Must send old pump / core back as an exchange.
This is a brand new OEM VOLVO PENTA raw water / sea water pump that was used on a wide range of Volvo Penta engines. This pump runs off the crankshaft. The pump comes with the impeller pre-lubed and ready to install. If you have any fitment questions or need a pump for another model please send me a message.
Part Number: 857451
Superseded Part Numbers: 855722 856952 (Note: if you are replacing an older model pump with this new model pump your long crankshaft bolts will need replaced with the new style (shorter) crankshaft mounting bolts)
Symptoms of a bad raw water pump: Pump may leak water out of the weep hole, growling or howling sound from bad bearing, engine overheats or high exhaust temperature due to low output.
Rebuild Service: I also offer a service to rebuild your existing raw water pumps. Please review my other listings to see this service or send me a message. It is a flat rate repair and the following parts are replaced; Bearing, Seal, O-ring, Impeller, Retainer Ring & Bolts. Here is a list of some of the other Volvo Penta Part numbers for the following engines. (3.0L, 4.3L, 5.0L, 5.7L, 8.1L) 21214599, 3857202, 3862482, 3812693, 21212799, 3812519, 21214596, 3862487, 3812697, 21255090, 3812520, 21214601, 3860795, 3862484, 3812695, 21212800, 3812518, 21214595, 3862485, 3812696, 21212798, 3812522