VolvoEngine Parts

20459850 — Rocker Arm 20459850 For Volvo Engine Td420Ve Tad420Ve Tad620Ve Excavator Ew160B Ec140B Ec210B Loader Bl70 L60E L90E

This rocker arm is a crucial component within the engine's valvetrain, responsible for transferring the motion from the camshaft to the valves. Manufactured from high-strength steel, it is designed to withstand the high temperatures and stresses of continuous operation, offering superior durability compared to a worn or damaged arm. Symptoms of a faulty rocker arm include engine misfires, ticking or knocking noises from the cylinder head, and a significant loss of engine performance.

Rocker Arm 20459850 For Volvo Engine Td420Ve Tad420Ve Tad620Ve Excavator Ew160B Ec140B Ec210B Loader Bl70 L60E L90E – Part No 20459850 – 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 TypeRocker Arm
MaterialForged Steel
ApplicationValvetrain System
Service LifeReplace as needed based on inspection
CompatibilityVolvo TD420VE TAD420VE TAD620VE
ConditionNew — OEM specification aftermarket

Failure Symptoms

A worn or damaged rocker arm will initially cause an audible ticking or tapping noise from the cylinder head that increases with engine RPM. This can progress to engine misfires, rough running, and a noticeable decrease in power. If left unaddressed, continued operation can lead to severe valvetrain damage and potential piston-to-valve contact.

Installation Tip

Before installation, carefully inspect the valve stem tip and camshaft lobe for any signs of wear or damage. Ensure the new rocker arm pivots freely on its mounting point without binding.

Service Note

When replacing a rocker arm, it is advisable to inspect the camshaft lobes and valve springs for wear or damage.