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20733974 SP1 Single Cylinder Compressor for Volvo NH12

1300 025 004

Summary

High-performance single cylinder compressor designed for Volvo NH12 trucks with D12C engines. This water-cooled component features an Ø85.00 mm cylinder bore, a 56 mm stroke, and a swept volume of 318cm³. It includes an ESS feature and is engineered with high-strength components for heavy-duty operation. Equivalent to OE Volvo 20733974SP1.

Product identifiers
EAN Code8699031049564
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Compatible OEM Codes

  • WABCO
    • 912 142 000 0 SP1
    • 912 114 000 0 SP1
    • 912 112 001 0 SP1
    • 912 112 000 0 SP1
  • VOLVO
    • 21353433 SP1
    • 20733974 SP1
    • 20733972 SP1
    • 20451727 SP1

Description

What does a single cylinder compressor do?

This single cylinder air compressor is a critical component within the pneumatic braking system, ensuring reliable air pressure for heavy commercial vehicle operations. Designed to withstand rigorous service conditions, it utilizes high-strength components to maintain consistent performance under high pressure.

Vehicle and engine compatibility

This specific unit is engineered for Volvo NH12 trucks equipped with D12C engines. It is compatible with the requirements of the vehicle's air system, ensuring seamless integration during replacement. The unit features a through-drive design and is specifically optimized for water-cooled engine configurations.

Installation and maintenance guidance

For proper installation, technicians should verify the water inlet and outlet ports, which utilize M16x1.5 connections. The air outlet port is M26x1.5, and the air unloader port is M12x1.5. Ensuring that the cooling lines are properly routed and that all connections are secure is vital for maintaining stable operating temperatures.

Technical selection criteria

When selecting a replacement, it is essential to match the technical specifications such as the Ø85.00 mm bore and the 56 mm stroke to ensure correct volumetric efficiency within the braking circuit.

OE cross-reference

1300 025 004 (Single Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20733974SP1.

Technical Specifications

Technical Specifications
Cylinder BoreØ85.00
Stroke56 mm
Swept Volume318cm³
Air Inlet PortØ35
Air Outlet PortM26x1,5
Number of Cylinders1
Through DriveOK
Air Unloader PortM12x1,5
Water (W) or Air (A) CooledW
Water Inlet PortM16x1,5
Water Outlet PortM16x1,5
With ESS FeatureOK
Water Cooled Valve PlateOK
Weight20,3 KG

Other OEMs

VOLVO

  • 21353433 SP1
  • 20733974 SP1
  • 20733972 SP1
  • 20451727 SP1

WABCO

  • 9121420000SP1
  • 9121420000 SP1
  • 9121140000SP1
  • 9121140000 SP1
  • 9121120010SP1
  • 9121120010 SP1
  • 9121120000SP1
  • 9121120000 SP1
  • 912.142.000.0 SP1
  • 912.114.000.0 SP1
  • 912.112.001.0 SP1
  • 912.112.000.0 SP1
  • 912 142 000 0 SP1
  • 912 114 000 0 SP1
  • 912 112 001 0 SP1
  • 912 112 000 0 SP1

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
RENAULT TRUCKS Magnum DXi12
VOLVO
VOLVO FH12 D12C
VOLVO FH12 D12D
VOLVO FH16 D16C
VOLVO FM10 D10A
VOLVO FM12 D12C
VOLVO FM12 D12D
VOLVO NH12 D12C
VOLVO VHD D12
VOLVO VNL D12
WABCO

FAQ

What type of cooling does this compressor require?
This model is a water-cooled unit, requiring connection to the engine's cooling circuit via the M16x1.5 water inlet and outlet ports.
Is this compressor compatible with Volvo NH12 engines?
Yes, this compressor is designed specifically for use in Volvo NH12 vehicles featuring the D12C engine series.
What are the key technical dimensions of this unit?
The unit features a cylinder bore of Ø85.00 mm, a stroke of 56 mm, and provides a swept volume of 318cm³.
How should I verify compatibility for my vehicle?
Technicians should verify that the drive type, cooling requirements, and port sizes match the existing unit on the vehicle's chassis.
What are the OE reference numbers of this part?
1300 025 004 directly replaces Volvo OE number 20733974SP1.