4H0898037A Audi RETAINER

Basically, this little piece holds the heater core securely in place within the HVAC system housing. It’s not a complicated part, but it does a vital job. It typically clips or snaps into place, keeping the heater core from shifting around inside. Sometimes there’s more than one, depending on the vehicle, and they might be plastic or metal. Think of the heater core as the radiator for your cabin heat. Hot coolant flows through it, and the blower motor pushes air across it to warm up your car. This retainer keeps that heater core from moving and potentially leaking, or getting damaged by rubbing against other components. It's part of the whole climate control system, making sure the heat gets where it needs to go, and stays there. Without this retainer, the heater core can shift, causing leaks, reduced heat output, or even damage to the surrounding parts. You’ll notice if it goes bad because you might smell coolant inside the car – that sweet, sickly smell – or you'll see a decrease in heating performance. It’s a relatively inexpensive part to replace, and definitely a preventative thing to address before it causes bigger problems. You can often find them pretty easily, we carry a bunch here, and Fixparts Online has a good selection too if you prefer to look there. It’s one of those things that, when it’s working, you don't think about it, but you’ll definitely know if it fails. Support that lasts: Retainer (MPN 4H0898037A) includes a 12-month warranty!

About Audi

Audi is a leading German automaker celebrated for crafting high-performance, luxury vehicles that combine advanced technology, elegant design, and exceptional driving experiences.

Why Choose Audi?

• Audi parts are made specifically for your vehicle, ensuring a perfect fit and optimal performance. • Using genuine Audi parts helps maintain your vehicle's value and original quality. • Audi parts are rigorously tested to meet high safety and durability standards, giving you peace of mind. • You’ll get reliable performance and keep your Audi running like new with parts designed by the original manufacturer. Audi delivers excellence, FixParts Online delivers to your door.