Bulb size & fitment reference

GMC K3500
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 2000 GMC K3500

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

Headlight High Beam

Headlight Low Beam

Ash Tray Light

T10 / 194 / 168

Shop this position →

Reverse Light

Full Bulb Fitment by Lighting Position

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

GMC K3500 (2000) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Halogen CapsuleShop position →
Headlight Low Beam9006 / HB4Halogen CapsuleShop position →
Fog LightH3Shop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop 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 →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light912 / 921 / T15Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1999) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Halogen CapsuleShop position →
Headlight Low Beam9006 / HB4Halogen CapsuleShop position →
Fog LightH3Shop position →
Daytime Running Light3157 / 3156Halogen CapsuleShop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop 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 →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light912 / 921 / T15Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1998) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Halogen CapsuleShop position →
Headlight Low Beam9006 / HB4Halogen CapsuleShop position →
Fog LightH3Shop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop 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 →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light912 / 921 / T15Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1995–1997) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Halogen CapsuleShop position →
Headlight Low Beam9006 / HB4Halogen CapsuleShop position →
Fog LightH3Shop position →
Cornering Light3157 / 3156Shop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Reverse Light1156 / BA15SShop 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 →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Stepwell LightT10 / 194 / 168Shop position →
Trunk Light912 / 921 / T15Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1993–1994) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Halogen CapsuleShop position →
Headlight Low Beam9006 / HB4Halogen CapsuleShop position →
Fog LightH3Shop position →
Cornering Light3157 / 3156Shop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Center High Mount Stop Light912 / 921 / T15Shop position →
Reverse Light1156 / BA15SShop 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 →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Luggage Compartment Light912 / 921 / T15Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1992) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Halogen CapsuleShop position →
Headlight Low Beam9006 / HB4Halogen CapsuleShop position →
Front Turn Signal3157 / 3156Shop position →
Parking Light3157 / 3156Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1990–1991) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Halogen CapsuleShop position →
Headlight High BeamH47014 Rectangular
Headlight Low Beam9006 / HB4Halogen CapsuleShop position →
Headlight Low BeamH47034 Rectangular
Fog LightH3Shop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal3157 / 3156Shop position →
Brake Light3157 / 3156Shop position →
Tail Light3157 / 3156Shop position →
Reverse Light3157 / 3156Shop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Halogen CapsuleShop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy Light1156 / BA15SShop position →
Glove Box LightT10 / 194 / 168Shop position →
Ash Tray LightT10 / 194 / 168Shop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1988–1989) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High Beam9005 / HB3Halogen CapsuleShop position →
Headlight High BeamH47014 Rectangular
Headlight Low Beam9006 / HB4Halogen CapsuleShop position →
Headlight Low BeamH47034 Rectangular
Fog LightH3Shop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal1157Shop position →
Brake Light1157Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
License Plate LightT10 / 194 / 168Shop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1985–1986) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH46514 Headlamps
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal1157Shop position →
Brake Light1157Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Engine Compartment Light1156 / BA15SShop position →
View Fitment Options →

GMC K3500 (1982–1984) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Headlight High BeamH46514 Headlamps
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal1157Shop position →
Brake Light1157Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
View Fitment Options →

GMC K3500 (1981) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal1157Shop position →
Brake Light1157Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
View Fitment Options →

GMC K3500 (1980) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Cornering Light1156 / BA15S2 Round HeadlampsShop position →
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal1157Shop position →
Brake Light1157Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
View Fitment Options →

GMC K3500 (1979) Bulb Size Chart

Lighting PositionBulb SizeNoteNext Step
Front Turn Signal1157Shop position →
Parking Light1157Shop position →
Rear Turn Signal1157Shop position →
Brake Light1157Shop position →
Tail Light1157Shop position →
Reverse Light1156 / BA15SShop position →
Front Side Marker LightT10 / 194 / 168Shop position →
Rear Side Marker LightT10 / 194 / 168Shop position →
Dome Light211-2 / 578 / 41MMShop position →
Courtesy Light1156 / BA15SShop 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.