What is the primary function of this upper coolant hose?

This hose connects your engine's thermostat housing to the radiator. Its main job is to allow coolant to flow from the engine to the radiator for cooling, and then back to the engine.

Why is a molded hose better than a universal one?

A molded hose is shaped to match the original factory routing. This prevents kinks, ensures proper fitment without stretching or stress, and makes installation easier compared to a universal hose that needs to be bent or cut.

What kind of coolant should I use with this hose?

This hose is designed to be compatible with standard automotive coolants. Always refer to your vehicle's owner's manual for the specific type and mixture of coolant recommended for your Jeep.

Gates 05-09 Jeep Grand Cherokee V-8 4.7L Upper Molded Coolant Hose

Specifications

Brand: Gates
Part #: 23037
UPC: 00770075144311

Gates 05-09 Jeep Grand Cherokee V-8 4.7L Upper Molded Coolant Hose

Name: Gates 05-09 Jeep Grand Cherokee V-8 4.7L Upper Molded Coolant Hose
Brand: Gates
Price: 20.66 USD
Availability: InStock

$20.66

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 05-09 Jeep Grand Cherokee V8 4.7L. This upper molded coolant hose from Gates ensures proper engine cooling.

Key Features

Fits 2005-2009 Jeep Grand Cherokee and 2006-2008 Jeep Commander with the V-8 4.7L engine.
Molded design follows the original factory routing for a direct fit.
Constructed with heat-resistant EPDM rubber for durability in high-temperature environments.
Inner tube is formulated to resist coolant degradation and corrosion.
Outer cover provides protection against abrasion and ozone exposure.

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Fits these vehicles

Jeep Commander 2006-2008
Jeep Grand Cherokee 2005-2009

Product Details

This Gates molded coolant hose is specifically shaped for the V-8 4.7L engine in your 2005-2009 Jeep Grand Cherokee. It connects your engine's thermostat housing to the radiator, allowing coolant to circulate and keep your engine from overheating. Because it's molded to the exact factory specifications, it follows the natural bends and curves of your engine bay, preventing kinks or stress on the hose material.

Gates uses a heat-resistant EPDM rubber construction for this hose. This material is chosen because it can handle the high temperatures and constant pressure cycles found in a cooling system without degrading over time. The inner layer is designed to resist the corrosive effects of coolant additives, while the outer cover offers protection against abrasion and ozone. This means you get a hose that's built to last through many heat cycles and miles.

When you're replacing a coolant hose, it's a good idea to inspect the surrounding components. Check your radiator cap, thermostat, and other hoses for signs of wear or leaks. Replacing worn parts at the same time can save you a lot of headaches down the road.