Available worldwide · Designed in Tottori, Japan
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OIRAN JAPAN · SHOWROOM CATALOG

LED BULB BYAKUYA

Drop-in LED marker and position bulbs — T10, G18 and S25 bases in white, amber or red.

OB01-T10S-65
T10 base — white (type 65)
OB02-G18S-65
G18 base — white (type 65)
OB03-S25S-65
S25 base — white (type 65)
Specifications and distributor inquiry · no direct online sale

01 — PRODUCT

Built for the road.

The night stays lit.

BYAKUYA 白夜 — “midnight sun.” Brand storytelling: OIRAN JAPAN’s LED bulb family, named for the northern night that never fully darkens.

BYAKUYA is the drop-in LED bulb line for marker and position lamps on Japanese trucks. Six variants across three bases mean the same clean light can run from cab to chassis: choose the base your lamp takes — T10 wedge, G18 or S25 — then the color: white (type 65), amber or red.

  • OB01-T10S-65 — T10 base, white
  • OB02-G18S-65 — G18 base, white
  • OB03-S25S-65 — S25 base, white
  • OB04-S25-AM15 / OB05-S25S-AM18 — S25 base, amber
  • OB06-S25S-RE — S25 base, red

Installation is a straight bulb swap into the existing socket. If the truck’s bulb cut-off warning appears after LED conversion, pair with an OIRAN load resistor. EU / EEA: verify local regulations before road use.

02 — SPECIFICATION

The data.

OB01-T10S-65T10 base — white (type 65)
OB02-G18S-65G18 base — white (type 65)
OB03-S25S-65S25 base — white (type 65)
OB04-S25-AM15S25 base — amber (type 15)
OB05-S25S-AM18S25 base — amber (type 18)
OB06-S25S-RES25 base — red