Chevrolet Camaro Back Up Light Bulb Size

Additional Notes

• The 7440 bulb is the back up light specification for the Chevrolet Camaro across the 2016-2024 model years, making it the most consistently used bulb type in these specifications.
• The 7440 is a single-filament wedge bulb in the T20 form factor, rated at 12V and 21W, and follows the ANSI standard used in the United States and Canada.
• The 1156 bulb appears across the greatest number of model years in these specifications, covering the 1967-1982 and 1984-1996 Camaro, with isolated exceptions in 1983, 1993, and 1997.
• The 1156 is a single-filament bulb with a BA15s bayonet base, rated at 12V and 21W, and also follows the ANSI standard for the US and Canada.
• The 1141 bulb, used in the 1993 and 1997 Camaro, shares the same BA15s bayonet base and 12V, 21W rating as the 1156, but the two are distinct part numbers and are not confirmed interchangeable by these specifications.
• The 2355, used in the 1999, 2001, and 2002 Camaro, carries a dual-filament design with a BAY15d bayonet base, which is a physically different base type than the single-filament 1156 and 1141 bulbs used in surrounding model years.
• The 3155, used in the 1998 and 2000 Camaro, is a single-filament wedge bulb in the T25 form factor rated at 27W, distinguishing it from the bayonet-base bulbs used in adjacent years.
• The 921, used in the 2014-2015 Camaro, is a T15 wedge bulb rated at 12V and 16W, which is a lower wattage than the 7440 T20 wedge bulb adopted in 2016.
• The 12184, used in the 2010-2013 Camaro, is a Philips part number rather than an ANSI standard designation, indicating a specialty halogen application that does not share a standardized cross-reference code with the other bulb types listed.
• The back up light bulb specification for the Camaro changes multiple times across its production history, and substituting a bulb from a different model year is not supported by these specifications due to differences in base type, form factor, and wattage.