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A4127040050SP1 Mercedes-Benz Compatible Single Cylinder Compressor

1100 040 021

Summary

This water-cooled single cylinder compressor is designed for Mercedes-Benz heavy commercial vehicles. It features a Ø85.00 mm cylinder bore, a 42 mm stroke, and an M26x1.5 air inlet port to ensure reliable air pressure delivery for braking systems. Equivalent to OE Mercedes-Benz A4127040050SP1.

Product identifiers
EAN Code8699031064611
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Compatible OEM Codes

  • MERCEDES BENZ
    • 906 130 50 15 SP1
    • 906 130 41 15 SP1
    • 906 130 28 15 SP1
    • 906 130 11 15 SP1
    • 906 130 07 15 SP1
  • WABCO
    • 411 151 003 0 SP1

Description

What does a single cylinder compressor do?

This single cylinder air brake compressor functions as a vital component within the pneumatic braking system of heavy commercial vehicles. By utilizing a piston-driven mechanism, it compresses intake air to provide the necessary pressure required for brake operation and air tank charging. This specific model is engineered with high-strength components to withstand rigorous heavy-duty service conditions.

Compatibility and technical specifications

Designed for compatibility with Mercedes-Benz vehicles, this unit features a water-cooling configuration to manage thermal loads effectively during continuous operation. Key technical specifications include a Ø85.00 mm cylinder bore, a 42 mm stroke, and an M26x1.5 air inlet port, alongside an Ø30 air outlet port and M14x1.5 water ports.

Installation and maintenance guidance

To ensure proper function, technicians should verify the installation of the water inlet and outlet connections to prevent overheating. Regular inspection of the water-cooled valve plate and intake seals is recommended to maintain optimal compression efficiency and prevent pressure drops in the pneumatic circuit.

Selection and troubleshooting

Consult your authorized distributor to confirm exact fitment for your specific vehicle chassis.

OE cross-reference

1100 040 021 (Single Cylinder Compressor) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A4127040050SP1.

Technical Specifications

Technical Specifications
Cylinder BoreØ85.00
Stroke42 mm
Swept Volume238cm³
Air Inlet PortM26x1,5
Air Outlet PortØ30
Number of Cylinders1
Through DriveOK
Water (W) or Air (A) CooledW
Water Inlet PortM14x1,5
Water Outlet PortM14x1,5
Water Cooled Valve PlateOK

Other OEMs

MERCEDES BENZ

  • A9061305015SP1
  • A9061304115SP1
  • A9061302815SP1
  • A9061301115SP1
  • A9061300715SP1
  • A4127040050SP1
  • A4127040040SP1
  • 9061305015 SP1
  • 9061304115 SP1
  • 9061301115 SP1
  • 906.130.5015 SP1
  • 906.130.50.15 SP1
  • 906.130.4115 SP1
  • 906.130.41.15 SP1
  • 906 130 5015 SP1
  • 906 130 4115 SP1
  • 412 704 005 0 SP1
  • 412 704 004 0 SP1
  • 906 130 50 15 SP1
  • 906 130 41 15 SP1
  • 906 130 28 15 SP1
  • 906 130 11 15 SP1
  • 906 130 07 15 SP1

WABCO

  • 4111510030SP1
  • 4111510030 SP1
  • 411 151 003 0 SP1

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
WABCO

FAQ

What is the main function of this single cylinder compressor?
It acts as the primary source of compressed air for the vehicle's braking system, ensuring sufficient pressure is maintained in the tanks for safe operation.
How does the cooling system work on this unit?
This is a water-cooled model, utilizing specific M14x1.5 ports to allow liquid coolant to regulate operating temperatures during heavy-duty use.
What are the key technical dimensions for this part?
The unit features a cylinder bore of Ø85.00 mm, a stroke of 42 mm, and an air inlet port size of M26x1.5.
How can I ensure this compressor fits my vehicle?
Check the compatibility list or consult your authorized distributor with your vehicle's chassis number to verify exact fitment.
What are the OE reference numbers of this part?
1100 040 021 directly replaces Mercedes-Benz OE number A4127040050SP1.