Chevrolet Tahoe Turn Signal Bulb Size

Chevrolet Tahoe front and rear turn signal bulbs utilize 7444NA, 7440NA, 4157NA, 7440, and 3057 bulb sizes across model generations. The replacement chart covers 1995 through 2023 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.

Front Turn Signal

YearsBulb Size
2021-20237444NA
2015-20207440NA
20074157NA
20065702AK
2004-20054157NA
2001-20035702AK
20002357NA (Early Model)
4157NA (Late Model)
1995-19992357NA

Rear Turn Signal

YearsBulb Size
2021-20237440NA
2015-20207440
20073057
2001-20063157
20003057 (Early Model)
3157 (Late Model)
1995-19993057

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W.7444NA
ANSI standard (US & Canada). Single-filament wedge bulb (T20), natural amber glass. 12V, 21W.7440NA
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W.4157NA
Sylvania part number for a coated variant of the ANSI 3157 bulb. Dual-filament wedge bulb (T25), amber coating. 12V, 27W/7W.5702AK
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W.2357NA
ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W.7440
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3057
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3157

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