0G590000 and up (3 cyl) Mercury/Mariner 45HP 45 821354A2 Mercury/Mariner 50HP 50 2-Stroke 821354A2 Mercury/Mariner 50HP 50 4-Stroke 821354A2 Serial numbers: 0G590000 and up (3 cyl)
Please verify your specific model code and year
8 HP 2-Stroke outboard motors manufactured between 1975 and 1986
Product Type Transom Seal Bellows Kit Installation Direct replacement with clamp-on fitting Connection Clamp-on Housing Material Marine-grade neoprene rubber Housing Color Black Fitting Type Bellows with clamps Warranty 1 Year (aftermarket) Other Attributes Manufactured to OEM specifications using same materials as originals
Lubricate the new impeller and the inside of the pump housing with a water-based lubricant or glycerin
Water Pump Impeller Kit – Fits Yamaha 4-Stroke 70HP F70A (Replaces 6CJ-W0078-00, 6CJ-W0078-01, Sierra 18-3494) 3.3HP 0G590000 and up (3 cyl)Product Details This aftermarket Water Pump Impeller Kit is designed for Yamaha 4 Stroke outboard motors, including F70, F70A, F70LA, and F40G models from 2010 to current. It provides all necessary components for a complete water pump service to restore cooling system performance and prevent engine overheating. The kit serves as a direct cross reference for Yamaha OEM part numbers 6CJ W0078 00, 6CJ W0078 01, and 6CJ W0078 02, and it is an interchange