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1300 235 002 Volvo Compatible Twin Cylinder Compressor

1300 235 002

Summary

This water-cooled twin cylinder air compressor is designed for heavy commercial vehicle pneumatic systems. Featuring a 56 mm stroke and a 636m³ swept volume, it provides reliable air pressure for Volvo and Renault Trucks engines such as D13K and DTI13. High-strength components ensure durability in demanding service environments. Equivalent to OE Volvo 21749961 and WABCO 9125120220.

Product identifiers
EAN Code8683457020153
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Compatible OEM Codes

  • WABCO
    • 912 512 028 0
    • 912 512 022 0
  • VOLVO
    • 21984259
    • 21749961

Description

What does a twin cylinder air compressor do?

This twin cylinder air compressor serves as a critical engine-driven component within the pneumatic air brake system of heavy commercial vehicles. By utilizing two piston-cylinder assemblies, it generates the high-pressure compressed air required for reliable braking performance and system actuation. This specific unit is designed with water-cooled technology to manage thermal loads effectively during continuous operation.

Vehicle compatibility and engine fitment

This compressor is compatible with Volvo trucks including FH, FM, FMX, and VNL models, as well as Renault Trucks C, K, and T series. It is also fitted to Mack Anthem vehicles and various Volvo bus configurations like B11R and B13R. These units are engineered to work seamlessly with Volvo and WABCO systems to maintain stable pneumatic pressure.

Installation and maintenance guidance

For proper installation, technicians should verify the water inlet and outlet ports (M16x1,5) and ensure the through drive mechanism aligns with the engine mounting. Regular inspection of the air inlet port (Ø35) and the water-cooled valve plate is recommended to maintain optimal swept volume performance of 636m³ and prevent system leaks.

Selection guidance

Consult your authorized distributor to confirm exact fitment for your specific engine model.

OE cross-reference

1300 235 002 (Twin Cylinder Compressor) is the equivalent of the Volvo and WABCO OE numbers. This part directly replaces Volvo OE numbers 21749961, 21984259. It also replaces WABCO OE numbers 9125120220, 9125120280.

Technical Specifications

Technical Specifications
Port 12Ø85.00
Stroke56 mm
Swept Volume636m³
Air Inlet PortØ35
Air Outlet PortM26x1,5
Number of Cylinders2
Through DriveOK
Air Unloader PortM16x1,5
Water (W) or Air (A) CooledW
Water Inlet PortM16x1,5
Water Outlet PortM16x1,5
Water Cooled Valve PlateOK

Other OEMs

VOLVO

  • 21984259
  • 21749961

WABCO

  • 9125120280
  • 9125120220
  • 912 512 028 0
  • 912 512 022 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MACK Anthem MP8
RENAULT TRUCKS C DTI13
RENAULT TRUCKS K DTI11
RENAULT TRUCKS T DTI13
VOLVO
VOLVO B11R D11K
VOLVO B13R D13K
VOLVO FH (FH4/FH5) D11K
VOLVO FH (FH4/FH5) D13K
VOLVO FH16 D16K
VOLVO FM D11K
VOLVO FM D13K
VOLVO FMX D11K
VOLVO FMX D13K
VOLVO TAD1350-1360VE D13
VOLVO VNL D13
WABCO

FAQ

What is the function of a twin cylinder air compressor?
It is an engine-driven unit that produces compressed air for the pneumatic brake system, providing higher output than single-cylinder versions.
Which vehicle brands are compatible with this unit?
This compressor is compatible with Volvo, Renault Trucks, and Mack Anthem heavy commercial vehicles.
How does the cooling system work on this model?
This is a water-cooled unit utilizing M16x1,5 ports to manage heat, ensuring stable performance under heavy loads.
What are the key technical specifications?
The unit features a 56 mm stroke, a 636m³ swept volume, and an M26x1,5 air outlet port.
What are the OE reference numbers of this part?
1300 235 002 directly replaces Volvo OE numbers 21749961, 21984259. It also replaces WABCO OE numbers 9125120220, 9125120280.