Ford Escape Dome Light Bulb Size

Ford Escape dome light bulb sizes include 12961 and 578, with each bulb size corresponding to specific vehicle production specifications. The replacement chart covers 2001 through 2020 model years and details the bulb sizes required for dome light applications across this range.

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	Bulb Size
2020	12961
2001-2012	578

Bulb Specifications

Description	Bulb Size
Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W.	12961
ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V, 12W.	578

Other Locations

Additional Notes

The Ford Escape uses two distinct dome light bulb types across its model years: the 578 festoon bulb and the 12961 miniature wedge bulb.
The 578 bulb is an ANSI-standardized festoon type, meaning it is recognized under a shared North American classification system used across the United States and Canada.
Festoon bulbs make electrical contact through metal end caps at both ends of the bulb body, and the 578 measures 41mm in length.
The 578 operates at 12 volts and draws 12 watts, making it a relatively higher-wattage dome bulb compared to the 12961.
The Ford Escape (2001-2012) uses the 578 bulb for the dome light, covering eleven consecutive model years within that generation range.
The 2020 Ford Escape uses the 12961 bulb, which carries a Philips part number rather than an ANSI designation.
The 12961 is a T10 wedge bulb with a W2.1x9.5d base, a base type that uses a plastic wedge to make contact rather than end caps or a bayonet fitting.
At 12 volts and 5 watts, the 12961 consumes less than half the wattage of the 578, reflecting a different design generation for the dome light circuit.
The 578 and 12961 use physically incompatible base types, meaning neither bulb is a direct substitute for the other without a socket adapter or housing modification.