Toyota Prius 2003 Bulb Size

Bulb size chart

Headlight Bulb High Beam and Low Beam - 9003
Back Up Reverse Light Bulb - 921
Brake Light Bulb - 7443R
Center High Mount Stop Light Bulb - 168, 917
License Plate Light Bulb - 168, 917
Parking Light Bulb - 168, 917
Side Marker Light Bulb Front - 168NA
Tail Light Bulb - 7443R
Turn Signal Light Bulb Front - 7440A
Turn Signal Light Bulb Rear - 7440
Ash Tray Light Bulb(Compare to original - Option 1) - 2721
Ash Tray Light Bulb(Compare to original - Option 2) - 74
Dome Light Bulb - DE3175
Trunk or Cargo Area Light - 194, 7441

9003 Bulbs

Used for: Headlight Bulb High Beam and Low Beam

PIAA 15224 H4 (9003 / HB2) Xtreme White Plus

PIAA 15224 H4 (9003 / HB2) Xtreme White Plus

Xtreme White Hybrid bulbs are great for down-road illumination, giving you the ability to see farther with greater safety and comfort. Made from high-quality quartz glass as well as alloy filaments that won't break or bend under pressure like regular metals can sometimes do! The Xtra white bulb's construction allows it to withstand intense heat longer so they last much longer before needing replacement which costs less than when replacing them every few months because of their quality material use in combination with far better-distributed weight throughout each unit making this an investment worth having even if just once.

$52.37

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Termitor Latest 9003/H4/HB2 Bulb, 6500K

Termitor Latest 9003/H4/HB2 Bulb, 6500K

These H4/9003/HB2 motorcycle LED bulbs are designed as direct replacements for standard halogen bulbs, supporting both high and low beam functions in compatible housings. They deliver significantly higher light output while maintaining a beam pattern that closely matches the original bulb to help preserve proper road illumination and reduce glare. The compact 1:1 design allows for quick plug-and-play installation without modifications or external components. An aluminum housing combined with an internal cooling fan helps manage heat and supports consistent performance over extended use. With an IP68 rating, the bulbs are protected against water, dust, and a wide range of operating temperatures. Built-in CANBUS support provides compatibility with most motorcycle electrical systems, though some models may require an additional decoder.

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TECHMAX H4/9003 LED Headlight Bulb, Windless Direct Insertion

TECHMAX H4/9003 LED Headlight Bulb, Windless Direct Inser...

Upgrade your car's lighting with the TECHMAX H4 LED Headlight Bulb, the perfect solution for those looking for a high-quality and reliable lighting option. With a fanless and windless design, the H4 LED Headlight Bulb breaks away from traditional bulb designs, providing zero-noise and a more comfortable driving experience. Direct insertion ensures that the volume is close to that of the halogen lamp, making installation simple and hassle-free with no additional wiring harness required. TECHMAX LED lights use double-sided high-quality lamp beads, providing a wider range of illumination and a more concentrated beam pattern. The result is brighter and more uniform lighting, illuminating the road ahead and ensuring a safer driving experience.

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View all 16 replacement options for size 9003 →

921 Bulbs

Used for: Back Up Reverse Light Bulb

View all 14 replacement options for size 921 →

7443R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb

MAXGTRS 7443R Red LED Light Bulbs - Brake / Turn Signal / Tail

MAXGTRS 7443R Red LED Light Bulbs - Brake / Turn Signal /...

Upgrade your vehicle with the MAXGTRS 7443R Red LED Light Bulbs, delivering 360° illumination that is six times brighter than the average, thanks to their 4-sided light source and Auto Grade 3570 LED Chips. These bulbs produce a striking 24w 4000 lumens of red light, enhancing your driving safety by covering a wider area. Additionally, the bulbs’ Plug & Play design offers convenience, preventing hyper flash and error warnings without the need for extra resistors or parts. Choose the MAXGTRS 7443R Red LED Light Bulbs for a blend of bright, reliable, and easy-to-install lighting for your vehicle.

