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11 31 11 Compressor Cylinder Head, Air Brake Compressors
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11 31 11 Compressor Cylinder Head for Mercedes-Benz

11 31 11

Summary

This compressor cylinder head is engineered for heavy commercial vehicle air brake systems, ensuring reliable compression. It is compatible with Mercedes-Benz vehicles and Voith systems, providing a high-strength alternative for professional maintenance. Equivalent to OE Knorr-Bremse LP700S1 and Mercedes-Benz 4571304015S2.

Product identifiers
EAN Code8699031098111
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Compatible OEM Codes

  • MERCEDES BENZ
    • 457 130 65 15 S1
    • 457 130 40 15 S2
  • KNORR-BREMSE
    • LP700 S1

Description

What does a compressor cylinder head do?

This compressor cylinder head is a critical component within the air brake compressor assembly, designed to manage the combustion or compression chamber pressure effectively. Built with high-strength components, it ensures the durability required for heavy commercial vehicle operations under sustained loads.

Compatible vehicles and engines

This part is compatible with Mercedes-Benz vehicles and is also fitted to Mercedes-Benz trucks. It serves as a reliable replacement for components used in systems compatible with Voith systems. For precise fitment, always verify the compressor model and architecture.

Installation and maintenance

When performing maintenance, technicians should inspect the cylinder head for surface irregularities or leaks around the seating areas. Ensuring the head is properly torqued according to service standards prevents air pressure loss within the pneumatic system.

Troubleshooting and selection

Selecting the correct cylinder head is vital for maintaining optimal air pressure delivery. If air demand fluctuates or pressure drops occur, inspecting this component alongside the valve plate can help identify the root cause of system failure.

OE cross-reference

11 31 11 (Compressor Cylinder Head) is the equivalent of the Knorr-Bremse and Mercedes-Benz OE numbers. This part directly replaces Knorr-Bremse OE number LP700S1. It also replaces Mercedes-Benz OE numbers 4571304015S2, 4571306515S1.

Other OEMs

KNORR-BREMSE

  • LP700 S1

MERCEDES BENZ

  • A4571306515S1
  • A4571304015S2
  • 4571306515S1
  • 4571304015S2
  • 457 130 65 15 S1
  • 457 130 40 15 S2

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MERCEDES BENZ
VOITH

FAQ

What is the function of a compressor cylinder head?
The cylinder head seals the top of the compression chamber, providing a stable environment for air compression within the pneumatic system.
Which vehicle brands are compatible with this part?
This component is compatible with Mercedes-Benz vehicles and works within systems compatible with Voith.
How can I ensure correct fitment for my compressor?
Selection should be based on the specific compressor architecture and its own reference number to ensure compatibility with your vehicle's engine.
What are signs of a failing cylinder head?
A failing cylinder head may cause insufficient air pressure buildup, visible air leaks, or unusual noise during the compression cycle.
What are the OE reference numbers of this part?
11 31 11 directly replaces Knorr-Bremse OE number LP700S1. It also replaces Mercedes-Benz OE numbers 4571304015S2, 4571306515S1.