What is EPDM rubber and why is it used for heater hoses?

EPDM (ethylene propylene diene monomer) rubber is a synthetic rubber known for its excellent resistance to heat, ozone, and weathering. This makes it a durable material for heater hoses that are exposed to engine bay temperatures and coolant.

Do I need any special tools to install this heater hose?

Typically, installing a heater hose involves basic hand tools like pliers to remove hose clamps and a screwdriver or socket set. It's always a good idea to refer to the vehicle's service manual for specific installation procedures and recommended tools.

What else should I check when replacing a heater hose?

When replacing a heater hose, it's a good time to inspect other cooling system components. Check the condition of the other heater hose, radiator hoses, the radiator itself, water pump, and thermostat for any signs of leaks or wear.

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Trusted Since 1957

Est. 1957

Gates 03-13 Chevrolet Silverado V-6 4.3L Eng. To Heater Molded Heater Hose

Specifications

Brand: Gates
Part #: 19317
UPC: 00072053825770

Gates 03-13 Chevrolet Silverado V-6 4.3L Eng. To Heater Molded Heater Hose

Name: Gates 03-13 Chevrolet Silverado V-6 4.3L Eng. To Heater Molded Heater Hose
Brand: Gates
Price: 34.94 USD
Availability: InStock

$34.94

On Backorder

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

Fits 03-13 Chevrolet Silverado 1500. This molded heater hose connects your engine to the heater core.

Key Features

Fits 2003-2013 Chevrolet Silverado 1500 and GMC Sierra 1500 with 4.3L V6 engine.
Constructed from heat and ozone-resistant EPDM rubber.
Molded shape ensures a direct fit and prevents kinking.
Replaces the original equipment heater hose for reliable coolant flow to the heater core.

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Will this fit your vehicle?

Product Details

This molded heater hose from Gates is built with EPDM rubber, which is known for its resistance to heat and ozone. It's specifically shaped to connect the engine's coolant system to the heater core on your 2003-2013 Chevrolet Silverado 1500 or GMC Sierra 1500 with the 4.3L V6 engine. Replacing a cracked or leaking heater hose is important because coolant leaks can lead to overheating and damage to your engine.

Gates designs these hoses to match the original equipment's form and function, ensuring a straightforward installation. The molded shape means you won't have to fight with a hose that wants to kink or collapse, which can happen with universal hose types. This hose is a direct replacement, so it fits right where the original did, making the job simpler.