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  1. Cup Holder
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Optronics Drop In Cup Holder - Single Tier - 2-3/4" Tall x 2-7/8" Diameter

Optronics Drop In Cup Holder - Single Tier - 2-3/4" Tall x 2-7/8" Diameter

Item # 302B
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Optronics Cup Holder - 302B
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This 2-3/4" tall cup holder drops into one of your vehicle's drink holders to secure cups and cans. Drain holes prevent excess liquid from gathering. Durable, black plastic construction. 1-800-940-8924 to order Optronics cup holder part number 302B or order online at Free expert support on all Optronics products. Guaranteed Lowest Price and Fastest Shipping for Optronics Drop In Cup Holder - Single Tier - 2-3/4" Tall x 2-7/8" Diameter. Cup Holder reviews from real customers.
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  • Reviews (42)
  • Q & A (0)
  • Videos (2)
  • Photos
  • Why etrailer?

Optronics Cup Holder - 302B

  • Cup Holder
  • Black
  • Drop-In
  • Optronics
  • 2-3/4T x 2-7/8W Inch
  • Drain Holes
  • Plastic

This 2-3/4" tall cup holder drops into one of your vehicle's drink holders to secure cups and cans. Drain holes prevent excess liquid from gathering. Durable, black plastic construction.


  • 2-3/4" Tall cup holder drops into one of your vehicle's drink holders to hold cups and cans
  • Drain holes prevent excess liquid from gathering
  • Simple application - just drop into existing vehicle beverage holder
  • Durable, black plastic construction


  • Quantity: 1 cup holder
  • Height: 2-3/4"
  • Cup diameter: 2-7/8"

Optronics 3 Inch Single Tier Drop In Cup Holder Diagram

302B Optronics Drop In Beverage Holder - Single Tier - 3" Tall - 2-7/8" Diameter

California residents: click here

Video of Optronics Drop In Cup Holder - Single Tier - 2-3/4" Tall x 2-7/8" Diameter

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Optronics Drop In Cup Holder Review

Hello, neighbors. It's Brad here at etrailer, and today we're taking a look at the Optronics Drop In Cup Holder. Now this is gonna be great for your 12-ounce drinks, even water bottles will hold in, and if you have your taller, either 16, or maybe 20-ounce, or 24-ounce cans, we also have a taller option that's gonna hold those in place. A lot of cup holders in vehicles are designed to allow you to put a bunch of different size cups, whether it be a coffee mug, or a can, or energy drink, anything like that where they come in a bunch of different can sizes. So one size fits most is not really the case on a lot of these, and you end up having to make sure that you're holding onto your drinks over bumps or sharp turns, and that way they don't spill and create stains all over your vehicle. So when you have your factory ones, they have these rubber little bumpers here, and that's gonna kind of tighten this into place, but as you can see, this has the ability to flop out with minor effort here.

So what we have is the Optronics Drop In Cup Holder. It goes in, it fits almost factory there, and you can see this can sits in there, and it tightens it up at the bottom base, and that really keeps it from toppling over. You can see, I can move it around, but in order for me to get it to pop out, I'm really having to push. It really gives it that bump. So normal bumps in the road should keep your drink in place.

Now for your larger 16-ounce or larger energy drink cans, we also have something that's gonna work just as well, and that's gonna be the taller version of this, and that's gonna fit in this recessed, or sometimes you do have your tiered cup holders, and that's gonna really hold this in place and make sure that you're not toppling over your energy drink, and losing money in the process while driving. I was extremely skeptical of this product. It didn't seem like it would do a whole heck of a lot. Well, we have a test course here that simulates a lot of road bumps and going over it, we did a before and after of a water bottle to see how it actually performed. Surprisingly well.

Very well, in fact, it kept it in place over the constant bumps. So the product itself does work and installation is as easy as dropping it in. This can also be used on golf carts, four wheelers, boats, whatever you have where you're taking drinks with you. This is a great solution if your drinks are falling out..

Customer Reviews

Optronics Drop In Cup Holder - Single Tier - 2-3/4" Tall x 2-7/8" Diameter - 302B

Average Customer Rating:  4.8 out of 5 stars   (42 Customer Reviews)

This 2-3/4" tall cup holder drops into one of your vehicle's drink holders to secure cups and cans. Drain holes prevent excess liquid from gathering. Durable, black plastic construction.


Need these to go in the center console where the previous ones broke. I also recovered the piece to make it look new. Matching chairs went to a new home and we bought new ones

Fits perfectly. ed into a console that fits in between our RV recliner chairs.
Diane - 05/12/2022


I installed the holders yesterday and they are exactly what I expected to receive. I used two of the 4 bottom holes to screw the holders in the exact location that I wanted them. They are serving as a replacement for 3D printed PLA and ABS holders which cracked within 6 months of use. I hope that these do not crack.


I bought a few of these. I used them to install in a bench that I made to sit by the fire as cup holders, they have been outside in all the elements and have held up. I recommend this product!

Its been 2 years since I installed these into an outdoor bench. They are still just as good as day one! Highly recommend
Laura - 12/09/2021


etrailer is easy to use and very productive getting advice and fitment information


Serves it's purpose! Holds up after a year of use just fine. I use it all the time to be able to put fast food drink cups in so they don't fall into my Mustang's cupholder! Great price too.


Exactly what I needed for making table for deck ! Only place I could find inserts that would fit 3” hole !
Will definitely shop here again when making this sort of project !
Photo attached


fit great in our theater seats in our c amper


We were very happy with this transaction from start to finish. The product is at the right price, it arrived timely, and it was perfect for what we needed. We installed them in our plastic adirondack chairs. No more putting our drinks on the ground! We would not hesitate to order from this company again.


These cups are an exact match for our party bus and they even have drain holes as an improvement. Thanks for the quick shipping as well!!!


I bought two to utilize in my truck best little piece of assisted furniture! Ideal for normal cups size holding!!!


Great product. Fits perfectly in my Polaris ranger!


Order arrived ahead of schedule and after looking it over I feel that I definitely got value on my dollar. I'm using these as drop in holders for some homemade poker tables and the quality is definitely more than I bargained on for the price.

I have more tables to build and I will definitely be ordering more of these!


I used these for cupholders in my truck console. Worked great.


Just what I needed for my project, arrived quickly.


Too small for any cup


Worked as expected for my portable folding table.


Fit perfect in our 2012 Wildwood 28SRV! Great quality, so much better than the ones it can’t with!


Easy to use and perfect fit for soda cans. looking to add a few more that we could use for key holders and other misc items in our RV.


Great item that fit exactly as promised in our existing poker table.


Good quality. They fit perfectly on the dock bench.


The product was exactly as described and was delivered on time.


they fit perfectly and arrived quickly


Fit perfect in my boat



Excellent product and service

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Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Bradley B
Installed by:
Bradley B
Employee Dustin K
Video Edited:
Dustin K
Employee Amy B
Written by:
Amy B
Employee Brian T
Updated by:
Brian T

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