Honda Odyssey Courtesy Bulb Size

Honda Odyssey courtesy bulb sizes include 194, 168, and DE3022 configurations across multiple production generations. The replacement chart covers vehicle data spanning 1995 to 2020.

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
2018-2020	194
2011-2017	168
2005-2010	DE3022
1999-2004	DE3423
1995-1998	DE3021

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.	168
ANSI standard (US & Canada). Festoon bulb, 31mm length, end-cap contacts. 12V.	DE3022
ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V.	DE3423
ANSI standard (US & Canada). Festoon bulb, 31mm length, end-cap contacts. 12V.	DE3021

Other Locations

Additional Notes

The Honda Odyssey courtesy bulb specifications span the 1995-2020 model years, covering four distinct bulb types across that range: the 194, 168, DE3022, DE3423, and DE3021.
The 194 and 168 are both T10 miniature wedge bulbs operating at 12V, with the primary difference being wattage. The 194 draws 3.78W, while the 168 draws 4.9W. Although both share the same T10 wedge base, the wattage difference means they are not direct equivalents and should not be treated as interchangeable in applications where wattage tolerance is strict.
The Honda Odyssey (2018-2020) uses the 194 bulb for courtesy lighting, while the 2011-2017 model years use the 168. Both are T10 wedge-base bulbs, but the socket fitment alone does not confirm interchangeability given the differing wattage ratings.
The DE3022 and DE3021 are both 31mm festoon bulbs with end-cap contacts operating at 12V. They share the same physical length and contact style, which makes physical fitment similar across the 1995-1998 and 2005-2010 model year groups that use them.
The Honda Odyssey (2005-2010) uses the DE3022, and the 1995-1998 model years use the DE3021. Despite sharing the same 31mm festoon format, these are distinct ANSI part numbers, and substitution between them warrants verification of electrical compatibility.
The DE3423 is a 41mm festoon bulb, making it physically longer than both the DE3022 and DE3021. The Honda Odyssey (1999-2004) uses this bulb for courtesy lighting, and its longer length means it is not a physical fit in sockets designed for 31mm festoon bulbs.
All four bulb types listed in the specifications conform to ANSI standards applicable in both the United States and Canada, indicating consistent regulatory compliance across the full model year range covered.
The specifications reflect three separate bulb format categories used across the Odyssey's courtesy lighting history: the T10 wedge base (194 and 168), the 31mm festoon (DE3022 and DE3021), and the 41mm festoon (DE3423). Each format requires a physically distinct socket type.