Part Name: Pressure Switch Part Number(s): 221-8859 2218859 Application / Compatibility: Designed for Caterpillar E320C and E320D Excavators; suitable for monitoring hydraulic or engine oil pressure within the machine’s critical systems Function: Measures and relays fluid pressure readings to the ECU or display unit, ensuring system safety, optimal performance, and early detection of abnormal pressure conditions Condition: Brand New / OEM Standard Replacement Machine Type: Excavator Technical Specifications: Voltage Rating: 12–24V DC Pressure Range: OEM-calibrated (commonly 0–40 bar) Thread Type: Standard Caterpillar metric thread Material: Durable brass housing with anti-corrosion finish Connector Type: 2-pin sealed connector Signal Output: Normally open (NO) or normally closed (NC), based on OEM requirement Installation: OEM bolt-in replacement Weight: Approx. 0.15–0.20 kg Category: Hydraulic / Engine System Components Shipping: Global Shipping Available | Delivery in 3–5 Days