س1: What engine does this oil pump fit? أ1: It is for Cummins ISF3.8 / QSF3.8 diesel engine, widely used on Foton trucks and construction machinery. It is NOT suitable for ISF2.8 engine.
Q2: Are 5302892, 5588790, 5525373 و 5286816 قابلة للتبديل بالكامل? A2: They are alternative OEM numbers for ISF3.8 oil pump, but they are different production versions. Not 100% interchangeable blindly. Please provide the engine serial number to confirm the correct one before ordering.
س3: What is the function of this oil pump? A3: It delivers pressurized lubricating oil to crankshaft, camshaft, piston and other moving parts of the engine, to reduce friction and prevent engine seizure.
س 4: What signs mean the oil pump needs to be replaced? A4: Low oil pressure alarm, abnormal engine noise, oil starvation, ارتفاع درجة الحرارة, or wear damage found during engine overhaul.
س5: Do you supply gaskets / seals together with the oil pump? A5: Normally we supply matching gasket together. You can inform us if you only need the oil pump body without gasket.
س6: Is this original Cummins part or replacement part? أ6: This is high-quality aftermarket replacement spare part, neutral packing, not original Cummins genuine.
س7: What is your lead time? أ7: If in stock, lead time is 3–7 working days. If out of stock, we will advise the production lead time separately.
Q8: What is your warranty term? أ8: 6–12 months warranty against manufacturing defects, warranty does NOT cover damage caused by improper installation, wrong application or dirty oil.
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