Oil Pumps For Cummins Marine & Industrial Engines

When it comes to maintaining the performance and longevity of your Cummins marine engine, few components are more critical than the oil pump. This essential part is responsible for circulating oil throughout the engine’s internal components—lubricating bearings, cooling moving parts, and helping maintain the correct oil pressure.

A failed or underperforming oil pump can lead to engine overheating, increased wear, or even complete engine failure. That’s why Diesel Pro Power offers an extensive inventory of Cummins oil pumps and related components, available for fast shipping and backed by expert support.

Why Diesel Pro Power is the Best Source for Oil Pumps For Your Cummins Engine

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Whether you’re replacing a worn-out oil pump or performing a full engine rebuild, Diesel Pro Power makes it fast and simple to get what you need—with zero delays.

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Thanks to our expansive warehouse and high inventory levels, we always have Cummins oil pumps and their supporting components available and ready to ship. You won’t face long backorders or need to hunt around different vendors. Order direct and get it done right the first time.

Oil Pumps & Related Parts by Cummins Engine Model

Below, you’ll find our full selection of Cummins oil pumps, categorized by engine model. This makes it easier to find the correct part for your engine, avoid guesswork, and complete repairs quickly.

Oil Pumps & Related Components for Cummins 4B

The Cummins 4B is a naturally aspirated 3.9L, 4-cylinder engine commonly used in marine generator sets and auxiliary applications.

Available Components for the Cummins 4B’s Lubrication System:

• Oil Pump for Cummins 4B
• Oil Cooler for Cummins 4B
• Oil Pan Gasket for Cummins 4B
• Oil Cooler Core Gasket for Cummins 4B
• Filter Head Gasket for Cummins 4B
• Oil Filter for Cummins 4B
• Oil Filter Removal Wrench for Cummins engines
• Zinc for Cummins 4B Marine Engine Fuel and Oil Coolers
• Fuel & Oil Pressure Switch for Cummins engines

Oil Pumps & Related Components for Cummins 4BT

A turbocharged version of the 4B, the Cummins 4BT is a popular choice for compact marine engines and workboats.

Available Components for the Cummins 4BT’s Lubrication System:

• Oil Pump for Cummins 4BT
• Oil Cooler for Cummins 4BT
• Oil Pan Gasket for Cummins 4BT
• Oil Cooler Core Gasket for Cummins 4BT
• Filter Head Gasket for Cummins 4BT
• Oil Filter for Cummins 4BT
• Oil Filter Removal Wrench for Cummins engines
• Zinc for Cummins 4BT Marine Engine Fuel and Oil Coolers
• Fuel & Oil Pressure Switch for Cummins engines

Oil Pumps & Related Components for Cummins 4BTA

The 4BTA adds aftercooling for enhanced power and durability, often used in marine transport and utility vessels.

Available Components for the Cummins 4BTA’s Lubrication System:

• Oil Pump for Cummins 4BTA
• Oil Cooler for Cummins 4BTA
• Oil Pan Gasket for Cummins 4BTA
• Oil Cooler Core Gasket for Cummins 4BTA
• Filter Head Gasket for Cummins 4BTA
• Oil Filter for Cummins 4BTA
• Oil Filter Removal Wrench for Cummins engines
• Zinc for Cummins 4BTA Marine Engine Fuel and Oil Coolers
• Fuel & Oil Pressure Switch for Cummins engines

Oil Pumps & Related Components for Cummins 6B

This naturally aspirated 5.9L, 6-cylinder engine is known for reliable performance in light marine operations.

Available Components for the Cummins 6B’s Lubrication System:

• Oil Pump for Cummins 6B
• Oil Cooler for Cummins 6B
• Oil Pan Gasket for Cummins 6B
• Oil Cooler Core Gasket for Cummins 6B
• Filter Head Gasket for Cummins 6B
• Oil Filter for Cummins 6B
• Oil Filter Removal Wrench for Cummins engines
• Zinc for Cummins 6B Marine Engine Fuel and Oil Coolers
• Fuel & Oil Pressure Switch for Cummins engines

Oil Pumps & Related Components for Cummins 6BT

Turbocharged and dependable, the 6BT is found in both propulsion and onboard marine systems.

