Most Popular Aftermarket Below Bed Rails for GMC Sierra 3500

I wanted to be able to easily utilize my truck bed and this hitch provides that in spades! Easy to remove and install. I absolutely have to give a shout out to Paula on customer service. She was amazing! My first shipment was damaged and missing a vital part. Paula had another one shipped right away and made my return shipment a breeze. She stayed in contact with me to the end. I felt like she shared in my joy once the install was complete! The hitch is super adjustable for optimal placement in the bed and height of the trailer. Make a few quick measurements and it just goes together quickly. Love the dual jaw release lever. Our last 5th wheel hitch had the standard pull to release lever and it was often very difficult to operate. This lever style is a game changer. Overall, I couldn't be more pleased with the product and customer service!

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I installed this system in my classic square body Silverado after installing the Turnover Ball BK1400 gooseneck hitch. Both work great together and this companion installed beautifully. I tow a 40’ Cougar camper with it.

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Extremely easy install. You will need a torque wrench that’ll go up to 110 ft/lbs. glad I did my research and went with the B&w gooseneck hitch in anticipation of getting this 5th wheel companion hitch at a later time.

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Fast shipping and the box was in perfect condition. I appreciate the amazing customer service. They were friendly and had a good attitude when I called with questions. I look forward to shopping with them in the future. The shipping company called ahead of time and scheduled the delivery because it was such a large item they were friendly and was within their timeframe. Thank you etrailer.com I appreciate it.

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This review is for the Demco Autoslide 21k and accompanying OEM rail adaptor I purchased for a 2020 Ram 3500 Megacab DRW. I've owned it one year. Overall, the hitch performs as I expected. It is high quality, very sturdy and seems like it will last for a long time. I had it installed at the dealer when I purchased the truck. It automatically slides to protect the cab in my 6'4" bed without any incidents. I tow a standard fifth wheel RV. There are a few negatives, which are not necessarily shortcoming of the product but, instead, necessary evils to allow me to have a short bed. First, it is BIG and BULKY. I believe this is just a function of the mechanism required to allow the autosliding feature and I am not really sure there are any other lighter alternatives with this feature. The fact it requires two parts (OEM Puck Rail and hitch), make it even more bulky. It takes up almost the entire bed and prevents most auxillary tank / tool box combos from fitting. Even standard size storage bins will not fit in my bed. I would prefer if they had a custom OEM all-in-one hitch for my truck like they do for the Ford. It adds significant weight, which decreases carrying capacity, which can be at a premium in hauling a heavy fifth wheel. I've never even tried to take it out of the bed due to the weight and difficulty. I also am not very happy with the adjustable catch plate design. It requires significant manipulation loosening and tightening 8 nuts when hitching and unhitching. This requires a step ladder to reach the nuts. I also found out after the fact that it does not come with the right size catch plate attachments for my hitch and I had to purchase a separate part, which added unexpected expense and delayed my taking the RV on its first trip. Overall, I am satisfied with the hitch.

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This is a quality piece of equipment. I can't wait to use it. The installation directions were complete and easy to follow. Looks fantastic.

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This product gets a three based on shipping condition only. etrailer customer service and shipping time was excellent as usual. The shipment arrived 2 days after the order was placed, as promised. However, as others have noted, the product packing is poor. The boxes arrived with significant damage resulting in cosmetic damage to several parts. I haven't put the hitch to use yet but I am assuming it will work correctly. I will leave a followup after I use it.

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The hitch arrived nicely packed in two boxes. Very easy to assemble and install on my existing bed rails. I took the RV out for a first run with the hitch, and it performed as advertised. It was a no fuss transaction and the hitch arrived on-time!

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This was the best solution for my Dodge RAM 2500 towing my Alliance 340RL 38' 5th Wheel. My son helped me install the rails under the bed and now it is very easy to remove the hitch when I am not using it. It is very strong and I highly recommend this for anyone with a short bed truck.

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When you use google chrome it does not move you to the next page to custom fit. So it just tells you your truck shows you the product and I order 6k worth of items without putting in the custom specs that you don't know to hit. Somehow with the info I put in my two other products work but this one doesn't and I have to pay for shipping to this to fix it. Wish if you ordered 6k worth of Items they would be a little more understanding that their site does not walk you what needs to be done and help you fix the problem without charging you more. Prep and Puck systems are two different things now I know.