CATEngine Parts

149-4915 Air Brake Compressor — Cat

This is an air brake compressor, responsible for generating the compressed air necessary to operate the braking system on heavy-duty vehicles. It is manufactured to meet OEM performance and reliability standards, ensuring consistent air pressure delivery, unlike a worn compressor that may struggle to build or maintain adequate pressure. Operators may notice a slow or incomplete release of air brakes, a continuously running compressor, or a low-air warning light as indicators of a failing unit.

Air Brake Compressor – Part No 149-4915 – 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 Brake Compressor
MaterialCast Iron and Steel
ApplicationVehicle Air Brake System
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing air brake compressor is often a prolonged time to build air pressure, or the inability to reach the required operating pressure. If ignored, the system may not have sufficient air for braking, leading to reduced braking effectiveness and potential safety hazards. The worst-case consequence is the inability to apply brakes reliably, posing a significant risk during operation.

Installation Tip

Ensure the air intake filter and lines are clean and unobstructed to allow proper airflow to the compressor. Avoid overtightening the mounting bolts, which can warp the compressor housing.

Service Note

Inspect the air dryer and reservoir tanks for moisture or oil contamination, and check all air lines for leaks.