Available Components for the Cummins 6BT’s Lubrication System

• Oil Pump for Cummins 6BT
• Oil Cooler for Cummins 6BT
• Oil Pan Gasket for Cummins 6BT
• Oil Cooler Core Gasket for Cummins 6BT
• Filter Head Gasket for Cummins 6BT
• Oil Filter for Cummins 6BT
• Oil Filter Removal Wrench for Cummins engines
• Zinc for Cummins 6BT Marine Engine Fuel and Oil Coolers
• Fuel & Oil Pressure Switch for Cummins engines

Oil Pumps & Related Components for Cummins 6BTA

With turbocharging and aftercooling, the 6BTA is optimized for higher-output commercial and utility marine use.

Available Components for the Cummins 6BTA’s Lubrication System:

• Oil Pump for Cummins 6BTA
• Oil Cooler for Cummins 6BTA
• Oil Pan Gasket for Cummins 6BTA
• Oil Cooler Core Gasket for Cummins 6BTA
• Filter Head Gasket for Cummins 6BTA
• Oil Filter for Cummins 6BTA
• Oil Filter Removal Wrench for Cummins engines
• Zinc for Cummins 6BTA Marine Engine Fuel and Oil Coolers
• Fuel & Oil Pressure Switch for Cummins engines

Oil Pumps & Related Components for Cummins ISB 4.5

• Oil Pump for Cummins ISB 4.5
• Oil Cooler for Cummins ISB 4.5
• Gasket for the oil cooler cover for Cummins ISB 4.5
• Oil Cooler Core Gasket for Cummins ISB 4.5
• Filter Head Gasket for Cummins ISB 4.5
• Oil Filter for Cummins ISB 4.5
• Oil Filter Removal Wrench for Cummins engines
• Fuel & Oil Pressure Switch for Cummins engines

Oil Pumps & Related Components for Cummins ISB 5.9

• Oil Pump for Cummins ISB 5.9

• Oil Cooler for Cummins ISB 5.9

• Oil Pan Gasket for Cummins ISB 5.9

• Gasket for the Oil Cooler Cover for Cummins ISB 5.9

• Oil Cooler Core Gasket for Cummins ISB 5.9

• Filter Head Gasket for Cummins ISB 5.9

• Oil Filter for Cummins ISB 5.9

• Oil Filter Removal Wrench for Cummins ISB 5.9

• Fuel & Oil Pressure Switch for Cummins ISB 5.9

Oil Pumps & Related Components for Cummins ISB 6.7

The Cummins ISB engine is a versatile, mid-range diesel engine often used in marine auxiliary systems and generator sets. Known for reliability and fuel efficiency, it requires a precision oil pump to maintain steady lubrication across all operating conditions.

Available Components for the Cummins ISB’s Lubrication System:

• Oil Pump for Cummins ISB 6.7

• Oil Cooler for Cummins ISB 6.7

• Oil Pan Gasket for Cummins ISB 6.7

• Gasket for the Oil Cooler Cover for Cummins ISB 6.7

• Oil Cooler Core Gasket for Cummins ISB 6.7

• Filter Head Gasket for Cummins ISB 6.7

• Oil Filter for Cummins ISB 6.7

• Oil Filter Removal Wrench for Cummins ISB 6.7

• Fuel & Oil Pressure Switch for Cummins ISB 6.7

Oil Pumps & Related Components for Cummins QSB 4.5

The QSB 4.5 is a compact yet powerful 4-cylinder engine designed for marine propulsion and auxiliary power. Proper oil pressure from a high-quality oil pump is essential to ensure optimal engine longevity in marine environments.

