Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Transit MkIII (1985-1991) A4.55 - Heater Components 9 KnobWITH RECIRCULATING HEATER 1 11/85 - 8/89 6555486 88VW 18567 BC Ford Transit MkIII (1985-1991) A4.56 - Heater Components Knob - heater controlWITH RECIRCULATING HEATER 1 8/89 - 8/91 6555486 88VW 18567 BC