5257939 CUMMINS Twin Cylinder, Air Compressor
3589 Visualized

5257939 CUMMINS Twin Cylinder, Air Compressor

2500 180 001

Summary

This heavy-duty Twin Cylinder, Air Compressor features a Ø86.00 cylinder bore and 460cm³ swept volume. Designed for high-strength performance, it includes M26x1,5 air ports and M16x1,5 water ports. It is fully compatible with CUMMINS ISBE4 and ISBE4.5 engine systems, ensuring stable air supply and long-term durability in demanding environments.

EAN Code8699031060057
Ready to Order
Get Information
Share
WhatsApp Facebook X LinkedIn

Compatible OEM Codes

  • KNORR-BREMSE LP4865 K051401N00 K033404N00
  • CUMMINS 5257939

Description

This technical component serves as a vital part of the pneumatic system, specifically designed to provide consistent air pressure for heavy commercial vehicle braking and auxiliary systems. As a twin cylinder air compressor, it utilizes a robust two-cylinder design with a 40 mm stroke and 460cm³ swept volume to maintain optimal operational efficiency under high-load conditions.

5257939 is the OE-equivalent of the CUMMINS 5257939 air compressor used in CUMMINS ISBE4 and ISBE4.5 engines. This part is engineered to meet strict technical standards, featuring a water-cooled architecture with specific inlet and outlet ports (M26x1,5 for air and M16x1,5 for water) to ensure thermal stability during continuous operation.

For workshop technicians and fleet managers, this unit offers seamless integration into existing engine setups. The assembly features a through-drive design and is optimized for water-cooled environments to prevent overheating. Regular maintenance of the cooling lines and checking the M26x1,5 port connections is recommended to ensure the longevity of the compressor and the reliability of the vehicle's air brake system.

Technical Specifications

Cylinder BoreØ86.00
Stroke40 mm
Swept Volume460cm³
Air Inlet PortM26x1,5
Air Outlet PortM26x1,5
Number of Cylinders2
Through DriveOK
Water (W) or Air (A) CooledW
Water Inlet PortM16x1,5
Water Outlet PortM16x1,5
Water Cooled Valve PlateOK
Weight21,4 KG

Other OEMs

CUMMINS

  • 5257939

KNORR-BREMSE

  • LP4865
  • K051401N00
  • K033404N00

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
CUMMINS ISBE4
CUMMINS ISBE4.5
KNORR-BREMSE

FAQ

What is the primary function of the 5257939 air compressor?
It functions as a twin cylinder unit designed to provide pressurized air for heavy commercial vehicle braking systems, specifically for CUMMINS ISBE4 and ISBE4.5 engines.
Which OEM numbers are compatible with this part?
This product is the direct OE equivalent for CUMMINS 5257939.
What are the technical specifications for the air and water ports?
The unit features an M26x1,5 air inlet/outlet port and an M16x1,5 water inlet/outlet port for precise installation.
Is this compressor suitable for water-cooled engine systems?
Yes, it is a water-cooled (W) component designed to work efficiently within liquid-cooled engine environments.
Can this part be used in heavy commercial vehicles?
Yes, it is specifically engineered for heavy commercial vehicles utilizing CUMMINS ISBE4 or ISBE4.5 engine architectures.