Water Pump Impeller Repair Kit – Fits Mercury/Mariner 15 HP Outboards (Replaces 8M0070780, 42038Q3) 310HP Apply the decal to the

Apply the decal to the required location

5 to 20 HP

visible cracks on the impeller blades

and test the alarm system per your boat's manual

) 25 4-Stroke 2003 & Up (0R106999 & Up) 803529T04 Mercury 25 Jet EFI (3 CYL

Water Pump Impeller Repair Kit – Fits Mercury/Mariner 15 HP Outboards (Replaces 8M0070780, 42038Q3) 310HP Apply the decal to theProduct Details This Water Pump Impeller Repair Kit is engineered for Mercury and Mariner 15 HP two stroke outboard motors. It includes all the essential components to service the lower unit water pump assembly, addressing a worn or damaged impeller to restore engine cooling performance. This kit is a direct replacement for Mercury part numbers 8M0070780, 42038T3, and Quicksilver aftermarket number 42038Q3. Installation Location: Lower unit gearcase.