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2L (377 CID) 320+ 4-Stroke 1983 and up 70981A3 Chevy V8 MerCruiser 7
a breaker bar or impact wrench
including Chevy 454
or whenever the thermostat itself is replaced
Water Pump O-Ring – Fits Yamaha Outboard 15HP-220HP (Replaces 93210-37M67, 18-7483, 84300) 70-300HP 2L (377 CID) 320+ 4-StrokeProduct Details This Water Pump O Ring is an aftermarket replacement designed for Yamaha outboard engines ranging from 15HP to 220HP, spanning model years from the mid 1980s through the early 1990s. It provides a precise seal for fuel system and water pump assemblies across a wide range of Yamaha outboards and WaveRunner models. This O ring directly replaces Yamaha OEM 93210 37M67, Sierra 18 7483, and GLM 84300. Constructed from durable rubber for
