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Optronics Incandescent Trailer Clearance and Side Marker Light - Submersible - 2 Bulbs - Red Lens
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Optronics

Optronics Incandescent Trailer Clearance and Side Marker Light - Submersible - 2 Bulbs - Red Lens

Part Number: MC65RB
2620 Reviews | 28 Questions
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Optronics Incandescent Trailer Clearance and Side Marker Light - Submersible - 2 Bulbs - Red Lens customer photo
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3-15/16" x 1-1/4" Rectangle. Waterproof, incandescent trailer light serves as a side marker or clearance light when properly mounted. Durable polycarbonate housing and lens. Surface mount to trailer with bracket. PC rated. 2 bulbs. Great Prices for the best trailer lights from Optronics. Optronics Incandescent Trailer Clearance and Side Marker Light - Submersible - 2 Bulbs - Red Lens part number MC65RB can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Optronics Trailer Lights - MC65RB

Highlights

  • Ready for the Water: Sonically sealed, waterproof housing keeps moisture out so it stays lit even when submerged.
  • Two Lights in One: PC rating provides 180° coverage, working as both clearance and side marker light.
  • Simple Hookup: Accepts standard 1-prong or 2-prong plugs for quick wiring.
  • Tough Build: Durable polycarbonate lens and housing resist cracks and wear.
  • Exact Fit Every Time: Mounts on 3" centers and matches Uni Bond #SE1040R, Wesbar #221902, Truck Lite #19200R, Grote #46742, Peterson #154R, and Bargman #40-38-001.
  • Low Draw, Long Life: 12 V design with 0.6 A current keeps power use low while lighting reliably.

Features to know about

Reliable Lighting in Wet Conditions: Fully Submersible and Sealed Housing

When your trailer spends time around water, you need a light that can handle it. This Optronics rectangular clearance and side marker light has a sonically sealed, waterproof housing and lens that form a single submersible unit. That tight seal keeps water from getting inside and damaging the two incandescent bulbs or corroding the contacts, so it stays dependable whether you’re out in the rain or backing into the lake.

Better Visibility from Every Angle: PC-Rated 180-Degree Coverage

Being seen at night or in low light is key for safety. This PC-rated light produces a 90-degree beam to each side of its centerline for a total of 180 degrees of visibility. When mounted properly, it functions as both a clearance and side marker light, shining bright from the front and sides so other drivers can clearly see your trailer’s edges.

Straightforward Replacement: Exact Fit and Standard Connectors

Swapping out old lights shouldn’t be a chore. Measuring 3-15/16" long x 1-1/4" tall x 7/8" deep with 3" center-to-center mounting holes, this light fits into standard brackets like the Optronics A65B (sold separately). It accepts industry standard 1-prong or 2-prong plugs for an easy plug-in connection—no rewiring or drilling required.

Built to Last: Durable Polycarbonate Lens and Housing

Road debris, sun, and vibration are tough on trailer lights, but this one takes it in stride. The red snap-on lens and housing are made from durable polycarbonate that resists impact and UV damage. And when it’s time to service, the two incandescent bulbs are easy to replace so you can keep your lights shining for years.

Specs

Dimensions

  • Overall dimensions: 3-15/16" long x 1-1/4" tall x 7/8" deep
  • Distance between mounting holes (center on center): 3"

Dimensional diagram of Optronics MC65RB rectangular red submersible trailer clearance and side marker light showing measurements and mounting hole spacing.

Electrical

  • Bulb type: incandescent
  • Number of bulbs: 2
  • Voltage: 12V DC
  • Current draw: 0.6 amperes

Construction

  • Housing and lens: durable polycarbonate
  • Mount type: surface mount with bracket (A65B - sold separately)
  • Waterproof rating: submersible, sonically sealed housing and lens
  • Lens color: red snap-on lens
  • DOT compliance: DOT compliant
  • PC rating: PC rated

Diagram showing PC-rated trailer light beam spread pattern with 180-degree coverage illustrating 90-degree angles of light projection on each side of the centerline.

Warranty

  • Warranty: 3-Year warranty

Manufacturer Cross Reference

  • Uni Bond #: SE1040R
  • Wesbar #: 221902
  • Truck Lite #: 19200R
  • Grote #: 46742
  • Peterson #: 154R
  • Bargman #: 40-38-001

MC65RB Optronics Incandescent Trailer Clearance and Side Marker Light - Submersible - 2 Bulbs - Rectangle - Red Lens - PC Rated

Alternate part number: MC-65RB







Customers Who Purchased This Trailer Lights Also Bought...