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Alla Lighting 7443R Red Flashing Light Bulb

Alla Lighting 7443R Red Flashing Light Bulb

Elevate your driving experience with Alla Lighting 7443R Red Flashing Light Bulbs. Each bulb boasts 39 high power 2835 SMD LEDs, delivering a combined 2000 lumens of vibrant light. Equipped with a smart IC driver and a projector-lens, these bulbs offer 360° light output and a stable, long-lasting performance of up to 30,000 hours. Designed for versatility, they are the perfect replacement for back-up reverse lights, brake tail lights, and center high-mounted stop lights (3rd brake lights) lamps. The bulbs feature an aluminum heat sink for optimal heat dissipation and operate efficiently within a wide voltage range of 9V~30V, thanks to the built-in intelligent IC driver.

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View all 10 replacement options for size 7443R →

168 Bulbs

Used for: Center High Mount Stop Light Bulb, License Plate Light Bulb, Parking Light Bulb

View all 17 replacement options for size 168 →

917 Bulbs

Used for: Center High Mount Stop Light Bulb, License Plate Light Bulb, Parking Light Bulb

View all 12 replacement options for size 917 →

168NA Bulbs

Used for: Side Marker Light Bulb Front

View all 11 replacement options for size 168NA →

7440A Bulbs

Used for: Turn Signal Light Bulb Front

TUINCYN Amber Yellow 7440A/7440NA/7440 LED Bulb

TUINCYN Amber Yellow 7440A/7440NA/7440 LED Bulb

Amber 7440 Bulb Used For Turn Signals Light Bulb, Including Front And Rear Turn Signals, Not For Other Position. CANBUS Ready For 98% Vehicle, No Interference, No Hyperflash, And No Error Code, Donnot Need Extra Load Resistors. Plug& Play Bulb Easily To Be Installed Within 10 Mins.  Premium quality 6063 aluminum alloy material ensure the light bulb with good heat dissipation and bring low energy consumption. IP68 waterproof and good construction ensure the bulb works well between -40 degree~ 80 degree environment.

$19.99

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View all 6 replacement options for size 7440A →

7440 Bulbs

Used for: Turn Signal Light Bulb Rear

View all 8 replacement options for size 7440 →

2721 Bulbs

Used for: Ash Tray Light Bulb(Compare to original - Option 1)

Jtech 10 x T5 LED White Bulbs

Jtech 10 x T5 LED White Bulbs

The Jtech 10 x T5 LED White Bulbs are a direct replacement for all T5 Wedge Type 17 18 27 37 58 70 73 74 79 85 86 2721. They operate on a 12V input and emit bright white light with no UV or IR radiation. With an average lifespan of 50000 hours and LED SMD5050 (3chip) x 1P, these bulbs provide a long-lasting and reliable lighting solution. Jtech is known for providing superior product quality and service, making these britelites a popular choice among customers worldwide. Despite the presence of cheaper chipsets and modules on the market, these bulbs stand out for their exceptional performance and affordability.

$6.99

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View all 10 replacement options for size 2721 →

74 Bulbs

Used for: Ash Tray Light Bulb(Compare to original - Option 2)

View all 9 replacement options for size 74 →

DE3175 Bulbs

Used for: Dome Light Bulb

EBAIFUN 31mm DE3175 Led Bulbs, White

EBAIFUN 31mm DE3175 Led Bulbs, White

Introducing our high-performance 31mm DE3175 DE3021 DE3022 DE3023 festoon LED bulbs! These bulbs are designed to provide superior illumination and enhance the overall lighting experience in your vehicle. With a sleek and compact design, these bulbs are a perfect replacement for your existing car light bulbs. Equipped with 24-SMD 4014 type chipsets, these bulbs deliver an impressive brightness of approximately 400Lm, casting a brilliant 6000K white light. The stable light body structure ensures consistent and reliable performance, instantly upgrading the lighting system of your car. One of the key advantages of these LED bulbs is their exceptional lifespan. With a longevity of over 50,000 hours, you can rely on these bulbs to illuminate your path for years to come. The input current protection feature safeguards the circuit and ensures a safe temperature range, preventing any potential damage.

