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Peterson Clearance or Side Marker Trailer Light w/ Reflector - Submersible - Teardrop - Amber Lens

Peterson Clearance or Side Marker Trailer Light w/ Reflector - Submersible - Teardrop - Amber Lens

Item # M116A
Our Price: $7.53
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Shipping Weight: 0.16 lbs
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5-3/8" x 1-13/16" Teardrop. Waterproof, incandescent trailer light serves as a clearance or side marker light. Built-in reflex reflector. Surface mount - hardware included. 1-Wire design. P2 Rated. Great Prices for the best trailer lights from Peterson. Peterson Clearance or Side Marker Trailer Light w/ Reflector - Submersible - Teardrop - Amber Lens part number M116A can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (248)
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Peterson Trailer Lights - M116A

  • Clearance Lights
  • Triangle
  • Incandescent Light
  • Amber
  • 5-3/8L x 1-13/16W Inch
  • Surface Mount
  • Rear Clearance
  • Side Marker
  • Non-Submersible Lights
  • Peterson

5-3/8" x 1-13/16" Teardrop. Waterproof, incandescent trailer light serves as a clearance or side marker light. Built-in reflex reflector. Surface mount - hardware included. 1-Wire design. P2 Rated.


  • Incandescent trailer light functions as a clearance or side marker light when properly mounted
    • Wedge design is ideal for use on recreational trailers
  • Built-in reflex reflector removes the need for a separate reflector
  • Sonically sealed, waterproof housing and lens unit is submersible
  • Amber lens over incandescent bulb
  • Compatible with 12V DC systems
  • Surface mount to trailer - hardware included
  • Single wire design grounds through mounting hardware
  • DOT compliant
  • P2 rated


  • Dimensions: 5-3/8" long x 1-13/16" tall x 1-1/2" thick
  • Distance between mounting holes (center on center): 3-1/8"
  • 1-Year limited warranty

Peterson 116A Clearance Marker Light w/ Reflector Dimensions

Sonically Sealed, Waterproof Trailer Light

The waterproof construction of this light makes it ideal for use on trailers that may be submerged, like a boat trailer. The housing and lens are sonically sealed together to create a single unit, which means that water will not get into the light and damage the diodes or circuit board.

P2-Rated Lights

Diagram of light spread for P2 rated light

A P2-rated light produces a 45-degree angle of light to either side of its centerline for a total of 90 degrees of coverage. This beam pattern can be seen straight on, but it cannot be seen clearly from the side. So this type of light can be used as either a side marker light or a clearance light, but it cannot function as both. If you need both functions, then you must install 2 separate lights on your trailer - one as a front or rear clearance light and one as a side marker light.

Surface-Mount Light

Surface Mount Trailer Light Installation Diagram

Surface-mount trailer lights install using a flange or bracket with mounting holes. These lights lay flat against the trailer surface and only require a small, often pre-existing hole, for wiring. Mounting hardware is used to secure the light to the trailer.

M116A Peterson Clearance or Side Marker Trailer Light w/ Reflector - Submersible - Incandescent - Wedge - Surface Mount - Amber Lens - P2 Rated

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Customer Satisfaction Score:

Customer Reviews

Peterson Clearance or Side Marker Trailer Light w/ Reflector - Submersible - Teardrop - Amber Lens - M116A

Average Customer Rating:  4.8 out of 5 stars   (248 Customer Reviews)

5-3/8" x 1-13/16" Teardrop. Waterproof, incandescent trailer light serves as a clearance or side marker light. Built-in reflex reflector. Surface mount - hardware included. 1-Wire design. P2 Rated.


Great place to shop at. All trailer lights changed.


This is an EXTREMELY difficult light to find. I called by boat trailer manufacturer (EZ Loader) and they said that Wesbar made these wedge lights since the early 1990s and 2 years ago they had stopped making them? This light is a PERFECT replacement to that Wesbar wedge light that has been discontinued. E Trailer is an AWESOME company. This is my 5th order and I cant say enough good things about this company. Extremely helpful folks - fast shipping and superior products. REALLY pleased.

Stu C.


You guys are awesome with GREAT products and serviceTHANKS


I ordered these lights for my boat trailer. The description of these lights were very detailed and made me confident they were exactly what I needed. I recieved the lights in a timely manner and they were exactly what I needed .

David R.


etrailer had the lights I was needing for my older boat trailer.. Great price, fast shipping.


I don't blame eTrailer as much as I blame the United States Postal Service but to deliver a package that originates near St. Louis, Missouri to go to Salt Lake City, Utah and sits for nearly 5 days is quite astounding. Why can they not deliver a package and make a straight bee line to the DFW metroplex. It took nearly 2 weeks to get a simple package.I deducted the 1 star for that reason.


