CATElectrical Parts

3T3967 Lamp Gr-Signal — Cat 320C 320D

This is a signal lamp assembly designed to provide clear visual indication for various machine functions. It is constructed from durable materials to withstand harsh operating environments, offering superior longevity over a cracked or faded original lamp. Operators may notice reduced visibility or an inability to signal intentions if this lamp is damaged or non-functional.

Lamp Gr-Signal – Part No 3T3967 – 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 TypeSignal Lamp Assembly
MaterialPolycarbonate lens, durable housing
ApplicationMachine signaling and visibility
Service LifeReplace as needed due to impact or UV exposure
CompatibilityCaterpillar 320C, 320D, 323D, 325D, 329E
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The most immediate sign of failure is a lack of illumination or a physically damaged lens. If ignored, this can lead to reduced operational safety and potential non-compliance with site regulations. The worst consequence is an inability to signal critical operational changes, increasing the risk of accidents.

Installation Tip

Carefully inspect the wiring harness connector for corrosion or damage before attaching the new lamp. Ensure the mounting gasket is properly seated to prevent moisture ingress.

Service Note

Check the functionality of all other indicator lamps and electrical connections in the vicinity during replacement.