Ram ProMaster Side Marker Bulb Size

Ram ProMaster side marker bulb uses a 7443 size bulb for this vehicle model. The replacement chart covers 2023 to 2024 production years with corresponding bulb size specifications.

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
2023-2024	7443	W21/5W	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Dual-filament wedge bulb (T20). 12V, 21W/5W.	7443	Check Price

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Additional Notes

The 7443 is the side marker bulb size for the Ram ProMaster across the 2023-2024 model years.
The 7443 follows the ANSI standard, making it the applicable specification for the United States and Canada.
This bulb uses a T20 wedge base, a bayonet-free design where the bulb is held in place by the socket walls rather than a locking pin.
The 7443 is a dual-filament bulb, operating at 21W on its primary filament and 5W on its secondary filament, allowing it to serve two lighting functions within a single unit.
The bulb operates at 12 volts, consistent with standard automotive electrical systems.
Because the 7443 is dual-filament, single-filament substitutes of similar base size are not interchangeable without loss of one lighting function.