OEM Replacement | D4S / D4R | Plug & Play | 2-Year Warranty | Express Delivery
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This is the direct OEM replacement for the Mitsubishi Electric W3T216 HID xenon globe igniter — also known by the Mazda part number KD53-51-0H5 and Honda part number 33129-SZT-G01. It is fitted to a range of modern Mazda, Honda, and Mitsubishi vehicles equipped with factory D4S or D4R HID headlights.
The igniter is the unit that attaches directly to the back of the D4S or D4R xenon globe. It generates the high-voltage pulse required to strike the HID arc and ignite the globe. When it fails, your headlight will not ignite at all, or will attempt to start and immediately cut out.
This is a 100% plug-and-play replacement. No modifications, no rewiring, and no coding required — it connects directly to your existing ballast wiring and globe.
1 x Igniter unit. If both headlights are affected, add 2 to your cart.
Key Features
OEM Cross-Reference Part Numbers
Vehicle Compatibility
Always verify by matching the part number on your original igniter before ordering.
Not sure if your vehicle is listed? Email a photo of your original igniter to [email protected] and we will confirm fitment for you.
Is It the Igniter or the Ballast?
The igniter and ballast work together to start the HID arc. Knowing which one has failed saves you money.
Igniter fault signs: Headlight attempts to ignite but immediately cuts out, or produces a brief flash then goes dark. The ballast is receiving power but the arc cannot be struck.
Ballast fault signs: Headlight does not attempt to start at all. No flash, no flicker — completely dead.
If you are unsure, swap the igniter from the working side to the non-working side. If the fault moves with the igniter, it is the igniter that needs replacing.
About Pro Vision Lighting™
Pro Vision Lighting™ has over 20 years of experience supplying OEM automotive lighting to Australian motorists, workshops, and auto electricians. Fast Express Delivery, 2-year warranty, and expert support by phone or email.
The igniter is responsible for generating the high-voltage pulse (up to 25,000 volts) needed to strike the arc inside the HID xenon globe. Once the globe is lit, the ballast takes over to supply a steady operating voltage. If the igniter fails, the globe will not strike.
This specific Mitsubishi W3T216 igniter is designed exclusively for D4S and D4R HID xenon globes, which operate at 42V AC. It is not compatible with D2S or D2R globes, which operate at a higher 85V AC voltage.
If your headlight tries to turn on but immediately cuts out, or produces a brief flash before going dark, it is usually an igniter fault (the ballast is sending power, but the igniter cannot sustain the strike). If the headlight is completely dead with no attempt to start, it is typically a ballast fault. Swapping parts from the working side is the best way to confirm.
No. The igniter is a "dumb" component that simply passes voltage from the ballast to the globe. It does not contain any computer modules or require any coding, programming, or dealer setup after installation. It is completely plug-and-play.
No, this listing is for the igniter unit only. The ballast is a separate component mounted underneath or on the back of the headlight assembly. If you require the matching Mitsubishi ballast (e.g., W3T24771 or W3T21571), it is sold separately.
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