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lk4951 Twin Cylinder Compressor for Scania

1400 090 008

Summary

High-performance twin cylinder compressor compatible with Scania heavy commercial vehicles. This water-cooled unit features a Ø86.00 mm cylinder bore, 62 mm stroke, and a 720cm³ swept volume to ensure reliable air pressure for braking systems. Includes ESS feature and water-cooled valve plate. Equivalent to OE Knorr-Bremse K053643N00SP2 and Scania 2024412SP1.

Product identifiers
EAN Code8699031066967
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Compatible OEM Codes

  • KNORR-BREMSE
    • LK4951 SP2
    • LK4951 SP1
    • K053643N55 SP1
    • K053643N00 SP2
  • SCANIA
    • 2024412 SP1

Description

This twin cylinder compressor is engineered to provide high-capacity air generation for heavy commercial vehicle braking systems. By utilizing a dual-cylinder configuration, it delivers the rapid air flow required for intensive air consumption scenarios, ensuring consistent pressure throughout the pneumatic circuit. The unit is constructed with high-strength components to withstand demanding operational cycles.

This specific model is designed for Scania trucks and is compatible with Knorr-Bremse systems. The design incorporates a water-cooling mechanism integrated into the engine cooling circuit to prevent overheating during sustained heavy-load operation. It features an M26x1.5 air inlet port, an M22x1.5 air outlet port, and an M18x1.5 water inlet and outlet configuration for precise installation.

For proper maintenance, technicians should regularly inspect the water-cooled valve plate and ensure all ports, including the M10x1 unloader port, are free of debris. Maintaining the integrity of the cooling lines is essential for preventing overheating. When replacing an existing unit, always verify that the drive gear and mounting flange align perfectly with the engine requirements.

This component is essential for maintaining optimal brake system response in heavy-duty applications.

OE cross-reference

lk4951 (Twin Cylinder Compressor) is the equivalent of the Knorr-Bremse and Scania OE numbers. This part directly replaces Knorr-Bremse OE numbers K053643N00SP2, K053643N55SP1, LK4951 SP1, LK4951SP2. It also replaces Scania OE number 2024412SP1.

Technical Specifications

Technical Specifications
Cylinder BoreØ86.00
Stroke62 mm
Swept Volume720cm³
Air Inlet PortM26x1,5
Air Outlet PortM22x1,5
Number of Cylinders2
Through DriveOK
Air Unloader PortM10x1
Water (W) or Air (A) CooledW
Water Inlet PortM18x1,5
Water Outlet PortM18x1,5
With ESS FeatureOK
Water Cooled Valve PlateOK

Other OEMs

KNORR-BREMSE

  • LK4951 SP2
  • LK4951 SP1
  • K053643N55 SP1
  • K053643N00 SP2

SCANIA

  • 2024412 SP1

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
SCANIA

FAQ

Can I install this twin cylinder compressor on any vehicle?
This unit is designed specifically for Scania trucks and must be compatible with the existing Knorr-Bremse or Scania systems. Always verify that the mounting flange and drive gear match your engine.
What are the key technical specifications of this unit?
This water-cooled compressor features a Ø86.00 mm cylinder bore, a 62 mm stroke, and a total swept volume of 720cm³. It utilizes M26x1.5 and M22x1.5 ports.
Why is water cooling important for this compressor?
The water-cooled design connects to the engine's cooling circuit to prevent overheating during long-haul or heavy-load operations, ensuring stable performance under pressure.
How do I know if this is the correct replacement?
It is vital to check that the drive mechanism, port sizes (M18x1.5 water ports), and unloader port (M10x1) match the original component exactly to avoid system failure.
What are the OE reference numbers of this part?
lk4951 directly replaces Knorr-Bremse OE numbers K053643N00SP2, K053643N55SP1, LK4951 SP1, LK4951SP2. It also replaces Scania OE number 2024412SP1.