VolvoBrake Parts

ELHS10040000847 — For Volvo Fh12 Fm16 Nh12 B12 Air Brake Compressor 20429339 Type Lp4974 Ii37214

This air brake compressor is essential for supplying the compressed air required to operate the braking system on Volvo trucks and buses. Manufactured to meet high-quality standards, it ensures consistent air pressure generation, unlike a worn unit that may lead to insufficient braking power. Operators might notice a slow build-up of air pressure, a continuously running compressor, or air leaks if this component is malfunctioning.

For Volvo Fh12 Fm16 Nh12 B12 Air Brake Compressor 20429339 Type Lp4974 Ii37214 – Part No ELHS10040000847 – 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 Brake Compressor
MaterialCast Iron and Aluminum Alloy
ApplicationAir Brake System
Service LifeReplace based on performance testing, typically 500,000 km or 5 years
CompatibilityVolvo 20429339, LP4974
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing air brake compressor may cause the air pressure in the system to build slowly or not reach the required operating pressure, leading to reduced braking effectiveness. The compressor might also run constantly without reaching its cut-out pressure, indicating internal issues or leaks. If the air supply is compromised, it can lead to a gradual or sudden loss of braking capability, posing a serious safety hazard.

Installation Tip

Ensure the air intake filter is clean and properly connected to prevent contaminants from entering the compressor. Avoid overtightening the mounting bolts, as this can cause stress on the compressor body.

Service Note

Inspect the air dryer, air tanks, and all air lines for leaks or moisture buildup when replacing the air brake compressor.