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Toyota Prius Bulb Size Guide
Toyota Prius Bulb Size Guide by Year (2001–2022)
Use this Toyota Prius bulb size guide to find replacement bulb sizes by model year and light position. The supplied charts cover 2001–2022 Toyota Prius applications, including headlights, fog lights, reverse lights, brake lights, turn signals, parking lights, side markers, license plate lights, map lights, dome lights, stepwell lights, cargo or luggage lights, trunk lights, and other replaceable bulbs.
Prius bulb fitment changes substantially across generations. Some years also distinguish between halogen and HID headlamp configurations, while later models use fewer replaceable exterior bulbs. Choose the exact year or year range below before ordering.
1. Choose the exact Prius yearStart with the exact year or model-year range shown below.
2. Match the light positionFind the headlight, fog, reverse, turn signal, brake, map, dome, license plate, or other bulb position.
3. Verify the lighting configurationHalogen versus HID equipment and factory lighting changes can affect fitment.
Quick Navigation
Recent Prius Model Years
Older Prius Model Years
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Fitment note: This chart is a reference guide. Bulb fitment can vary by exact model year, trim, halogen or HID headlamp configuration, factory lighting package, and regional specification. Verify the original bulb before ordering when fitment is uncertain.
Toyota Prius Interior LED Light Kit
The supplied page includes a complete interior LED kit for the 2004–2015 Prius model-year range.
Popular Toyota Prius Bulb Families
These bulb families appear repeatedly in the supplied Prius charts. Use the year-specific table first, then choose the matching replacement category.
T10 / 194 / 168Map, parking, side-marker, license-plate, door and other interior-light applications
7440 / 7443Reverse, turn-signal, brake and selected parking-light applications
T15 / 912 / 921Reverse-light applications on several Prius year groups
DE3175 / 31mmDome and luggage-compartment applications
9005 / HB3High-beam and daytime-running-light applications on 2010–2015 models shown here
H11 / H8 / H9Low-beam and fog-light applications on 2010–2015 models shown here
H4 / 9003 / HB2Combined high/low halogen headlight applications on 2001–2009 models shown here
6418 / 36mmTrunk-light applications on multiple Prius year groups
Toyota Prius Bulb Changes by Generation
2001–2003: the supplied chart lists H4/9003/HB2 for the combined high/low headlight, T15/912/921 for reverse, 7443/7440 for rear brake, turn-signal and tail-light positions, DE3175/31mm for the dome light, and BA9S for the map light.
2004–2009: the supplied chart distinguishes H4/9003/HB2 halogen headlamps from D2R HID headlamps. It also lists 9006/HB4 fog lights, 7443/7440 reverse and front turn signal, T10/194/168 for several interior and exterior positions, and 6418/36mm for the trunk light.
2010–2011: the supplied chart changes to separate 9005/HB3 high beam and H11/H8/H9 low beam, with H11/H8/H9 also listed for fog lights. Reverse and front turn-signal positions use 7443/7440, while T10/194/168 and DE3175/31mm cover many interior positions.
2012–2015: the supplied chart keeps 9005/HB3 high beam and H11/H8/H9 low beam and fog lights. Reverse remains 7443/7440 in the chart, while trunk-light fitment changes during 2015 from 6418/36mm to T10/194/168 after 05/2015.
2016–2018: the supplied chart focuses mainly on replaceable interior, reverse, parking and front turn-signal bulbs, including T15/912/921 reverse, 7443/7440 parking and turn-signal entries, T10/194/168 interior bulbs, and DE3175/31mm dome-light entries.
2019–2022: the supplied charts continue to list T15/912/921 for reverse on 2019, 2021 and 2022, with extensive T10/194/168 use for interior, parking and side-marker positions and 7443/7440 for front turn signals.
