AQ145B Cooling System Oil Cooler Parts on group Oil Cooler: Pos. Part No Qty Parts name Comments 1. 834642 [1] Oil cooler 1A. 925255 [1] O-ring 2. 3. 824514 [1] Insert 4. 925092 [2] O-ring 5. 831044 [1] End cover 6. 831045 [1] End cover 7. 824522 [1] Centre bolt 8. 955983 [1] O-ring 9. 82744 [1] Shut-off cock Parts catalog : Sea Water Pump Heat Exchanger with Installation Components AQ145B Cooling System, Induction- and Exhaust Manifold AQ145B Induction- and Exhaust Manifold AQ145B