Product Specification

Engine Oil Pump 3609833 for Cummin s NT855 NTA855 Diesel Engine

The Engine Oil Pump 3609833 is a premium-quality replacement lubrication pump designed for Cummin s NT855 and NTA855 diesel engines. Engineered to meet OEM specifications, it delivers consistent oil pressure and efficient lubrication, helping protect critical engine components under heavy-duty operating conditions.

Manufactured from high-strength materials with precision-machined internal gears, this oil pump ensures reliable oil circulation, reduced engine wear, and extended engine service life. It is an ideal replacement during engine overhaul, preventive maintenance, or repair of construction equipment, mining machinery, marine engines, power generation systems, and heavy-duty trucks. Part number 3609833 is widely referenced for NT855/NTA855 lubricating oil pump applications and cross-references with several OEM numbers used on these engines.

Key Features

• OEM-quality replacement for Cummin s lubricating oil pump
• Stable oil pressure for maximum engine protection
• Precision-machined gears for efficient oil circulation
• High-strength housing for long service life
• Direct-fit replacement with no modification required
• Designed for heavy-duty diesel engine applications
• 100% quality inspected before shipment
• Suitable for engine overhaul and preventive maintenance

Suitable for:

• Cummin s NT855 Diesel Engine
• Cummin s NTA855 Diesel Engine
• Heavy-Duty Trucks
• Construction Equipment
• Mining Equipment
• Generator Sets
• Marine Diesel Engines
• Industrial Power Units

Reference OEM Part Numbers

• 3609833
• 3803369
• 3821579
• 3068460
• 3027421

(Please verify the OEM part number and engine model before ordering.)

Complete Diesel Engine Parts Solution

As a professional supplier of diesel engine spare parts, We provides a complete range of replacement components for engine repair, overhaul, and maintenance.

Engine Components

• Cylinder Block
• Cylinder Head
• Crankshaft
• Camshaft
• Connecting Rod

Engine Rebuild Kits

• Full Gasket Kit
• Piston
• Cylinder Liner
• Piston Ring
• Main Bearing
• Connecting Rod Bearing
• Thrust Washer

Lubrication System

• Oil Pump
• Oil Nozzle

Valve Train

• Engine Valve
• Valve Guide
• Valve Seat
• Valve Spring
• Valve Lock
• Valve Cap
• Tappet
• Push Rod
• Rocker Arm Assembly

Fuel Injection System

• Fuel Injector
• Nozzle Sleeve

Engine Brands We Supply

We supply parts for Kubota, Cummin s, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vol vo, Deutz, Doosan, Daewoo, John Dee re, Scania, Hyundai, and JCB.

FAQ

1. Is this oil pump compatible with Cummin s NT855 and NTA855 engines?

Yes. This oil pump is designed for Cummin s NT855 and NTA855 diesel engines. Please confirm your engine model and OEM part number before ordering.

2. Which OEM numbers does this oil pump replace?

Common replacement numbers include 3609833, 3803369, 3821579, 3068460, and 3027421. Always verify compatibility using your engine serial number or original part number.

3. What are the symptoms of a failing oil pump?

Common signs include low oil pressure, illuminated oil warning light, abnormal engine noise, insufficient lubrication, and accelerated engine wear.

4. Do you provide wholesale and OEM services?

Yes. We offer wholesale supply, OEM/ODM services, customized packaging, and global shipping for distributors and engine parts dealers.

5. Can you supply other Cummin s NT855 engine parts?

Yes. We supply overhaul kits, gasket kits, crankshafts, pistons, liners, bearings, connecting rods, cylinder heads, valves, injectors, fuel pumps, water pumps, and many other engine components.

6. What warranty do you provide?

Our engine oil pumps are quality tested before shipment and include a 6-month warranty under normal operating conditions.

Why Choose Us

We specialize in supplying high-quality diesel engine replacement parts for the global aftermarket. Every oil pump is manufactured to meet OEM specifications and undergoes strict quality inspection before shipment, ensuring reliable performance, accurate fitment, and long service life.

Whether you are an engine rebuilder, equipment dealer, wholesaler, or repair workshop, we provide dependable products, competitive pricing, stable inventory, and professional customer support to help keep your business running efficiently.