Ski-Doo GTX 800 Brake Bulb Size

The Ski-Doo GTX 800 brake requires a 1157 bulb size for the specific lighting component. Data for the bulb requirement covers the period from 2005 through 2005.

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	US Type	EU Type	Shop
2006-2007	1157	P21/5W	Check Price

Bulb Specifications

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

Other Locations

Additional Notes

The 1157 is an ANSI-standardized dual-filament bulb used in both the 2006-2007 Ski-Doo GTX 800 brake light position. Its dual-filament design operates at two wattage levels, 21W for the high-intensity brake signal and 5W for a lower-intensity running light function, both at 12 volts.
The 1157 uses a BAY15d bayonet base, which features two offset pins at different heights on the base. This asymmetric pin arrangement is a deliberate anti-misalignment design, meaning the bulb can only be seated in one orientation within the socket.
The BAY15d base type is not interchangeable with single-filament bayonet bases such as the BA15s, which shares a similar physical profile but lacks the second pin offset required for dual-filament operation. Substituting an incompatible base type would result in incorrect fitment.
The 1157 designation follows ANSI standardization recognized across the United States and Canada, meaning bulbs from different manufacturers carrying the 1157 designation are expected to conform to the same electrical and physical specifications.