Johnson and Evinrude Outboard Cooling System Blow-Off Valves

This page features a curated selection of brand-new, OEM-spec Johnson & Evinrude e-Tec blow-off valves, engineered for reliable pressure relief and optimal engine performance in a full range of models—from compact 40 HP units to high-output 300 HP configurations. Choose from WSM kits tailored to 2004–2005 40–60 HP e-Tec outboards or WSM blow-off valves designed for 2009–2013 200–300 HP 3.3 & 3.4L e-Tec engines, plus the versatile BRP valve covering 2002–2017 40–300 HP models. All products ship at a flat rate of $7.95 within the contiguous U.S., with additional shipping costs calculated at checkout for Alaska, Hawaii, and international addresses. Whether you're replacing a valve, repairing your cooling system, or tuning for peak performance, these OEM parts deliver precision fit and manufacturer reliability.