Polaris 600 PRO X Brake Bulb Size

The Polaris 600 PRO X brake light utilizes a 921 bulb size for illumination across all listed vehicle applications. Data for the specified component covers the range from 2001 through 2004.

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
2001-2004	921	W16W	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W.	921	Check Price

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Additional Notes

The Polaris 600 PRO X uses the 921 bulb size for its brake light across the 2001-2004 model years.
The 921 is an ANSI-standardized bulb type, meaning its specifications are governed by a recognized North American standard applicable in both the United States and Canada.
The 921 bulb uses a wedge-style base, designated T15, which refers to a tubular bulb body approximately 15/8 of an inch wide. Wedge bases have no metal pins; instead, the glass envelope itself is pinched at the base to form the electrical contact.
The bulb operates at 12 volts and consumes 16 watts, which is consistent with standard single-filament automotive and powersports brake light applications.
Because the 921 is a single-filament bulb, it serves a dedicated function rather than combining brake and tail light duties in one unit.