Oil Pump 3686938 for Engine QSZ13 QSX15 QSX11.9 ISX15 ISZ13

Keywords: 3686938 engine oil pump, QSZ13 QSX15 QSX11.9 ISX15 ISZ13 oil pump, excavator diesel engine lubrication spare parts, heavy‑duty construction machinery engine replacement parts

🔹Product Overview

Oil Pump Part No.3686938 is an essential lubrication component for QSZ13, QSX15, QSX11.9, ISX15, ISZ13 heavy‑duty diesel engines, widely applied on large excavators, heavy trucks, generator sets and mining engineering machinery. It delivers pressurized lubricating oil to crankshaft, connecting rod, camshaft and other moving assemblies for lubrication, cooling and friction reduction. This oil pump solves common defects such as insufficient oil pressure, engine metallic knocking noise and accelerated wear of internal components caused by original oil pump gear wear or internal leakage. Each oil pump undergoes strict oil‑pressure performance testing before carton packaging and shipment.

🔹Detailed Specifications

🔹Key Features & Advantages

• High‑strength alloy cast housing and precision‑machined gear set, excellent wear‑resistance and structural stability under long‑term heavy‑load working conditions.
• Precise gear processing technology, stable oil delivery flow and pressure, guarantee full lubrication for every friction pair of large‑displacement heavy‑duty engine.
• Effectively eliminate low oil pressure, abnormal engine noise and premature component damage triggered by defective original oil pump.
• Optimized internal sealing design, reduce oil leakage loss, effectively prolong the service life of the whole engine.
• Perfect fit for QSZ13 / QSX15 / QSX11.9 / ISX15 / ISZ13 engine lubrication system overhaul and maintenance projects.
• Excellent interchangeability, direct replacement installation.

🔹Application Scope

Fit Equipment: Large excavators, heavy‑duty trucks, generator sets and mining machinery equipped with QSZ13, QSX15, QSX11.9, ISX15, ISZ13 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.