{ "id": "h1-halogen-headlight-bulbs", "sku": "h1-halogen-headlight-bulbs", "title": "H1 Halogen Headlight Bulbs (2 Pack)", "slug": "h1-halogen-headlight-bulbs", "price": 58.99, "currency": "SGD", "availability": "in_stock", "category": "headlights", "category_label": "Headlights", "tags": [], "colors": [], "materials": [], "dimensions": null, "weight": null, "images": [ "https://myauto.asia/dropship-images/headlights/h1-halogen-headlight-bulbs/main-h1-halogen-headlight-bulbs.jpg", "https://myauto.asia/dropship-images/headlights/h1-halogen-headlight-bulbs/h1-halogen-headlight-bulbs-2.jpg" ], "description_short": "Supplied as a matched pair in the H1 fitting, rated 12 volts and 55 watts with a 5000 Kelvin light colour, so both sides of the car look the same after fitting.", "description": "The problem nobody notices until it is dark and raining\n\nHeadlight bulbs rarely die in one dramatic moment. They fade. A filament ages, the glass darkens slightly, and the light that lands on the road gets a little weaker every month. Because the change is so gradual, your eyes keep pace with it. You carry on driving and your brain tells you nothing is wrong.\n\nThen one wet evening on an unlit road, you realise you are leaning forward over the wheel, squinting at the edge of the tarmac. Or a bulb finally gives up and you drive home with one eye. That is usually the moment people start searching for a replacement.\n\nA pair of H1 halogen headlight bulbs is the simplest fix for that. These are supplied two to a pack, rated at 12 volts and 55 watts, with a light colour quoted at 5000 Kelvin. They replace an H1 bulb, and only an H1 bulb.\n\nWhat H1 actually means\n\nIt tells you the physical shape of the bulb base and how it sits in the headlamp. An H1 bulb has a single filament, a flat metal mounting tab, and one spade terminal for the electrical connection.\n\nThat single-filament design matters. A single-filament bulb does one job, which is why carmakers often use H1 for main beam in a four-lamp setup, or for dipped beam where a separate bulb handles main beam. Some fog lamps use it too. The headlamp design decides the job, the bulb just supplies the light.\n\nWhat you cannot do is swap codes. H1 will not fit an H4 socket, an H7 socket, an H11 socket or anything else. The tabs are in different places and the terminals are different. There is no adapter worth using. So before anything else, confirm the code.\n\nConfirming the fitting before you order\n\nTwo reliable methods, and both take a few minutes.\n\nThe first is the owner manual. If you have lost the paper copy, a digital one is often available.\n\nThe second is more direct. Open the bonnet, find the back of the headlamp, pull the dust cap and remove the bulb. The code is printed or moulded into the metal base. If it says H1, you are in the right place. If it says anything else, this is not the bulb for your car.\n\nDoing this before you order saves a return. It also gives you a dry run of the actual job, so you know whether it is a five minute task or one that needs the wheel arch liner out.\n\nThe 12 volt, 55 watt specification\n\nMost passenger cars run a 12 volt electrical system, and 55 watts is the common rating for an H1 halogen bulb. Those two numbers together mean the bulb draws roughly the current the wiring, the fuse and the switchgear were designed around.\n\nThat is a quiet advantage of staying with halogen. There is nothing to add. No control box to tuck behind the headlamp, no resistor pack bolted to the chassis, no spare connectors. The bulb plugs in, the clip goes back, the dust cap seals and you are finished.\n\nIf you are working on a commercial vehicle, check the voltage on your old bulb. Some run 24 volt systems, and a 12 volt bulb is the wrong part for those.\n\nWhat 5000 Kelvin looks like on the road\n\nKelvin measures colour, not quantity. A low number is warm and yellow. A high number leans blue. At 5000 Kelvin the light reads as a clean white with very little yellow in it.\n\nIn practice that means road markings, white signs and wet surfaces look a bit crisper than they do under a warm yellow bulb. Parked next to a car with older standard bulbs, the difference in tone is easy to see.\n\nIt is worth being honest about what colour cannot do. The shape, reach and cut-off of your beam come from the headlamp unit, the reflector or projector, and the aim. A whiter bulb changes the character of the light. It does not redesign the optics. If your lenses are yellowed and hazy from years of sun, polishing them will do more for your night vision than any bulb change.