CATElectrical Parts

1074402 24V 21W — Cat 320C 320D

This is a 24-volt, 21-watt bulb, commonly used as an indicator or warning light in the equipment's electrical system. It is manufactured to meet specific lighting and durability standards, providing consistent illumination compared to a burnt-out or flickering bulb. A failed bulb will result in a non-functional warning light or indicator on the operator's console, potentially leaving critical system status uncommunicated.

24V 21W – Part No 1074402 – CAT Spare Part
Part Specifications
BrandCAT
CategoryElectrical 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

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

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

Part TypeIncandescent Bulb
MaterialGlass, Tungsten filament
ApplicationIndicator/Warning light
Service LifeReplace as needed based on illumination
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most obvious symptom of a failed bulb is a lack of illumination for its intended function, such as a warning light not turning on. If multiple bulbs fail, it can lead to a general dimming of the instrument panel or a complete loss of critical visual alerts. Continued operation without functional indicators can result in missed warnings about system malfunctions.

Installation Tip

Handle the bulb by its base only, avoiding touching the glass with bare fingers, as oils can cause premature failure. Ensure the bulb is fully seated in its socket before restoring power.

Service Note

When replacing an indicator bulb, check the condition of the socket for any corrosion or damage that might affect electrical contact.