2020 Lexus RX 450h Bulb Size

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Bulbs Chart

Back Up Reverse Light Bulb - 921

Side Marker Light Bulb Front - 168

Back Up Light Bulb - 921

Trunk or Cargo Area Light - 168

Interior Door Light Bulb - 168


2020 Lexus RX 450h Back Up Reverse Light Bulb (921)

    LED Lights

  • Best Choice

    Philips 12789LPB2 Bright White Vision

    Replace your standard car lights with our robust Philips Vision LEDs that deliver dynamic lighting for your vehicle, both inside and out. The innovative design and unmatched performance of Philips Vision LEDs are available for brake and taillights, backup lights, dome lights, and license plate lights. These bulbs are covered

See more 921 LED Lights

2020 Lexus RX 450h Side Marker Light Bulb Front (168)

    Halogen Lights

  • Premium Pick

    PIAA Xtreme White Plus High Performance

    The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs, all while meeting DOT specification. Xtreme White Plus bulbs feature a crisp white light output that allows for better road illumination, while a blue top coat

See more 168 Halogen Lights

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.
  • Inexpensive But Reliable

    Diode Dynamics HP3 LED Bulbs

    Design. The 194 HP3 LED bulb is a compact, simple LED replacement with proven performance. The single diffused optic spreads light in the original lamp, for OEM-style appearance and function. With its dual-lead contacts, it will fit snugly in the socket, and its light weight means it won't vibrate loose over...
  • Extremely Bright

    iBrightstar T10 168 LED Bulbs

    Product benefits:  Non-polarity design, 500% brighter than original halogen bulb, aircraft grade aluminum heat sink with Low temperature for Longer life span & Low Power Consumption (Up to 50,000 Hours Service Life).

See more 168 LED Lights

2020 Lexus RX 450h Back Up Light Bulb (921)

    LED Lights

  • Best Choice

    Philips 12789LPB2 Bright White Vision

    Replace your standard car lights with our robust Philips Vision LEDs that deliver dynamic lighting for your vehicle, both inside and out. The innovative design and unmatched performance of Philips Vision LEDs are available for brake and taillights, backup lights, dome lights, and license plate lights. These bulbs are covered

See more 921 LED Lights

2020 Lexus RX 450h Trunk or Cargo Area Light (168)

    Halogen Lights

  • Premium Pick

    PIAA Xtreme White Plus High Performance

    The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs, all while meeting DOT specification. Xtreme White Plus bulbs feature a crisp white light output that allows for better road illumination, while a blue top coat

See more 168 Halogen Lights

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.
  • Inexpensive But Reliable

    Diode Dynamics HP3 LED Bulbs

    Design. The 194 HP3 LED bulb is a compact, simple LED replacement with proven performance. The single diffused optic spreads light in the original lamp, for OEM-style appearance and function. With its dual-lead contacts, it will fit snugly in the socket, and its light weight means it won't vibrate loose over...
  • Extremely Bright

    iBrightstar T10 168 LED Bulbs

    Product benefits:  Non-polarity design, 500% brighter than original halogen bulb, aircraft grade aluminum heat sink with Low temperature for Longer life span & Low Power Consumption (Up to 50,000 Hours Service Life).

See more 168 LED Lights

2020 Lexus RX 450h Interior Door Light Bulb (168)

    Halogen Lights

  • Premium Pick

    PIAA Xtreme White Plus High Performance

    The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs, all while meeting DOT specification. Xtreme White Plus bulbs feature a crisp white light output that allows for better road illumination, while a blue top coat

See more 168 Halogen Lights

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.
  • Inexpensive But Reliable

    Diode Dynamics HP3 LED Bulbs

    Design. The 194 HP3 LED bulb is a compact, simple LED replacement with proven performance. The single diffused optic spreads light in the original lamp, for OEM-style appearance and function. With its dual-lead contacts, it will fit snugly in the socket, and its light weight means it won't vibrate loose over...
  • Extremely Bright

    iBrightstar T10 168 LED Bulbs

    Product benefits:  Non-polarity design, 500% brighter than original halogen bulb, aircraft grade aluminum heat sink with Low temperature for Longer life span & Low Power Consumption (Up to 50,000 Hours Service Life).

See more 168 LED Lights

Lexus RX 450h Bulb Size By Years

Goal: help you quickly find the correct bulb sizes for a 2020 Lexus RX450h so replacements fit and perform. Many implementers get stuck by inconsistent listings or unclear fitment notes, so this short guide reduces that confusion and sets clear next steps. Prerequisites and step by step: have the vehicle VIN or owner's manual to confirm fitment, then match each lamp location to the listed bulb size here. A recommended approach is to compare OEM specifications against trusted aftermarket options and weigh trade-off between longevity and cost. Note: some links on this page are affiliate links; I may earn a commission at no extra cost to you. That is an assumption made for transparency and validation. Validation, troubleshooting and wrap up: after install, validate by cycling lights and checking beam aim and error codes. If a bulb triggers warnings or doesn’t seat, inspect connectors and sockets for corrosion. For complex electrical issues seek a professional. These steps should move you from confusion to clarity.

2020 Lexus RX 450h specs
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