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Plunger and Nylon Socket Door Holder - 2" Long Plunger

Plunger and Nylon Socket Door Holder - 2" Long Plunger

Item # DH605
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Our Price: $13.60
Trailer Door Holders
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Shipping Weight: 0.14 lbs
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Hold trailer doors open with ease by mounting one part to the door and the other to the side of your trailer. Creates 2" gap between trailer and door when in use. All metal parts are zinc plated to resist rust and corrosion. Lowest Prices for the best trailer door holders from Redline. Plunger and Nylon Socket Door Holder - 2" Long Plunger part number DH605 can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (70)
  • Q & A (0)
  • Videos (1)
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  • Why etrailer?

Redline Trailer Door Holders - DH605

  • Plunger and Socket
  • 2 Inch Plunger
  • Nylon
  • Redline

Hold trailer doors open with ease by mounting one part to the door and the other to the side of your trailer. Creates 2" gap between trailer and door when in use. All metal parts are zinc plated to resist rust and corrosion.


  • Can also be used on windows
  • Corrosion-resistant zinc plating


  • Plunger 2" long

DH605, Door Holder, 2 1/2" Stem and Nylon Socket

Video of Plunger and Nylon Socket Door Holder - 2" Long Plunger

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

Video Transcript for Redline Enclosed Trailer Parts - Doors - DH605 Review

Customer Reviews

Plunger and Nylon Socket Door Holder - 2" Long Plunger - DH605

Average Customer Rating:  4.7 out of 5 stars   (70 Customer Reviews)

Hold trailer doors open with ease by mounting one part to the door and the other to the side of your trailer. Creates 2" gap between trailer and door when in use. All metal parts are zinc plated to resist rust and corrosion.


Works great now I need a light bulb as my tail light is out


This part is exactly what we needed. It was priced right and shipped quickly. The customer service is excellent. The original order was showing "delivered" but I did not receive it. When I reached out to the etrailer, they immediately shipped out another one - no additional charge and no questions. Turns out the original one was left in my neighbor's mailbox and it took her a few days to let me know! I will be returning that original one to etailer. I will definitely use them again!!!


I'm so happy with this purchase. Our horse trailer's drop down windows were not staying open and these parts were not as easy to find as I'd hoped. I was excited to find them on but was worried they would not arrive prior to our trip (NC to MT). No worries as they arrived very fast, were easy to install and hold tight. Love the quality & great service. Thank you etrailer


Perfect Fit!!

Still in great condition after a whole year in the tropical island of Puerto Rico!!! I would definitely recommend it!!!
Wilfred - 06/10/2020


Now I can STOP struggling with the wind !!!

Just great!!! Windy days dont bother me now! Holds in a strong gust of wind too! SO helpful.
Greg - 05/22/2019


This was an easy replacement and works like a champ. Since it is still very new, it sometimes holds the door open too tight. But also the wind can't blow it shut by accident. It will loosen up in time.


buddy bought a camper shell with one broken off, was the first website to appear on bing with what i was looking for


Good product, great service! Now I don't have to hold my door open anymore.


Very clean and exactly what they were in the picture and work and hold great


Product is well made and quick to install,doors on wheel loader would not stay open the factory latches are broken and its an old machine so not wanting to put alot of money in it I tryed these and they work great and at a good price. I will buy more when something else gos bad. Thanks, Bill

Still working great,and they have been used alot in the past year.
Bill - 10/12/2016


They always have everything I'm looking for!


The product is good but the plunger was too short to use as a replacement however I did use the nylon socket and my existing plunger and it works fine

Joan - 03/11/2019


The plunger and socket arrived extremely fast. Super happy with the seller. The item however is ridiculously tight. Once the plunger is in the socket it is extremely difficult to separate. Regretfully I placed it on my aluminum sided RV. And almost ripped the siding off trying to open the door. I do not recommend this item for Light RV trailers. This is something more appropriate for industrial type trailers or horse trailers. Great product for industrial purposes, absolutely not for recreational RVs.


well made product. Was disappointed that the screws were not included to assemble to my camper.


Good quality. Product took longer than usual to ship due to Mfg back orders.
Pleased with ETRAILER customer service keeping me informed of when product would be fulfilled and shipped.


Exact replacement for the doors on my Holiday Rambler Presidential 5th wheel.


Works great holds windows on horse trailer. Keeps the window from flopping when windows are dropped down while traveling.


This item was purchased to replace an identical item. It arrived on time, was exactly what I wanted and was very easy to purchase on line. I would use again in the future if the need arises.


I wanna to thank etrailer because I sent this part to my father in Puerto Rico, you cannot find them over there!! The truck looks way better now and my Dad is super happy!! Fast delivery and great service!!


The 2 “ is a little short and won’t line up with my application. My mistake. If the metal part were a couple inches longer it would work. It’s otherwise a quality product.

It sounds like a Hook and Keeper set-up with a 4 inch long hook, part # 383400
T-Style Hook and Keeper Door Holder for Trailer Rear or Side Door - 4" Hook - Zinc Plated
would work better for you.
-- Etrailer Expert Mike L - 01/30/2018


easy ordering - fast delivery!



everything i ordered
from etrailer worked great


Exact replacement perfect fit.


Works great! I was very careful getting it lined up and mounted correctly - still had to get in there and "fine-tune" the hole with my Dremel tool. But it holds the door solidly, lets go when you want it to.


