Description
Product Overview
Part Name: Diesel Engine Oil Pump / Lubricating Pump
Part Numbers: 3687527, 4309500, 4955954, 3800753, 5532492, 2881757
Vehicle Compatibility: Cummins Engines: QSX15 and ISX15 series (2000–2020); widely applied in heavy-duty trucks, excavators, mining equipment, industrial power units, and marine propulsion requiring high-capacity oil lubrication systems
Configuration: OEM-style heavy-duty oil pump designed to supply consistent oil pressure and lubrication for Cummins high-horsepower QSX15/ISX15 engines under demanding operating conditions
Function: Circulates engine oil to critical moving components, reducing friction, preventing wear, and ensuring stable operation in high-load, continuous-use environments
Technical Specifications
Type: Heavy-duty mechanical gear oil pump
Material: High-strength cast iron/aluminum body with precision-machined gears
Application: Fits Cummins QSX15 and ISX15 engines manufactured between 2000–2020 using oil pump references 3687527, 4309500, 4955954, 3800753, 5532492, and 2881757
Installation: Direct-fit OEM-style replacement; installs with factory bolts and aligns with lubrication passages for accurate oil delivery
Service Interval: Replace during overhaul or when oil pressure drops, pump wear, or lubrication failure symptoms are detected
Delivery & Availability
Stock Options: High-quality Cummins oil pumps available for QSX15 and ISX15 diesel engines
Delivery Time: 3–7 days internationally
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.