Customer Satisfaction Score:

Ratings & Reviews

4.9

2620 reviews
5 Stars
(2380)
4 Stars
(180)
3 Stars
(34)
2 Stars
(10)
1 Star
(16)
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by:
In the process of detailing my 2003 motorcycle trailer to get it looking good again. Clearance lights needed replacement. The original red lights were now faded pink for goodness sake! Replaced all 20 lights with the thin-line red and amber side marker lights. Replacement couldn't be more simple; remove original lights, snap in new. Exact fit and everything worked perfectly. Now, once the new tires and wheels get here we'll be in good shape! The new lights definitely make you say, "no way that trailer's 15 years old" :-)
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by:
As described
by:
Excellent product very well-made easy to install exact same size as original ones that were on the trailer . They are nice and bright . When I ordered this product they gave me a date of the delivery rand it arrived on that day .
Very pleased
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by:
These match the lights I am replacing exactly. I have always used etrailer for my trailer parts.
by:
I ordered four of these MC65RB side marker lights as spares for my Cargo Mate trailer. They arrived in perfect shape. They are a suitable replacement for the old part number 1A-V-1260 running lights that came on my cargo trailer. I have installed one already and it works just like the old one. I would recommend these lights to anyone,
Dmh profile picture

Dmh

8/21/2016

A year has gone by and the light I installed still operates perfectly. A quality product.

by:
I replaced my entire trailer full of lights and everyone worked and continues to work a year later.
by:
Great price. Fast service. My go to place for trailer lights!
Roxie profile picture

Roxie

6/27/2016

Still great!

by:
These are a direct replacement for my haulmark car trailer. The lights work great and I decided to order an extra set and a mounting bracket in case one breaks while on the road. Just take your time when replacing the lights to avoid breaking the retaining clips.
by:
Ordered this item on a Tuesday and by the following Monday I had it. Was anxiously awaiting it to arrive. Because I needed it ASAP to repair my trailer clearance lights so I could cover my trailer for the winter. I tried getting this item from the dealer (who I found out was no longer in Business) and I also tried getting it from the trailer manufacturer. It took the manufacturer almost a week to get back with me. With a price that was much higher than etrailer.com. Sorry, didn't have time to take any pictures; had to cover the trailer up with a RV Trailer Cover before bad weather.
by:
Although a small and simple item, in my state the police consider side marker lights being out as "cash cow." Fortunately I was able to get the exact side marker lights I needed in a timely manner and at an exceptionally great price. I now carry four extra in the trailer. Thanks George!!
by:
Great Product!! Just what I needed.....Thanks!! I received the package today.....Thanks for the quick delivery! I will order more from ETrailer.com.
William R. profile picture

William R.

1/9/2015

Still working Great!! Thanks for the good products that your Company sells.

by:
Ordered replacement lights for my trailer, got them when they said I would. Easy to install, the videos that they have online are great. I think that there is a video for everything that they have.
Light are working great.
Gene
by:
I have been looking for this replacement part for the past month. I found e-trailer service to acquire my part to be the most effective. The parts were exact...the shipping fast efficient and reasonable. They are now on my favorite's list for all my trailer needs. I would recommend them for all your trailer needs
by:
The first one I received was thrown in a box with some bearings and other heavy parts and consequently had the terminals broken. I sent etrailer an email and they shipped another one out to me. The new light is perfect (and bright) and ready to go on the trailer.

Thank you etrailer, for your awesome customer service.
by:
A good replacement part. I bought a pair of them and they work just fine. I like the LED technology. At night they are bright. However, I like to turn my running lights on during the day, when I think they could be a bit brighter.
by:
These were the exact fit for my 2003 Haulmark, trailer, the price was equal to Haulmark,, shipping was 2.99 (USPS) HM only had 15.99 (USPS) the 2 lights are under 6 bucks This is the place for trailer parts. I will take time to check out the entire website.
by:
perfect replacement. fast shipping.
George profile picture

George

10/14/2017

Still works great.

by:
I have used several parts from etrailer over the years, and have never had any problem. they handle only the best quality and I can get hard to find products sent quickly and easily right to my house. I could not recommend a company more highly than etrailer.
by:
The marker lights are an exact replacement for the ones on my trailer. Ordered a couple extra to have on hand when traveling just in case I need to replace a marker while on the road.

