/
Optronics/
Tail Lights/
Round/
Incandescent Light/
RedItem # ST40RB
Retail:$8.04
Our Price: $6.52
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5-3/8" Diameter round. Incandescent trailer light provides stop, turn, and tail signal. Shock-proof socket protects bulb against damage. Durable steel housing. Flush mount to trailer - hardware not included. 2-Wire design. (1) 2057 bulb.
Features:
Specs:
Manufacturer Cross Reference
Light will work as an exact replacement for:
Uni Bond # TL4300R
Truck Lite # 80334R
Grote # 50232
Peterson # 413/425
California residents: click here
Video of Optronics Trailer Tail Light - Stop, Turn, Tail - Incandescent - Round - Red Lens
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today, we'll be reviewing part number ST40RB. This is the Optronics 4-1/2" round trailer light. It's going to provide 3 functions. You're going to have your stop, turn, and taillights. It's enclosed in a black steel housing. It's going to be very strong and durable to withstand elements. It's also going to feature replaceable acrylic lens and bulb.
The metal portion around the inside of the housing is going to be our snap ring that's going to keep the lens secure inside the housing. It's also going to feature the shockproof socket that's going to guarantee a long bulb life. It also has this pretty narrow foam piece that goes around just to provide a little bit of cushion during your installation. This does flush mount with the flange mount styling through 3 holes in the housing flange. So, you got 1-2-3 different holes. The wiring design has the 2 lead wires for power, and it's going to ground through the mounting hardware. The green wire is going to be for our right turn and brake lights, and the black wire is going to be for our running lights. To go over the dimensions real quick, this is going to give us an overall diameter from end to end of 5-3/8". It going to give us a depth, measuring this way right here, of 1-9/16". The 3 mount holes that we have, again 1-2-3 a triangular pattern, to measure the distance between the holes center on center, that's going to give us a measurement of 4-5/16".
Center on center, that's going to be equivalent for the distance between all the holes, and if we measure from the center of 1 mount hole to the end of the housing on the opposite side, that's going to give us a measurement of 5-3/16". Now again, it is a flange mount design. So, the diameter of the upper ring right here of this portion that sticks out, that's going to give us a measurement from here to here of 4-3/8", and that's going to give us a depth of 1-9/16". So, we're going to go ahead and hook it up to our power source and show you what it looks like when the light is turned on. So, we need to go ahead and make our ground connection, just mounting it to the steel surface there. Then, we'll make the other connections, go ahead and turn off our overhead lights, and turn on our power source. So, you can see there that the running light function is just going to be a nice constant, pretty good signal, and then, when we hit out brake switch, that's going to illuminate a little bit more, and it's also going to function as our turn lights as well. That's going to do it for today's review of part number ST40RB.
This is the 4-1/2" round trailer light providing stop, turn, and taillight functions from Optronics. .
Average Customer Rating: 4.6 out of 5 stars (92 Customer Reviews)
5-3/8" Diameter round. Incandescent trailer light provides stop, turn, and tail signal. Shock-proof socket protects bulb against damage. Durable steel housing. Flush mount to trailer - hardware not included. 2-Wire design. (1) 2057 bulb.Arrived very quickly and order was correct. eTrailer website ordering is very easy to use and sets a high bar. 43457
I often recommend Etrailer to people in my community of RV repair and Renewable Energy. I wish someone would do a video on how to replace hubs-wheels-bearings on older travel trailers with the Dayton-Dexter-Fayette Star wheels and include details on how to identify the axle and weight class. If you want to see what your products have been used on, heres an Example. I bet you never thought Etrailer would be the source for parts on a wind turbines pivot, shaft and furling parts! JOHN 175345
Thank you very much perfect fit just like it was made for it. Do you know how can find out more about this trailer? 568302
It looks like an old livestock or horse trailer. The stamp on the back that says longhorn trailer company in Wichita falls, Texas closed in 2014. They were open for 68 years so its hard to tell how old it is.
