Replacement Heater Matrix for Series 3 – DA2155

Thomas Performance Ltd Verified independent store

→

The heater matrix is the heat exchanger unit within the cabin heater assembly, responsible for transferring engine coolant heat into the vehicle interior via the blower system. On Series 3 Land Rovers, matrix failure typically presents as coolant loss, fogged windows, a sweet smell inside the cab, or wet footwell carpets caused by internal leakage. Correct replacement restores heating performance and prevents further coolant system contamination. Key Features Direct replacement matrix manufactured to fit the Series 3 heater box assembly Supplied as a single unit requiring removal of the heater box for access and installation Supplied under Britpart reference DA2155, matching original fitment specifications When replacing the matrix, inspect heater hoses and coolant pipes for deterioration and replace as necessary Vehicle Fitment This heater matrix is fitted to Land Rover Series 3 models; refer to the part number DA2155 and your vehicle's build specification to confirm compatibility before ordering. Not sure about fitment? Feel free to get in touch at [email protected] Show more