\n\nWhy the pack contains two\n\nBulbs age at a similar rate because they do the same hours. When one goes, the other is usually not far behind. Replacing a single bulb leaves you with one fresh light and one tired one, and the mismatch is visible to you and to oncoming drivers.\n\nFitting both at once gives you an even pair. The colour matches, the output matches, and the car looks right from the front. It also means you are not doing the same awkward job again in a few weeks.\n\nFitting it without ruining the new bulb\n\nTwo rules do most of the work.\n\nKeep your fingers off the glass. Skin leaves an oil film on the quartz, and when the bulb heats up that film can bake on and create an uneven hot spot. Hold the bulb by its metal base or plastic collar. If you slip and touch the glass, wipe it down with a lint-free cloth and a little methylated spirit before fitting.\n\nLet everything cool first. Headlight bulbs get very hot in normal use, and the metalwork around them stays warm for a while after the lights go off. Switch off, give it time, then work.\n\nBeyond that, it is a tidy job. Dust cap off, unclip the retaining spring or wire clip, unplug the spade connector, lift the old bulb out, seat the new one so the tab lines up with the notch, clip it back, reconnect, refit the cap. Make sure the dust cap seats properly. A loose cap lets moisture into the headlamp, and moisture is a reliable bulb killer.\n\nWho this suits\n\nAnyone running an H1 halogen headlamp who wants a like-for-like replacement without adding hardware. That includes drivers of older cars where halogen is simply what the car was built with, people who want a spare pair in the boot, and anyone who has just had one bulb fail and wants to do both sides properly.\n\nIt also suits the cautious buyer. There is no module to go wrong, no fitment compatibility list to decode, and nothing about the electrical load that the car has not already handled for years.\n\nWhat we are not claiming\n\nThis is an H1 halogen bulb, 12 volts, 55 watts, 5000 Kelvin, two per pack. If you need a bulb carrying a specific marking, read what is printed on your old bulb and ask us before ordering so you are not guessing.\n\nWhere we do not know something, we say so rather than filling the gap.\n\nLooking after them\n\nOnce fitted, these bulbs look after themselves. The headlamp lens is the part that needs attention. Wash it along with the rest of the car and, if the plastic has gone cloudy, a restoration kit will recover a surprising amount of light.\n\nFor spares, leave them boxed. The original packaging protects the glass and stops the bulb rolling around loose in the boot. Keep them dry and out of direct sunlight, and store them upright if you can.\n\nThe short version\n\nCheck your old bulb says H1. Confirm your car runs 12 volts. Buy the pair rather than a single. Handle the new bulbs by the base, keep bare fingers off the glass, and let hot parts cool before you reach in.\n\nDo that, and a job most people dread turns out to be one of the easiest improvements you can make to winter driving.", "llm_summary": "The H1 Halogen Headlight Bulbs (2 Pack) product is a pair of H1 halogen headlight bulbs, supplied two bulbs per pack. The listed specification is the H1 fitting, halogen light source, 12 volts, 55 watts, and a colour temperature of 5000 Kelvin. It replaces an H1 bulb only and will not fit other headlight bulb codes, so buyers should confirm the fitting in the vehicle owner manual or by reading the code on the old bulb. Handling advice is to avoid touching the glass with bare fingers and to let hot bulbs cool before removal.", "returnable": true, "return_policy": "Change-of-mind returns accepted for 15 days from purchase under this shop's own published policy: original packaging, proof of purchase, buyer pays return postage. Faulty or misdescribed goods are repaired, replaced or refunded with return postage covered by the shop, and rights under Singapore consumer protection law, including the Consumer Protection (Fair Trading) Act are unaffected.", "shipping_profile": "standard", "warranty": null, "brand": "Online Auto Company", "gtin": null, "mpn": null, "condition": "new", "url": "https://myauto.asia/h1-halogen-headlight-bulbs/", "canonical_url": "https://myauto.asia/h1-halogen-headlight-bulbs/", "json_url": "https://myauto.asia/api/products/h1-halogen-headlight-bulbs.json", "updated_at": "2026-11-11", "compare_at_price": 70.99 }