Description
Part Name: Diesel Engine Oil Pump
Part Numbers: 4939587, 5266566, 6738-51-1100
Vehicle Compatibility: Cummins Engines: 6C, ISC, and ISL diesel engines (2000–2020); widely applied in trucks, buses, excavators, agricultural machinery, construction equipment, and industrial power units
Configuration: OEM-style heavy-duty oil pump engineered for Cummins 6C/ISC/ISL series, delivering consistent lubrication and oil pressure for reliable engine performance under heavy-duty conditions
Function: Ensures proper circulation of engine oil to bearings, pistons, and camshaft components, reducing wear, controlling temperature, and extending service life
Technical Specifications
Type: Heavy-duty mechanical gear oil pump
Material: High-strength cast iron housing with precision-machined steel gears
Application: Fits Cummins 6C, ISC, and ISL diesel engines manufactured between 2000–2020 using pump references 4939587, 5266566, and 6738-51-1100
Installation: Direct-fit OEM-style replacement; mounts with factory hardware and integrates seamlessly with Cummins lubrication systems
Service Interval: Replace when oil pressure drops, leakage occurs, or pump wear is detected; also recommended during major overhauls
Delivery & Availability
Stock Options: High-quality Cummins oil pumps available for 6C/ISC/ISL series 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.