2018 Lexus RX 350L Bulb Size
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Bulbs Chart
2018 Lexus RX 350L Back Up Reverse Light Bulb (921)
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Best Choice
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
Philips 12789LPB2 Bright White Vision
LED Lights
2018 Lexus RX 350L Trunk or Cargo Area Light (168)
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Premium Pick
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 coatPIAA Xtreme White Plus High Performance
Halogen Lights
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For Car Dome, Map Door, Courtesy, License Plate Lights
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.Marsauto LED Light Bulb 6000K Replacement Bulbs
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Inexpensive But Reliable
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...Diode Dynamics HP3 LED Bulbs
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Extremely Bright
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).iBrightstar T10 168 LED Bulbs
LED Lights
2018 Lexus RX 350L Interior Door Light Bulb (168)
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Premium Pick
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 coatPIAA Xtreme White Plus High Performance
Halogen Lights
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For Car Dome, Map Door, Courtesy, License Plate Lights
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.Marsauto LED Light Bulb 6000K Replacement Bulbs
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Inexpensive But Reliable
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...Diode Dynamics HP3 LED Bulbs
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Extremely Bright
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).iBrightstar T10 168 LED Bulbs
LED Lights
Lexus RX 350L Bulb Size By Years
Decision: This page compiles the bulb sizes and common replacement options for a 2018 Lexus RX350L so you can choose replacements with less guesswork. I present the evidence gathered from OEM specifications and market listings, and note limitations where fitment varies by trim or retrofit headlights.
Constraints: Space and certainty limit how exhaustive this list can be, so the options shown focus on typical alternatives—OEM, halogen, HID, and LED—along with brief interpretation of their trade-offs in brightness, heat, and longevity.
Options and comparison: OEM parts prioritize fit and reliability, while aftermarket LEDs often offer higher lumen output but may present compatibility or beam-pattern issues; halogen remains the simplest hypothesis for broad compatibility. Recommendation: verify the bulb codes against your owner’s manual or the vehicle’s existing bulbs before purchase. Affiliate disclaimer: some links on this page are affiliate links, which means I may earn a commission at no extra cost to you; this supports maintenance of the chart without affecting the objectivity of the comparisons. Risks: incorrect fitment can affect beam pattern or electrical systems, so inspect and, if uncertain, consult a professional.
2018 Lexus RX 350L specs
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Exterior
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