Description
Product Overview
Part Name: Diesel Engine Oil Pump
Part Numbers: 4003950, 3882341
Vehicle Compatibility: Cummins Engines: L10, M11, and ISM series diesel engines (2000–2020); commonly used in heavy-duty trucks, buses, construction equipment, marine engines, and power generation applications
Configuration: OEM-style heavy-duty oil pump designed for Cummins L10, M11, and ISM engines, providing consistent lubrication and oil pressure under high-load conditions
Function: Circulates engine oil through critical components to reduce wear, improve cooling, and extend service life of high-performance Cummins engines
Technical Specifications
Type: Heavy-duty mechanical oil pump
Material: Cast iron housing with precision-machined internal gears
Application: Fits Cummins L10, M11, and ISM engines manufactured between 2000–2020 using oil pump references 4003950 and 3882341
Installation: Direct-fit OEM-style replacement; installs with factory bolts and aligns with original oil passages for reliable lubrication
Service Interval: Replace during engine rebuild or when low oil pressure, pump wear, or lubrication issues are detected
Delivery & Availability
Stock Options: High-quality Cummins oil pumps available for L10, M11, and ISM series engines
Delivery Time: 3–7 days internationally
Payment & Security
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