CATEngine Parts

124-5572 Air Compressor Relief Valve — Cat C15

This air compressor relief valve regulates the pressure within the air brake system, preventing over-pressurization and ensuring safe operation. It is built to OEM specifications, offering reliable pressure control and longevity over a worn or stuck valve. Operators may notice a hissing sound from the compressor area or an inability for the air system to build sufficient pressure when this valve fails.

Air Compressor Relief Valve – Part No 124-5572 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeAir Compressor Relief Valve
MaterialBrass, Steel
ApplicationAir Brake System
Service LifeReplace as needed based on system checks
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A common initial symptom is a continuous air leak or hissing sound from the compressor area. If left unaddressed, the air system may struggle to build adequate pressure, leading to intermittent braking performance. This can compromise vehicle safety.

Installation Tip

Ensure the air compressor's unloader mechanism is functioning correctly before installing the new valve. Do not overtighten the valve into the compressor housing.

Service Note

When replacing the relief valve, inspect the air dryer and all air lines for moisture or damage.