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2.0L I4 / 3.0L EcoDiesel / 3.8L V6 Cooling Upgrades

Cooling Upgrades for 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 Engines The 2.0L inline-4, 3.0L EcoDiesel inline-6, and 3.8L V6 engines each have unique cooling demands driven by their design and performance characteristics. Whether you’re managing the efficient combustion of the 2.0L I4, the torque-focused EcoDiesel turbocharged diesel, or the versatile 3.8L V6, maintaining optimal operating temperatures is essential for durability and consistent performance. This collection offers a range of cooling upgrades tailored to these engines, including high-flow radiators, upgraded thermostats, performance water pumps, and enhanced cooling fans. These components help reduce heat soak, improve coolant circulation, and support your engine’s reliability under load or extended driving conditions. Key cooling upgrade benefits include: - Improved heat dissipation for diesel and gasoline engines - Enhanced coolant flow and temperature regulation - Increased reliability for towing and daily driving - Better performance under heavy load or high ambient temperatures Shop 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 cooling upgrades at FastHemis.
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58 Results

CSF 07-18 Jeep Wrangler (JK) Radiator
CSF 07-18 Jeep Wrangler (JK) Radiator

CSF Hi-Perf Aluminum Radiator: Jeep Wrangler JK 2007-2018 3.8/3.6L

CSF

Regular price $579.00 $525.00 9% off

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Omix Radiator- 01-04 Grand Cherokee 4.7L
Omix Radiator- 01-04 Grand Cherokee 4.7L
Omix Water Pump- 12-18 Jeep Wrangler JK 3.6L
Omix Water Pump- 12-18 Jeep Wrangler JK 3.6L
Mishimoto 12-18 Jeep Wrangler JK 82 Degree Thermostat with Housing
Mishimoto 12-18 Jeep Wrangler JK 82 Degree Thermostat with Housing

Mishimoto Low-Temp Thermostat w/ Aluminum Housing: Jeep Wrangler (07-18)

Mishimoto

Regular price $123.00 $111.95 9% off

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Mishimoto 2018+ Jeep Wrangler JL / 2020+ Gladiator (3.6L) Thermostat w/ Aluminum Housing - 90C
Mishimoto 2018+ Jeep Wrangler JL / 2020+ Gladiator (3.6L) Thermostat w/ Aluminum Housing - 90C

Mishimoto Thermostat w/ Aluminum Housing: Jeep Wrangler JL / Gladiator 3.6L (2018-2026) - 90C

Mishimoto

Regular price $99.00 $89.95 9% off

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Mishimoto 2018+ Jeep Wrangler JL / 2020+ Gladiator (3.6L) Thermostat w/ Aluminum Housing - 82C
Mishimoto 2018+ Jeep Wrangler JL / 2020+ Gladiator (3.6L) Thermostat w/ Aluminum Housing - 82C

Mishimoto Low-Temp Thermostat w/ Aluminum Housing: Jeep Wrangler / Gladiator (2018-2026) - 82C

Mishimoto

Regular price $123.00 $111.95 9% off

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CSF High-Performance Transmission Oil Cooler: Fits Most Jeep Wrangler / Gladiator Models (2018-2026)
CSF High-Performance Transmission Oil Cooler: Fits Most Jeep Wrangler / Gladiator Models (2018-2026)
Mishimoto 02-08 Dodge Ram 1500 Replacement Power Steering Cooler
Mishimoto 02-08 Dodge Ram 1500 Replacement Power Steering Cooler

Mishimoto Replacement Power Steering Cooler: Fits Dodge Ram (02-12)

Mishimoto

Regular price $99.00 $89.95 9% off

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Mishimoto 97-02 Jeep Wrangler 4cyl Black Silicone Hose Kit
Mishimoto 97-02 Jeep Wrangler 4cyl Black Silicone Hose Kit

Mishimoto Silicone Radiator Hose Kit Black (F&R): Jeep Wrangler TJ 1997-2002 2.5L

Mishimoto

Regular price $147.00 $133.95 9% off

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Mishimoto 07-17 Jeep Wrangler JK Performance Aluminum Radiator V2
Mishimoto 07-17 Jeep Wrangler JK Performance Aluminum Radiator V2

Mishimoto Performance Aluminum Radiator V2: Jeep Wrangler JK 2007-2018

Mishimoto

Regular price $766.00 $695.95 9% off

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Mishimoto 07-11 Jeep Wrangler 6cyl Black Silicone Hose Kit
Mishimoto 07-11 Jeep Wrangler 6cyl Black Silicone Hose Kit
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Mishimoto Silicone Radiator Hose Kit Black (F&R): Jeep Wrangler JK 2007-2011 3.8L

Mishimoto

Regular price $167.00 $151.95 9% off

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Mishimoto 07-11 Jeep Wrangler 6cyl Red Silicone Hose Kit
Mishimoto 07-11 Jeep Wrangler 6cyl Red Silicone Hose Kit
Sold out

Mishimoto Silicone Radiator Hose Kit Red (F&R): Jeep Wrangler JK 2007-2011 3.8L

Mishimoto

Regular price $167.00 $151.95 9% off

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Cooling Upgrades for 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 Engines

The 2.0L inline-4, 3.0L EcoDiesel inline-6, and 3.8L V6 engines each have distinct cooling requirements shaped by their design and operating conditions. Whether managing the efficient combustion of the gasoline 2.0L I4, the torque-heavy turbocharged EcoDiesel, or the versatile 3.8L V6, maintaining optimal engine temperatures is critical for durability and consistent performance.

Why are cooling upgrades important for these engine platforms?

Each engine platform faces unique thermal challenges. The 2.0L I4 relies on efficient heat dissipation to support fuel economy and emissions, while the 3.0L EcoDiesel’s turbocharged design generates significant heat under load. The 3.8L V6 balances power and smooth operation but still benefits from enhanced cooling to prevent heat soak and maintain performance.

  • Improved heat management reduces risk of overheating and engine wear
  • Enhanced coolant flow supports consistent operating temperatures under varied driving conditions
  • Upgraded components extend engine life and reliability, especially during towing or heavy use

What types of cooling upgrades are best suited for these engines?

Cooling upgrades for these engines focus on increasing coolant flow and heat dissipation. High-flow radiators provide greater surface area and improved airflow, while performance water pumps ensure efficient coolant circulation. Upgraded thermostats and enhanced cooling fans help maintain stable temperatures, especially in demanding environments.

How to select the right cooling upgrades for your 2.0L I4, 3.0L EcoDiesel, or 3.8L V6

Choosing the right cooling components depends on your engine’s specific needs and driving conditions. Consider your typical load, ambient temperatures, and whether you tow or drive aggressively. FastHemis offers a curated selection of cooling upgrades designed to fit each engine platform precisely, helping you maintain optimal performance and reliability.

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