VolvoEngine Parts

21406640 — Exhaust Rocker Arm 21406640 For Volvo Engine D13 Truck A35F Fh Fm Bus B13R

This exhaust rocker arm is a critical component within the engine's valve train system, controlling the opening and closing of exhaust valves. It is manufactured to meet stringent Volvo quality standards, ensuring superior durability and performance compared to a worn or damaged arm that may exhibit excessive play or surface pitting. Operators may notice a loss of engine power, rough idling, or increased exhaust smoke if this component begins to fail.

Exhaust Rocker Arm 21406640 For Volvo Engine D13 Truck A35F Fh Fm Bus B13R – Part No 21406640 – 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 TypeExhaust Rocker Arm
MaterialForged Steel
ApplicationEngine Valve Train
Service LifeInspect every 1,000 hrs; replace as needed
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing exhaust rocker arm include a ticking noise from the engine and a slight reduction in engine performance. If left unaddressed, the arm can wear excessively, leading to improper valve seating and potential combustion blow-by. This can result in significant power loss and increased emissions.

Installation Tip

Ensure the camshaft is on the base circle before attempting to adjust or replace the rocker arm. Overtightening the adjustment screw can damage the valve stem or the rocker arm itself.

Service Note

When replacing an exhaust rocker arm, it is recommended to inspect the corresponding camshaft lobe and valve stem for wear.