Available Components for the Cummins QSB 4.5’s Lubrication System:

• Oil Pump for Cummins QSB 4.5

• Oil Cooler for Cummins QSB 4.5

• Gasket for the Oil Cooler Cover for Cummins QSB 4.5

• Oil Cooler Core Gasket for Cummins QSB 4.5

• Oil Filter for Cummins QSB 4.5

• Oil Filter Removal Wrench for Cummins QSB 4.5

• Fuel & Oil Pressure Switch for Cummins QSB 4.5

Oil Pumps & Related Components for Cummins QSB 5.9

The QSB 5.9 delivers strong performance in light and medium-duty marine applications. Engineered with advanced electronic controls, this engine depends on consistent oil flow for proper lubrication of its high-speed internal components.

Available Components for the Cummins QSB 5.9’s Lubrication System:

• Oil Pump for Cummins QSB 5.9

• Oil Cooler for Cummins QSB 5.9

• Gasket for the Oil Cooler Cover for Cummins QSB 5.9

• Oil Cooler Core Gasket for Cummins QSB 5.9

• Oil Filter for Cummins QSB 5.9

• Oil Filter Removal Wrench for Cummins QSB 5.9

• Fuel & Oil Pressure Switch for Cummins QSB 5.9

• Oil Pan Gasket for Cummins QSB 5.9

• Lower Gasket Set for Cummins QSB 5.9

• Zinc for Cummins QSB 5.9 Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins QSB 6.7

Used widely in commercial marine vessels, the QSB 6.7 offers advanced power and emission control. Its lubrication system relies on a precise oil pump to support its turbocharged and electronically controlled operations.

Available Components for the Cummins QSB 6.7’s Lubrication System:

• Oil Pump for Cummins QSB 6.7

• Oil Cooler for Cummins QSB 6.7

• Gasket for the Oil Cooler Cover for Cummins QSB 6.7

• Oil Cooler Core Gasket for Cummins QSB 6.7

• Oil Filter for Cummins QSB 6.7

• Oil Filter Removal Wrench for Cummins QSB 6.7

• Fuel & Oil Pressure Switch for Cummins QSB 6.7

• Oil Pan Gasket for Cummins QSB 6.7

• Lower Gasket Set for Cummins QSB 6.7

• Zinc for Cummins QSB 6.7 Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins QSB 7

The QSB 7 is a robust, high-output engine designed for heavy-duty commercial and recreational marine applications. The oil pump is vital to protecting this engine under sustained high loads and long run times.

Available Components for the Cummins QSB 7’s Lubrication System:

• Oil Pump for Cummins QSB 7.0

• Oil Cooler for Cummins QSB 7.0

• Gasket for the Oil Cooler Cover for Cummins QSB 7.0

• Oil Cooler Core Gasket for Cummins QSB 7.0

• Oil Filter for Cummins QSB 7.0

• Oil Filter Removal Wrench for Cummins QSB 7.0

• Fuel & Oil Pressure Switch for Cummins QSB 7.0

• Oil Pan Gasket for Cummins QSB 7.0

• Lower Gasket Set for Cummins QSB 7.0

• Zinc for Cummins QSB 7.0 Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins 6C

The Cummins 6C engine, a predecessor to the C Series line, is known for mechanical simplicity and durability. A dependable oil pump is key to keeping this engine operational in long-use marine settings.

Available Components for the Cummins 6C’s Lubrication System:

• Oil Pump for Cummins 6C
• Oil Cooler for Cummins 6C
• Oil Filter for Cummins 6C
• Oil Filter Removal Wrench for Cummins 6C
• Fuel & Oil Pressure Switch for Cummins 6C
• Screw for Oil Pump for Cummins 6C
• Oil Cooler Cover Gasket for Cummins 6C
• Oil Cooler Gasket for Cummins 6C
• Rear Cover Gasket for Cummins 6C
• Zinc for Cummins 6C Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins 6CT

The 6CT is a turbocharged engine known for providing dependable power in mid-size vessels. Oil pump performance is essential to sustain its operation under variable load conditions and sea environments.

