5.7L / 6.1L / 6.4L Hemi Cooling Upgrades
Mishimoto Low Temp Thermostat: 5.7L Hemi & 6.1L SRT8 / 6.4L 392 2005 - 2023
Mishimoto
Regular price
$71.00
$64.95
9% off
- Unit price
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Mishimoto Aluminum Radiator: Dodge Durango / Jeep Grand Cherokee 2011 - 2023 (3.6L V6, 5.7L Hemi & 6.4L SRT)
Mishimoto
Regular price
$841.00
$764.95
9% off
- Unit price
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Mishimoto Silicone Radiator Hoses Kit: Jeep Grand Cherokee 5.7L Hemi 2011 - 2021
Mishimoto
Regular price
$279.00
$253.95
9% off
- Unit price
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Granatelli 180° Thermostat & Gasket: Fits HEMI 2003-2024 5.7/6.1/6.2/6.4L
Granatelli Motor Sports
Regular price
$52.50
$49.88
5% off
- Unit price
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Mishimoto Aluminum Radiator: 300 / Challenger / Charger / Magnum 6.1L & 6.4L SRT8 / SRT / Scat Pack 2006 - 2023
Mishimoto
Regular price
$909.00
$825.95
9% off
- Unit price
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Mishimoto Aluminum Radiator: 300 / Challenger / Charger / Magnum 5.7L Hemi 2005 - 2023
Mishimoto
Regular price
$935.00
$849.95
9% off
- Unit price
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Mishimoto Thermal Bypass Valve Kit (FRONT): Fits Chrysler/Dodge/Jeep/Ram 2006-2019 NAG1
Mishimoto
Regular price
$164.00
$148.95
9% off
- Unit price
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Mishimoto Aluminum Expansion Tank Black: Fits Challenger / Charger / 300 2011-2023 3.6/5.7L
Mishimoto
Regular price
$445.00
$404.95
9% off
- Unit price
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Mishimoto Silicone Radiator Hoses Kit: 300 / Challenger / Charger / Magnum 5.7L Hemi 2005 - 2010
Mishimoto
Regular price from $179.95 Up to 9% off
- Unit price
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3 colors
Mishimoto Low Temp Thermostat: 3.7L & 4.7L Dodge & Jeep
Mishimoto
Regular price
$76.00
$68.95
9% off
- Unit price
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JLT Coolant Tank Cover Black Textured: Challenger / Charger / 300 2011-2023
JLT
$69.00
- Unit price
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American Car Craft Water Tank / Power Steering Cover: 300C / Charger / Magnum 5.7L Hemi & 6.1L SRT8 2005 - 2010
American Car Craft
Regular price
$288.95
$268.95
7% off
- Unit price
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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
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Granatelli 160 Degree Thermostat & Gasket: Dodge/Ram/Durango/Chrysler/Jeep 2003-2024 5.7-6.4L HEMI
Granatelli Motor Sports
Regular price
$52.50
$49.88
5% off
- Unit price
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Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve Upgrade
Mishimoto
Regular price
$100.00
$90.95
9% off
- Unit price
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Mishimoto Thermal Bypass Valve Kit: Jeep Grand Cherokee (16-21) / Grand Cherokee L (21)
Mishimoto
Regular price
$110.00
$99.95
9% off
- Unit price
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Mishimoto Aluminum Expansion Tank Black (REAR): Dodge Challenger / Charger 2015-2023 6.4L/6.2L Hellcat
Mishimoto
Regular price
$474.00
$430.95
9% off
- Unit price
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Mishimoto Aluminum Radiator: Dodge Challenger / Charger 6.2L SRT Hellcat 2015 - 2023
Mishimoto
Regular price
$909.00
$825.95
9% off
- Unit price
