Chevrolet Suburban Turn Signal Bulb Size
Chevrolet Suburban front outer turn signal bulbs measure 12961, while front turn signal bulbs are sized 7444NA, 7440NA, or 3157NA, and rear turn signal bulbs are sized 7440NA, 7440, or 3057. The replacement chart covers 1950 through 2023 vehicle 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 Outer Turn Signal
| Years | Bulb Type | Shop |
|---|---|---|
| 2005-2006 | 12961 (Side, 1500 only) | Check Price |
| 2000-2004 | 12961 (Side) | Check Price |
Front Turn Signal
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2021-2023 | 7444NA | WY21/5W | Check Price |
| 2015-2020 | 7440NA | WY21W | Check Price |
| 2010-2014 | 3157NA | PY27/7W | Check Price |
| 2009 | 5702AK (1500 only) | 5702AK | Check Price |
| 4157NA (2500 only) | PY27/7W | Check Price | |
| 2008 | 4157NA | PY27/7W | Check Price |
| 2007 | 4157NA (1500 only) | PY27/7W | Check Price |
| 5702AK (2500 only) | 5702AK | Check Price | |
| 2006 | 5702AK | 5702AK | Check Price |
| 2001-2005 | 4157NA | PY27/7W | Check Price |
| 2000 | 2357NA (Early Model) | P21/5W | Check Price |
| 4157NA (Late Model, 1500 only) | PY27/7W | Check Price | |
| 5702AK (Late Model, 2500 only) | 5702AK | Check Price | |
| 1993-1999 | 2357NA | P21/5W | Check Price |
| 1992 | 3057NA (With Halogen Capsule Headlamps) | 3057NA | Check Price |
| 2057 (With Sealed Beam Headlamps) | 2057 | Check Price | |
| 1989-1991 | 3057NA | 3057NA | Check Price |
| 1983-1988 | 2057NA | P21/5W | Check Price |
| 1982 | 1034NA | 1034NA | Check Price |
| 1981 | 1157NA | P21/5W | Check Price |
| 1979-1980 | 1034NA | 1034NA | Check Price |
| 1966-1978 | 198 | 198 | Check Price |
| 1965 | 1156 | P21W | Check Price |
| 1964 | 199 | 199 | Check Price |
| 1962-1963 | 1034 | 1034 | Check Price |
| 1960-1961 | 1156 | P21W | Check Price |
| 1956-1957 | 1073 | 1073 | Check Price |
| 1950-1955 | 1154 | 1154 | Check Price |
Rear Turn Signal
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2021-2023 | 7440NA | WY21W | Check Price |
| 2015-2020 | 7440 | W21W | Check Price |
| 2007-2014 | 3057 | 3057 | Check Price |
| 2001-2006 | 3157 | P27/7W | Check Price |
| 2000 | 3057 (Early Model) | 3057 | Check Price |
| 3157 (Late Model) | P27/7W | Check Price | |
| 1993-1999 | 3057 | 3057 | Check Price |
| 1992 | 3057 (With Halogen Capsule Headlamps) | 3057 | Check Price |
| 2057 (With Sealed Beam Headlamps) | 2057 | Check Price | |
| 1983-1991 | 2057 | 2057 | Check Price |
| 1979-1982 | 1157 | P21/5W | Check Price |
| 1972-1978 | 198 | 198 | Check Price |
| 1970-1971 | 199 | 199 | Check Price |
| 1969 | 1156 | P21W | Check Price |
| 1966-1968 | 198 | 198 | Check Price |
| 1965 | 199 | 199 | Check Price |
| 1964 | 1156 | P21W | Check Price |
| 1962-1963 | 1034 | 1034 | Check Price |
| 1961 | 1156 | P21W | Check Price |
| 1960 | 1073 | 1073 | Check Price |
| 1956-1957 | 1073 | 1073 | Check Price |
| 1950-1955 | 1154 | 1154 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W. | 7444NA | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20), natural amber glass. 12V, 21W. | 7440NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3157NA | Check Price |
| Sylvania part number for a coated variant of the ANSI 3157 bulb. Dual-filament wedge bulb (T25), amber coating. 12V, 27W/7W. | 5702AK | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 4157NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W. | 2357NA | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3057NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Brighter variant of 1157. 12V, 26.9W/8W. | 2057NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W. | 1034NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W. | 1157NA | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 198 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 199 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1034 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 1073 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Older variant of 1157. 6V/12V. | 1154 | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |