12V

LION Automotive Festoon 12V 18W Incandescent Light Bulb Clear 2Pcs

LION  |  SKU: LT039W10
Regular price $7.15
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Light Bulb Fittings

The light bulb fitting is the part of the bulb that connects it to the socket of a light fixture.

Check fitting guide

Colour Temperature

Colour temperature is measured in Kelvin (K) – the lower the number, the warmer the white light appears, while a higher Kelvin will appear cooler. Colour temperature generally ranges from 2700-3300K (warm) to 3300-5300 (cool) – and 6500K is daylight.

Check details of colour temperature

Equivalent Wattages Between Different Light Bulbs

As long as the technology developed, a LED light bulb can only use 8 watt power but light up similar brightness when a incandescent light bulb uses 60 watt power. There is equivalent wattage between different light bulbs. To stop making confuse, you need to know what wattage equivalent to each other. See the table attached as below.

Check table chart

⚠️ Important: These are 12V automotive bulbs for a compatible 12V vehicle electrical system. Do not connect them directly to 240V mains or a 24V vehicle circuit. The compatible vehicle circuit supplies 12V; a separate household transformer is not normally part of installation.

This LION retail pack contains two clear double-ended festoon incandescent bulbs. The supplied packaging identifies LT039W10, 12V, 18W and indicator/stop lamp applications. Each bulb is rated 18W, for a combined rated load of 36W when both operate. Match the exact vehicle and lamp assembly's approved voltage, wattage, bulb length, end-cap profile, holder spacing and clearance. The application wording does not establish universal fit, and an 18W bulb is not automatically suitable for a holder specified for a lower-wattage festoon lamp.

 

Key Features

  • LION automotive incandescent festoon bulbs
  • Two bulbs per retail blister pack
  • 12V and 18W per bulb, marked on the packaging
  • Clear tubular glass with a visible filament
  • Double-ended metal contacts
  • For compatible indicator/stop lamp assemblies
  • 36W combined rated load with both bulbs operating

 

Specifications

  • Brand: LION
  • SKU: LT039W10
  • Type: Incandescent Light Bulb
  • Shape: Festoon
  • Fitting: Double-ended Festoon
  • Voltage: 12V
  • Wattage: 18W per bulb
  • Finish: Clear
  • Pack Quantity: 2 bulbs
  • Combined Rated Load: 36W with both bulbs operating
  • Listed Application: Indicator/Stop Lamps, subject to exact-vehicle approval

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Frequently Asked Questions

Are these 18W festoon bulbs dimmable or compatible with electronic vehicle controls?

Dimmability and compatibility with PWM, bulb-failure monitoring, flasher units or aftermarket controllers are not confirmed. Use only the vehicle manufacturer's approved lamp and control arrangement. Incandescent construction alone does not establish compatibility with every vehicle control; the dimming field remains blank.

Will these bulbs fit my vehicle's indicator or stop lamps?

Match the exact vehicle and lamp assembly's approved 12V supply, 18W load, bulb length, end-cap profile, holder spacing and clearance. The packaging lists indicator/stop lamp applications, not universal compatibility. Length and standardized cap code are unconfirmed. Do not replace a lower-wattage festoon bulb with 18W unless the assembly approves it. Normal installation uses the compatible vehicle's 12V circuit, not direct 240V mains, a 24V vehicle circuit or a separate household transformer.

How many bulbs are included, and how does this differ from the 5W festoon version?

The photographed LT039W10 blister pack contains two clear 12V 18W festoon bulbs, for a combined rated 36W when both operate. This is not the 5W version: matching appearance does not make their wattages, dimensions or applications interchangeable. Confirm the exact replacement specification. The Australian-owned wording on the card is not a statement of country of manufacture.