Fall Sale 10% Off! Use promo code GHOST21 during checkout.
store image

3156 LED Bulb - 18 SMD LED Tower - Wedge Retrofit

Part Number: 3156-x18-T-RVB
Select Color Options:
Cool 6500K
Warm 3000K
Select Pack:
In Stock
Starting at $5.95 ea. (per Bulb)
Volume price as low as $5.35
Orders ship on or before  Monday 10/18/2021
  • Select options to see various notes.

🎃 FALL SALE: Use Code GHOST21 At Checkout For 10% Off Your Entire Purchase! Details »



*Only valid if promo is applied at checkout.

*Only valid on orders placed between October 6th, 2021 and October 18th, 2021.

Frequently Bought Together


LED replacement bulbs can fit numerous boat and RV applications such as navigation lights, cabin lights, dome lights, tail lights, brake lights, reverse lights, turn signals or side marker lights. This 3156 single-contact bulb has 18 LEDs (5050 SMD) that create a 360° viewing angle for better, allover light emission with reduced hot spots. Produces up to 280 lumens. Tower-style design with a 16-mm wedge base for easy plug-and-play installation. The energy-efficient bulb operates within a wide 10-30V DC range and is designed to last 30,000 hours on your motorhome or boat—25 times longer than incandescents. Available in cool and warm white, amber and red. Not sold in pairs. Price per bulb.

Important Notes - Please read before purchasing:
  1. Your vehicle may require an LED compatible Flasher or Load Resistor. LED brake/tail lamps will not flash with most stock flasher units due to their extremely low current draw. Try our Vehicle LED Bulb Finder to find a compatible flasher for your vehicle. Please See More LED Car Bulb Notes
  2. For best results the LED color should be the same as the lens color. If bulb is behind a clear lens, use the appropriate color for turn and brake light functions. Please See More LED Car Bulb Notes
  3. If your daytime running light application serves multiple purposes, this bulb will most likely not work for your vehicle.
  4. To protect LEDs in marine applications, it is advisable to use a 12 VDC line conditioner to compensate for voltage irregularities common in marine low-voltage systems.
3 Years
Super Bright LEDs, Inc. offers a 3-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. If the same product is no longer available, a product of equal value may be substituted. Read More
In order for certain products within controlled categories, such as electrical and electronic devices, to be legally sold in the European Economic Area, they must bear a CE label, which stands for Conformité Européenne (European Conformity). Products with this label meet environmental, health, and safety standards put into place by European legislation.
  • Turn Lights
  • Tail Lights
  • Brake Lights
  • Daytime Running Lights


Swipe left to see additional specifications
Part NOCCT / Wavelength
Current Draw @ Operating Voltage
Price Ea.Product Weight
3156-R18-T630 nm60 lm0.12A$5.95-
3156-A18-T593 nm208 lm0.18A$5.95-
3156-CW18-T6500 280 lm0.18A$5.95-
3156-WW18-T3000 275 lm0.19A$5.95-
3156-R18-T-2PK630 nm60 lm0.12A$11.90-
3156-A18-T-2PK593 nm208 lm0.18A$11.90-
3156-CW18-T-2PK6500 280 lm0.18A$11.90-
3156-WW18-T-2PK3000 275 lm0.19A$11.90-
3156-x18-T-RVB - 3156 LED Bulb - 18 SMD LED Tower - Wedge Retrofit
3156 LED Bulb - 18 SMD LED Tower - Wedge Retrofit



Overall Rating

Total Reviews


Tell Us What You Think

Share your own experience and photos of this product. Doing so will help inform other potential buyers and allow us improve our product lines. It may take up to 72 hours for your review to appear.

Sign In Required to Write a Review
Click here to sign in to your account
Technical Level
Part Number
Reviewed On

Works Great!

Works as described. Very easy to install. Very bright. Great reverse lights.

Helpful? Yes (6) No (0)

Technical Level
Part Number
Reviewed On

Garden Path lighting

I got tired of constantly replacing the incandescent light bulbs on my garden path lights. The lights run on 12 volts AC. These 3156 LED's can run on AC or DC so it was a simple plug n play. One exception, was that one out of the four LED's I installed, smoked and burned up right away. I sent it back with the prepaid label supplied by Superbrightleds; they sent me a new one right away.
As for the lighting, the new LED's are just slightly 'whiter' light than the old automotive incandescent bulbs. The new LED's draw so little amperage, that now I can get rid of the big, unsightly transformer and replace it with a little plug-in DC transformer and save some electricity too.
I have bought a lot of LED's from Superbrightleds in the past, and they are always helpful with great customer support.

John Rosenow
Lititz, PA

Helpful? Yes (3) No (0)

Technical Level
Part Number
Reviewed On

Great reverse bulbs

Great replacement for my 2004 Ford F150 reverse bulbs. Crisp clean light through the smoked lenses. Highly recommend these to anyone looking for a reverse bulb upgrade.

Helpful? Yes (3) No (0)

Technical Level
Part Number
Reviewed On

great landscape bulb

ordered these to replace my incandescent bulbs on my system and these look really bright compared to the others and I like the color temperature. Now I just hope they last a long time.

Helpful? Yes (2) No (0)

Craig C.
Technical Level
Part Number
Reviewed On

Great upgrades!

I purchased a set of these bulbs to replace the backup incandescent bulbs on my 2004 Ford F250 SuperDuty. I was a bit skeptical about the price but my skepticism was put to rest once I installed them. They are way brighter then to OEM bulbs and well worth the money. I'm in the process of switching all my exterior lights over the superbrightLED.com's products and couldn't be happier. Great upgrades!

Helpful? Yes (2) No (0)

Send us your Feedback