12V

LION Automotive Festoon 12V 5W Incandescent Light Bulb Clear 2 Pack LT039W11

LION  |  SKU: LT039W11
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 pack contains two clear double-ended festoon incandescent bulbs. The supplied packaging identifies LT039W11, 12V, 5W and side/tail light applications. Each bulb is rated 5W, giving a combined rated load of 10W when both operate. Match the exact vehicle and lamp assembly's specified voltage, wattage, overall bulb length, end-cap profile and holder spacing before purchase. The photo does not establish dimensions or a standardized cap code, and the side/tail wording does not mean universal vehicle compatibility.

 

Key Features

  • LION automotive incandescent festoon bulbs
  • Two bulbs per retail blister pack
  • 12V and 5W per bulb, as marked on the packaging
  • Clear tubular glass with visible filament
  • Double-ended metal contacts
  • For compatible side/tail lamp assemblies
  • 10W combined rated load when both bulbs operate

 

Specifications

  • Brand: LION
  • SKU: LT039W11
  • Type: Incandescent Light Bulb
  • Shape: Festoon
  • Fitting: Double-ended Festoon
  • Voltage: 12V
  • Wattage: 5W per bulb
  • Pack Quantity: 2 bulbs
  • Combined Rated Load: 10W with both bulbs operating
  • Finish: Clear
  • Listed Application: Side/Tail Lights, subject to exact-vehicle approval

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Frequently Asked Questions

Are these 5W festoon bulbs dimmable or compatible with electronic vehicle controls?

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

Will these festoon bulbs fit my vehicle's side or tail lights?

Check the exact vehicle and lamp assembly's specified 12V supply, 5W wattage, overall bulb length, end-cap profile and holder spacing. Neither the standardized cap code nor physical dimensions is established by the supplied image. Do not assume that all festoon bulbs interchange or that the packaging's side/tail wording guarantees fit. Do not connect directly to 240V mains or a 24V vehicle circuit; normal installation uses the compatible vehicle's 12V circuit rather than a separate household transformer.

How many bulbs are included, and what distinguishes this festoon design?

The photographed blister pack contains two clear 12V 5W bulbs, for a combined rated 10W when both operate. Each has a tubular glass envelope and a metal contact at each end, unlike a wedge or bayonet bulb. Length and contact profile must match the approved holder; no length or standardized cap code has been guessed. The Australian-owned wording on the card is not a country-of-manufacture statement.