The Air Filter CF1830 Cross Reference AF27973 SA17309 RS30306 A0040943904,Application For MAN 24.440-HOCLN R37-2006/01(D2066LOH 324kW 440hp E4 eng). Ayats Atlas | 2-2006/01(MAN D2676LOH 353kW 480hp E4 eng). Claas Xerion | 4500-782(Caterpillar C13 355kW 483hp E4; E5 eng).