Ordering was easy. Had one question for Customer Service which was answered the next day. Package arrived two days after placing order.
by:
I have a 2001 Merhow equistar which I was not able to find on the select your vehicle drop down choices. However I was able to find the trailer lights I needed on etrailer. Delivery was quick and the product installed easily. It was a nice experience ordering through etrailer. Thanks
by:
Outstanding service. Was about to take a road trip and needed lights ASAP. Placed order with no special shipping. Lights arrives in two days!!!!! Great quality. Have several other friends who have ordered from etrailer. ALL of them report the same results. Excellent service with GREAT PRICES!!!!

by:
Had to replace some faded out clearance lights on my trailer. Snapped the new ones right on. You guys always a good to deal with, including the videos you have on some installations. They were really helpful when I had to install my trailer brake setup on my truck! Thanks Hal
by:
Received exactly what I ordered and everything worked perfectly. Have used etrailer before and they are always on target. Highly recommend them for all your trailer, RV, or towable items.
by:
We were delighted to have received our lights. However we over looked that they did not come with the mounting brackets. Would you be able to help or point me in the right direction.
by:
Purchased this product as well as other light replacements on this order as well as other products in the past. etrailer's website is one of the best if not "the best" to find producs and order from. Videos and other information shown is outstanding. If you have questions a quick call to them results in answers - not more questions. etrailer is my "go to" company for anything - and I literally mean anything - trailer related. Keep up the fantastic service.
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See what our Experts say about this Optronics Trailer Lights

