VolvoEngine Parts

22558084 Breather Cap — Volvo FMX FE Series trucks — FH400

This breather cap is a critical component of the engine's crankcase ventilation system, allowing pressure to equalize and preventing the buildup of harmful blow-by gases. It is manufactured to meet stringent OEM quality standards, ensuring a secure seal that a worn or damaged cap cannot provide. A failing breather cap may manifest as oil leaks around the engine or an unusual smell of exhaust fumes within the cabin.

Breather Cap – Part No 22558084 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypeBreather Cap
MaterialDurable plastic or rubber composite
ApplicationEngine crankcase ventilation
Service LifeReplace every 5,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing breather cap might be a slight oil seepage around engine seals or a faint exhaust odor inside the cab. If left unaddressed, internal engine pressure can increase, leading to more significant oil leaks and potential contamination of engine oil. Continued operation with a faulty cap risks accelerated wear on engine components due to improper crankcase ventilation.

Installation Tip

Ensure the mounting surface on the engine is clean and free of old gasket material before installing the new cap. Overtightening the cap can crack the housing or damage the seal, so snug it down firmly but avoid excessive force.

Service Note

Inspect the crankcase ventilation hoses and seals for any signs of damage or blockage when replacing the breather cap.