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HID Bulbs

HID bulbs cover the xenon end of vehicle lighting: the D-series discharge bulbs, D1S, D2S, D3S, D4S and their R variants, fitted as original equipment to the cars and premium vehicles whose headlights run an arc rather than a filament. PartsForMachines supplies HID replacement bulbs as part of the bulb section, Philips Automotive among the OE-grade ranges, matched by the designation the headlight was built around.

The designation is the entire fitment: D-series types differ in base, voltage handling and ballast interface, and they are not interchangeable, so the replacement matches the code on the old bulb and in the handbook, with each product page listing the designation, colour temperature and output. The buying realities are HID-specific: bulbs age by colour shift and output fade rather than sudden failure, which is why pairs matter even more here, a new bulb beside an old one visibly mismatches, and genuine OE-grade bulbs differ meaningfully from bargain discharge bulbs in arc stability and lifespan, which the headlight's optics expose.

The safety note is non-negotiable: HID systems run ballast voltages high enough to injure, so the system is powered down before any work, and vehicles with headlamp washers and self-levelling carry those systems for the same reason the bulbs are regulated, beam control. Where a vehicle's HID failure is the ballast or igniter rather than the bulb, diagnosis before parts saves money.

Halogen and LED rows sit alongside, with headlamp units in the lighting section. For fleet supply, contact the team via WhatsApp 07754288583.

FAQs

The designation on the old bulb and in the handbook — D1S, D2S, D3S, D4S or an R variant — is the whole fitment: the types differ in base, voltage and ballast interface and don't interchange. Match the code exactly; it's the first specification on every product page, with the registration via Ask Simon as backup.

They fade rather than blow: output drops and colour shifts pink or violet over years, often unnoticed until one side is replaced and the mismatch glares. That's why pairs are the standard practice in HID territory — and why a 'dim' xenon headlight is usually an aged bulb, not a dirty lens.

Worth diagnosing before parts: a bulb flickering, colour-shifting or failing to strike on one side can be bulb or ballast, and swapping the suspect bulb to the other side is the classic test — if the fault follows the bulb, it's the bulb. Power the system down fully before touching anything: ballast voltages are dangerous.

Rarely: the headlight's optics were designed around OE-grade arc geometry, and bargain discharge bulbs show their compromises in beam quality, colour consistency and lifespan. The OE-grade ranges cost more per bulb and less per year — the usual lighting arithmetic, amplified by HID prices.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

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