Quick view Add to Cart Sierra 18-3471 Yamaha Water Pump Repair Kit w/Housing $248.49 $173.99 Sierra 18-3471 Yamaha 4-Stroke Water Pump Repair Kit w/Housing Sierra replacement water pump repair kit for Yamaha 4-Stroke engines. Includes water pump housing. Fits: Late Model Four-Stroke 225-350 HP Yamaha Engines Direct Fit Replacement for OEM... Add to Cart