CATEngine Parts

8n-2051-0r-8169 Brake Air Compressor — Cat 3204 916

This is a brake air compressor, responsible for generating compressed air to operate the vehicle's braking system. It is built to CAT's exacting standards, ensuring consistent air pressure for safe and effective braking, unlike worn compressors that may fail to build adequate pressure. Operators may experience a spongy brake pedal, prolonged stopping distances, or the air brake system warning light illuminating when this compressor is malfunctioning.

Brake Air Compressor – Part No 8n-2051-0r-8169 – 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 TypeBrake Air Compressor
MaterialCast Iron, Steel, Rubber
ApplicationAir Brake System
Service LifeReplace as needed based on performance
CompatibilityCAT specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing brake air compressor may initially manifest as a slow build-up of air pressure in the system, leading to a softer brake pedal feel. If ignored, the compressor may cease to generate adequate pressure, resulting in the air brake warning light activating and significantly reduced braking effectiveness. This poses a serious risk to equipment operation and safety due to compromised stopping capability.

Installation Tip

Ensure all air lines are properly connected and sealed to prevent leaks before mounting the compressor. Do not overtighten the mounting bolts, as this can distort the compressor housing.

Service Note

Inspect and clean or replace the air intake filter and check all air lines for leaks when replacing the brake air compressor.