I am very thankful that etrailer carries a replacement light for my "not so new" boat trailer (1999 Prestige). The M116A Wedge Amber Side Marker light is nearly the exact same light my boat trailer came with, including the fastener holes. The video and technical information helped me decide to buy from etrailer. Keep up the good work etrailer. I would definitely buy again from etrailer.


Worked as the should


They were a little larger than what was originally on the trailer, but the screw holes lined up perfect and were very easy to install


I purchased 2 Peterson wedge style clearance lights for my boat trailer to replace the original lights.
I ordered online and they arrived within a week.
The installation was quick and easy!
This is the 2nd order Ive placed with etrailer but it wont be my last. Very happy with the products and fast delivery!


Very similar to the existing marker light for my boat trailer. So, I ordered 2. They look great! I have to install them tomorrow morning. Thank you!


Nice bright and clear nice price use as clearance lights on my boat trailer

Dennis B.




Light were a direct replacement for my EZ Loader trailer. Came with screws and fit without additional drilling required.


My order was sent promptly, complete, and matched my existing lights perfectly!
Thank You etrailer!


The 1st light didnt work, thank goodness I ordered 2 and the 2nd 1 did. Not worth the $13.21 I paid to send back. I ordered close to $300 and this was my only mishap. Everything else was shipped faster then that other online retaler, made in USA (I'm a disabled vet & only buy American) and looks and fits perfect. Hopefully someone at etrailer will read this and make up the $13.21 but if not I'll survive.


Just recently bought a great used boat but the front drivers wedge light was broken. Found this on etrailer and ordered, it was delivered quickly and worked perfectly. Thanks!


Needed two of these. The ones on my boat trailer are beat up.


Got what I ordered. And great communication I will order from etrailer in the future.



They are very nice but I needed the type that has a center mounting screw that attaches through a hole in the trailer and acts a the negative source


Exactly what I ordered.


I received one with the bulb out of the socket. In order to put the bulb back in I have to break the watertight seal if possible without damaging the housing. Otherwise I will have to glue it back together

Etrailer Expert

Jenny N.


Oh no! I am sorry that the bulb had come out of the light. The light can be replaced and I will have our Customer Service team reach out to you.


Perfect replacement for the stock damaged old lights. Quick delivery. Was notified when my order was shipped by etrailer. Great company!!


Lights are pretty much what I was looking for but was surprised to see that the holes for mounting them are pretty small. Since these are submersible and going on a boat trailer frame the supplied wood/sheet metal (?) screws won't do me any good and would like to put in a little larger screw in them. Maybe you can tell me how much larger I can make the hole without compromising the light itself.

Etrailer Expert

Katrina B.


I have contacted the manufacturer and they have confirmed that they measure the mounting holes with a caliper and the diameter of the head cannot be larger than 0.25 inches, but you can go longer than the 0.75 inches length of the screws provided. The current screw specs are 6-18 x 0.75 Type A., Type 1 cross recessed fillister head tapping steel screws with black oxide coating.


Very good replacement on my 2000 Tracker 175 trail-star trailer.


These wedge-shaped marker lights are nearly impossible to find, though they were widely available just a couple of years ago. has them in stock for a reasonable price - lucky for me since I have two of them on my boat trailer and haven't found a decent substitute. I did need to drill a new hole in my trailer since the screw mounting pattern is smaller on these lights than the original lights, but that was easy. Overall very satisfied - prompt delivery of quality lights at a reasonable price - can't get much better than that.

Tom S.


One year later and still working well!


Ordering process easy. Searched all of Tulsa area and was told by trailer companies that the lights I needed on my 15 year old boat trailer were no longer available and that I would need different lights. AND...drill new holes to fit new lights in my restored trailer, which I did not want to do! So, I found etrailer in search engine, found the amber lights quickly, and ordered same day. Received the 2 trailer lights in good packing order and within expected time of less than 1 week. Will order any needed future lights from!

Mike F.


After on e year still working great!


