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9P921251 BMC Twin Cylinder, Air Compressor

1900 090 002

Summary

●Cylinder Bore: Ø86.00 ●Stroke: 40 mm ●Swept Volume: 460cm³ ●Air Inlet Port: M26x1,5 ●Air Outlet Port: M26x1,5 ●Number of Cylinders: 2 ●Through Drive: OK ●Water (W) or Air (A) Cooled: W ●Water Inlet Port: M16x1,5 ●Water Outlet Port: M16x1,5 ●Weight: 23,5 KG

EAN Code8699031060842
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Compatible OEM Codes

  • KNORR-BREMSE LP4871 K035001N00 1194456
  • BMC 9P921251

Description

This heavy-duty air compressor is engineered to provide reliable pneumatic pressure for heavy commercial vehicle systems. As a twin cylinder component, it is designed to maintain consistent performance under demanding operational conditions, ensuring the longevity of the vehicle's air brake system.

9P921251 is the OE-equivalent BMC 9P921251 Twin Cylinder, Air Compressor used in BMC vehicles. This high-strength component is manufactured to meet strict technical standards for compatibility and durability within the air compressor category.

For workshop technicians, this unit features a water-cooled design with specific M16x1,5 ports for inlet and outlet to manage thermal loads effectively. The assembly includes a through-drive mechanism and a 460cm³ swept volume to ensure optimal air delivery. Regular inspection of the M26x1,5 inlet and outlet ports is recommended during routine service intervals to maintain system efficiency.

Designed for professional service environments, this part ensures seamless integration into existing heavy-duty pneumatic architectures. It is an essential component for maintaining the operational integrity of the engine's air supply system.

Technical Specifications

Cylinder BoreØ86.00
Stroke40 mm
Swept Volume460cm³
Air Inlet PortM26x1,5
Air Outlet PortM26x1,5
Number of Cylinders2
Through DriveOK
Water (W) or Air (A) CooledW
Water Inlet PortM16x1,5
Water Outlet PortM16x1,5
Water Cooled Valve PlateOK
Weight23,5 KG

Other OEMs

BMC

  • 9P921251

KNORR-BREMSE

  • LP4871
  • K035001N00
  • 1194456

Related Products

Vehicles Used

BrandModelEngine
BMC
KNORR-BREMSE

FAQ

What are the compatible OEM numbers for this air compressor?
This product is a direct replacement for the BMC 9P921251 part number.
Is this component compatible with BMC heavy commercial vehicles?
Yes, this twin cylinder air compressor is specifically designed for compatibility with BMC systems.
What are the technical port specifications for this unit?
The unit features an M26x1,5 air inlet/outlet port and M16x1,5 water inlet/outlet ports.
Does this air compressor require water cooling?
Yes, this is a water-cooled (W) component designed for heavy-duty thermal management.
What is the cylinder bore and stroke for this model?
The unit features a Ø86.00 cylinder bore and a 40 mm stroke for optimal performance.