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3948842 CUMMINS Single Cylinder, Air Compressor

2500 090 001

Summary

The VADEN ORIGINAL 3948842 is a high-strength single cylinder air compressor designed for heavy-duty engine systems. Featuring a Ø75.00 cylinder bore and 56 mm stroke, this water-cooled component ensures reliable air production for CUMMINS engine architectures including 6BT5.9, 6CT8.3, ISB, QSB, and C50 models.

Product identifiers
EAN Code8699031069074
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Compatible OEM Codes

  • CUMMINS
    • 3948842
    • 3944460
  • WABCO
    • 911 154 500 0

Description

This high-strength single cylinder air compressor is engineered to provide consistent pneumatic pressure within the engine's air system. Designed for heavy commercial vehicle applications, it features a robust water-cooled structure to manage thermal loads effectively during continuous operation. The component is built with high-strength components to ensure long-term durability in demanding environments.

The 3948842 is the OE equivalent of the CUMMINS 3948842 single cylinder air compressor used in CUMMINS 6BT5.9, 6CT8.3, ISB, QSB, and C50 engines. This unit features a Ø75.00 cylinder bore, a 56 mm stroke, and a 247cm³ swept volume. The technical configuration includes an M27x2 air outlet port and a 3/4 16UNF water inlet/outlet system for optimized thermal regulation.

For workshop technicians and fleet managers, this part offers a precise fit within the engine's air management system. Maintenance should focus on ensuring the water-cooling ports (3/4 16UNF) and the M10x1 air unloader port are free from debris to maintain optimal pressure cycles. Regular inspection of the through-drive connection is recommended to ensure system integrity.

Vaden Original provides professional-grade solutions that meet strict industrial standards for reliability and performance.

Technical Specifications

Technical Specifications
Cylinder BoreØ75.00
Stroke56 mm
Swept Volume247cm³
Air Inlet PortØ25
Air Outlet PortM27x2
Number of Cylinders1
Through DriveOK
Air Unloader PortM10x1
Water (W) or Air (A) CooledW
Water Inlet Port3/4 16UNF
Water Outlet Port3/4 16UNF
With ESS FeatureOK
Water Cooled Valve PlateOK
Weight17,6 KG

Other OEMs

CUMMINS

  • 3948842
  • 3944460

WABCO

  • 9111545000
  • 911.154.500.0
  • 911 154 500 0

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Vehicles Used

Vehicles Used
BrandModelModel TypeEngine
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BLUE BIRD Vision ISB
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CUMMINS 6CT8.3
CUMMINS C50
CUMMINS ISB
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DONGFENG Kinland ISC
DONGFENG Tianjin ISC
FORD Cargo ISB
FORD CF700 ISB
FORD F700 ISB
FREIGHTLINER FL50 ISB
FREIGHTLINER FL60 ISB
FREIGHTLINER FL60 ISC
FREIGHTLINER FL70 ISC
FREIGHTLINER FL80 ISC
FREIGHTLINER FS-65 ISB
FREIGHTLINER FS-65 ISC
FREIGHTLINER M2 106 ISB
FREIGHTLINER M2 106 ISC
FREIGHTLINER M2 112 ISC
FREIGHTLINER MT45 ISB
FREIGHTLINER MT55 ISB
GILLIG Low Floor ISC
GILLIG Phantom ISC
IC BUS CE Series ISB
IC BUS CE Series ISC
IC BUS RE Series ISC
INTERNATIONAL 4300 ISC
INTERNATIONAL 4400 ISC
INTERNATIONAL 7400 ISC
KENWORTH T170 ISB
KENWORTH T270 ISB
KENWORTH T300 ISC
KENWORTH T370 ISB
KENWORTH T370 ISC
KENWORTH T440 ISC
KENWORTH T470 ISC
NEW FLYER D40LF ISC
PETERBILT 325 ISB
PETERBILT 330 ISB
PETERBILT 330 ISC
PETERBILT 335 ISB
PETERBILT 335 ISC
PETERBILT 337 ISC
PETERBILT 348 ISC
RAM (DODGE) 2500 ISB
RAM (DODGE) 3500 ISB
RAM (DODGE) 4500 ISB
RAM (DODGE) 5500 ISB
THOMAS BUILT BUSES Saf-T-Liner C2 ISB
THOMAS BUILT BUSES Saf-T-Liner C2 ISC
THOMAS BUILT BUSES Saf-T-Liner HDX ISC
VOLKSWAGEN Constellation ISB
VOLKSWAGEN Delivery ISB
WABCO

FAQ

What is the primary function of this air compressor?
This single cylinder air compressor provides the necessary pneumatic pressure required for the vehicle's air brake systems and other pneumatic engine components.
Which engine models is this part compatible with?
This part is compatible with CUMMINS engines including models such as 6BT5.9, 6CT8.3, ISB, QSB, and C50.
Does this unit require water cooling?
Yes, this is a water-cooled (W) model featuring 3/4 16UNF inlet and outlet ports for effective thermal regulation.
What are the key technical specifications?
The unit features a Ø75.00 cylinder bore, a 56 mm stroke, and an M27x2 air outlet port to meet OEM standards.
Can I use this for OEM cross-referencing?
Yes, this product is the direct OE equivalent for the CUMMINS 3948842 part number.