Product Specification

Heavy Duty Lubricating Oil Pump for Cummin s K50 Series Engines

The Lubricating Oil Pump 3634643 is designed for Cummin s K50, KTA50, KT50, and QSK50 diesel engines, providing reliable oil circulation and stable lubrication performance for high-power applications.

As a key component of the engine lubrication system, the oil pump delivers pressurized engine oil to critical internal parts, helping protect crankshaft bearings, connecting rods, camshaft components, and other moving assemblies during continuous operation.

Designed for large-displacement diesel engines, this replacement oil pump features a durable gear-driven structure, high flow capacity, and reliable performance for demanding environments including mining equipment, marine engines, oil & gas applications, and generator sets.

More Engine Parts Available

We supply a complete range of diesel engine replacement parts for maintenance, repair, and overhaul.

Engine Components

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

Engine Rebuild Parts

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

Lubrication System Parts

• Oil Pump
• Oil Cooler
• Oil Nozzle

Valve Train Components

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

Fuel System Parts

• Fuel Injector
• Fuel Injection Pump
• Nozzle Sleeve

Why Buy From Us

We supply diesel engine spare parts for global customers, including engine rebuilders, wholesalers, distributors, and equipment repair companies.

Our advantages:

• Wide engine parts coverage
• Stable supply capability
• Competitive wholesale prices
• Professional part matching support
• Quality inspection before shipment
• Worldwide delivery service

We support engine parts solutions for Cummin s, CAT, Perkins, Kubota, Yanmar, Isuzu, Komatsu, Vol vo, Deutz, Doosan, Mitsubishi, Hino, Nissan, John Dee re, Scania, Hyundai, JCB, and other diesel engine brands.

FAQ

1. What engine does oil pump 3634643 fit?

Oil pump 3634643 is designed for Cummin s K50, KTA50, KT50, and QSK50 diesel engines.

2. What is the function of Cummin s 3634643 oil pump?

The lubricating oil pump supplies pressurized oil throughout the engine lubrication system to reduce friction, control wear, and protect internal components.

3. What are the replacement numbers for 3634643 ?

Common reference numbers include:

• 3177103
• 3176014
• 3177098

4. Is this oil pump suitable for engine overhaul?

Yes. It is commonly replaced during complete engine rebuilding, preventive maintenance, and lubrication system repair.

5. Can you supply complete Cummin s K50 engine parts?

Yes. We supply overhaul kits, gasket kits, pistons, liners, bearings, crankshafts, cylinder heads, injectors, fuel system parts, and other Cummin s engine components.

6. Do you accept wholesale orders?

Yes. We support distributors, repair workshops, and industrial customers with bulk supply and worldwide shipping.

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