$33.90
Free delivery · 7–14 days
T10 LED Bulbs — 10-Pack Cold White 194 W5W Super BrightLED Festoon Bulb — Super Bright Error-Free Car Interior Light
+2
About this itemAll characteristics
Typeautomotive lighting
Chip type4014 SMD
Available sizes31mm, 36mm, 39mm, 42mm
Color temperatureCrisp white-yellow
BaseFestoon (C5W/C10W)
CAN busError-free
From the seller
Transform dim factory dome lights into a crisp, modern cabin experience. These CAN bus error-free LED festoon bulbs plug in instantly and flood your interior with even white-yellow light.
Read the full descriptionDescription
Transform dim factory dome lights into a crisp, modern cabin experience. These CAN bus error-free LED festoon bulbs plug in instantly and flood your interior with even white-yellow light.
Canbus error-free LED upgrade for car interior lighting with multiple size compatibility
Solves
- dim factory dome lights
- warning lights from LED swaps
- interior lighting incompatibility across vehicle models
A brilliant upgrade for your car’s interior
Replace dim factory bulbs with our super-bright 4014 SMD LED festoon bulbs. Canbus error-free design fits 31mm, 36mm, 39mm, and 42mm sockets — crisp white-yellow light without dash warnings.
Three reasons this beats the OEM bulb
Zero dash warnings
Integrated resistors mimic halogen load, so your car’s computer sees a healthy bulb. No flickering, no “bulb out” lights — just plug it in and forget it.
Dense, even brightness
High chip count on a red PCB produces a smooth field of light with no dark gaps. The 4014 footprint is twice as bright as lesser 5050 or 3528 diodes.
Perfect fit, guaranteed
Measure your existing bulb or check your manual — we offer 31mm, 36mm, 39mm, and 42mm lengths. Polished stainless steel caps slide securely into any standard C5W/C10W socket.
What you actually need to know
- 4014SMDChip type
- ErrorfreeCAN bus
- 4sizesFit options
- SuperbrightOutput
How to install in one minute
- 1Turn off the vehicle
Ensure the dome or courtesy light switch is off. Key out of ignition.
- 2Remove old bulb
Pry off the plastic lens (most pop off by hand). Gently pull out the festoon bulb from the metal clips.
- 3Insert new LED
Slide the LED bulb into the same clips. Polarity doesn’t matter — it works both ways.
- 4Test and enjoy
Turn the light on. If it works, snap the lens back. If not, rotate the bulb 180° (some rare circuit boards are directional).
Everything you get
- LED festoon bulb×1
Your selected size (31 / 36 / 39 / 42mm)
From dull to dazzling
The dim reality
Factory halogen dome lights struggle to illuminate even the glovebox. You squint to find items, read a map, or check the backseat. Upgrade attempts with cheap LEDs often trigger CAN bus errors, flashing warnings on your dash — or worse, flicker and fail within weeks.
A smarter bulb
We designed a festoon LED bulb around the 4014 SMD chip, packing densely onto a precision PCB with polished stainless steel caps. Built-in CAN bus resistors emulate the load of a halogen bulb, silencing error codes across a wide range of vehicles. Four precise size options ensure a drop-in fit for most European, Asian, and domestic cars.
Pure, even light
The result: a crisp white-yellow beam floods the cabin with uniform brightness. No hot spots, no color shift. Reading a map, finding a dropped earring, or simply stepping into a well-lit car at night transforms from a nuisance into a seamless, premium experience.
Why this, not that
| This bulb | Generic LED | |
|---|---|---|
| CAN bus error-free | Yes | No |
| Chip density | High (16+ SMD) | Low (6–8 SMD) |
| Size options | 4 | 1 |
| Cap material | Polished stainless steel | Chrome-plated steel |
| Brightness (vs. halogen) | 4× brighter | 2× brighter |
Characteristics
Main
Categoryautomotive lighting
Emitting Color4 options
Details
Chip type4014 SMD
Available sizes31mm, 36mm, 39mm, 42mm
Color temperatureCrisp white-yellow
BaseFestoon (C5W/C10W)
CAN busError-free
InstallationPlug-and-play
Reviews
Questions and answers
Will these bulbs trigger a ‘bulb out’ warning on my dash?
w
Wanelo · seller
No — each bulb has an integrated CAN bus resistor that draws the expected current. They have been tested on hundreds of late-model vehicles including BMW, Mercedes, Audi, VW, and Honda without generating error codes. If your car has a highly sensitive monitoring system (like some 2020+ Volvos), a simple coding change may still be needed, but in 98% of installations it’s true plug-and-play.
How do I know which size to order?
w
Wanelo · seller
Measure your current bulb tip-to-tip in millimeters. Common sizes are 31mm (often in map lights), 36mm (Asian interiors), 39mm (dome lights), and 42mm (trunk / larger housings). If you’re unsure, remove the old bulb and measure it next to a ruler — or check your car’s manual. The product page has a size selector for each listing.
Are these brighter than my factory halogen bulb?
w
Wanelo · seller
Significantly. A standard halogen festoon bulb produces about 50–80 lumens; our 4014 SMD array delivers roughly 200–300 lumens of crisp white-yellow light. You’ll immediately notice the difference on the first night drive.
Do they get hot or drain the battery?
w
Wanelo · seller
The bulbs run cool to the touch — the aluminum caps and efficient LED design dissipate heat quickly. They draw only 2–3 watts, about one-tenth of a halogen bulb, so you can leave a door open for hours without draining the battery.
What is the lifespan?
w
Wanelo · seller
With typical use (a few minutes per day), our bulbs should last 30,000 hours or more — that’s roughly 10 years of daily driving. The 4014 SMD chips are rated for 50,000 hours of continuous use, but automotive voltage fluctuations reduce that slightly.
Why do they cost more than the no-name LEDs on auction sites?
w
Wanelo · seller
You’re paying for the CAN bus error-free circuitry, high-density chip layout, and polished stainless steel caps that won’t corrode. Cheaper bulbs skip the resistor, use fewer, dimmer chips, and often have steel caps that rust. Over three years, buying two or three cheap bulbs that fail ends up costing more than one of ours that just works.
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