VolvoHydraulic Parts

20701803 — Compressor Cylinder Head 20701803 For Volvo Fh12 Fm12 Nh12 D12 Truck

This is a compressor cylinder head for Volvo D12 engines, a critical component of the air brake system that compresses air for operation. It is precision-engineered with durable materials to withstand high pressures and temperatures, ensuring reliable air generation, unlike a worn head that may leak or fail to compress air effectively. Operators may notice a loss of air pressure, a continuously running compressor, or air leaks from the compressor unit if the cylinder head is compromised.

Compressor Cylinder Head 20701803 For Volvo Fh12 Fm12 Nh12 D12 Truck – Part No 20701803 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeCompressor Cylinder Head
MaterialCast Iron
ApplicationAir Compressor System
Service LifeReplace based on inspection or failure
CompatibilityVolvo 20701803
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a faulty compressor cylinder head is often the inability of the air system to build and maintain adequate pressure. This can lead to the compressor running continuously without reaching the cut-out pressure. If left unaddressed, this can result in insufficient air for braking, compromising vehicle safety, and potentially causing the compressor to overheat.

Installation Tip

Ensure the mating surfaces on the cylinder block and head are perfectly clean and free of any old gasket material or debris. Torque the cylinder head bolts in the specified sequence and to the correct torque values to ensure a proper seal.

Service Note

Inspect the air dryer, air governor, and all air lines for leaks or damage when replacing the compressor cylinder head.