Product looks , fit , and functions perfectly . will recommend product and etrailer . Thank you

Show More Reviews

Ask the Experts about this Redline Trailer Door Holders

  • Overall Length of Plunger # DH605P
    The 2" Replacement Plunger for DH605 # DH605P that you referenced is 2 inches in length. If you need something similar to this your best option would be to go with the # DH605 which comes with a new plunger and socket instead of trying to fit your older socket that may be worn out at this point.
    view full answer...
  • Door Holder and Socket Replacement Parts
    Every steel socket and plunger we sell comes with a Zinc coating to help with corrosion. Zinc corrodes approximately 100 times slower than other metals because it develops a thin gray oxide film which inhibits deeper oxidation. We sell replacement parts for the plunger and for the socket together or separately and in different sizes. I've listed a plunger and socket set for you as an example below: Plunger and Nylon Socket Door Holder - 2" Long Plunger Item # DH605.
    view full answer...
  • Distance between Mounting Holes of Plunger and Nylon Socket Door Holder # DH605
    The distance between the mounting holes of the # DH605 is 1-1/4 inches and the holes are 3/16 inch in diameter.
    view full answer...
    Image 1 for
  • Recommended Replacement Trailer Door Holders For A Featherlite 5th Wheel Horse Trailer
    To match your 1" long plunger you'll want the Plunger and Nylon Socket Door Holder # DH604. Just like with your old door holder these will hold your trailer doors open with ease by mounting one part to the door and the other to the side of your trailer. They create a 1" gap between trailer and door when in use. All metal parts are zinc plated to resist rust and corrosion.
    view full answer...
    Image 1 for Image 2 for
  • Holding Trailer Doors Open Using Plungers or Hook and Keeper Holders
    Regarding the man door and the awning, is there any way that you can attach the plunger style holder, # DH605, to the support are for the awning that is causing the interference? Otherwise, you could use something like the hook and keeper, # 383400. If they were placed near the door hinges you could probably configure it to hold the door open where it will not interfere or shut. The same thing for the rear barn doors. The stress on the door keepers would be greater the closer they are...
    view full answer...
  • Does the Plunger and Nylon Socket Door Holder DH605 Come with Install Hardware
    The Plunger and Nylon Socket Door Holder part # DH605 does not come with installation hardware but we do have screws that will work for this, the part # 1131832.
    view full answer...
  • What Size Does the Plunger Need To Be To Use the Replacement Nylon Socket
    The diameter of the plunger that the Replacement Nylon Socket part # DH600S is designed to fit will be around 1/2" give or take 1/8". The plunger must be larger than the opening on the socket in order to hold it in place. That said, in order to make sure you get an exact fit it would be best to just replace both the socket and plunger with part # DH604 for 1" or part # DH605 or 2".
    view full answer...
  • Will a Plunger that is 19/32" in Diameter Fit with the Replacement Nylon Socket # DH600S
    Since the hole diameter of the Replacement Nylon Socket # DH600S 1/4" I recommend just getting the whole kit to ensure they work together properly. We have part # DH604 which has a 1" long plunger and part # DH605 which has a 2" long plunger.
    view full answer...
  • Available Plunger and Nylon Socket Door Holder
    The # DH604 and # DH605 come with both the plunger and the nylon socket, which is where the difference between the part you've linked and the parts you're referencing on our site. These are sold as sets of 1. The Replacement Nylon Socket for DH604 and DH605 # DH600S is available if you're just looking for the nylon socket and not the hardware/plunger, which is also sold singularly.
    view full answer...
  • Available Lengths of RV Door Plungers
    We have RV door plungers in several lengths that you can see on the linked page but the longest one we have is 2-1/4-inches long, part # PLR64.
    view full answer...
  • Door Holder For Trailer Entrance Door
    I'm not 100 percent sure what you mean by "cylinder" though we do have some door holders for your trailer's entrance door. These partss are add-ons, however, as opposed to replacement parts: - C-Clip Door Holder - Polar White: 3" # 37210204 or 5-1/2" # 37210374 - C-Clip Door Holder - Zinc Plated Steel: 3" # 37210535 - Plunger and Nylon Socket Door Holder: 1" Long Plunger # DH604 or 3" Long Plunger # DH605 I have added links to video reviews for you to check out as well.
    view full answer...
  • Longest Available Door Replacement Plunger
    The 2 Inch Replacement Plunger # DH605P referenced in your question does not come in a 3 inch length. I verified this with Redline. We also have the slightly longer 2-1/4 Inch Plunger # PLR64 from Polar Hardware available, which can be used with the Socket # PLR66. This is the longest replacement plunger we have available.
    view full answer...
  • Door Retainer Stronger Than Rubber Door Retainer
    Thanks for the photo, and the best option for a door retainer that is stronger than a rubber door retainer is the plunger and socket style, which are more heavy duty and will allow your door to stay open while the wind blows. This style has gotten really good reviews from our customers who have used them, including their use on horse trailers. You just need to find the one with the correct length for your trailer. - Plunger and Rubber Socket Door Holder - 1-3/4" Long Plunger # PLR62-66 -...
    view full answer...
    Image 1 for

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Info for this part was:

Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee Jeff D
Installed by:
Jeff D

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