche Performance Engine at Advance Auto Parts is around $41.33, with a range that starts at $6.49 and goes up to $141.99. With 11 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ, and Rocker Arm Bridge; 258CI; 72-06 Jeep CJ/Wrangler YJ/TJ start at just $6.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Ignition Products and Performance Radiators. At Advance Auto Parts, we’re here to help you keep your 1990 Jeep Comanche in peak condition, inside and out.
Find Your Specific 1990 Jeep Comanche Performance Engines
Looking for the perfect Performance Engine for your 1990 Jeep Comanche? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your Jeep Comanche. Whether you’re driving a 1990 model or another popular model year like
1986,
1987,
1988,
1989,
1991, and
1992, we’ve got you covered. Purchasing Performance Engines 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 Performance Engines that fit your vehicle.
Essential 1990 Jeep Comanche Performance Engines
Omix – Piston Ring Set (Part No.17430.24)
from
$88.99
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:
See More
Product Features:
- Standard
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)
from
$29.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
Product Features:
See More
Product Features:
- Opens At 180 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Omix – Thermostat 180 Degree; 41-71 Willys/Jeep Models (Part No.17106.02)
from
$8.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- OE Style
- Direct Fit
- Steel
- Better Flow Control
Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)
from
$29.49
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
Product Features:
See More
Product Features:
- Opens at 160 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully opens at Correct Temperature Consistently Regardless of engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Mr. Gasket – High Performance Thermostat (Part No.4365)
from
$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
Product Features:
See More
Product Features:
- Opens At 195 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Omix – Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ (Part No.17408.06)
from
$9.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Metal
- OE Style
- Direct Fit
Omix – Rocker Arm Bridge; 258CI; 72-06 Jeep CJ/Wrangler YJ/TJ (Part No.17408.11)
from
$6.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Metal
- OE Style
- Direct Fit
Omix – Engine Gasket Set; 4.0L; 87-90 Jeep Cherokee (Part No.17440.06)
from
$141.99
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:
See More
Product Features:
- Complete Kit
- OE Style
- Direct Fit
Omix – Cylinder Head Gasket; 4.0L; 91-95 Jeep Models (Part No.17446.05)
from
$38.49
Is your Jeep’s cylinder head gasket leaking? Or, are you rebuilding an engine and need a fresh gasket? 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:
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Product Features:
- Composite
- OE Style
- Direct Fit
Omix – Piston Std; 2.5L/4.0L (Part No.17427.07)
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 individually.
Product Features:
See More
Product Features:
- Standard
- OE Style
- Direct Fit
Omix – Piston; .010; 2.5L/4.0L (Part No.17427.11)
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 individually.
Product Features:
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Product Features:
- .010 Over
- Engine Work May Be Required To Install This Part
Popular 1990 Jeep Comanche Performance Engines Categories
Most Popular Performance Engine Piston Ring for 1990 Jeep Comanches
Enhance your 1990 Jeep Comanche with this popular Performance Engine Piston Ring we have in stock, for $88.99.
Omix – Piston Ring Set (Part No.17430.24)
from
$88.99
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:
See More
Product Features:
- Standard
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Best-Selling 1990 Jeep Comanche Performance Engine Cylinder Head Gasket
Upgrade your Comanche with our best-selling Performance Engine Cylinder Head Gasket.
Omix – Cylinder Head Gasket; 4.0L; 91-95 Jeep Models (Part No.17446.05)
from
$38.49
Is your Jeep’s cylinder head gasket leaking? Or, are you rebuilding an engine and need a fresh gasket? 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:
See More
Product Features:
- Composite
- OE Style
- Direct Fit
Top-Quality Performance Engine Coolant Thermostats for 1990 Jeep Comanches
Choose a high-quality OEM or aftermarket Performance Engine Coolant Thermostat for Jeep Comanches and enjoy top-notch performance from $8.29.
Omix – Thermostat 180 Degree; 41-71 Willys/Jeep Models (Part No.17106.02)
from
$8.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- OE Style
- Direct Fit
- Steel
- Better Flow Control
Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)
from
$29.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
Product Features:
See More
Product Features:
- Opens At 180 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)
from
$29.49
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
Product Features:
See More
Product Features:
- Opens at 160 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully opens at Correct Temperature Consistently Regardless of engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Mr. Gasket – High Performance Thermostat (Part No.4365)
from
$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
Product Features:
See More
Product Features:
- Opens At 195 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Our Top Pick for a 1990 Jeep Comanche Performance Engine Gasket Set
Invest in a
durable Performance Engine Gasket Set for your 1990 Jeep, knowing you’re getting trusted brands and expert craftsmanship.
