VolvoBrake Parts

85013179 — Air Brake Compressor 21388369 85013179 4127040240 For Volvo Truck

This air brake compressor is the heart of the vehicle's air brake system, generating the compressed air necessary for brake application and other pneumatic functions. Built to rigorous standards, it ensures consistent air pressure delivery, unlike worn compressors that can lead to slow brake response or system leaks. Operators may notice a lack of air pressure, slow air build-up, or continuous compressor cycling as signs of failure.

Air Brake Compressor 21388369 85013179 4127040240 For Volvo Truck – Part No 85013179 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryBrake 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Always replace brakes in axle sets. Bed-in new brake pads with 8–10 moderate stops from 40 km/h. Check disc runout with a dial gauge — maximum 0.1 mm. Inspect caliper slides and pistons when replacing pads.

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 aluminum alloy
ApplicationAir brake system
Service LifeReplace as needed based on performance and inspection
CompatibilityVolvo Truck (refer to specific model/serial number)
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common symptom of a failing air brake compressor is a prolonged time to build air pressure or an inability to reach full system pressure. If ignored, this can lead to intermittent brake application or complete loss of braking ability, posing a significant safety hazard.

Installation Tip

Ensure all air lines are properly connected and sealed before pressurizing the system to prevent leaks. Do not reuse old mounting hardware; use new bolts and gaskets as recommended.

Service Note

Replace the air dryer cartridge and inspect all air lines and reservoirs for leaks when servicing the air brake compressor.