Do you have a question about this Trailer Light?
  • Looking For Red And Amber Replacement For 1A-V-1260 Style Marker Lights
    Hello KEvin, thanks for reaching out. According to my research, the 1A-V-1260 lights are 3-7/8" long by 1-1/4" wide red lens clearance lights. We do have a suitable replacement. For that, I recommend the following: - Optronics Thinline LED Trailer Clearance or Side Marker Light - Submersible - 4 Diodes - Red Lens # MCL75RB - Optronics ThinLine LED Trailer Clearance and Side Marker Light - Submersible - 4 Diodes - Amber Lens # MCL75AB Please let me know if there is anything else I can...
    view full answer...
  • Replacement Clearance Lights 1-1/4" Tall, 3-15/16" Long and 7/8" Deep With 2 Prong Connectors
    We have the Optronics Incandescent # MC65RB and Optronics Thinline LED # MCL75RB that use a red lens. The Optronics Incandescent # MC65AB and Optronics ThinLine LED # MCL75AB have an amber lens. A Optronics ThinLine LED # UCL65CB uses a clear lens with red LED's, and the Optronics ThinLine LED # MCL65CAB is a clear lens with amber LED's. We will not have any with a white light and clear cover.
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • Replacement Boat Trailer Clearance Light with SAE P2 91 DOT on the Lens
    The number on the lens that you see is the lens rating, not a part number so it is difficult to go by that number. There might be a part number on the back of the light housing. Otherwise it would be easiest to go by the dimensions of the light. For example light # A91RB does have the same lens rating. It would use a base such as # A91BB and wiring harness # A91LW for the power wire.
    view full answer...
  • Trailer Clearance Light Replacement
    Those part numbers are for trailer clearance lights, and the main difference between 1a-v-1240R and 1a-v-1260r is that the 1240R is a led light, and the 1260r is a incandescent light. Both lights have red lenses and are 3 7/8 inches long, by 1 1/4 inch wide. We do have replacement lights that will work in both styles. For an led red marker light you can use Optronics Thinline LED Trailer Clearance or Side Marker Light # MCL75RB. For an incandescent light use Optronics Incandescent Trailer...
    view full answer...
  • What is the Difference Between a P2 Rated Light and a PC Rated Light
    We actually have a handy help article, linked to the right for you, that explains this and other helpful information on trailer lights. Below is an excerpt: The light beam emitted from a P2 or P3 light spreads out 45 degrees to each 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 of the trailer. When mounted square to the front, sides, or back of a trailer, this kind of light provides...
    view full answer...
  • What is the Difference Between PC and PC2 Lights
    Lights with a PC rating like the Optronics Incandescent Trailer Clearance and Side Marker Light # MC65RB and PC2 rated lights are both combination lights. The light on these spreads out 90 degrees to either side of its centerline for a total of 180 degrees of coverage. The main difference between PC and PC2 is the application. PC2 Lights are specifically designed for trailers at least 80" wide while PC lights do not have this restriction.
    view full answer...
  • Clearance Light Recommendation that are 3-7/8 inch x 1-1/4 inch x 7/8 inch
    I believe the Clearance Light part # MC65RB would be the correct light for you. The difference in length is about .1 of an inch which would be close enough. Especially since these look exactly like what you have and the other dimensions match up. The amber version of this is part # MC65AB. Fort the amber/red version you would want # MC65ARB.
    view full answer...
  • How To Order Trailer Lights
    To order trailer lights you will want to order by part number on your lights or by the size of the light you will need. The SAE stands for the Society of Automotive Engineers and the 97 DOT stands for the Department Of Transportation. These part numbers are usually on the lenses of most all trailer lights. You will want to get a Brand name (Bargman, Peterson, Wesbar) and the part number (40-38-001, 154R, 221902) that is on your light to be able to get the correct light for your trailer....
    view full answer...
  • Availability of Replacement Lens for Magnetic Tow Lights
    I compared the picture of the lights you have to the magnetic tow lights we carry and it looks like you have the Roadmaster Magnetic lights part # RM-2120. Which I spoke to my contact at Roadmaster and he said that any replacement lens with a 4-1/4 inch overall diameter that snaps onto the light housing would work like the part # A24RB.
    view full answer...
    Image 1 for
  • Running Lights for 2014 Shorelander Trailer
    It doesn't look like we have an exact match for the clearance light on your trailer, but we have several similarly shaped ones that could work. If you measure the dimensions of your light and then check out the link I attached to the right you will see a list of all of the submersible, rectangle clearance lights we offer. If you select the dimension closest to your light has from the list on the left you will see the lights that would fit the best.
    view full answer...
    Image 1 for
  • Troubleshooting 5th Wheel Trailer Clearance Lights Blinking with the Turn Signals
    When using the brake and turn signal at the same time, you are drawing more power then just with running lights. Since some of the LEDs blink, they may inadvertently be attached to the turn signal wire on the trailer. Most trailers have one wire that carries both turn signal and brake light functions and one wire that carries running lights. I would check to make sure the correct wire is run to the new clearance lights. An LED clearance light like # MC65RB will have two terminals or wires....
    view full answer...
  • Comparing Black Bracket and Single Wire Plug A65PB and Plug n Go Bracket A65PBPG
    For the Black Bracket and Single Wire Plug, # A65PB, the plug on the end of the one wire is different than that on # A65PBPG. The plug n go style on # A65PBPG is easier to attach to the MC65 series of lights, like # MC65RB, because the cable is molded around the connector. This also covers any exposed wires that would normally be present like on # A65PB.
