OE part number 1500NK. OE Fuel Additive Tank & Pump suitable for the following Peugeot 407, Coupe, SW - 2004 onwards - 1.6, 2.0, 2.2, 2.7 HDi. Peugeot 508 & SW I - 10-18 - 1.6, 2.0, 2.2 HDi. Failure to do so may cause issues when fitting this part and will invalidate your warranty.