Suzuki Motorcycle LT230 Tail Light Bulb Size

Suzuki Motorcycle LT230 tail light utilizes a 12821 bulb size for replacement applications. The chart covers vehicle production spanning 1985 to 1993 with corresponding bulb size specifications.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

Years	Bulb Type	Shop
1985-1993	12821	Check Price

Bulb Specifications

Description	Type	Shop
Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W.	12821	Check Price

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Additional Notes

The Suzuki Motorcycle LT230 uses the 12821 bulb for its tail light across all listed model years, spanning 1985-1993.
The 12821 is a Philips part number designating a miniature wedge bulb in the T10 form factor, which refers to the tubular glass envelope width expressed in eighths of an inch.
The bulb uses a W2.1x9.5d base, a wedge-style base that makes contact through pressure rather than a bayonet or screw mechanism, meaning it is inserted directly into a compatible socket without rotation.
The 12821 operates at 12 volts and 5 watts, placing it in the low-wattage range typical of indicator and tail light applications in small-displacement vehicles.
The T10 wedge format is a widely produced bulb type, and the 12821 designation identifies a specific Philips variant within that category rather than a universal cross-reference number.
Because the W2.1x9.5d base relies on a friction fit, socket condition directly affects bulb retention and electrical contact reliability.