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Q1: What machine & engine does this pump fit? A1: It is HP0 common rail fuel pump for Komatsu SAA6D125E-3 engine, used on PC400-7 and PC450-7 excavator.
Q2: What is the difference between 094000-0462 (6156-71-1131) and 094000-0463 (6156-71-1132)? A2: Both fit SAA6D125E-3, but with different internal fuel injection calibration program. They are NOT interchangeable randomly. Confirm engine serial number before order.
Q3: Is this genuine Denso pump or aftermarket replacement? A3: This is high-quality aftermarket replacement pump, neutral packing, not original genuine Denso. We also have reman option available if you need.
Q4: What are the common failure signs that need to replace this injection pump? A4: Hard starting, no power under load, black smoke, engine speed dropping, rail pressure fault code, internal fuel leakage.
Q5: Do you test the pump before shipment? A5: Yes. Every pump is fully tested on HP0 test bench, including rail pressure, fuel delivery, leakage and solenoid function. Test report can be provided on request.
Q6: What is the lead time? A6: In stock: 3–7 working days. If out of stock, we will inform production lead time separately.
Q7: What does the warranty exclude? A7: Warranty does NOT cover damage caused by dirty fuel, wrong installation, wrong model matching, water entering fuel system or improper operation.