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Marsauto DE3175 LED Interior Bulb

Marsauto DE3175 LED Interior Bulb

Product Benefits: More Longevity: Built-in constant current IC for long lifespan, 5 times longer than a halogen bulb. Vibration resistant, energy-saving, low power consumption to reach a long LED bulb life up to 50,000 hours. Wide Application: Interior dome lights, map lights, license plate lights, parking lights, corner lights, trunk lights, side marker lights, courtesy lights, cargo lights, trunk lights, stepwell lights, vanity lights, etc. Easy Installation: The DE3175 LED Light bulb is easy to install, just plug and play! If it doesn’t light up, please flip it 180 degrees then it should light up

$8.99

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View all 14 replacement options for size DE3175 →

194 Bulbs

Used for: Trunk or Cargo Area Light

View all 21 replacement options for size 194 →

7441 Bulbs

Used for: Trunk or Cargo Area Light

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

The KATUR T20 White/Amber Switchback LED Light Bulbs (7441) are a great upgrade for your vehicle's lighting. These energy-efficient bulbs have a 12V operating voltage and are designed to last 50,000 hours, 50 times longer than traditional incandescent bulbs. The single-contact 7440 LED light bulb replaces most auto car incandescents and is well-matched with the original incandescent lights. The easy plug-and-play installation means you just have to plug it into the socket, and flip the bulb horizontally if it does not light up to match the + and - polarity. With 42 2835 SMD LED lights, this bulb provides bright and versatile white/amber switchback lighting. It is CE/RoHS compliant, ensuring high standards and quality. Choose the KATUR T20 White/Amber Switchback LED Light Bulbs for a longer-lasting and more versatile lighting solution.

$17.99

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View all 13 replacement options for size 7441 →

This 2003 Toyota Prius bulb size guide helps you verify the correct bulbs by lighting position, so you can replace a failed lamp without guesswork. Because the Prius can vary by trim, market, and lighting package, it is smart to match the bulb to the exact location on the vehicle before ordering.

Use this page to cross-check common exterior and interior bulbs on the 2003 Prius, including headlights, parking lights, turn signals, brake lights, license plate lights, and cabin bulbs. The goal is to make bulb replacement faster and more accurate, whether you are doing a simple swap or planning a full lighting refresh.

Fitment on the 2003 Toyota Prius can differ between trims and regional specifications, so always confirm the installed bulb before buying, especially if your car has been modified or imported. Halogen bulbs and LED replacements do not always share the same beam pattern or electrical behavior, and some aftermarket LED conversions may require additional parts or may not fit the original housing correctly. If you are upgrading from halogen to LED, check for clearance, polarity, and heat management, and compare the old bulb to the new one before final installation. For the best results, remove one working bulb from the same position and match it to the replacement by shape, base type, and connector style.

FAQ

What bulb does the 2003 Toyota Prius use for the headlight?

The 2003 Toyota Prius uses a 9003 bulb for both the high beam and low beam headlight positions on this page.

What is the rear turn signal bulb size on a 2003 Prius?

The rear turn signal light bulb is listed as 7440 for the 2003 Toyota Prius.

What bulb fits the front turn signal on this Prius?

The front turn signal light bulb is 7440A for the 2003 Toyota Prius.

What bulb is used for the brake light and tail light?

Both the brake light bulb and the tail light bulb are listed as 7443R on this page for the 2003 Prius.

What size is the reverse light bulb?

The back up reverse light bulb is 921 for the 2003 Toyota Prius.

Which bulb fits the license plate lights?

The license plate light bulb is listed as 168 or 917, depending on the exact lamp setup.

What bulb is used for the center high mount stop light?

The center high mount stop light bulb is 168 or 917 on this 2003 Prius page.

What bulb fits the parking light?

The parking light bulb is listed as 168 or 917 for the 2003 Toyota Prius.

What is the dome light bulb size?

The dome light bulb is DE3175 on this page for the 2003 Prius.

What bulb fits the trunk or cargo area light?

The trunk or cargo area light is listed as 194 or 7441 for the 2003 Toyota Prius.

What bulb is used for the front side marker light?

The front side marker light bulb is 168NA for the 2003 Prius.

What are the ash tray light bulb options?

Two ash tray light bulb options are listed: 2721 as option 1 and 74 as option 2, so it is important to compare the installed bulb before ordering.

Why does this page mention trim and lighting package differences?

Because the 2003 Toyota Prius can vary by market and body style, some bulb positions may use different parts depending on the exact vehicle configuration.

Should I check the old bulb before buying a replacement?

Yes. Even when a bulb size is listed here, checking the installed bulb is the safest way to confirm fitment, especially for interior and trim-specific lamps.

Toyota Prius Bulb Size by Year