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4.7L /5.2L / 5.9L Cooling Upgrades

Cooling Upgrades for 4.7L, 5.2L, and 5.9L Magnum Engines The 4.7L, 5.2L, and 5.9L Magnum V8 engines are known for their classic Mopar durability and torque, powering trucks and SUVs through decades of reliable service. These engines benefit greatly from upgraded cooling components to maintain optimal operating temperatures, especially under heavy loads or performance use. This collection offers a range of cooling upgrades tailored to these legacy Chrysler small blocks, including high-flow radiators, performance water pumps, thermostats, and cooling fans. Proper heat management helps protect your engine from overheating, extends component life, and supports consistent power delivery. Key cooling upgrades for your Magnum engine: - High-capacity radiators for improved coolant flow - Performance water pumps and thermostats - Electric and mechanical cooling fans - Radiator hoses and clamps designed for durability Keep your classic Mopar running strong with reliable cooling solutions. Shop 4.7L / 5.2L / 5.9L cooling upgrades at FastHemis.
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56 Results

Killerglass Upper Radiator Hose Kit: Jeep Grand Cherokee 2005 - 2024 (V8 Only)
usa

Killerglass Upper Radiator Hose Kit: Jeep Grand Cherokee 2005 - 2024 (V8 Only)

KillerGlass
5.0 (1)

Regular price from $169.00 15% off

Unit price
per 

HPS Silicone Radiator Hoses Kit: Jeep Grand Cherokee	4.7L V8 2005 - 2009
HPS Silicone Radiator Hoses Kit: Jeep Grand Cherokee	4.7L V8 2005 - 2009

HPS Silicone Radiator Hoses Kit: Jeep Grand Cherokee 4.7L V8 2005 - 2009

HPS

Regular price from $207.00 Up to 13% off

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per 

3 colors
Spec D Aluminum Radiator: Jeep Grand Cherokee 4.0L w/ Automatic Transmission 1999 - 2004
Spec D Aluminum Radiator: Jeep Grand Cherokee 4.0L w/ Automatic Transmission 1999 - 2004

Spec D Aluminum Radiator: Jeep Grand Cherokee 4.0L w/ Automatic Transmission 1999 - 2004

Spec D

Regular price $274.00 $203.00 26% off

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per 

Omix Radiator- 01-04 Grand Cherokee 4.7L
Omix Radiator- 01-04 Grand Cherokee 4.7L
Mishimoto Dodge Ram 1500 Replacement Radiator 2002-2003
Mishimoto Dodge Ram 1500 Replacement Radiator 2002-2003

Mishimoto Replacement Radiator: Dodge Ram 1500 Laramie / SLT / ST (2002-2003)

Mishimoto

Regular price $191.00 $173.95 9% off

Unit price
per 

Mishimoto Dodge Ram 1500 Replacement Radiator 2002-2008
Mishimoto Dodge Ram 1500 Replacement Radiator 2002-2008

Mishimoto Replacement Radiator: Fits Most Dodge Ram 1500 Models (2002-2010)

Mishimoto

Regular price $217.00 $196.95 9% off

Unit price
per 

Mishimoto Dodge Dakota Replacement Radiator 1997-1999
Mishimoto Dodge Dakota Replacement Radiator 1997-1999

Mishimoto Replacement Radiator: Dodge Dakota (97-99) / Durango (98-99)

Mishimoto

Regular price $236.00 $214.95 9% off

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per 

Mishimoto Dodge Dakota Replacement Radiator 2000-2004
Mishimoto Dodge Dakota Replacement Radiator 2000-2004

Mishimoto Replacement Radiator: Dodge Dakota / Durango 2000-2004

Mishimoto

Regular price $224.00 $203.95 9% off

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Granatelli Motor Sports 160 Deg Thermostat: Fits Most Hemi Models
Granatelli Motor Sports 160 Deg Thermostat: Fits Most Hemi Models
usa

Granatelli Motor Sports 160 Deg Thermostat: Fits Chrysler / Dodge / Jeep / Ram (05-21)

Granatelli Motor Sports

Regular price $52.50 $49.88 5% off

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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 Black Silicone Hose Kit: Jeep Wrangler 1997-2002

Mishimoto

Regular price $158.00 $143.95 9% off

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

Mishimoto Blue Silicone Hose Kit: Jeep Wrangler 1997-2002

Mishimoto

Regular price $158.00 $143.95 9% off

Unit price
per 

Cooling Upgrades for 4.7L, 5.2L, and 5.9L Magnum V8 Engines

The 4.7L, 5.2L, and 5.9L Magnum engines represent a cornerstone of classic Mopar durability, powering trucks and SUVs with reliable torque and longevity. Upgrading the cooling system on these legacy Chrysler small blocks is essential to maintain optimal engine temperatures, especially during heavy-duty use or performance driving.

Why Upgrade Cooling Components on Your Magnum V8?

Magnum engines are known for their robust design, but aging cooling systems can struggle to dissipate heat effectively under demanding conditions. Upgraded radiators, water pumps, and thermostats help improve coolant flow and temperature regulation, reducing the risk of overheating and protecting critical engine parts.

  • Enhanced heat dissipation for sustained heavy loads
  • Improved coolant circulation with high-flow water pumps
  • Thermostats calibrated for optimal operating temperature
  • Durable hoses and clamps to prevent leaks and failures

Key Cooling System Components for Magnum Engines

Cooling upgrades for the 4.7L, 5.2L, and 5.9L Magnum engines include a variety of parts designed to work together for maximum efficiency. High-capacity radiators increase coolant volume and flow, while electric or mechanical fans provide consistent airflow at low speeds or idle. Selecting the right combination ensures your engine stays cool in all conditions.

Maintaining Your Magnum Cooling System: Tips and Parts at FastHemis

Regular maintenance and timely upgrades keep your Magnum engine running strong and prevent costly repairs. Whether you’re restoring a classic truck or enhancing a daily driver, FastHemis offers cooling solutions tailored to these Mopar small blocks. Shop our collection of radiators, water pumps, fans, and more to keep your 4.7L, 5.2L, or 5.9L Magnum cool and reliable.

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