VolvoBrake Parts

20884121 Air Dryer Kit — Volvo FMX FE Series trucks — FH400

This is a comprehensive Air Dryer Kit designed to service the vehicle's compressed air system, focusing on moisture and contaminant removal. It ensures the integrity and reliable operation of the air brake system by maintaining dry air quality. Observable symptoms of a failing kit include air leaks, reduced braking effectiveness, or a frozen air system in cold conditions.

Air Dryer Kit – Part No 20884121 – 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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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 Dryer Service Kit
MaterialVarious (Seals, Filters, Cartridges)
ApplicationAir Brake System Maintenance
Service LifeReplace annually or per manufacturer schedule
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A persistent air leak from the dryer unit or a significant increase in moisture expelled during system purging are common signs of a worn kit. If left unaddressed, this can lead to brake system freezing, component corrosion, and reduced braking performance. This compromises the vehicle's safety and operational reliability.

Installation Tip

Carefully clean the mounting surfaces and ensure all new seals are properly seated to prevent air leaks. Do not reuse old O-rings or gaskets.

Service Note

While servicing the air dryer, check the air compressor's performance and inspect the air tanks for any signs of water accumulation.