ZF Intarder Oil Cooler 501217248. OEM-grade intarder oil cooler for ZF Intarder 3 retarder systems. Fits DAF XF/CF, MAN TGX/TGS, and IVECO Stralis/Trakker heavy trucks. Stainless steel constr... Request a Quote for Europe — send your OE number, quantity and destination country for a trade price.