The Jeep Cherokee brake light utilizes 3157, 2458, 2057, 1157, and 198 bulb sizes depending on the specific production period. Available information covers the historical span from 1974 through 2001.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Jeep Cherokee brake light specifications cover model years 1974 through 2001, with three distinct bulb types used across the main brake lights and a fourth type designated for the center high mount stop light on select years.
The 3157 is a dual-filament T25 wedge bulb rated at 12V with a 27W high-filament and 7W low-filament draw. The Jeep Cherokee (1997-2001) uses this bulb for the main brake lights.
The 2057 shares the BAY15d bayonet base with the 1157 but operates at a higher wattage of 26.9W on its bright filament versus the 1157's 21W, making the two physically interchangeable in base fitment while differing in output. The Cherokee (1985-1996) uses the 2057 for brake lights.
Because the 2057 and 1157 share the same BAY15d bayonet base, substituting one for the other is physically possible, though the wattage difference means light output will not be equivalent between the two.
The 1157 is rated at 12V, 21W/5W with a BAY15d bayonet base. The Cherokee (1979-1984) uses this bulb for the main brake lights.
The 198 is a miniature T5 wedge bulb rated at only 12V and 2W, which is substantially lower in output than the other brake bulbs listed in these specifications. The Cherokee (1974-1978) uses this bulb for the main brake lights.
The 922 is a single-filament T15 wedge bulb rated at 12V and 16W. It is specified for the center high mount stop light on the Cherokee for model years 1993-2001.
The 3157 uses a wedge-style base, which is physically incompatible with the BAY15d bayonet base found on both the 2057 and 1157, meaning these bulb types are not interchangeable with one another despite all being dual-filament designs.
All five bulb types listed in these specifications conform to ANSI standards applicable in both the United States and Canada.
The main brake light specification transitions from the 198 to the 1157, then to the 2057, and finally to the 3157 across the Cherokee's model year range, reflecting three separate base and socket configurations over the vehicle's production history.