1946 Jeep Willys Performance Engines
Keep Your 1946 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 1946 Jeep Willys looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Water Outlets, 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 4 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 1946 Jeep Willys Performance Engine at Advance Auto Parts is around $56.33, with a range that starts at $2.99 and goes up to $106.99. With 13 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Thermostat Retainer; 41-53 Willys Models, Piston Ring Set; .060; 134CI; 41-71 Willys Models, and Piston Ring Set; .020; 134CI; 41-71 Willys/Jeep Models start at just $5.99 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 Fuel Systems and Performance Ignition Products. At Advance Auto Parts, we’re here to help you keep your 1946 Jeep Willys in peak condition, inside and out.
Find Your Specific 1946 Jeep Willys Performance Engines
Looking for the perfect Performance Engine for your 1946 Jeep Willys? 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 Willys. Whether you’re driving a 1946 model or another popular model year like
1950,
1951,
1952,
1953,
1954,
1955,
1956,
1957, and
1958, 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 1946 Jeep Willys Performance Engines
Omix – Thermostat Gasket; 134CI L-Head; 41-53 Willys Models (Part No.17117.01)
from
$2.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Use With 134 L-Head
- OE Style
- Direct Fit
Omix – Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17117.02)
from
$4.79
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
- Highly Durable
- Long Lasting
Omix – Engine Tappet Cover Gasket; 134CI; 46-53 Willys CJ Models (Part No.17450.07)
from
$10.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Cork
- OE Style
- Direct Fit
Omix – Thermostat Housing; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17118.01)
from
$10.99
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
- Highly Durable
- Long Lasting
Omix – Thermostat Retainer; 41-53 Willys Models (Part No.17107.01)
from
$5.99
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
Omix – Timing Chain; 134CI L-Head; 41-45 Willys Models (Part No.17453.01)
from
$106.99
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain.
Product Features:
See More
Product Features:
- Use With 134 L-Head With Chain Driven Camshaft
- OE Style
- Direct Fit
Omix – Timing Chain (Part No.17453.04)
from
$178.99
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain and
Product Features:
See More
Product Features:
- 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:
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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 (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:
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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 – 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
Omix – Piston; .040; 134CI (Part No.17427.04)
from
$88.99
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:
- .040 Over
- Engine Work May Be Required To Install This Part
Omix – Piston; .060; 134CI (Part No.17427.05)
from
$88.99
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:
- .060 Over
- Engine Work May Be Required To Install This Part
Omix – Piston; .020; 134CI (Part No.17427.02)
from
$97.99
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:
- .020 Over
- Engine Work May Be Required To Install This Part
Omix – Intake Spring; 134CI; 41-71 Willys/Jeep (Part No.17409.01)
from
$7.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Use With 134 L-Head
- OE Style
- Direct Fit
Omix – Piston Ring Set; .060; 134CI; 41-71 Willys Models (Part No.17430.05)
from
$82.99
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:
- .060 Over
- Engine Work May Be Required To Install This Part
Omix – Piston Ring Set (Part No.17430.16)
from
$197.99
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:
- .030 Over
- Engine Work May Be Required To Install This Part
- Limited 5 Year Warranty
Omix – Piston Ring Set (Part No.17430.15)
from
$197.99
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:
- .020 Over
- Engine Work May Be Required To Install This Part
- Limited 5 Year Warranty
Omix – Piston Ring Set; .080; 134CI; 41-71 Willys/Jeep Models (Part No.17430.06)
from
$74.99
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:
- .080 Over
- Engine Work May Be Required To Install This Part
Omix – Piston Ring Set (Part No.17430.04)
from
$54.99
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:
- .040 Over
- Engine Work May Be Required To Install This Part
- Limited 5 Year Warranty
Omix – Piston Ring Set (Part No.17430.13)
from
$172.99
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
Omix – Piston Ring Set; .020; 134CI; 41-71 Willys/Jeep Models (Part No.17430.02)
from
$73.99
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:
- .020 Over
- Engine Work May Be Required To Install This Part
Popular 1946 Jeep Willys Performance Engines Categories
Most Popular Performance Water Outlet for 1946 Jeep Willys
Enhance your 1946 Jeep Willys with this popular Performance Water Outlet we have in stock, for $5.99.
