230A; 230B; 250A; 250B Cooling System Oil Cooler: 856831 Parts on group Oil Cooler: 856831: Pos. Part No Qty Parts name Comments 1. 856831 [1] Oil cooler 1A. 925255 [1] O-ring 2. 3. 824514 [1] Insert 4. 925092 [2] O-ring 5. 831044 [1] End cover 6. 856825 [1] End cover 7. 824522 [1] Centre bolt 8. 955983 [1] O-ring 9. 949918 [1] Shut-off cock 10. 180759 [1] Plug Parts catalog : Oil Cooler: 834642 Oil Cooler: 856271 Cooling System, Induction- and Exhaust Manifold 250B Cooling System, Induction- and Exhaust Manifold 250A Cooling System, Induction- and Exhaust Manifold 230B Cooling System, Induction- and Exhaust Manifold: 230A/SP-A 230A Heat Exchanger and Water Filter with Installation Components: 230A/SP-A MT Heat Exchanger and Water Filter with Installation Components: B 230A, 230B Heat Exchanger and Water Filter with Installation Components 250A, 250B Induction- and Exhaust Manifold: 230A/SP-A MT Induction- and Exhaust Manifold: B 230A, 230B Induction- and Exhaust Manifold 250A, 250B