Oil Pump 3971544 for QSB6.7 PC200‑8 6D107 Engine

Keywords: 3971544 engine oil pump, QSB6.7 6D107 oil pump, PC200‑8 excavator oil pump, excavator diesel engine lubrication spare parts, heavy‑duty construction machinery engine replacement parts

🔹Product Overview

Oil Pump Part No.3971544 is a core lubrication component for QSB6.7 / 6D107 diesel engines, widely fitted for PC200‑8 excavator and other heavy‑duty construction machinery. It supplies pressurized lubricating oil for crankshaft, connecting rod, camshaft and other moving components to realize lubrication, cooling and friction reduction. This oil pump solves typical failures including insufficient oil pressure, abnormal engine knocking and accelerated component wear caused by original oil pump gear abrasion or internal leakage. Every oil pump has passed strict pressure performance inspection before carton packaging and shipment.

🔹Detailed Specifications

🔹Key Features & Advantages

• ✅ High‑strength cast steel housing and precision gear, outstanding wear‑resistance and structural stability under long‑time heavy‑load working conditions.
• ✅ High‑precision gear machining, stable oil delivery volume and pressure, guarantee adequate lubricant supply for all engine friction pairs.
• ✅ Effectively avoid low oil pressure, engine abnormal noise and premature parts damage caused by defective original oil pump.
• ✅ Optimized internal sealing structure, reduce oil leakage loss, help to extend overall engine service life.
• ✅ Perfect match for QSB6.7 / 6D107 engine lubrication system overhaul and maintenance projects.
• ✅ Good interchangeability, direct replacement for original spare part.

🔹Application Scope ‑

Fit Equipment: PC200‑8 excavator and other heavy‑duty machinery equipped with QSB6.7 / 6D107 diesel engine ‑ Widely used for machinery repair shops, engine rebuilding factories and heavy‑duty equipment overhaul services.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying engine parts, hydraulic parts, electrical parts, seal kits and complete overhaul kits. ‑ Large ready stock for various machinery spare parts ‑ Factory‑direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping ‑

Export carton with shock‑proof protective packaging, prevent gear deformation and surface scratch during long‑distance transportation ‑ Multiple shipping options: sea freight, air freight, international express for small trial orders ‑ Export documents such as Commercial Invoice, Packing List can be provided.

🔹Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.