JIELIN 505 Piston - Longkou Series

This product is a precision piston pair produced by JIELIN with model number 505, compatible with Longkou series fuel injection pumps. As a core component of the fuel injection system, this piston is made of high-quality alloy steel and precision ground, ensuring stable fuel injection pressure and good atomization effect, thereby improving engine combustion efficiency and reducing emissions. This piston is a commonly used replacement part for repairing Bosch, Witt, and other brands of fuel injection pumps and is suitable for the fuel systems of various construction machinery and commercial vehicle engines.