D13C1-A MP; D13C2-A MP; D13C3-A MP; D13C4-A MP; D13C6-A MP Lubricating System Oil Cooler D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP Parts on group Oil Cooler: Pos. Part No Qty Parts name Comments 1. 20742946 [1] Oil cooler 2. 20551483 [2] Sealing ring 3. 991606 [4] Flange screw 4. 47704420_002 Cover 5. 20523738 [1] Cover 6. 991606 [4] Flange screw Parts catalog : Oil Filter Protection Bracket D13C3-A MP, D13C4-A MP Oil Filter Housing and Installation Components D13C6-A MP Oil Filter Housing and Installation Components D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP Oil Filter Housing and Oil Filter D13C6-A MP Oil Filter Housing and Oil Filter,SN2013606820- D13C3-A MP, D13C4-A MP Oil Filter Housing and OIL Filter,SN-1013606819 D13C3-A MP, D13C4-A MP Oil Cooler D13C6-A MP Electrical Oil Bilge Pump 24V D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13C6-A MP