Omix – Thermostat Retainer; 41-53 Willys Models (Part No.17107.01)
from
$5.99
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
Best-Selling 1946 Jeep Willys Performance Engine Coolant Thermostat
Upgrade your Willys with our best-selling Performance Engine Coolant Thermostat with a 5 Starts rating across 2 reviews.
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
Top-Quality Performance Water Outlet Gaskets for 1946 Jeep Willys
Choose a high-quality OEM or aftermarket Performance Water Outlet Gasket for Jeep Willys and enjoy top-notch performance from $2.99.
Omix – Thermostat Gasket; 134CI L-Head; 41-53 Willys Models (Part No.17117.01)
from
$2.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Use With 134 L-Head
- OE Style
- Direct Fit
Our Top Pick for a 1946 Jeep Willys Performance Engine Timing Sets and Component
Invest in a
durable Performance Engine Timing Sets and Component for your 1946 Jeep, knowing you’re getting trusted brands and expert craftsmanship.
Omix – Timing Chain; 134CI L-Head; 41-45 Willys Models (Part No.17453.01)
from
$106.99
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain.
Product Features:
See More
Product Features:
- Use With 134 L-Head With Chain Driven Camshaft
- OE Style
- Direct Fit
Our Performance Engine Valve Cover Gasket Sets for 1946 Jeep Willys
Make a smart move for your 1946 Jeep Willys with our Performance Engine Valve Cover Gasket Set for $10.49.
Omix – Engine Tappet Cover Gasket; 134CI; 46-53 Willys CJ Models (Part No.17450.07)
from
$10.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Cork
- OE Style
- Direct Fit
Top-Rated Performance Engine Brands For Your 1946 Jeep Willys
When it comes to finding the perfect Performance Engine for your 1946 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 1946 Jeep Willys, providing peace of mind with parts that meet or exceed OEM standards.
Popular Omix 1946 Jeep Willys Performance Engines
If you’re looking for a top-quality Performance Engine for your 1946 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 1946 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.
from
$8.29
(2)
Thermostat 180 Degree; 41-71 Willys/Jeep Models
“Product is great. Installing next weekend to my jeep”
FAQs for 1946 Jeep Willys Performance Engines
What are the best-selling Performance Engines for 1946 Jeep Willys?
Out of 13 Performance Engines that fit 1946 Jeep Willys, the following parts are the top sellers:
- Thermostat Retainer; 41-53 Willys Models (10185633) – $5.99
- Piston Ring Set; .060; 134CI; 41-71 Willys Models (10946147) – $82.99
- Piston Ring Set; .020; 134CI; 41-71 Willys/Jeep Models (10946244) – $73.99
What’s the price range for 1946 Jeep Willys Performance Engines?
The prices of Performance Engines for the 1946 Jeep Willys range from $2.99 up to $106.99 for the most premium parts.
What is the average price of a Performance Engine for a 1946 Jeep Willys?
The average price for Performance Engines for the 1946 Jeep Willys is $56.33. 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 Willys model years?
What are the cheapest Performance Engines for my 1946 Jeep Willys?
The cheapest 1946 Jeep Willys Performance Engines we carry are:
- Thermostat Gasket; 134CI L-Head; 41-53 Willys Models (10185227) – $2.99
- Thermostat Retainer; 41-53 Willys Models (10185633) – $5.99
- Intake Spring; 134CI; 41-71 Willys/Jeep (10179776) – $7.99
- Thermostat 180 Degree; 41-71 Willys/Jeep Models (10186688) – $8.29
- Engine Tappet Cover Gasket; 134CI; 46-53 Willys CJ Models (10180477) – $10.49
What types of Performance Engines do you sell for my 1946 Jeep Willys?
As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1946 Jeep Willys:
Can I get help with 1946 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.