Generator set, Engine unit and spare parts

info@twinpower.cc

Oil Pump 3937404

Cummins Oil Pump 3937404

Oil Pump 3937404

Category:

Description:

Oil Pump

Parts No:

3937404

Supersessions:

Application:

Cummins

Size:

19cm*13cm*11cm

Weight:

2.392KG

HS Code:

840999

Specification

Cummins Oil Pump 3937404 – Consistent Lubrication for Engine Longevity

The Cummins Oil Pump 3937404 is a high-performance component designed to deliver steady oil flow throughout diesel engine systems. It plays a vital role in reducing friction, controlling engine temperature, and extending component life. Built to OEM specifications, this oil pump ensures that your engine runs smoothly under various working conditions. Whether you’re performing routine maintenance or a full rebuild, this pump is a trusted solution among Cummins parts.

📦 Specifications

  • Part Number: 3937404
  • Part Name: Oil Pump
  • Material: Heat-treated cast iron and steel
  • Function: Circulates lubricating oil to engine components
  • Condition: 100% Brand New
  • Standard: Manufactured in line with Cummins genuine parts specifications
  • Compatibility: Applicable to a wide range of Cummins diesel engines (verify with ESN)

✅ Key Features

  • Steady Oil Flow: Maintains optimal lubrication under all load conditions
  • OEM Quality: Built to match exact Cummins parts design standards
  • High Wear Resistance: Designed for long service life and dependable performance
  • Easy Installation: Direct replacement with no modifications required
  • Thermal Stability: Performs well even in high-temperature environments

🔧 Technical Insights

The 3937404 oil pump uses precision-machined gears and a tight housing tolerance to maintain consistent pressure and volume. As a result, critical components such as bearings, pistons, and camshafts receive continuous lubrication. The cast iron housing offers both strength and excellent heat resistance, while the internal parts are engineered for reduced friction and minimal wear.

Furthermore, the pump integrates seamlessly with other Cummins genuine parts, helping to ensure long-term engine reliability without the risk of under-lubrication.

💡 Application Scenarios

The Cummins Oil Pump 3937404 is ideal for:

  • 🛠 Diesel engine rebuilds that require OEM-grade oil circulation
  • 🚛 Commercial vehicles operating in high-demand environments
  • ⚙️ Generator sets using Cummins parts for critical reliability
  • 🧰 Fleet maintenance projects looking to extend engine life
  • 🔩 Replacements in engines suffering from oil pressure issues

🚚 Availability

This Cummins Oil Pump 3937404 is readily available and ships globally.
To ensure proper fitment, please provide your engine serial number (ESN). Our team will verify compatibility with your Cummins parts setup.

Related Products

Cummins KTA50 Parts Catalogue

KTA50 Parts Catalogue

Application: Cummins

HS Code: 840999

Cummins KTA38 Parts Catalogue

KTA38 Parts Catalogue

Application: Cummins

HS Code: 840999

Cummins KTA19 Parts Catalogue

KTA19 Parts Catalogue

Application: Cummins

HS Code: 840999

Cummins NT855 Parts Catalogue

NT855 Parts Catalogue

Application: Cummins

HS Code: 840999

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@twinpower.cc”. 

Thank you for reaching out!

We'll get back to you as soon as possible. For urgent matters, you’re welcome to contact us directly at info@twinpower.cc.