Ensure optimal performance and reliability for your industrial engine with the genuine Yanmar SRV-1B Decompression Valve Assembly. This authentic OEM part, identified by part number 44100-555543, is essential for facilitating easier engine starting and performing maintenance. It features a robust, green-painted cast iron body for maximum durability in harsh environments, a manual T-handle adjustment screw for precise control, and a high-quality brass fitting. As a genuine part made in Japan, it guarantees a perfect fit and function, upholding the high standards of Yanmar engineering.