Mercury - Water Pump Upper Repair Kit Cooling System Marine-Grade Components 96148T8. Overview. There's a certain peace you feel when your outboard is running cool and steady, especially after a long run across open water. No alarms, no surprises-just that familiar hum that tells you everything below the deck is doing its job. The Mercury 96148T8 Water Pump Upper Repair Kit helps restore that confidence. Whether you're reviving an older 65hp workhorse or maintaining a V6 built for speed, this ki