What does this hose do?

This is the bottom heater hose. It carries hot engine coolant to the heater core inside your car to provide heat, and then carries it back to the engine. It's a key component for your vehicle's cabin heating system.

Why is a molded hose important?

A molded hose is shaped specifically to fit the contours of your engine bay. This ensures it follows the correct path without kinking or rubbing against other parts, which is essential for maintaining proper coolant flow and preventing premature hose failure.

What else should I check when replacing a heater hose?

When you're working on the cooling system, it's a good time to inspect all other coolant hoses for signs of wear, such as cracks or swelling. Also, check the condition of your thermostat and radiator cap, as these can affect overall cooling system performance.

2006-2009 Mazda 3 Heater Hose | Gates

Name: Gates 07-09 Mazda 3 4-Cyl. 2.0L Heater (Bottom) Molded Coolant Hose
Brand: Gates
SKU: gates-gates-07-09-mazda-3-4-cyl-2-0l-heater-bottom-molded-coolant-hose-t14-878302
Price: 133.28 USD
Availability: BackOrder

Gates 07-09 Mazda 3 4-Cyl. 2.0L Heater (Bottom) Molded Coolant Hose

$133.28

On Backorder

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

Fits 2006-2009 Mazda 3 4-Cyl. 2.0L. This is the bottom molded heater hose from Gates, essential for your heating system.

Key Features

Fits 2006-2009 Mazda 3 4-Cyl. 2.0L.
Direct-fit molded design matches original equipment routing.
Durable rubber construction withstands heat and pressure.
Essential for proper heating system operation.
Gates brand ensures reliable performance.

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Will it fit your car?

Fits these vehicles

Mazda 3 2006-2009

Product Details

This is the bottom molded heater hose for your 2006-2009 Mazda 3 with the 2.0L 4-cylinder engine. It's a crucial part of your vehicle's heating system, carrying hot coolant from the engine to the heater core inside the cabin, and then back again. If your old hose is cracked, leaking, or collapsing, replacing it with this direct-fit hose from Gates will restore proper function to your heater and prevent potential coolant loss.

Gates is a well-known name in coolant hoses, and this molded hose is built to match the original equipment specifications. The molded shape means it follows the specific routing needed in your Mazda 3, ensuring it won't kink or rub against other components. This is important because a kinked hose can restrict coolant flow, leading to poor heating performance or even engine overheating. Made from durable rubber compounds, it's designed to withstand the high temperatures and pressures found in your cooling system over time.

When you're replacing a heater hose, it's a good idea to inspect the other coolant hoses in your system, as well as the thermostat and radiator cap, to catch any other potential issues before they leave you stranded.