Is a fault here a safety issue?

No, it’s not critical to safety, just comfort and noise levels.

Foamed polymer material or felt.

Is this insulation replaced separately from the rest of the heater unit?

It’s usually replaced as part of repairing or replacing the main heater unit, not on its own.

Our catalog has a wide range of this part type for all popular brands and models, including VAG (VW, Audi, Škoda), Opel, Toyota, and more.

3 results

This insulation reduces heat loss and noise from the fan and airflow inside the heater housing.

Our catalog has a wide range of this part type for all popular brands and models, including VAG (VW, Audi, Škoda), Opel, Toyota, and more.

Fits inside or outside the heater housing when it’s removed for repair.

OEM inspection
Every part is tested and matches OEM standards.
Guaranteed quality
On all parts without exception
15–20 min install
Plug-and-play connection
Free compatibility check.
Send us your car's make and model and we'll find the right part

It reduces noise from the airflow and fan, and helps retain heat inside the housing for more effective heating.