VolvoHydraulic Parts

85104248 — Compressor Cylinder Head Complete 85104248 4123529202 For Volvo Truck Fh12 Fm12 Nh12 Fh13 Fm13 Fm9

This is a complete compressor cylinder head, a vital component of the air brake or air suspension system responsible for housing the valves and providing the sealing surface for the compressor's piston. It is manufactured to precise tolerances for optimal sealing and airflow, ensuring reliable air generation, unlike a cracked or worn head that can lead to air leaks and system inefficiency. Operators may notice the air compressor running excessively, the air system not building sufficient pressure, or audible air leaks.

Compressor Cylinder Head Complete 85104248 4123529202 For Volvo Truck Fh12 Fm12 Nh12 Fh13 Fm13 Fm9 – Part No 85104248 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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, aluminum
ApplicationAir brake/suspension system compressor
Service LifeReplace as needed based on inspection
CompatibilityVolvo 4123529202
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a faulty cylinder head is often the air compressor running for extended periods without building adequate system pressure. If ignored, this can lead to insufficient air supply for braking and other air-dependent systems, potentially causing safety issues. In severe cases, a damaged head can lead to compressor failure and a complete loss of air pressure.

Installation Tip

Ensure the mounting surfaces on the compressor block and cylinder head are perfectly clean and flat before installation. Tighten the head bolts in the specified sequence and to the correct torque to prevent leaks.

Service Note

Inspect the compressor valves and piston rings for wear when replacing the cylinder head.