Omix – Engine Gasket Set; 4.0L; 87-90 Jeep Cherokee (Part No.17440.06)
from
$141.99
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:
See More
Product Features:
- Complete Kit
- OE Style
- Direct Fit
Performance Engine Rocker Arms for 1990 Jeep Comanches
Make a smart move for your 1990 Jeep Comanche with products all priced from $6.49 to $9.29.
Omix – Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ (Part No.17408.06)
from
$9.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Metal
- OE Style
- Direct Fit
Omix – Rocker Arm Bridge; 258CI; 72-06 Jeep CJ/Wrangler YJ/TJ (Part No.17408.11)
from
$6.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Metal
- OE Style
- Direct Fit
Top-Rated Performance Engine Brands For Your 1990 Jeep Comanche
When it comes to finding the perfect Performance Engine for your 1990 Jeep Comanche, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Performance Engine brands including Omix, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $8.29. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1990 Jeep Comanche, providing peace of mind with parts that meet or exceed OEM standards.
Popular Omix 1990 Jeep Comanche Performance Engines
If you’re looking for a top-quality Performance Engine for your 1990 Jeep Comanche, Advance Auto Parts has exactly what you need with our selection of Omix Performance Engines. We have 1 Omix Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.29, you’ll find the perfect Performance Engine for your needs and budget. Omix Performance Engines for the 1990 Jeep Comanche come highly rated, with over 2 customer reviews and an impressive average rating of 4.3 stars. Choosing a Omix Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$8.29
(2)
Thermostat 180 Degree; 41-71 Willys/Jeep Models
“Product is great. Installing next weekend to my jeep”
FAQs for 1990 Jeep Comanche Performance Engines
What are the best-selling Performance Engines for 1990 Jeep Comanches?
Out of 11 Performance Engines that fit 1990 Jeep Comanches, the following parts are the top sellers:
- High Performance Thermostat (22903641) – $31.99
- Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ (10179322) – $9.29
- Rocker Arm Bridge; 258CI; 72-06 Jeep CJ/Wrangler YJ/TJ (10181385) – $6.49
What’s the price range for 1990 Jeep Comanche Performance Engines?
The prices of Performance Engines for the 1990 Jeep Comanche range from $6.49 up to $141.99 for the most premium parts.
What is the average price of a Performance Engine for a 1990 Jeep Comanche?
The average price for Performance Engines for the 1990 Jeep Comanche is $41.33. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Engines for other Jeep Comanche model years?
What are the cheapest Performance Engines for my 1990 Jeep Comanche?
The cheapest 1990 Jeep Comanche Performance Engines we carry are:
- Rocker Arm Bridge; 258CI; 72-06 Jeep CJ/Wrangler YJ/TJ (10181385) – $6.49
- Thermostat 180 Degree; 41-71 Willys/Jeep Models (10186688) – $8.29
- Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ (10179322) – $9.29
- High Performance Thermostat – 160 Degree Brass & Copper (17360031) – $29.49
- High Performance 180 Degree Thermostat for Increased Flow (17360033) – $29.99
Does Advance Auto Parts sell Performance Engines for any other 1990 Jeep models?
Yes. We stock Performance Engines for 3 other popular 1990 Jeep models. Some of the most popular are 1990 Cherokee Performance Engines, 1990 Wrangler Performance Engines, 1990 Grand Wagoneer Performance Engines, and 1990 Wagoneer Performance Engines.
What are the top-rated Performance Engines that fit the 1990 Jeep Comanche?
The one 1990 Jeep Comanche Performance Engine we have in stock is the Rocker Arm Bridge; 258CI; 72-06 Jeep CJ/Wrangler YJ/TJ. It costs $6.49.
What types of Performance Engines do you sell for my 1990 Jeep Comanche?
As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1990 Jeep Comanche:
Can I get help with 1990 Jeep Comanche Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Jeep Performance Engines and more.
What is your return policy for Jeep Comanche Performance Engines?
Advance Auto Parts keeps returns simple. For new Jeep Comanche Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.