1943 Jeep Willys Performance Engines

Keep Your 1943 Jeep Willys 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 1943 Jeep Willys looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Coolant Thermostats and Performance Water Outlet Gaskets. 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 2 reviews and a solid 5 star average, you can shop with confidence knowing other Jeep Willys owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1943 Jeep Willys Performance Engine at Advance Auto Parts is around $5.64, with a range that starts at $2.99 and goes up to $8.29. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Thermostat Gasket; 134CI L-Head; 41-53 Willys Models start at just $2.99 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 Steering Products. At Advance Auto Parts, we’re here to help you keep your 1943 Jeep Willys in peak condition, inside and out.

Essential 1943 Jeep Willys Performance Engines

Omix – Thermostat Gasket; 134CI L-Head; 41-53 Willys Models (Part No.17117.01)

Thermostat Gasket; 134CI L-Head; 41-53 Willys Models

from

$2.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Use With 134 L-Head
  • OE Style
  • Direct Fit
See More

Omix – Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17117.02)

Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models

from

$4.79
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Highly Durable
  • Long Lasting
See More

Omix – Thermostat 180 Degree; 41-71 Willys/Jeep Models (Part No.17106.02)

Thermostat 180 Degree; 41-71 Willys/Jeep Models

from

$8.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Steel
  • Better Flow Control
See More

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

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:
  • 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
See More

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

High Performance Thermostat - 160 Degree Brass & Copper

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:
  • 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
See More

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

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:
  • 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
See More

Most Popular Performance Engine Coolant Thermostat for 1943 Jeep Willys

Enhance your 1943 Jeep Willys with this popular Performance Engine Coolant Thermostat we have in stock, for $8.29.

Omix – Thermostat 180 Degree; 41-71 Willys/Jeep Models (Part No.17106.02)

Thermostat 180 Degree; 41-71 Willys/Jeep Models

from

$8.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Steel
  • Better Flow Control
See More

Best-Selling 1943 Jeep Willys Performance Water Outlet Gasket

Upgrade your Willys with our best-selling Performance Water Outlet Gasket.

Omix – Thermostat Gasket; 134CI L-Head; 41-53 Willys Models (Part No.17117.01)

Thermostat Gasket; 134CI L-Head; 41-53 Willys Models

from

$2.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Use With 134 L-Head
  • OE Style
  • Direct Fit
See More

Top-Rated Performance Engine Brands For Your 1943 Jeep Willys

When it comes to finding the perfect Performance Engine for your 1943 Jeep Willys, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 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 1943 Jeep Willys, providing peace of mind with parts that meet or exceed OEM standards.

Popular Omix 1943 Jeep Willys Performance Engines

If you’re looking for a top-quality Performance Engine for your 1943 Jeep Willys, 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 1943 Jeep Willys 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.
Thermostat 180 Degree; 41-71 Willys/Jeep Models
from $8.29
(2)
Thermostat 180 Degree; 41-71 Willys/Jeep Models
“Product is great. Installing next weekend to my jeep”

FAQs for 1943 Jeep Willys Performance Engines

What are the best-selling Performance Engines for 1943 Jeep Willys?

Out of 2 Performance Engines that fit 1943 Jeep Willys, the following parts are the top sellers:

What’s the price range for 1943 Jeep Willys Performance Engines?

The prices of Performance Engines for the 1943 Jeep Willys range from $2.99 up to $8.29 for the most premium parts.

What is the average price of a Performance Engine for a 1943 Jeep Willys?

The average price for Performance Engines for the 1943 Jeep Willys is $5.64. 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 Willys model years?

Yes, we carry Performance Engines for 14 model years of Jeep Willys between 1944 and 1958. The following model years are the most popular for Performance Engine purchases: 1958, 1957, 1956, 1955, 1954, 1953, 1952, 1951, and 1950.

What are the cheapest Performance Engines for my 1943 Jeep Willys?

The cheapest 1943 Jeep Willys Performance Engines we carry are:

What are the top-rated Performance Engines that fit the 1943 Jeep Willys?

The one 1943 Jeep Willys Performance Engine we have in stock is the Thermostat Gasket; 134CI L-Head; 41-53 Willys Models. It costs $2.99.

What types of Performance Engines do you sell for my 1943 Jeep Willys?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1943 Jeep Willys:

Can I get help with 1943 Jeep Willys 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 Willys Performance Engines?

Advance Auto Parts keeps returns simple. For new Jeep Willys Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.