Primary OE Number 2712000315. Part Verification: Compatibility tables are for reference only. SLK-Class (R172): SLK200, SLK250 (2011-2021). E-Class (W212): E200, E250 (2009-2019). Engine Coolant Thermostat Housing 11530139877 For BMW E46 E39 E60 X3 X5 Z3 Z4.
