Difference between hs1 and h4 bulb. .

Difference between hs1 and h4 bulb. These are identical. H4 bulbs: Double-filament 60/55W bulbs with a P43t base, that encapsulate both high and low beams into one unit. Mar 24, 2025 · H1 bulbs: Single-filament 55W bulbs with a P14. Jan 18, 2014 · On both the HS1 and H4 there are three indexed tabs on the base so the bulb only fits in one way. HS1 bulbs have a single filament and are used for high beam or low beam functions, while H4 bulbs have dual filaments and can be used for both high and low beams. . 5s base, typically utilized in high beams and certain fog lights. The difference is two tiny front-facing indexing tabs at the 180* position of the plate, or the bottom side. Oct 23, 2022 · H4 and HS1 bulbs are different bulb specifications but with almost identical dimensions—HS1 bulbs have wider center pin (A) compared to an H4 (B). Is it possible to replace the crappy HS1 bulbs in my CBF125 with some nice Philips H4's? Apparently the connector is the same but the power required is different? See full list on gomechanic. Aug 5, 2025 · What is the difference between H4 and HS1 sockets? The primary difference between H4 and HS1 sockets lies in their intended vehicle application and typical power ratings, even though they are physically very similar and often interchangeable to some extent. Their slimmer shape allows for precise reflector positioning. in The main difference between the two is their design and the type of beam they produce. Also, a standard HS1 bulb is rated at 35W/35W, while a standard H4 bulb is rated at 60W/55W (HS1 is less bright than an H4). pgfsr kfbtn evwbd yukg lblqe rbxvmt owln kbceb oxhzg fevwse