Toyota Prius Bulb Size Charts
Toyota Prius (2022) Bulb Size Chart
| Light Type | Bulb Size |
|---|---|
| Reverse Light (Back-Up Light) | T15 (912 921) |
| Cargo Box Light | T10 (194 168) |
| Dome Light (Front) | T10 (194 168) |
| Luggage Compartment Light | T10 (194 168) |
| Side Marker Light (Front) | T10 (194 168) |
| Parking Light (Front) | T10 (194 168) |
| Interior Door Light | T10 (194 168) |
| Side Marker Light (Front) | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
Toyota Prius (2021) Bulb Size Chart
| Light Type | Bulb Size |
|---|---|
| Reverse Light (Back-Up Light) | T15 (912 921) |
| Cargo Box Light | T10 (194 168) |
| Courtesy Light | T10 (194 168) |
| Dome Light | DE3175 (31MM) |
| Side Marker Light | T10 (194 168) |
| Dome Light (Front) | T10 (194 168) |
| Parking Light (Front) | T10 (194 168) |
| Side Marker Light (Front) | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
| Interior Door Light | T10 (194 168) |
| Luggage Compartment Light | T10 (194 168) |
| Map Light | T10 (194 168) |
| Trunk Light | T10 (194 168) |
Toyota Prius (2019) Bulb Size Chart
| Light Type | Bulb Size |
|---|---|
| Reverse Light (Back-Up Light) | T15 (912 921) |
| Side Marker Light (Front) | T10 (194 168) |
| Interior Door Light | T10 (194 168) |
| Parking Light (w/o LED Parking Lights) | T10 (194 168) |
| Dome Light | DE3175 (31MM) |
| Luggage Compartment Light | T10 (194 168) |
| Map Light | T10 (194 168) |
| Side Marker Light (Front) | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
Toyota Prius (2016–2018) Bulb Size Chart
| Light Type | Bulb Size |
|---|---|
| Reverse Light (Back-Up Light) | T15 (912 921) |
| Courtesy Light | T10 (194 168) |
| Parking Light (Front)(2017-2018) | 7443 (7440) |
| Luggage Compartment Light | T10 (194 168) |
| Map Light | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
| Interior Door Light | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
| Stepwell Light | T10 (194 168) |
| Reverse Light (Back-Up Light)(Outer) | T15 (912 921) |
| Parking Light (w/o LED Parking Lights) | 7443 (7440) |
| Dome Light | DE3175 (31MM) |
| Dome Light (Front)(2017-2018) | DE3175 (31MM) |
| Trunk Light | T10 (194 168) |
Toyota Prius (2012–2015) Bulb Size Chart
| Light Type | Bulb Size |
|---|---|
| Headlights (High Beam) | 9005 (HB3) |
| Headlights (Low Beam) | H11 (H8 H9) |
| Front Fog Lights | H11 (H8 H9) |
| Reverse Light (Back-Up Light) | 7443 (7440) |
| Courtesy Light | T10 (194 168) |
| Daytime Running Light | 9005 (HB3) |
| Interior Door Light | T10 (194 168) |
| License Plate Light | T10 (194 168) |
| Dome Light | DE3175 (31MM) |
| Side Marker Light (Front) | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
| Turn Signal Light (Front) | 7443 (7440) |
| Stepwell Light | T10 (194 168) |
| Luggage Compartment Light | DE3175 (31MM) |
| Map Light | T10 (194 168) |
| Reverse Light (Back-Up Light)(Outer) | 7443 (7440) |
| Parking Light | T10 (194 168) |
| Trunk Light (2012-2014) | 6418 (6411 36MM) |
| Trunk Light (To 05/2015)(2015) | 6418 (6411 36MM) |
| Trunk Light (From 05/2015)(2015) | T10 (194 168) |
Toyota Prius (2010–2011) Bulb Size Chart
| Light Type | Bulb Size |
|---|---|
| Headlights (High Beam) | 9005 (HB3) |
| Headlights (Low Beam) | H11 (H8 H9) |
| Front Fog Lights | H11 (H8 H9) |
| Reverse Light (Back-Up Light) | 7443 (7440) |
| Courtesy Light | T10 (194 168) |
| Dome Light | DE3175 (31MM) |
| License Plate Light | T10 (194 168) |
| Side Marker Light (Front) | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
| Interior Door Light | T10 (194 168) |
| Stepwell Light | T10 (194 168) |
| Luggage Compartment Light | DE3175 (31MM) |
| Map Light | T10 (194 168) |
| Parking Light | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
| Reverse Light (Back-Up Light)(Outer) | 7443 (7440) |
| Trunk Light | 6418 (6411 36MM) |