Available Components for the Cummins 6CT’s Lubrication System:

• Oil Pump for Cummins 6CT

• Oil Cooler for Cummins 6CT

• Oil Filter for Cummins 6CT

• Oil Filter Removal Wrench for Cummins 6CT

• Fuel & Oil Pressure Switch for Cummins 6CT

• Screw for Oil Pump for Cummins 6CT

• Oil Cooler Cover Gasket for Cummins 6CT

• Oil Cooler Gasket for Cummins 6CT

• Rear Cover Gasket for Cummins 6CT

• Zinc for Cummins 6CT Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins 6CTA

An aftercooled version of the 6CT, the Cummins 6CTA delivers improved performance and efficiency. The oil pump must support its higher operating pressures and ensure longevity for turbo components.

Available Components for the Cummins 6CTA’s Lubrication System:

• Oil Pump for Cummins 6CTA

• Oil Cooler for Cummins 6CTA

• Oil Filter for Cummins 6CTA

• Oil Filter Removal Wrench for Cummins 6CTA

• Fuel & Oil Pressure Switch for Cummins 6CTA

• Screw for Oil Pump for Cummins 6CTA

• Oil Cooler Cover Gasket for Cummins 6CTA

• Oil Cooler Gasket for Cummins 6CTA

• Rear Cover Gasket for Cummins 6CTA

• Zinc for Cummins 6CTA Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins ISC

The ISC engine offers high-performance output in marine and industrial uses, featuring full electronic controls. Proper lubrication using a reliable oil pump is essential for maintaining electronic timing and internal wear protection.

Available Components for the Cummins ISC’s Lubrication System:

• Oil Pump for Cummins ISC

• Oil Cooler for Cummins ISC

• Oil Filter for Cummins ISC

• Oil Filter Removal Wrench for Cummins ISC

• Fuel & Oil Pressure Switch for Cummins ISC

• Screw for Oil Pump for Cummins ISC

• Oil Cooler Cover Gasket for Cummins ISC

• Rear Cover Gasket for Cummins ISC

Oil Pumps & Related Components for Cummins QSC

The QSC 8.3 is one of Cummins' most popular electronically controlled marine engines, delivering up to 600HP. Its lubrication system must function flawlessly to support electronic injection and high-load operation.

Available Components for the Cummins QSC’s Lubrication System:

• Oil Pump for Cummins QSC

• Oil Cooler for Cummins QSC

• Oil Filter for Cummins QSC

• Oil Filter Removal Wrench for Cummins QSC

• Fuel & Oil Pressure Switch for Cummins QSC

• Screw for Oil Pump for Cummins QSC

• Oil Cooler Cover Gasket for Cummins QSC

• Rear Cover Gasket for Cummins QSC

• Zinc for Cummins QSC Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins ISL

The Cummins ISL is a mid-range engine offering strong horsepower and torque for marine and industrial duty. Designed with high-pressure common rail fuel injection, this engine depends on a precision oil pump to keep internal temperatures in check and critical parts lubricated.

Available Components for the Cummins ISL’s Lubrication System:

• Oil Pump for Cummins ISL

• Oil Cooler for Cummins ISL

• Oil Filter for Cummins ISL

• Oil Filter Removal Wrench for Cummins ISL

• Fuel & Oil Pressure Switch for Cummins ISL

• Screw for Oil Pump for Cummins ISL

• Oil Cooler Cover Gasket for Cummins ISL

• Rear Cover Gasket for Cummins ISL

• Oil Pan Gasket for Cummins ISL

• Oil Suction Connection Gasket for Cummins ISL

Oil Pumps & Related Components for Cummins QSL

Built for power, performance, and fuel efficiency, the QSL is a turbocharged, aftercooled engine found in marine auxiliary roles and propulsion systems. A dependable oil pump is essential for maintaining proper flow and pressure in demanding environments.

