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II30899 KNORR-BREMSE Twin Cylinder, Air Compressor

1300 050 005

Summary

The II30899 Twin Cylinder, Air Compressor is a high-strength component engineered for heavy commercial vehicle air systems. It features a Ø88.00 cylinder bore, 50 mm stroke, and a 608cm³ swept volume. Designed with a water-cooled system (W) and an M26x1,5 air outlet port, it ensures stable pneumatic pressure and long-term reliability in demanding workshop environments.

EAN Code8699031049793
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Description

This heavy-duty air compressor is a vital component for maintaining consistent pneumatic pressure within the vehicle's air brake system. Engineered as a twin-cylinder unit, it provides reliable air compression through a robust mechanical design. The component features a precision-engineered Ø88.00 cylinder bore and a 50 mm stroke, facilitating an efficient 608cm³ swept volume for optimized performance in heavy commercial vehicle applications.

II30899 is the OE-equivalent of the KNORR-BREMSE II30899 Twin Cylinder, Air Compressor used in KNORR-BREMSE systems. This part is specifically designed to meet strict technical requirements for compatibility and fitment within high-pressure pneumatic environments. It utilizes a water-cooling mechanism with M16x1,5 inlet and outlet ports to manage thermal loads during intensive operation.

For workshop technicians, this unit offers seamless assembly thanks to its standardized M26x1,5 air outlet port and M22x1,5 unloader port. The integration of the ESS feature and the water-cooled valve plate ensures that the compressor maintains structural integrity under high temperatures. Regular inspections of the water inlet and outlet connections are recommended to ensure optimal thermal management during routine service intervals.

Maintaining the air brake system with high-strength components like this one prevents pressure drops and ensures the safety of the entire braking circuit. This twin cylinder model is built to withstand the rigorous duty cycles typical of long-haul transport and heavy machinery operations.

Technical Specifications

Cylinder BoreØ88.00
Stroke50 mm
Swept Volume608cm³
Air Inlet PortØ29
Air Outlet PortM26x1,5
Number of Cylinders2
Through DriveOK
Air Unloader PortM22x1,5
Water (W) or Air (A) CooledW
Water Inlet PortM16x1,5
Water Outlet PortM16x1,5
With ESS FeatureOK
Water Cooled Valve PlateOK

Other OEMs

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Vehicles Used

BrandModelEngine
KNORR-BREMSE
VOLVO

FAQ

What are the technical specifications for the II30899 model?
The unit features a Ø88.00 cylinder bore, 50 mm stroke, 608cm³ swept volume, and an M26x1,5 air outlet port.
Which brands is this air compressor compatible with?
This product is designed to be compatible with KNORR-BREMSE systems and specifically serves as an OE equivalent for code II30899.
Is this a water-cooled or air-cooled component?
This is a water-cooled (W) system featuring M16x1,5 water inlet and outlet ports for optimal temperature regulation.
What is the primary function of this twin cylinder compressor?
It functions as a critical part of the air brake system, providing necessary compressed air for heavy commercial vehicle pneumatic operations.
Does this part include an ESS feature?
Yes, this model includes the ESS feature and is equipped with a water-cooled valve plate for enhanced durability.