Komatsu Part LAMP 421-06-26210

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Product Overview

The 421-06-26210 LAMP is a genuine Komatsu OEM replacement lamp from the 421 prefix series. Lamps provide the light output for work lights, headlights, warning beacons, and indicator illumination on your machine — they're consumable lighting components that have a finite service life and will eventually require replacement as the filament or LED element degrades over time.

Part Number: 421-06-26210 Part Name: LAMP Part Type: OEM Komatsu Replacement Electrical Component Availability: In stock

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When to Replace

• The lamp does not illuminate when power is applied — filament burned out or LED failed
• Output is dim, flickering, or inconsistent — filament degradation or connection problem
• The glass envelope is darkened, cracked, or has visible internal deposits
• The lamp base shows corrosion on the contact points
• The lamp has been in service for an extended period — preventive replacement of lighting before it fails prevents unsafe operation

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Installation

1. Confirm 421-06-26210 in your Komatsu parts catalog — verify the correct lamp type and wattage
2. Disconnect power to the lighting circuit before replacing the lamp
3. Remove the old lamp — note the lamp type, base configuration, and orientation
4. Handle the new lamp carefully — wear clean gloves; skin oil on halogen lamp glass causes premature failure
5. Install the new lamp — seat it fully in the socket or housing
6. Test operation before closing the housing — verify correct illumination

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Request a Quote

Need the Komatsu 421-06-26210 LAMP? Contact us through the form or by phone, email, or WhatsApp. We respond within one business day.