CATEngine Parts

3443456 Lamp Gp-Hd & Signal Lh — Cat 320C 320D

This is a left-hand heavy-duty and signal lamp assembly, providing essential illumination and signaling for safe operation of Caterpillar equipment. Manufactured to meet robust aftermarket standards, it offers equivalent performance and durability to original equipment, unlike a damaged or non-functional lamp that compromises visibility and operator safety. Operators may notice reduced visibility during low-light conditions or a lack of proper signaling if this lamp unit fails.

Lamp Gp-Hd & Signal Lh – Part No 3443456 – 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.

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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 TypeLamp Assembly (Headlight & Signal)
MaterialPolycarbonate Lens, Steel Housing
ApplicationLighting and Signaling System
Service LifeReplace as needed due to damage or bulb failure
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The initial symptom of a failing lamp assembly is a lack of illumination or signaling function from the left-hand side. If left unaddressed, this can lead to reduced visibility for the operator, especially in poor lighting conditions, and a failure to communicate intentions to other personnel or equipment. Operating with a non-functional lamp assembly increases the risk of accidents and operational violations.

Installation Tip

Before installing, check the electrical connector for corrosion or damage and clean it if necessary. Ensure the new lamp is securely mounted to prevent vibration-induced damage or misalignment.

Service Note

Inspect the wiring and connectors for the corresponding right-hand lamp assembly and other lighting circuits for any signs of damage or wear.