Available Components for the Cummins QSL’s Lubrication System:

• Oil Pump for Cummins QSL

• Oil Cooler for Cummins QSL

• Oil Filter for Cummins QSL

• Oil Filter Removal Wrench for Cummins QSL

• Fuel & Oil Pressure Switch for Cummins QSL

• Screw for Oil Pump for Cummins QSL

• Oil Cooler Cover Gasket for Cummins QSL

• Rear Cover Gasket for Cummins QSL

• Oil Pan Gasket for Cummins QSL

• Oil Suction Connection Gasket for Cummins QSL

Oil Pumps & Related Components for Cummins M11

The Cummins M11 is a rugged inline 6-cylinder engine designed for heavy-duty marine service. With its large displacement and power capacity, the oil pump must deliver consistent pressure to protect internal components over long hours of operation.

Available Components for the Cummins M11’s Lubrication System:

• Oil Pump for Cummins M11

• Oil Cooler for Cummins M11

• Oil Filter for Cummins M11

• Oil Filter Removal Wrench for Cummins M11

• Fuel & Oil Pressure Switch for Cummins M11

• Oil Cooler Gasket for Cummins M11

• Seal for Oil Cooler for Cummins M11

• Head Hole Gasket for Cummins M11

• Oil Pan Gasket for Cummins M11

Oil Pumps & Related Components for Cummins ISM

The ISM engine builds on the M11 platform with advanced electronic controls and emissions compliance. Found in high-demand marine systems, this engine’s performance is heavily reliant on an efficient oil pump to manage increased thermal and mechanical loads.

Available Components for the Cummins ISM’s Lubrication System:

• Oil Pump for Cummins ISM

• Oil Cooler for Cummins ISM

• Oil Filter for Cummins ISM

• Oil Filter Removal Wrench for Cummins ISM

• Fuel & Oil Pressure Switch for Cummins ISM

• Oil Cooler Gasket for Cummins ISM

• Seal for Oil Cooler for Cummins ISM

• Head Hole Gasket for Cummins ISM

• Oil Pan Gasket for Cummins ISM

Oil Pumps & Related Components for Cummins QSM11

Known for its durability and high power-to-weight ratio, the QSM11 is a top performer in the commercial marine sector. Whether powering propulsion or critical onboard systems, this engine requires a high-output oil pump to maintain stable lubrication under constant demand.

Available Components for the Cummins QSM11’s Lubrication System:

• Oil Pump for Cummins QSM11

• Oil Cooler for Cummins QSM11

• Oil Filter for Cummins QSM11

• Oil Filter Removal Wrench for Cummins QSM11

• Fuel & Oil Pressure Switch for Cummins QSM11

• Oil Cooler Gasket for Cummins QSM11

• Seal for Oil Cooler for Cummins QSM11

• Head Hole Gasket for Cummins QSM11

• Oil Pan Gasket for Cummins QSM11

• Zinc for Cummins QSM11 Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins NH 855 Series

