Denso, Piezzo Common Rail Piezo Idle Shim

Denso, Piezzo CR Piezo Idle Shim - 077-135

Denso Piezo Common Rail (CR) Idle Shim is a critical calibration component used in Denso diesel unit injectors, designed to maintain injection pressure stability under high pressure and enhance the precision of the fuel system. By precisely regulating the amount of fuel injected at idle speed with micron-level accuracy, it ensures stable engine operation at all RPM levels, maximizes performance, and contributes to the optimization of emission levels. Specifically engineered for Denso piezo injection technologies, this high-precision component is a standard part of Denso common rail systems. Featuring superior surface quality and excellent wear and fatigue resistance, the adjustment shim is manufactured with high precision through a lapping process to meet strict tolerance requirements.