For a reliable replacement for your 1994-2021 5.9/6.7 Cummins, choose the Cummins 3906697 Water Inlet Connection O-Ring. This direct-fit part is crafted from high-quality materials to ensure a perfect seal and maintain factory performance. Designed to meet stringent standards, it guarantees durability and a secure fit, keeping your engine running smoothly. Trust Cummins for top-notch quality and precision—order your Water Inlet Connection O-Ring today for optimal engine function.