This aluminum thermostat housing coolant water flange is compatible with C3, C4, 206, and 307 vehicles equipped with 1.4L and 1.6L 6V engines.It replaces part numbers 1336.W3 and 1336W3.Applications include engines such as 1.6L 16V TU5JP4 and 1.4L 16V ET4J4.Compatible vehicle models: 1007, 206, 307, 307 Restyling, 405 MK1 (M59), Berlingo MK1, Berlingo MK2 (M59), C2, C3, C3 Pluriel, C4 MK1, Xsara II, and Xsara Picasso N68.The housing is used in the coolant system and is constructed from aluminum.Package includes: 1 x thermostat housing.