    view full answer...
  • Recommended Amber, Red, And Clear Lens LED Clearance Lights For Karavan Boat Trailer
    The clearance lights we offer are not exactly the size you mentioned but these may work well for your trailer. I recommend part # AL82AB for the amber lights. These are LED lights and are submersible. These measure 2-1/2 inches long and 1-3/16 inches wide and 7/8 inch deep. For a red clearance light I recommend part # AL91RB. The clearance lights with a clear lens has amber colored diodes. We do not have a clear I recommend part # AL91CAB. All three of these lights have the same measurement...
    view full answer...
  • Availability of Replacement Optronics Trailer Taillight MC65RB that is LED
    Yes we do have an LED replacement for the # MC65RB with the part # MCL65RB.
    view full answer...
  • Possible Replacement Red Clearance Light Lens For 1998 Trails West Horse Trailer
    I found some pictures of a 1998 Trails West Horse Trailer but couldn't quite make out what model red clearance lights it used, and unfortunately trailer manufacturer's don't keep records of this kind of thing. Based on that picture it looks like they used Optronics # MC65RB which is a pretty common light. This lens has two prongs on it that plug in to the black base # A65PB. As long as this base is what your trailer has installed you can use the # MC65RB, or if it's a different base that...
    view full answer...
  • What is the Correct Replacement Light for the Truck-Lite 19200R Clearance Light?
    Hi Gerald, The Optronics Thin Line Clearance Light part # MCL61RB is listed as a replacement for the Truck-Lite 19250R, which is the LED version of your 19200R light. If you want to switch to LEDs, this light is the same dimensions and mounts using the same plug style. If you prefer to stick with an incandescent light, the proper replacement is the Optronics Incandescent Clearance Light part # MC65RB. Optronics has charts that show what the correct replacements are for different lights,...
    view full answer...
  • Recommended LED Clearance Light that is Red and Amber
    The Optronics LED clearance light that is similar to # MC65RB, but will be amber and red, is the Optronics LED clearance light # MCL65ARB. This light is sealed, waterproof and is a surface mount. The dimensions are 3-15/16 inch length by 1-1/4 inch width by 7/8 inch deep. You will need a bracket and plug like # A65PB to complete the installation of the Optronics LED trailer light # MCL65ARB. Another option you may like is the LED clearance/marker light with a bracket and wire # MCL67ARB....
    view full answer...
  • Replacement Oval Amber Trailer Clearance Light Lens
    Thanks for the picture! Because of that I was able to determine that you need the part # A66AB.
    view full answer...
    Image 1 for
  • Upgrading Optronics Thinline 65 Series Clearance and Side Marker Lights To LED
    The Optronics Thinline LED Trailer Clearance or Side Marker Light # MCL65RB will fit the same Mounting Bracket # A65PB as the Optronics Incandescent Trailer Clearance and Side Marker Light # MC65RB. The only difference is the LED versus the incandescent lights. The Optronics Thinline LED Trailer Clearance or Side Marker Light # MCL65AB is also available in a amber lens if you also have them going down the sides of your band trailer.
    view full answer...
  • What Screws Fit Black Bracket and Single Wire Plug for Thin Line Series Trailer Lights # A65PB
    The back of the lights that go with the Black Bracket and Single Wire Plug for Thin Line Series Trailer Clearance and Side Marker Lights, # A65PB, have a recessed area over the mounting holes. Take a look at # MC65RB, and click on the third picture to see the recessed area. I went out to the warehouse and pulled both parts to measure. There is a space of 3/16 inches between the bottom of that recessed area and the base of the bracket. The screw head would have to be 3/16 inches tall or...
    view full answer...
  • Troubleshooting Installation of Side Marker Lights on a 2003 Silver Star Horse Trailer
    I have a solution for you but we do not have an exact replacement for the PM154 that you referenced. I saw that you purchased # MC65RB and the proper base bracket for these lights is # A65PB if you would like black or # A67CB if you wanted a chrome base.
    view full answer...
  • Replacing Optronics Thin Line Incandescent Trailer Light with Thin Line LED Trailer Light
    You are exactly right. Changing out your # MC65RB incandescent lights for new # MCL75RB lights will simply require removing the existing light and snapping a new light into the same housing. Both of these lights use the # A65PB bracket. If any of the brackets on your trailer need replaced you can use the # A65PB as a replacement, but the LED lights will not require any different base than the incandescent lights. I have attached an installation video of the # MCL75RB light for you.
    view full answer...
  • Can I Use Optronics LED Light # MCL75RB in the Same Base as Light # MC65RB
    Yes, both the Optronics lights # MC65RB and MCL75RB use the same mounting base, so the # MCL75RB lights will snap into your old bases. You will then need to wire in the lights, with a power and ground connection. Part # MCL75RB is a sealed LED light light and will burn brighter but draw less power than part # MC65RB. Both lights use either base # A65PB or # A67CB. See the video that I shot showing both lights.
    view full answer...
  • Lights Needed on 12 Foot Long x 83 Inches Wide Dump Trailer
    I can certainly help you find all of the parts needed to rewire your dump trailer and we do have a lighting kit that will work for you. However we do not have any kind of plug-and-play rewiring kit. The taillight kit I recommend for you is the Optronics Waterproof, Over 80 Inch LED Trailer Light Kit with 25 Foot Wiring Harness # TLL16RK. This kit includes 2 red LED taillights with the functions needed for trailers over 80 inches wide. The included wiring harness has 25 feet of wire to...
    view full answer...


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