• Oil Pump Assembly for Cummins NH855

• Oil Cooler Core for Cummins NH855

• Oil Cooler Installation Kit for Cummins NH855

• Oil Filter for Cummins NH855

• Oil Filter Removal Wrench for Cummins NH855

• Thermostat for Oil Cooler for Cummins NH855

• Oil Seal for the Fan Hub for Cummins NH855

• Gasket By-Pass Valve for Cummins NH855

• Zinc for Cummins NH855 Marine Engine Fuel and Oil Coolers

• Fuel & Oil Pressure Switch for Cummins NH855

Oil Pumps & Related Components for Cummins NT 855 Series

• Oil Pump Assembly for Cummins NT855

• Oil Cooler for Cummins NT855

• Oil Cooler Core for Cummins NT855

• Oil Cooler Installation Kit for Cummins NT855

• Oil Filter for Cummins NT855

• Oil Filter Removal Wrench for Cummins NT855

• Thermostat for Oil Cooler for Cummins NT855

• Oil Seal for the Fan Hub for Cummins NT855

• Gasket By-Pass Valve for Cummins NT855

• Zinc for Cummins NT855 Marine Engine Fuel and Oil Coolers

• Fuel & Oil Pressure Switch for Cummins NT855

Oil Pumps & Related Components for Cummins N14 Series

• Oil Pump for Cummins N14

• Oil Cooler for Cummins N14

• Seal for Oil Cooler for Cummins N14

• Oil Filter for Cummins N14

• Oil Filter Removal Wrench for Cummins N14

• Thermostat for Oil Cooler for Cummins N14

• Gasket for Oil Pump for Cummins N14

• Fuel & Oil Pressure Switch for Cummins N14

• Oil Seal for the Fan Hub for Cummins N14

A proven choice for demanding marine applications, the 855 series delivers high-torque output for tugs, dredgers, and large service vessels.

Available Components for the Cummins 855 Series’ Lubrication System:

Oil Pumps & Related Components for Cummins KTA19

The Cummins KTA19 is a high-horsepower diesel engine known for powering heavy-duty marine vessels such as tugs, workboats, and transport ships. Its turbocharged and aftercooled design requires a heavy-duty oil pump to ensure full-pressure lubrication across its large displacement engine block.

Available Components for the Cummins KTA19’s Lubrication System:

• Oil Pump for Cummins KTA19

• Oil Cooler for Cummins KTA19

• Oil Pan Adaptor Gasket for Cummins KTA19

• Torque Converter Cooler Housing Gasket for Cummins KTA19

• Gasket for Oil Cooler Housing for Cummins KTA19

• Oil Cooler Cover Gasket for Cummins KTA19

• Oil Cooler O-ring for Cummins KTA19

• Head Hole Cover Gasket for Cummins KTA19

• Oil Filter for Cummins KTA19

• Oil Filter Removal Wrench for Cummins KTA19

• Fuel & Oil Pressure Switch for Cummins KTA19

• Zinc for Cummins KTA19 Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins KTA38

The KTA38 delivers up to 1,350 horsepower and is commonly found in larger commercial vessels, including ferries, dredges, and offshore supply boats. Maintaining optimal oil flow through its V12 configuration is critical—especially under long operating hours and high loads.

Available Components for the Cummins KTA38’s Lubrication System:

• Oil Cooler for Cummins KTA38

• Oil Pan Adaptor Gasket for Cummins KTA38

• Oil Pan Gasket for Cummins KTA38

• Lock-nut for the Oil Cooler for Cummins KTA38

• Oil Cooler Mounting Gasket for Cummins KTA38

• Gear Cover Gasket for Cummins KTA38

• Oil Cooler Cover Gasket for Cummins KTA38

• Oil Cooler O-ring for Cummins KTA38

• Oil Filter for Cummins KTA38

• Oil Filter Removal Wrench for Cummins KTA38

• Fuel & Oil Pressure Switch for Cummins KTA38

• Zinc for Cummins KTA38 Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins KTA50

The largest in the KTA family, the Cummins KTA50 supports mission-critical marine applications such as deep-sea towing, propulsion, and industrial marine power systems. Its complex lubrication network relies on a precision oil pump to deliver stable oil pressure throughout all operating conditions.

Available Components for the Cummins KTA50’s Lubrication System:

• Oil Cooler for Cummins KTA50

• Oil Pan Adaptor Gasket for Cummins KTA50

• Oil Pan Gasket for Cummins KTA50

• Lock-nut for the Oil Cooler for Cummins KTA50

• Oil Cooler Mounting Gasket for Cummins KTA50

• Gear Cover Gasket for Cummins KTA50

• Oil Cooler Cover Gasket for Cummins KTA50

• Oil Cooler O-ring for Cummins KTA50

• Oil Filter for Cummins KTA50

• Oil Filter Removal Wrench for Cummins KTA50

• Fuel & Oil Pressure Switch for Cummins KTA50

• Zinc for Cummins KTA50 Marine Engine Fuel and Oil Coolers

Oil Pumps & Related Components for Cummins QSK19

The Cummins QSK19 is a high-performance marine engine featuring electronic controls and a modular common rail fuel system. Often used in patrol boats, crew vessels, and offshore support craft, this engine requires a high-output oil pump to manage lubrication demands across its advanced turbo and injection systems.

