OIRAN JAPAN · SHOWROOM CATALOG

LED BULB BYAKUYA BUS MARKER

S25-base LED bus marker replacement bulb in seven colors, 40–280 lm.

Base: S25 (per part numbers)
White: 280 lm — OB26-S25S-WH18
Yellow: 240 lm — OB27-S25S-YE18

Specifications and distributor inquiry · no direct online sale

01 — PRODUCT

Product overview.

This BYAKUYA range contains seven S25 replacement bulbs for compatible bus and marker lamps.

Each colour has its own official code and published output. Match the socket, colour and circuit before installation; use the specified resistor if the vehicle reports a bulb-out warning.

02 — SPECIFICATION

Verified specifications.

Base	S25 (per part numbers)
White	280 lm — OB26-S25S-WH18
Yellow	240 lm — OB27-S25S-YE18
Natural	230 lm — OB23-S25S-DE18
Amber	190 lm — OB21-S25S-AM18
Green	180 lm — OB24-S25S-GR18
Red	50 lm — OB25-S25S-RE18
Blue	40 lm — OB22-S25S-BL18

03 — OFFICIAL CONFIGURATIONS

7 verified configurations.

The official active-list codes below are grouped by family or published technical attribute. Confirm current availability and vehicle fitment with a distributor.

Byakuya LED Bus/Marker Replacement Bulbs (OB21–27)Seven-color S25 single replacement bulbs for bus and marker lamps; 12/24 V, six high-brightness LEDs, and diffused 360-degree output.

Official active-list identity · availability and fitment confirmation required

Byakuya LED Bus/Marker Replacement Bulbs (OB21–27)7 codes