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20775224 SP1 Twin Cylinder Compressor for Volvo FM9

1300 185 002

Summary

High-performance twin cylinder compressor compatible with Volvo FM9 D9B engines. This water-cooled unit features an Ø85.00 mm cylinder bore, 62 mm stroke, and a 704cm³ swept volume to ensure reliable air pressure for heavy commercial vehicle braking systems. Equivalent to OE Volvo 20775224SP1.

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 is a critical component within the pneumatic braking system, providing the necessary air pressure for heavy commercial vehicle operations. Engineered with high-strength components, it ensures consistent performance under demanding thermal conditions through its integrated water-cooling system.

Vehicle and engine compatibility

This unit is specifically designed for use in Volvo FM9 vehicles equipped with D9B engines. It features a water-cooled design with a water inlet/outlet port size of M16x1,5 and includes an integrated ESS feature to optimize system performance. The through drive configuration ensures reliable power transmission directly from the engine.

Installation and maintenance guidance

For correct installation, technicians should verify that the water cooling connections and the M26x1,5 air outlet port match the existing vehicle setup. Proper maintenance of the cooling circuit is essential to prevent overheating and ensure the longevity of the internal valve plate and cylinders.

Selection and fitment advice

When selecting a replacement, always ensure the drive gear and port locations are an exact match to the removed unit to avoid installation complications.

OE cross-reference

1300 185 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20775224SP1.

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

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

How can I ensure this compressor fits my vehicle?
To ensure correct fitment, confirm that the vehicle brand, model (FM9), and engine (D9B) match exactly. It is also vital to verify that the water cooling ports and air outlet sizes are identical to the original unit.
Is this a water-cooled or air-cooled compressor?
This specific model is a water-cooled unit, designed to connect to the engine's coolant circuit to maintain thermal stability during sustained operation.
What are the key technical specifications of this unit?
This twin cylinder compressor features an Ø85.00 mm cylinder bore, a 62 mm stroke, a 704cm³ swept volume, and an M26x1,5 air outlet port.
Can I install a twin cylinder compressor in place of a single cylinder one?
This is only possible if the vehicle manufacturer specifies a twin-cylinder variant for that engine. The drive gear, mounting flange, and port locations must match exactly.
What are the OE reference numbers of this part?
1300 185 002 directly replaces Volvo OE number 20775224SP1.