Free shipping on orders over $250

Your cart

Your cart is empty

5.7L / 6.1L / 6.4L Hemi Cooling Upgrades

Cooling Upgrades for 5.7L, 6.1L, and 6.4L Hemi Engines The 5.7L, 6.1L SRT8, and 6.4L 392 Hemi engines are known for their strong performance and durability, each offering a unique balance of power and reliability. Whether you’re driving a classic 5.7L Hemi, a high-performance 6.1L SRT8, or a boost-ready 6.4L 392, managing engine temperatures is crucial to maintaining peak performance and longevity. This collection features cooling upgrades designed specifically for these Gen III Hemi platforms. From high-flow radiators and performance thermostats to upgraded water pumps and auxiliary cooling components, these parts help reduce heat soak and improve coolant flow under demanding conditions. Proper cooling supports your engine’s power potential while enhancing reliability during spirited driving or track use. Key cooling upgrades for your 5.7L, 6.1L, and 6.4L Hemi include: - High-capacity radiators for improved heat dissipation - Performance water pumps for consistent coolant flow - Upgraded thermostats for optimized temperature control - Auxiliary fans and cooling accessories Shop 5.7L / 6.1L / 6.4L Hemi cooling upgrades at FastHemis.
SELECT YOUR VEHICLE

120 Results

Mishimoto 04-08 Dodge Ram 1500 5.7L Red Silicone Hose Kit
Mishimoto 04-08 Dodge Ram 1500 5.7L Red Silicone Hose Kit

Mishimoto Silicone Radiator Hose Kit Red (F&R): Dodge Ram 1500 2004-2008 5.7L HEMI

Mishimoto

Regular price $198.00 $179.95 9% off

Unit price
per 

Mishimoto 04-08 Dodge Ram 1500 5.7L Black Silicone Hose Kit
Mishimoto 04-08 Dodge Ram 1500 5.7L Black Silicone Hose Kit

Mishimoto Silicone Radiator Hose Kit Black: Dodge Ram 1500 2004-2008 5.7L HEMI

Mishimoto

Regular price $198.00 $179.95 9% off

Unit price
per 

Mishimoto 03-10 Dodge Cummins 5.9L Red Diesel Hose Kit
Mishimoto 03-10 Dodge Cummins 5.9L Red Diesel Hose Kit

Mishimoto Silicone Radiator Hose Kit Red (F&R): Dodge Ram 2500/3500/4500/5500 03-10 5.9/6.7L Cummins

Mishimoto

Regular price $220.00 $199.95 9% off

Unit price
per 

Mishimoto 03-10 Dodge Cummins 5.9L Blue Diesel Hose Kit
Mishimoto 03-10 Dodge Cummins 5.9L Blue Diesel Hose Kit
Mishimoto 03-10 Dodge Cummins 5.9L Black Diesel Hose Kit
Mishimoto 03-10 Dodge Cummins 5.9L Black Diesel Hose Kit

Mishimoto Silicone Radiator Hose Kit Black: Dodge Ram 2500/3500/4500/5500 2003-2010 5.9/6.7L Cummins

Mishimoto

Regular price $220.00 $199.95 9% off

Unit price
per 

Mishimoto 04-08 Dodge Ram 1500 5.7L Blue Silicone Hose Kit
Mishimoto 04-08 Dodge Ram 1500 5.7L Blue Silicone Hose Kit

Mishimoto Silicone Radiator Hose Kit Blue: Dodge Ram 1500 2004-2008 5.7L HEMI

Mishimoto

Regular price $224.00 $203.95 9% off

Unit price
per 

Mishimoto 2010 Dodge 6.7L Cummins Silicone Coolant Hose Kit - Blue
Mishimoto 2010 Dodge 6.7L Cummins Silicone Coolant Hose Kit - Blue

Mishimoto Silicone Radiator Hose Kit Blue (F&R): Dodge / RAM 2500/3500 2010-2012 6.7L Cummins

Mishimoto

Regular price $271.00 $245.95 9% off

Unit price
per 

Mishimoto 2010 Dodge 6.7L Cummins Silicone Coolant Hose Kit - Black
Mishimoto 2010 Dodge 6.7L Cummins Silicone Coolant Hose Kit - Black

Mishimoto Silicone Radiator Hose Kit Black (F&R): Dodge / RAM 2500/3500 2010-2012 6.7L Cummins

Mishimoto

Regular price $271.00 $245.95 9% off

Unit price
per 

Mishimoto 2019+ Ram 6.7L Cummins Performance Aluminum Radiator
Mishimoto 2019+ Ram 6.7L Cummins Performance Aluminum Radiator

Mishimoto Performance Aluminum Radiator: Ram 2500 / Ram 3500 2019-2024

Mishimoto

Regular price $1,155.00 $1,049.95 9% off

Unit price
per 

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

Unit price
per 

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

Unit price
per 

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 2011+ Dodge Durango Heater Supply and Return Hose CNC Fitting Set
Mishimoto 2011+ Dodge Durango Heater Supply and Return Hose CNC Fitting Set

Mishimoto CNC Aluminum Heater Supply and Return Hose Fitting Set: Dodge Durango (2011-2026)

Mishimoto

Regular price $104.00 $94.95 9% off

Unit price
per 

Mishimoto 2015+ Dodge Charger/Challenger 6.2/6.4L Hellcat Aluminum Expansion Tank
Mishimoto 2015+ Dodge Charger/Challenger 6.2/6.4L Hellcat Aluminum Expansion Tank

Cooling Upgrades for 5.7L, 6.1L SRT8, and 6.4L 392 Hemi Engines

The 5.7L, 6.1L SRT8, and 6.4L 392 Hemi engines each deliver impressive power and durability, but managing heat is essential to keep them running at their best. These Gen III Hemi platforms benefit greatly from targeted cooling upgrades that enhance coolant flow and reduce heat soak during spirited driving or track use.

Why Upgrade Cooling Components on Your 5.7L, 6.1L, or 6.4L Hemi?

High-performance driving and heavy loads generate significant heat that stock cooling systems can struggle to dissipate efficiently. Upgrading cooling parts helps maintain optimal engine temperatures, preventing power loss and premature wear. This is especially important for the 6.1L SRT8 and 6.4L 392, which feature higher compression and more aggressive tuning than the 5.7L.

  • Improved heat dissipation reduces risk of overheating under stress
  • Consistent coolant flow supports stable operating temperatures
  • Enhanced cooling reliability extends engine life and performance

Key Cooling Upgrades for Gen III Hemi Engines

Effective cooling upgrades focus on increasing capacity and efficiency while ensuring compatibility with your specific Hemi platform. High-capacity radiators provide better heat exchange, while performance water pumps maintain steady coolant circulation. Upgraded thermostats optimize temperature regulation, and auxiliary fans improve airflow during low-speed or stop-and-go conditions.

Choosing the Right Cooling Upgrades for Your Hemi at FastHemis

Selecting cooling components tailored to your 5.7L, 6.1L SRT8, or 6.4L 392 Hemi ensures proper fitment and maximum benefit. Whether you’re upgrading for daily driving durability or track-focused performance, our collection offers quality radiators, water pumps, thermostats, and cooling accessories designed for these engines. Shop FastHemis to keep your Hemi running cool and strong.

SELECT YOUR VEHICLE