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20574763 SP1 Twin Cylinder Compressor for Volvo FM9

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20574763 SP1 Volvo FM9 D9B Twin Cylinder Compressor

1300 185 002

Summary

High-performance water-cooled twin cylinder compressor designed for Volvo FM9 D9B engines. This heavy-duty component features an 85mm cylinder bore, 62mm stroke, and an M26x1.5 air outlet port to ensure reliable pneumatic system pressure for heavy commercial vehicles. Equivalent to OE Volvo 20574763SP1.

Product identifiers
EAN Code8699031050126
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Compatible OEM Codes

  • WABCO
    • 412 704 016 7 SP1
    • 412 704 016 0 SP1
    • 412 704 013 7 SP1
    • 412 704 013 0 SP1
    • 412 704 007 7 SP1
    • 412 704 007 0 SP1
    • 412 704 002 7 SP1
    • 412 704 002 0 SP1
  • VOLVO
    • 85000491 SP1
    • 70330056 SP1
    • 20866605 SP1
    • 20775224 SP1
    • 20574763 SP1

Description

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the air brake system, providing the necessary compressed air for braking and pneumatic operations. Engineered with high-strength components, it ensures stable pressure delivery even under heavy-duty operating conditions.

Vehicle and engine compatibility

Specifically designed for Volvo FM9 trucks equipped with D9B engines, this unit features a water-cooled design to maintain thermal stability during sustained operation. The assembly includes a water-cooled valve plate and an integrated ESS feature to optimize performance within the vehicle's pneumatic circuit.

Installation and maintenance

For correct installation, technicians should verify the water inlet and outlet ports (M16x1.5) and the air outlet (M26x1.5) match the existing vehicle setup. This gear-driven unit ensures precise torque transmission and eliminates the risk of belt slip during high-demand cycles.

Selection guidance

Always verify that the drive gear type and mounting flange align with the original equipment requirements before installation to ensure perfect system integration.

OE cross-reference

1300 185 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20574763SP1.

Technical Specifications

Technical Specifications
Cylinder BoreØ85.00
Stroke62 mm
Swept Volume704cm³
Air Inlet PortØ35
Air Outlet PortM26x1,5
Number of Cylinders2
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

Other OEMs

VOLVO

  • 85000491 SP1
  • 70330056 SP1
  • 20866605 SP1
  • 20775224 SP1
  • 20574763 SP1

WABCO

  • 4127040167SP1
  • 4127040160SP1
  • 4127040160 SP1
  • 4127040137SP1
  • 4127040130SP1
  • 4127040130 SP1
  • 4127040077SP1
  • 4127040070SP1
  • 4127040027SP1
  • 4127040020SP1
  • 412.704.016.0 SP1
  • 412.704.013.0 SP1
  • 412 704 016 7 SP1
  • 412 704 016 0 SP1
  • 412 704 013 7 SP1
  • 412 704 013 0 SP1
  • 412 704 007 7 SP1
  • 412 704 007 0 SP1
  • 412 704 002 7 SP1
  • 412 704 002 0 SP1

Related Products

Repair Kits

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Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
RENAULT TRUCKS Magnum DXi12
VOLVO
VOLVO B9L D9B
VOLVO B9R D9B
VOLVO B9TL D9B
VOLVO FE D9B
VOLVO FH12 D12C
VOLVO FH12 D12D
VOLVO FH16 D16C
VOLVO FM10 D10A
VOLVO FM12 D12C
VOLVO FM12 D12D
VOLVO FM9 D9A
VOLVO FM9 D9B
VOLVO NH12 D12C
VOLVO TAD1140-1172VE D9
VOLVO VHD D12
VOLVO VNL D12
WABCO

FAQ

What is the cooling type of this compressor?
This is a water-cooled unit designed to connect to the engine's coolant circuit, which helps maintain thermal stability during long hauls.
Can I use a twin cylinder compressor instead of a single cylinder one?
This is only possible if the vehicle manufacturer specifies a twin-cylinder variant for that specific engine to ensure correct air demand matching.
What are the key technical specifications for this unit?
The unit features an 85mm cylinder bore, a 62mm stroke, and an M26x1.5 air outlet port, specifically designed for water-cooled systems.
How should I verify compatibility with my vehicle?
It is essential to match the part against the removed unit's OE number and confirm the drive gear type and port sizes match exactly.
What are the OE reference numbers of this part?
1300 185 002 directly replaces Volvo OE number 20574763SP1.