Awesome company for all your trailer needs. Arrived quickly and just as described

Show More Reviews

See what our Experts say about this Peterson Trailer Lights

  • Troubleshooting Marker Light That's Causing Fuse on Tow Vehicle to Blow
    Since you're replacing an existing marker light instead of adding additional lighting, it's extremely unlikely that you're drawing too much power on the running lamp circuit. Instead, I'd look for a short circuit somewhere in the running light circuit. Look for loose wire connections, pinched wires or wires with cracked or worn insulation that would allow the copper wire to short out on the trailer frame.
    view full answer...
  • Repalcement Base for Peterson Clearance or Side Marker Trailer Light part # M116A
    The base you are referring to is included with the Peterson Clearance or Side Marker Trailer Light part # M116A. It has the replacement lens the base and the wiring required for a complete replacement. Check out the linked video on a similar replacement to see the components.
    view full answer...
  • Replacement for Amber Side Marker Light On Eagle Boat Trailer
    The Peterson Clearance or Side Marker Trailer Light w/ Reflector part # M116A is an older style light which appears to the same as the one picture so it will likely be an exact fit replacement. That said, I have attached for you a video which shows exactly where each measurement is taken.
    view full answer...
    Image 1 for
  • Boat Side Clearance Light Replacement for Wedge Shaped Amber Clearance Light
    Based on what you described the part # M116A is the closest option we have for a replacement as it's close in dimension and in shape.
    view full answer...
  • Is Amber Tear Marker Light M116A a 1-Wire Design
    Peterson Teardrop Marker Light # M116A is a 1-wire light, meaning that the ground is established by the metal mounting flange and the 1 wire is for +12V. This means the flange should ideally make bare metal to bare metal contact with the mounting point on the trailer. It is also a good idea to prevent corrosion by applying dielectric grease # 11755 at the installation point.
    view full answer...
  • Wedge/Teardrop Trailer Clearance Lights Available In Red
    The only wedge/teardrop style lights I can find in red are going to be Truck Cab Light Kit # PP20-215. The lights are 4-5/8" long x 2-1/16" wide x 1-3/4" tall and come as the set of 5. Since they are 12 volt, 2 wire connections you will be able to splice them into the trailer wiring. The Peterson Clearance or Side Marker Trailer Light # M116A is only available in amber.
    view full answer...
  • Recommended LED Wedge Clearance Light For Trailer
    The closest LED light that we have to the # M116A is the Triangular LED Trailer Clearance and Side Marker Light or Truck Cab Light, 15 Diode - Amber # CBL22AB. This has a wider design and is not reflective. This is a very nice light that I recommend if you are looking for an LED alternative to your current light. This is a submersible light. Unfortunately I think you will need to decide between LED and Reflective incandescent as you can't just change out the bulb on a sealed unit.
    view full answer...
  • Do I Have to Replace the Wedge Lights on my Boat Trailer with Wedge Lights for LED Upgrade
    When replacing trailer lights (with or without LED) you don't necessarily have to get the exact same light or even light style. Most people like to keep the same style and size so that they don't have to mess with repainting or making sure that everything lines up correctly. If your current light has the same dimensions of the Peterson Sealed Wedge-Type Clearance Marker w/Reflex # M116A then the Optronics Sealed, Miro-Flex, Thin Line, LED Trailer Marker # MCL63AB has slightly different...
    view full answer...
    Image 1 for
  • Is The Triangular Peterson M116A Light Available In Red?
    Though I may have an alternate that will interest you, Peterson does only offer the Clearance or Side Marker Trailer Light # M116A in amber, unfortunately. With that said, check out the Optronics Triangular Trailer Clearance and Side Marker Light # CB22RB. This is quite a bit different, but if you were looking for a triangular red light, this will be the best option we currently have available.
    view full answer...
  • Availability of Triangular LED Trailer Clearance Light M116A in Red
    The closest thing we offer to the # M116A in red is the part # CBL22RB which is a similar truck bed cab light.
    view full answer...
  • Does the Peterson m116a Clearance Light Come in Red?
    I checked with Peterson and confirmed they do not have the # m116a clearance light in the red lens at this time. The dimensions on this light are 5-3/8" x 1-13/16" so if you we are trying to match as close as possible there are a couple of potential options. The Pacer Performance Hi-Five Truck Cab Light Kit - Teardrop Style with Red Lens # PP20-215 Light has dimensions: 4-5/8" long x 2-1/16" wide x 1-3/4" tall The red side marker teardrop lights we offer, part # CB22RB have a different...
    view full answer...
  • Is The Peterson Clearance Light M116A Offered In Red?
    The Peterson Clearance or Side Marker Trailer Light # M116A is a pretty unique design. Unfortunately, they are currently only offered in the amber color. However, we do have a couple options you may want to check out. I have these listed below: Optronics # CB22RB Optronics # MC70RB Peterson # 424600 The # CB22RB will be the most similar, but they are still pretty different. Personally, I prefer the Peterson # 424600 as it has a classy/vintage kind of look to it. Granted, if this isn't...
    view full answer...

Do you have a question about this Trailer Light?

Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Adele M
Updated by:
Adele M
Employee Wilson B
Updated by:
Wilson B
Employee Brian T
Updated by:
Brian T
Employee Cole B
Installed by:
Cole B
Employee Michael B
Installed by:
Michael B

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