








💡 Light up your ride with brilliance and ease—never settle for dull again!
Marsauto 578 LED Bulbs deliver a powerful 400 lumens of 6500K daylight white brightness with ultra-efficient 1.4W power consumption. Designed for universal compatibility across multiple automotive and RV lighting applications, these bulbs feature a no-polarity plug-and-play design with built-in CANbus decoder to eliminate flicker and dashboard errors. Crafted with aviation aluminum and a heat-dissipating curve, they ensure safety and longevity up to 50,000 hours, making them the smart upgrade for any vehicle lighting need.














| ASIN | B07QXRZH68 |
| Auto Part Position | Inner |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #1,275 in Automotive ( See Top 100 in Automotive ) #1 in RV Exterior Lighting |
| Brand | Marsauto |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (10,078) |
| Date First Available | May 13, 2019 |
| Exterior | Brushed |
| Item Package Quantity | 1 |
| Item Weight | 0.317 ounces |
| Item model number | 41mm |
| Manufacturer | Marsauto |
| Manufacturer Part Number | AM1S41MMW-4P-JC |
| Model | Marsauto fog bulbs 0117 |
| Operating Life | 50000 Hours |
| Product Dimensions | 0.47 x 3.86 x 5.83 inches |
| Specific Uses For Product | RV Exterior Lighting |
| UPC | 786784146348 |
| Voltage | 12 Volts |
K**A
perfect
Got these for christmas for my boyfriend and they work great!! very bright and easy install
E**P
Good daylight for honda crv 2018
Seems good quality fit well for our 2018 honda crv. Much better light then the original yellow
M**M
Marsauto D2S LED bulbs
Installed on a 2008 Range Rover Sport HSE, replaced the original Xenon bulbs. It's not easy to find an LED bulb which actually fits and works on the Rover for a reasonable price. Definitely brighter, whiter, and casts a wider beam, so it's a good upgrade. I definitely like the idea that you can turn the bulb by hand after installation, so the beam pattern can be lined up properly (usually with the LEDs shining sideways), but has enough friction to hold it in place. With most other adjustable bulbs you have to remove the bulb and loosen some tiny screws and try it again. This is far more convenient. On the Rover the tricky part was what to do with the the Xenon igniter which is usually directly attached to the bulb, so for now it's tucked into the lamp housing cavity next to the bulb, and hopefully vibration does not cause any damage. Another concern is how long will these bulbs last, knowing that the cooling is relying on a small high RPM fan? Kept the original bulbs just in case, but for now these are great.
M**8
BRIGHT and easy to install
Bright white light with a big improvement over stock bulbs. Installation is very easy and straightforward. Just test the light first to make sure the polarity is correct before snapping the cover back on. Overall, a simple upgrade that works great.
C**6
Plug and play
Worked on my 2018 Subaru limited that came with stock led headlights and halogen fog lights which always looked strange so I tried these and it was a direct replacement no extra steps took about 5 min total and has worked perfectly for months since and now looks great and is very bright without blinding my fellow drivers
A**E
Like I'm on a Stage..
On a long and lonesome hwy, East of Omaha, you could see the deer coming better than you could a dog. Here I am, giving Stars again.. There I am. Like I'm on a Stage.. These are brighter than OEM and easy to install.
B**S
Nice and bright
This works well with my 2009 vw Jetta
T**O
Fits old vehicle perfectly
I got these for my older vehicle which had bulbs. Fit perfectly and work nicely. Not only good for license plate but map light dome lights and probably alot of others. So the multi pack is worth it. Im slowly changing out these old bulbs.
J**M
Para interiores del vehiculo estan muy bien, iluminan mejor que las incandecentes.
J**R
Nice and bright.. just like having daylight in my 2017 Hyundai Santa Fe XL
A**J
It doesn't fit the Honda Odyssey 2016 door lights and cargo light. only work in map lights, license plate and step out light. Have to order another model once again for the door light. 6 are utilized and 4 are wasted, and I have spent more now.
C**Z
Excelente iluminación
Y**N
Plaser dans mon camion
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