What is the primary function of the upper coolant hose?

The upper coolant hose carries hot coolant from the engine's thermostat housing to the radiator for cooling. It's a critical part of your vehicle's cooling system, helping to prevent engine overheating.

Why is a molded hose sometimes better than a universal hose?

Molded hoses are shaped to match the original equipment part's routing. This means they fit precisely without kinks or stress, making installation easier and ensuring proper coolant flow compared to universal hoses that may require cutting and fitting.

What signs indicate my coolant hose needs replacing?

Look for visible cracks, swelling, or a spongy texture on the hose. Leaks around the hose connections or a persistent coolant smell can also indicate a problem. It's best to replace hoses showing any signs of wear to prevent a breakdown.

2002-2006 Audi A4 Coolant Hose

Name: Gates 02-06 Audi A4 4-Cyl. 1.8L Upper Molded Coolant Hose
Brand: Gates
SKU: gates-gates-02-06-audi-a4-4-cyl-1-8l-upper-molded-coolant-hose-t14-878566
Price: 110.20 USD
Availability: BackOrder

Gates 02-06 Audi A4 4-Cyl. 1.8L Upper Molded Coolant Hose

$110.20

On Backorder

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

Fits 02-06 Audi A4. This upper molded coolant hose from Gates is a direct replacement for your aging or leaking original hose.

Key Features

2002-2006 Audi A4 upper molded coolant hose.
Fits 1.8L 4-cylinder engines.
Molded design ensures a direct fit and easy installation.
Built with durable materials to withstand engine heat and pressure.
Replaces the original equipment hose for reliable coolant flow.

Secure CheckoutFast Shipping631-982-0042

Will it fit your car?

Fits these vehicles

Audi A4 2002-2006
Audi A4 Quattro 2002-2005

Product Details

When you're tackling a cooling system service on your 2002-2006 Audi A4 with the 1.8L 4-cylinder engine, replacing the upper coolant hose is a smart move. Over time, these hoses can become brittle, crack, or swell, leading to leaks and potential overheating issues. This molded hose from Gates is built to fit your specific application, ensuring a proper seal and reliable coolant flow.

Gates uses durable materials in their hoses, designed to withstand the constant heat cycles and pressure found in your engine's cooling system. This particular hose is molded to the exact shape of the original equipment part, which makes installation much simpler. You won't have to fight with a hose that's trying to go in the wrong direction; it's shaped to connect your engine's thermostat housing to the radiator without kinks or stress.

Having a reliable coolant hose is crucial for keeping your engine running at the right temperature. If your current upper hose shows any signs of wear, like cracks or a spongy feel, it's a good idea to replace it before it fails. This Gates hose is a well-built option that offers a direct fit for your Audi A4.