Eberspacher Airtronic M3 D4L D4R Diesel Heater Heat Exchanger | 252955990601

The Eberspacher Airtronic M3 heat exchanger 252955990601 delivers reliable heat transfer for M3 D4L and D4R diesel heaters. Compatible with 12V and 24V configurations across multiple part numbers (252955050000, 253035050000, 252956050000, 253039050000, 252957050000, 253036050000, 253051050000, 252958050000). Engineered for robust operation, it ensures efficient heat exchange and long service life in motor vehicle climate systems. Ideal for replacing worn units in diesel heaters to maintain cabin warmth, defroster performance, and overall heater efficiency. Durable construction supports continued performance in demanding conditions, with straightforward mounting within the Airtronic series. Choose this heat exchanger to keep your M3 D4L or D4R installations running smoothly and reliably.