Sylvania

Sylvania 6418 Miniature Bulb Basic 2-Pack

4.4 (145 reviews)

Direct-fit OEM-spec replacement miniature bulbs that restore consistent, legal illumination to your vehicle's interior or marker circuits.

$6.24*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Sylvania 6418 is a miniature replacement bulb designed for the range of low-current lighting circuits found throughout passenger vehicles — interior courtesy and map lights, license plate illumination, cargo area lights, and certain exterior marker applications. As a product from an OEM supplier that manufactures bulbs to factory specification, the 6418 is built to the same tolerances as the parts installed during vehicle assembly. That means correct base type, voltage rating, and light output for the intended socket — no adapter required, no wiring concern, no guessing on fit. The two-pack format is deliberate: paired applications should be replaced together to maintain matched brightness.

Installation is as straightforward as replacement bulbs get. Access the socket, pull the old bulb, seat the new one. For most interior applications that means removing a lens cover — dome lights and map lights typically snap off or require a trim tool. License plate housings usually involve a screwdriver. The bulbs themselves conform to industry standards for road-legal use, and their high-quality construction is intended to resist the thermal cycling and vibration that shortens the life of lower-grade replacements. These are not the bulbs you upgrade to for performance — they're the bulbs you trust to restore OEM function and not think about again for years.

Key Features

See Sylvania’s Application Guide in the Technical Details below to confirm compatibility

Made from high quality material for long lasting durability

Produced by a trusted OEM (Original Equipment Manufacturer) light source supplier

Easy installation as a direct replacement bulb

Legal for on road use

Lights dim over time, replace in pairs for optimal performance

Specifications

Part Number
6418
Pack Quantity
2 bulbs
Bulb Type
Miniature / Incandescent
Road Legal
Yes
OEM Supplier
Yes
Replacement Type
Direct replacement

Pros & Cons

👍 Pros

  • Sold as a two-pack, which matches Sylvania's own recommendation to replace in pairs — you get both bulbs needed for a paired application in a single purchase.
  • Produced by a trusted OEM supplier, meaning these meet the same manufacturing standards as the bulbs installed at the factory, reducing the risk of early failure or fitment issues.
  • Direct-replacement design requires no wiring modification, adapter, or special tools — installation takes minutes with basic access to the bulb socket.
  • Certified for legal on-road use, so there's no compliance concern when using these in exterior marker or license plate applications.
  • High-quality materials are specified for long-lasting durability, which is particularly relevant for frequently-used interior lights that see daily cycling.

👎 Cons

  • These are conventional incandescent miniature bulbs — they will dim gradually over time rather than providing consistent output throughout their lifespan, which is why Sylvania recommends pair replacement.
  • No installation hardware or instructions are included in the pack — accessing some bulb sockets (particularly in tight interior trim locations) can require trim removal tools that aren't obvious to first-time DIYers.
  • Vehicle-specific fitment must be independently verified via Sylvania's application guide; the listing itself does not confirm compatibility for your specific year/make/model without that additional check.
  • As incandescent bulbs, they draw more current and generate more heat than LED alternatives, which may be a consideration for certain sensitive applications or for owners looking to reduce electrical load.

Frequently Asked Questions

Check Sylvania's Application Guide in the Technical Details section for your year, make, and model before purchasing. The 6418 is a miniature bulb used across a wide range of domestic and import vehicles in applications like map lights, dome lights, license plate illumination, and cargo area lighting — but fitment varies by application and model year.
It is a direct replacement bulb. No wiring modification, adapter, or special tooling is required beyond accessing the bulb socket. Pull the old bulb, insert the new one — it uses the same base type and voltage spec as the OEM part it replaces.
Sylvania includes two bulbs and recommends replacing them in pairs. Bulbs degrade in output over time even before they fail completely, so replacing only one results in mismatched brightness between paired applications like dual map lights or side marker pairs. Replacing both at once restores even illumination across the circuit.
Yes — the 6418 is explicitly certified for legal on-road use and conforms to industry standards for automotive lighting performance and lifespan. These are not aftermarket performance bulbs with questionable DOT compliance; they're a straightforward OEM-grade replacement.
Common applications include interior courtesy lights, map/reading lights, license plate illumination, side marker lights, and cargo area lights. The exact application in your vehicle depends on your make and model — verify via Sylvania's compatibility guide.