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Heather A - 10/05/2018Flush mount stop/tail lights. Best price i could find for these lights. Lights appear to be well made. Fast shipping. Great customer service. 718894
Exact replacement and fast shipping, doesn't get better! 5 stars!! 706868
Exactly what was advertised. Fast shipping. Will gladly purchase from you again. 706568
Product arrived quickly and was what I needed.. customer service is excellent and intelligent..... 696254
Looks good. Had to add a ground wire. 694148
I purchased the Optronics Trailer Tail Light - Stop, Turn, Tail - Incandescent - Round - Red Lens for my camper. They were an exact match to the originals! Easy to order, great price, received quickly, easy to install, quality construction, just what I needed. Super service, I couldn't be more pleased or impressed with your company. A true pleasure doing business with you! 692186
Came on time..connected easily to the trailer..works fine. Will shop with you again. 683803
The product arrived fast, the online description matched perfectly to the parts received, I recommend it 679962
Didn't notice the snap ring. Very convenient if used on a trailer but not what i wanted for my golf cart. Although they did fit in it perfectly i won't use them on the cart. Trading them out with my car hauler. Same size. Nice lights though. 678654
The groove for the retaining ring is virtually nonexistent. Tap or jiggle it a little bit and the ring pops out and then the lens. I had to apply a couple dots of clear caulk around the lense and ring to keep them in place. But it works for a $5 taillight. 667376
Cheap crappy product 642183
Satisfied 642115
Perfect... Fast Service 641107
Fits well and works great. Wish there had been installation instructions regarding the wiring for us novices. 603994
fast shipping easy to navigate website 600915
The items I ordered arrived quickly and we're priced very affordable. 584306
I haven't installed it yet my product yet, but the Etrailer service was awesome. My product shipped and was at my house within a couple days. 582125
Super fast great product priced right! 560562
Haven't installed it yet BUT it looks like an exact match to the one that broke when I lost a tire! 528396
Light was inexpensive but still well made. Easy to install - replaced the rusted out tail lights on my cattle trailer 510729
I was not only impressed with the service but how quickly I received my product and the follow up the company did. I ordered a Blinker/taillight/break unit. I will be ordering more items in the near future. That is guaranteed. 509274
Very nice light. It flush mounts and is a easy install. I needed something of this type for my bantam trailer rebuild and these worked great 480185
After a year of being submerged in creek crossings, surviving being beat on washboard and washed out roads the lights are still working great and bright as ever.
Dave - 03/01/2019Work great, easy to install.....4.5 inch hole saw does the trick. 472119
Easy to use website and very fast shipping. Prices were good too. Thanks 469370
A year down the road, still working fine! Why wouldn't they? 457443
Very fast shipping, light matched one that was already on the trailer but not working. Good deal 450488
Bought to use on a renovation of 1961 Cree tt. Should work great. 440216
They are spares, have not used yet 427459
installed them in my horse trailer has been working ever since thank you 419330
Every item works fine! Parts were delivered in a timely fashion. Installation went well on a 25 yr old trailer. Thanks for being a source for repair parts on this older equipment! 388864
Very nice, will make good use for my tr uck. 367607
Product Review:I had these type lights on an old Toyota rust-bucket with a wooden bed which still is my most loveable vehicle; can't find these lights locally (N/W NC mountains); found your ad online and hoped these would match those already on the Toy and replace some damaged and rusty; couldn't believe I could get exact replacements, but I sure did; order date March 29 early AM, mailman handed them to me April 31 at 1 PM at my house "in the same year!" They had traveled, according to map, across from the edge of Missouri through the southern edge of Indiana, across the length E-W of Kentucky, SW Virginia to Greensboro, NC, then backtracked on land back to my home via USPS to me. Put them to your ear and you could still hear the Mississippi!! Give it a big 5 stars! 364497
Always good service and great products. 357729
Works Great 356505
As described, good quality, great price, prompt shipping. Thanks 337993
Just what I was looking for, for my golf cart, bold and simple, and at a great price. What's not to like? 327667
Replaced lights on RV. Lights worked perfect. The price was great and prompt delivery also 328669
I purchased two of these lights, they are what I expected and arrived in a timely manner. Thanks 324243
Just what ordered. Thanks 317973
Awesome prices and shipping, just what I needed. On time 317919
The trailer lights I bought after a year still look new, there not faded, and the bulbs still work. Worked out great
Manfred u - 11/18/2017Easy ordering, fast shipping! Love me some e-trailer! Great business! 312234
just what i needed 312111
Easy to install and looks great 305618
Fit and finish of these lights is good but the quality of the electrical sockets is very poor and don't function properly! I installed and will see how long they last. I won't purchase these lights again 304473
I purchased these to provide a look that I wanted on my 1954 1/2 ton flatbed. I have only put 12 volts to them for test purposey to this point in time. I have been working on this project since 1999. It is now in it's final stages of construction as the body parts are now being painted. The, the lights, were placed in a 2x6 inch tube, on the end, to look like stop and turn lights on vehicles of that period in time, in the bumper. I went for the bulb look, not the l.e.d. for the look. Very happy with my choice. 299767
Recieved the product in a very timely manner. The product was brandnew perfect condition. Great seller 292851
Works great 288194
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