Description
Product Overview
Part Name: Diesel Engine Oil Pump
Part Numbers: 3821579, AR10172, AR9835, 3821572, 3042378, 3803369, 3609833
Vehicle Compatibility: Cummins Engines: NH220, NT855, and 855 Big Cam diesel engines (2000–2020); widely applied in heavy-duty trucks, buses, construction machinery, industrial generators, and marine propulsion units
Configuration: OEM-style heavy-duty oil pump engineered for Cummins 855 series engines, ensuring consistent oil circulation and stable lubrication under high-load operations
Function: Maintains optimal oil pressure, reducing friction and wear while improving heat dissipation for longer service life of Cummins Big Cam and NH/NT engines
Technical Specifications
Type: Heavy-duty mechanical gear oil pump
Material: Cast iron housing with hardened, precision-machined gears for durability
Application: Fits Cummins NH220, NT855, and 855 Big Cam engines manufactured between 2000–2020 using the listed pump references
Installation: Direct-fit OEM-style replacement; mounts with factory bolts and aligns with oil passages for proper lubrication flow
Service Interval: Replace during engine overhaul or when low oil pressure, pump wear, or lubrication system failure occurs
Delivery & Availability
Stock Options: High-quality Cummins 855 series oil pumps available
Delivery Time: 3–7 days internationally
Payment & Security
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