Bulb size & fitment reference

GMC Sierra 1500
Bulb Size Guide

Get the bulb-size answer first, then check factory-system differences and position-specific notes before buying.

Select Your Vehicle

Quick Answer for 2026 GMC Sierra 1500

Start with the positions you’re most likely to replace. Full fitment details are below.

Reverse Light

Center High Mount Stop Light

License Plate Light

T10 / 194 / 168

Shop this position →

Full Bulb Fitment by Lighting Position

Find the bulb size for each lighting position and check any fitment notes before ordering.

GMC Sierra 1500 (2025–2026) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Center High Mount Stop Light921Shop position →
Reverse Light921Shop position →
License Plate LightT10 / 194 / 168Shop position →
Trunk Light921Shop position →
View Fitment Options →

GMC Sierra 1500 (2023–2024) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High & Low BeamD1SHIDShop position →
Cornering Light3157 / 3156Shop position →
Front Turn Signal7443HIDShop position →
Parking Light7443Shop position →
Rear Turn Signal7443Shop position →
Brake Light11572-DoorShop position →
Brake Light7443Shop position →
Center High Mount Stop LightT10 / 194 / 168Shop position →
Tail Light11572-DoorShop position →
Tail Light7443Shop position →
Reverse Light1156 / BA15SCompare To Original: Bulb Option 2Shop position →
Reverse Light921Compare To Original: Bulb Option 1Shop position →
License Plate LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Interior Door LightT10 / 194 / 168Shop position →
Luggage Compartment LightT10 / 194 / 168Shop position →
View Fitment Options →

GMC Sierra 1500 (2021) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Front Turn Signal7443Shop position →
Rear Turn Signal7443Shop position →
Brake Light1157Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Reverse Light1156 / BA15SWithout FleetsideShop position →
Reverse Light912 / 921 / T15FleetsideShop position →
License Plate LightT10 / 194 / 168Shop position →
View Fitment Options →

GMC Sierra 1500 (2020) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Front Turn Signal7443Shop position →
Brake Light7443Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
View Fitment Options →

GMC Sierra 1500 (2019) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Front Turn Signal7443Shop position →
Parking Light7443Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Reverse Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 (2017–2018) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High & Low BeamD5SHIDShop position →
Front Turn Signal7443HIDShop position →
Parking Light7443HIDShop position →
Front Parking Light7443Shop position →
Rear Turn Signal7443Shop position →
Brake Light7443Shop position →
Outer Brake Light7443Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light7443Shop position →
Outer Tail Light7443Shop position →
Reverse Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 (2016) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High & Low BeamD5SHIDShop position →
Front Turn Signal7443HIDShop position →
Parking Light7443HIDShop position →
Rear Turn Signal7443Shop position →
Brake Light7443Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light7443Shop position →
Reverse Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 (2014–2015) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High & Low Beam9012Shop position →
Fog Light5202Shop position →
Daytime Running Light9012Shop position →
Front Turn Signal7443Shop position →
Parking Light7443Shop position →
Rear Turn Signal7443Shop position →
Brake Light7443Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light7443Shop position →
Reverse Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 (2007–2013) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low BeamH11Shop position →
Fog Light5202Shop position →
Daytime Running LightH11Shop position →
Front Turn Signal3157 / 3156Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Map Light211-2 / 578 / 41MMShop position →
Courtesy Light211-2 / 578 / 41MMShop position →
Trunk Light912 / 921 / T15Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 (2006) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9005 / HB3DenaliShop position →
Headlight Low Beam9006 / HB4Hybrid / Sl / Sle / Slt / WtShop position →
Fog Light880DenaliShop position →
Fog Light9145 / H10Hybrid / Sl / Sle / Slt / WtShop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Map Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 (2005) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9005 / HB3DenaliShop position →
Headlight Low Beam9006 / HB4Base / Hybrid / Sle / Slt / WtShop position →
Fog Light880DenaliShop position →
Fog Light9145 / H10Base / Hybrid / Sle / Slt / WtShop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Map Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 (2004) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9005 / HB3DenaliShop position →
Headlight Low Beam9006 / HB4Base / Sle / Slt / WtShop position →
Fog Light880DenaliShop position →
Fog Light9145 / H10Base / Sle / Slt / WtShop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Map Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 (2003) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9005 / HB3DenaliShop position →
Headlight Low Beam9006 / HB4Base / Sl / Sle / Slt / WtShop position →
Fog Light880DenaliShop position →
Fog Light9145 / H10Base / Sl / Sle / Slt / WtShop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC Sierra 1500 (2002) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9005 / HB3DenaliShop position →
Headlight Low Beam9006 / HB4Base / Ht / Sl / Sle / Slt / WtShop position →
Fog Light880Shop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC Sierra 1500 (2000–2001) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9006 / HB4Shop position →
Fog Light880Shop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC Sierra 1500 (1999) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9006 / HB4Shop position →
Fog Light880Shop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC Sierra 1500 Limited (2019) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High & Low BeamD5SHIDShop position →
Front Turn Signal7443HIDShop position →
Parking Light7443Shop position →
Rear Turn Signal7443Shop position →
Brake Light7443Shop position →
Outer Brake Light7443Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light7443Shop position →
Outer Tail Light7443Shop position →
Reverse Light912 / 921 / T15Shop position →
License Plate LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 Classic (2007) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9005 / HB3DenaliShop position →
Headlight Low Beam9006 / HB4Hybrid / Sl / Sle / Slt / WtShop position →
Fog Light880DenaliShop position →
Fog Light9145 / H10Hybrid / Sl / Sle / Slt / WtShop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Map Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 HD (2005–2006) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9006 / HB4Shop position →
Fog Light9145 / H10Shop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Map Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light912 / 921 / T15Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →

GMC Sierra 1500 HD (2003) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9006 / HB4Shop position →
Fog Light9145 / H10Shop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC Sierra 1500 HD (2001–2002) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9006 / HB4Shop position →
Fog Light880Shop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Front Outer Turn SignalT10 / 194 / 168Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC Sierra 1500 HD Classic (2007) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Shop position →
Headlight Low Beam9006 / HB4Shop position →
Fog Light9145 / H10Shop position →
Daytime Running Light3157 / 3156Shop position →
Front Turn Signal3157 / 3156Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Map Light211-2 / 578 / 41MMShop position →
Courtesy LightT10 / 194 / 168Shop position →
Glove Box LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light912 / 921 / T15Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
View Fitment Options →
Fitment Reminder
Bulb size can vary by factory setup. If you're unsure which option applies to your vehicle, confirm your current bulb or select your configuration on the product page.