CATEngine Parts

225-5640 Valve Rocker Arm — Cat

This valve rocker arm is a crucial component in the engine's valvetrain, pivoting to transfer the motion from the camshaft to the valves, controlling their opening and closing. Manufactured with hardened surfaces for high wear resistance, it ensures precise valve actuation superior to a worn or bent rocker arm. Operators may observe ticking or knocking noises from the engine, rough idling, or a noticeable reduction in engine power when this part begins to fail.

Valve Rocker Arm – Part No 225-5640 – CAT Spare Part
Part Specifications
BrandCAT
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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

};

Related CAT Parts

From the same category — may also be needed

1099368
Engine Parts Component
170-9827
Bucket Cylinder Seal Kit
4C4788
O-Ring Seal Kit Metric
4d-4064
Bearing
285-3473
2 3Mm Thick Wear Strip
7e-9798
Radiator

Browse all CAT Engine Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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 TypeValve Rocker Arm
MaterialHardened steel
ApplicationEngine valvetrain
Service LifeReplace if worn, bent, or damaged
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The primary symptom of a failing rocker arm is an audible ticking or knocking sound originating from the engine's cylinder head area. If left unaddressed, this can lead to inconsistent valve operation, resulting in rough idling and a loss of engine power. Continued operation risks damage to the camshaft, valve, or cylinder head.

Installation Tip

Ensure the valve lash is correctly adjusted after installing the new rocker arm according to the manufacturer's specifications. Avoid overtightening the rocker arm pedestal bolts, as this can damage the cylinder head.

Service Note

Inspect the camshaft lobes and valve stems for wear or pitting, and check the valve springs for proper tension when replacing a rocker arm.