Available Components for the Cummins QSK19’s Lubrication System:

• Oil Cooler for Cummins QSK19

• Oil Pan Adaptor Gasket for Cummins QSK19

• Torque Converter Cooler Housing Gasket for Cummins QSK19

• Gasket for Oil Cooler Housing for Cummins QSK19

• Oil Cooler Cover Gasket for Cummins QSK19

• Oil Cooler O-ring for Cummins QSK19

• Head Hole Cover Gasket for Cummins QSK19

• Lower Gasket Set for Cummins QSK19

• Oil Filter for Cummins QSK19

• Oil Filter Removal Wrench for Cummins QSK19

• Fuel & Oil Pressure Switch for Cummins QSK19

• Zinc for Cummins QSK19 Marine Engine Fuel and Oil Coolers

Speak with an Expert

Have a question about compatibility or installation? We’re here to help.

• U.S. Toll-Free: 1-888-433-4735

• International: 305-545-5588

Our expert team will help you choose the right part, confirm fitment, and walk you through the ordering process.

Order Your Replacement Oil Pump For Your Cummins Engine With Confidence

At Diesel Pro Power, we make finding the right Cummins oil pump easy and worry-free. With our massive in-stock inventory, fast global shipping, and dedicated customer service, you’ll get what you need—fast.

Order today, and most items will ship within 24 hours (M-F).

Frequently Asked Questions About Cummins Oil Pumps

1. How do I know if my Cummins oil pump needs replacement?

Common signs include low or fluctuating oil pressure, excessive engine noise, overheating, or metal particles in the oil. If you're experiencing these issues, it's a strong indicator that your oil pump may be worn or failing and should be replaced as soon as possible.

2. Do you sell OEM or aftermarket Cummins oil pumps?

We specialize in high-quality aftermarket Cummins oil pumps. Our parts are built to meet or exceed OEM performance standards and offer exceptional value. Each pump is backed by our full 1-year warranty and has been tested for durability and compatibility.

3. How do I find the correct oil pump for my Cummins engine?

You can locate the right oil pump by selecting your Cummins engine model on our website. Whether you're running a 4BT, 6BTA, QSC, or KTA engine, our categorized listings make it easy to find the exact part. If you need help, our expert team is available to assist you.

4. Can I purchase other lubrication system parts along with the oil pump?

Absolutely. We offer a complete line of Cummins lubrication components, including oil filters, oil coolers, oil pressure switches, gaskets, and dipsticks—everything you need for a full service or repair job.

5. How fast will my order ship?

We ship most orders within one business day. All parts are stocked in our large warehouse, meaning you won’t face delays or long wait times. We also offer fast international shipping options.

6. Are your oil pumps compatible with marine Cummins engines?

Yes, all our Cummins oil pumps are compatible with marine and industrial diesel engines. They are designed to withstand the harsh conditions typical of marine environments, including high loads and continuous operation.

7. What warranty comes with your oil pumps?

Every Cummins oil pump we sell comes with a 1-year warranty. This warranty covers manufacturing defects and ensures you get a reliable, long-lasting part that performs under pressure.

8. Do I need to replace any other parts when changing the oil pump?

It’s a good idea to also replace your oil filter, inspect or replace the oil pressure switch, and check your oil cooler. Doing so ensures your entire lubrication system operates efficiently and prevents future issues.

9. Is it difficult to install a Cummins oil pump?

Installation difficulty varies by engine model, but most oil pumps can be replaced by an experienced marine diesel mechanic or shop. If you're unsure, consult your service manual or contact us for guidance—we can help identify the right parts and procedures.

10. Can I get technical help if I’m not sure which part to buy?

Yes. Our knowledgeable team is available by phone or email to help you verify the correct oil pump, answer installation questions, or walk you through the ordering process. You can reach us at 1-888-433-4735 (U.S.) or 305-545-5588(international).