Maintain structural integrity and ensure uniform gasket compression across your pool pump housing with an authentic Hayward SPX1600Z4 Housing Cap Screw. Engineered from high-strength, corrosion-proof stainless steel, this 3/8"-16 x 2" hex-head bolt is designed specifically to secure the main strainer housing body to the seal plate assembly on Hayward Super Pump (SP2600X series) and MaxFlo (SP2800X series) pool pumps.