Mercury Impeller Rebuild Service Kit for Hardin Pu
Mercury Impeller Rebuild Service Kit - For Gen II Hardin Stainless Pumps
This impeller kit is a rebuild service kit for the Hardin Marine stainless impeller housing 625-4178 and stainless pump NRP-4110 . This kit comes with new wear plates , O-rings, and impeller.
Which Rebuild kit do I need?
GEN I pumps have a 1/8" drain plug in the rear housing and a slotted front wear plate.
GEN II pumps have no drain plug and a solid front wear plate.