Toyota Prius (2004–2009) Bulb Size Chart
| Light Type | Bulb Size |
|---|---|
| Headlights (High Beam and Low Beam)(w/ Halogen Capsule Headlamps) | H4 (9003 HB2) |
| Headlights (High Beam and Low Beam)(w/ HID Headlamps) | D2R |
| Front Fog Lights | 9006 (HB4) |
| Reverse Light (Back-Up Light) | 7443 (7440) |
| Courtesy Light | T10 (194 168) |
| Dome Light | DE3175 (31MM) |
| Side Marker Light (Front) | T10 (194 168) |
| Reverse Light (Back-Up Light)(Outer) | 7443 (7440) |
| Turn Signal Light (Front) | 7443 (7440) |
| License Plate Light | T10 (194 168) |
| Luggage Compartment Light | DE3175 (31MM) |
| Stepwell Light | T10 (194 168) |
| Tail Light | T10 (194 168) |
| Map Light | T10 (194 168) |
| Tail Light (Outer) | T10 (194 168) |
| Parking Light | T10 (194 168) |
| Side Marker Light (Front)(2008-2009) | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
| Trunk Light | 6418 (6411 36MM) |
Toyota Prius (2001–2003) Bulb Size Chart
| Light Type | Bulb Size |
|---|---|
| Headlights (High Beam and Low Beam) | H4 (9003 HB2) |
| Ash Tray Light | T5 |
| Reverse Light (Back-Up Light) | T15 (912 921) |
| Brake Light (Rear) | 7443 (7440) |
| Brake Light (High-Mounted) | T10 (194 168) |
| Dome Light | DE3175 (31MM) |
| Side Marker Light (Front) | T10 (194 168) |
| Tail Light (Outer) | 7443 (7440) |
| Parking Light | T10 (194 168) |
| Turn Signal Light (Front) | 7443 (7440) |
| License Plate Light | T10 (194 168) |
| Trunk Light | T10 (194 168) |
| Reverse Light (Back-Up Light)(Outer) | T15 (912 921) |
| Brake Light (Rear)(Outer) | 7443 (7440) |
| Map Light | BA9S |
| Turn Signal Light (Front) | 7443 (7440) |
| Tail Light | 7443 (7440) |
Toyota Prius Bulb Size FAQ
What bulb size does a Toyota Prius use?
There is no single bulb size for every Prius. The correct bulb depends on model year, light position, and in some years the headlamp configuration. Use the exact year-specific chart above and verify the original bulb before ordering.
What headlight bulb does the Toyota Prius use?
The supplied 2001–2003 chart lists H4/9003/HB2 for the combined high/low headlight. The 2004–2009 chart lists H4/9003/HB2 for halogen headlamps and D2R for HID headlamps. The 2010–2015 charts list 9005/HB3 high beam and H11/H8/H9 low beam.
What reverse light bulb does the Toyota Prius use?
The supplied charts include T15/912/921 and 7443/7440 reverse-light applications depending on year. Use the exact Prius year or year range shown above.
What size is the Toyota Prius license plate light?
T10/194/168 is listed for the license-plate-light position on the Prius year groups where that position appears in the supplied charts.
What size are Toyota Prius map and dome light bulbs?
The supplied charts include T10/194/168, DE3175/31mm, and BA9S depending on year and position. Check the exact chart above because map and dome-light fitment changes across generations.
Does the 2004–2009 Prius use the same headlight bulb with HID and halogen headlamps?
No. The supplied chart lists H4/9003/HB2 for halogen capsule headlamps and D2R for HID headlamps, so the headlamp type must be identified before ordering.
Why does the 2015 Prius trunk-light bulb change?
The supplied chart lists 6418/36mm for 2012–2014 and 2015 vehicles to 05/2015, then T10/194/168 from 05/2015 for the 2015 trunk-light position.
Related Toyota Bulb Size Guides
Toyota Bulb Size Guide
Toyota Camry Bulb Size Guide
Toyota Corolla Bulb Size Guide
Toyota RAV4 Bulb Size Guide
Toyota Highlander Bulb Size Guide
Toyota Sienna Bulb Size Guide
Vehicle Bulb Size Cross-Reference Guide
Important: Bulb-size information is provided as a fitment reference and may vary by exact model year, trim, halogen or HID headlamp equipment, factory lighting package, or regional specification. Confirm the original bulb before purchase.
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