VolvoSeals & O-Rings

20858371 Gasket — Volvo FH12 FH16

This is a precision-engineered gasket designed to create a tight seal between mating engine or hydraulic components, preventing fluid or gas leakage. Manufactured to meet rigorous OEM specifications, it offers superior durability and sealing performance compared to a worn or degraded gasket. Observable symptoms of a failed gasket include external fluid leaks, internal fluid mixing (e.g., oil in coolant), or loss of compression.

Gasket – Part No 20858371 – Volvo Spare Part
Part Specifications
BrandVolvo
CategorySeals & O-Rings
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 match seal material to fluid type — NBR for petroleum, FKM (Viton) for high-temperature/chemical applications. Lubricate seals with clean fluid before fitting — never grease. Check shaft surface for scoring — rough surfaces destroy new seals within hours.

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

Part TypeGasket
MaterialComposite Fiber, Steel
ApplicationEngine or hydraulic system component sealing
Service LifeReplace as needed based on inspection or leak detection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial sign of a failing gasket is often a visible leak of oil, coolant, or other fluids from the joint. If ignored, the leak can escalate, potentially leading to fluid loss, overheating, or cross-contamination between systems. Persistent leakage can also lead to corrosion or damage to adjacent components.

Installation Tip

Always ensure that both mating surfaces are perfectly clean and free of any residual gasket material or oil before fitting the new gasket. Avoid overtightening fasteners, as this can distort the gasket and cause immediate failure.

Service Note

Inspect the condition of the fasteners and the flatness of the mating surfaces for any signs of damage or wear.