Hyundai Santa Fe Trunk Bulb Size

Additional Notes

• The DE3175 is the dominant trunk bulb type across the Hyundai Santa Fe's specification range, appearing in model years 2001-2005, 2008-2010, 2016-2018, and 2021-2022, as well as a portion of the 2006 and 2007 model years.
• The DE3175 is a festoon-type bulb with a 31mm length and end-cap contacts, operating at 12V. Festoon bulbs seat between two spring-loaded contact points rather than using a socket, which is a distinct mounting method from wedge-base types.
• The DE3423 is also a festoon bulb with end-cap contacts and a 12V rating, but its length is 41mm rather than 31mm. Because the two types share the same contact style but differ in length, they are not interchangeable despite their physical similarity.
• The 2007 Hyundai Santa Fe carries two separate trunk bulb entries divided by a production date. Units produced up to December 7, 2006 use the DE3423, while those produced after that date use the DE3175, reflecting a mid-cycle specification change within a single model year.
• The 2006 model year entry specifies the DE3175 with a cutoff of February 8, 2006, indicating that this specification applies only to vehicles produced up to that date within the model year.
• The 904 bulb, listed for the 2014 model year, is a miniature wedge type (T10) rated at 12V and 8W. Its wedge base is physically incompatible with the end-cap festoon sockets used by the DE3175 and DE3423, making cross-substitution between the 904 and either festoon type impossible.
• The 2016 entry carries a "Rear" qualifier alongside the DE3175 designation, indicating that this specification applies specifically to the rear trunk position for that model year.
• All three bulb types listed across these specifications conform to ANSI standards applicable in the United States and Canada, placing them within a shared North American standardization framework despite their differing physical formats.