The John Deere LVA17474 Relief Valve Kit is an authentic OEM component specifically engineered to maintain proper hydraulic pressure within compatible John Deere 4M and 4R Series Tractors. This essential kit helps protect the hydraulic system from over-pressurization, ensuring reliable and efficient operation of implements and attachments. Manufactured to John Deere's rigorous specifications, it guarantees a precise fit and long-lasting durability, crucial for the integrity of your machinery's hydraulic system. This kit is confirmed to fit models such as 4044R, 4049R, 4052R, and 4066R.