Polaris 440 Pro X Tail Light Bulb Size

The Polaris 440 Pro X tail light utilizes 1157 and 194 bulb sizes for the specific lighting components located at the rear of the vehicle. Data for the bulb specifications covers the period from 2001 through 2003.

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
2003	1157	P21/5W	Check Price
2001-2002	194	W5W	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
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194	Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W.	W5W	Check Price

Other Locations

Additional Notes

The Polaris 440 Pro X uses two distinct tail light bulb types across its 2001-2003 model years: the 1157 and the 194, both conforming to ANSI standards recognized in the United States and Canada.
The 194 is a miniature wedge bulb in the T10 form factor, operating at 12V with a power draw of 3.78W. Its wedge-style base requires no rotation during installation, as the bulb is held in place by tension from the socket.
The 1157 is a dual-filament bulb fitted with a BAY15d bayonet base, rated at 12V and carrying two wattage ratings of 21W and 5W, corresponding to its stop/tail filament functions respectively.
The 2001 and 2002 model years of the Polaris 440 Pro X share the 194 bulb specification, making them interchangeable with one another for tail light replacement purposes.
The 2003 Polaris 440 Pro X departs from the 194 specification used in prior years, requiring the larger 1157 bulb instead. These two bulb types are not interchangeable due to differences in base design, wattage, and filament count.
The BAY15d bayonet base of the 1157 features two offset pins, a design that prevents incorrect insertion by ensuring only one rotational orientation is accepted by the socket.