Water Pump Repair Kit – Fits Mercury/Mariner 25-50HP (Replaces Mercury 821354A2) 185-400HP making note of their order

making note of their order and orientation

They are typically replaced only when they fail

Securely fasten the new clamps

Brand Part Number MerCruiser 8503991 MerCruiser 8M0113734 Volvo Penta 3853850 Sierra 18-3599-1 Sierra 18-3599-2 Crusader 20318 Crusader 7142520 Pleasurecraft RA057018

Lightly lubricate the new O-rings with clean engine oil before installing the new injector

Water Pump Repair Kit – Fits Mercury/Mariner 25-50HP (Replaces Mercury 821354A2) 185-400HP making note of their orderProduct Details This Water Pump Repair Kit Fits Mercury Mariner 25 50HP Outboards (Replaces 821354A2) is designed to restore the cooling system performance of your engine. It provides a direct fit for Mercury Mariner 25 50HP 2 stroke and 4 stroke outboards from 19942018, as well as Force 40 50HP 2 stroke engines from 19951997. This kit serves as a direct cross reference for Mercury parts 821354A2, 821354A1, and 821354A04. It also interchanges with