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Weapon R Aluminum Coolant Overflow Tank: Dodge Challenger 2011 - 2014
Weapon R
Regular price
$300.00
$255.00
15% off
- Unit price
- /per
Mishimoto Silicone Radiator Hose Kit Black (F&R): 13-14 RAM 2500/3500/4500/5500 6.7L Cummins
Mishimoto
Regular price
$363.00
$329.95
9% off
- Unit price
- /per
Mishimoto Silicone Radiator Hose Kit Red (F&R): RAM 2500 / 3500 / 4500 / 5500 6.7L Cummins 2013-2014
Mishimoto
Regular price
$363.00
$329.95
9% off
- Unit price
- /per
Mishimoto Silicone Radiator Hose Kit Black (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins
Mishimoto
Regular price
$363.00
$329.95
9% off
- Unit price
- /per
Mishimoto Silicone Radiator Hose Kit Blue (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins
Mishimoto
Regular price
$363.00
$329.95
9% off
- Unit price
- /per
Mishimoto Silicone Radiator Hose Kit Red (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins
Mishimoto
Regular price
$363.00
$329.95
9% off
- Unit price
- /per
Mishimoto Transmission Cooler Tube-Fin Core (F&R): Dodge Ram 2500/3500 1994-2002 5.9L Cummins
Mishimoto
Regular price
$385.00
$349.95
9% off
- Unit price
- /per
Mishimoto Aluminum Coolant Y-Pipe (F&R): RAM 2500/3500/4500/5500 2013-2014 6.7L Cummins
Mishimoto
Regular price
$71.00
$64.95
9% off
- Unit price
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Mishimoto Silicone Radiator Hose Kit Red (F&R): Dodge / RAM 2500/3500 2010-2012 6.7L Cummins
Mishimoto
Regular price
$271.00
$245.95
9% off
- Unit price
- /per
Mishimoto Full-Flow Thermal Bypass Valve Kit: Fits Challenger / Charger / 300 2012-2021 3.6L 8HP45/845RE
Mishimoto
Regular price
$110.00
$99.95
9% off
- Unit price
- /per
Mishimoto Transmission Thermal Bypass Valve Kit Billet Aluminum (REAR): Fits Chrysler/Dodge 2012-2021 3.6L
Mishimoto
Regular price
$231.00
$209.95
9% off
- Unit price
- /per
Mishimoto Replacement Radiator Hose Kit (F&R): Dodge Ram 2500/3500/4500/5500 03-10 5.9/6.7L Cummins
Mishimoto
Regular price
$194.00
$175.95
9% off
- Unit price
- /per
Mishimoto Transmission Cooler Thicker Core (FRONT): RAM 2500/3500 2019-2023 6.7L Cummins
Mishimoto
Regular price
$583.00
$529.95
9% off
- Unit price
- /per
Mishimoto Transmission Cooler (Direct-Fit) (FRONT): Dodge/RAM 2500/3500 2010-2012 6.7L Cummins
Mishimoto
Regular price
$629.00
$571.95
9% off
- Unit price
- /per
Mishimoto Radiator: Dodge Ram 1500 (03-08) / Ram 2500 (04-09) / Ram 3500 (04-08)
Mishimoto
Regular price
$660.00
$599.95
9% off
- Unit price
- /per
Mishimoto Thermal Bypass: Ram 2500 / Ram 3500 2019-2024
Mishimoto
Regular price
$225.00
$204.95
9% off
- Unit price
- /per
Mishimoto Silicone Radiator Hose Kit Blue (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 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
CSF High-Performance Transmission Oil Cooler: Fits Most Jeep Wrangler / Gladiator Models (2018-2026)
CSF
Regular price
$399.00
$379.00
5% off
- Unit price
- /per
Mishimoto Top Heater Hose Upgrade -10AN (REAR): Dodge / RAM 2500/3500/4500/5500 2007-2025 6.7L Cummins
Mishimoto
Regular price
$110.00
$99.95
9% off
- Unit price
- /per
Holley Replacement Water Neck Seal: Fits Most Dodge / Jeep / Ram Models (2003-2023)
Holley
Regular price
$4.57
$3.65
20% off
- Unit price
- /per
Mishimoto Silicone Radiator Hose Kit Red (F&R): 11-23 Challenger / Charger R/T / 300C 5.7L
Mishimoto
Regular price
$216.00
$195.95
9% off
- Unit price
- /per
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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.