Kenworth C550 Brake Bulb Size

The Kenworth C550 brake light utilizes 1156, 1157, and P21W bulb sizes depending on the specific production period. Data for the mentioned components covers the range from 1986 through 1994.

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

YearsUS TypeEU TypeShop
19941157P21/5WCheck Price
1992-19931156P21WCheck Price
1990-19911157P21/5WCheck Price
1986-19891156P21WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157Check Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price

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