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AR15.COM
8/23/2026 11:51:50 PM EDT
2018 F350 ext cab long box 4x4 diesel pickup with almost 80K miles on it.
30 K miles towing a 36 ft 12k lb fifth wheel camper.
We downgraded to a 30 ft tow behind and the truck is getting real bouncy.
What shocks do I needed?
All it takes for evil to succeed, is for good people to do nothing. We have been doing nothing long enough. I support Free speech.
8/24/2026 12:03:47 AM EDT
[#1]
Bilstein 5100 for non-adjustable. Some people who tow more might suggest air shocks.
8/24/2026 7:28:41 AM EDT
[#2]
I put Bilstein’s on my truck. They were a little more expensive than a typical brand but made a huge difference in the way the truck handles on the highway. I’d definitely buy them again.
8/24/2026 2:36:18 PM EDT
[Last Edit: Grizz272][Edited] [#3]
Not a air shock fan.
Bilstein will probably be what i get.
All it takes for evil to succeed, is for good people to do nothing. We have been doing nothing long enough. I support Free speech.
8/24/2026 11:04:36 PM EDT
[#4]
I'm towing much lighter at 2250lbs. I just put on Bilsteins all around. It's a no drama ride.
Did my own rears, paid a shop to do the fronts and alignment.
...
9/13/2026 11:38:25 PM EDT
[#5]
Bilstein or KYB. I recently helped a friend put KYBs on his F-250 and he likes them.
RIP Jeff Reed. Tennessee Squire, Ga. Carry member, NRA,Non-puking 72 ounce drinker 2 of 6 Norcal call sign, Forgotten.
9/13/2026 11:55:40 PM EDT
[#6]
Bilsteins or KYB is your best bet. Koni is another one that is pretty good. If you're going to put them on yourself get them from RockAuto. Your local parts stores will empty your pocketbook quite fast.
U.S. Army Retired. 2001 - 2023
9/14/2026 2:00:59 AM EDT
[#7]
I used to like bilstein (4600 vs 5100), though last time I went with Rancho 9100XL adjustable…. night and day better ride quality, on and off road, and handling. The ability to adjust to your vehicle is awesome! Plus, the larger volume helps a lot with washboards.
9/15/2026 11:59:55 AM EDT
[#8]
1. Bilstein
2. Ranch (higher up series')


3. OEM factory

4.....everything else.
9/15/2026 12:42:05 PM EDT
[#9]
I think that is one of the downsides to heavy bumper pull trailers. Have you considered airbags? I have both bilsteins and airbags and if I had to choose one or the other I'd pick airbags. Given, 95% of my towing is gooseneck, so it may not have the same effect
9/15/2026 2:39:02 PM EDT
[#10]
We down graded from a 12k fifth wheel to a 6k bumper tow.
I have installed numerous pairs of airbags and  air shocks and just do not want to deal with those on my personnel vehicle.
I saw a lot of guys towing heavy fifth wheel campers with 3/4 ton pickups and using air bags and air shocks to compensate for the too small of a truck.  not a safe idea.
All it takes for evil to succeed, is for good people to do nothing. We have been doing nothing long enough. I support Free speech.
9/15/2026 3:07:28 PM EDT
[#11]
I like the Bilstein 4600 on my F250. They didn't exactly firm the ride any more, but definitely took out a lot of bounce from the factory shocks.
9/15/2026 3:41:21 PM EDT
[Last Edit: wildearp][Edited] [#12]
Quote History
Originally Posted By Diamond2J:
I think that is one of the downsides to heavy bumper pull trailers. Have you considered airbags? I have both bilsteins and airbags and if I had to choose one or the other I'd pick airbags. Given, 95% of my towing is gooseneck, so it may not have the same effect
View Quote
Helper bags are great, cheap too, if you DIY.  

I like Bilsteins too, they are OEM on some trucks.  

Are you using a load distributing hitch?  That makes a huge difference.  It isn't so much for the tongue weight, but for what the tongue weight does when you hit a dip or bump.
Preferred pronoun: MARINE
9/17/2026 8:09:35 AM EDT
[#13]
I went with Fox 2.0s on mine and very happy, fronts, rears and double steering stabilizer.
9/17/2026 8:19:28 AM EDT
[Last Edit: BuddyChryst][Edited] [#14]
You’re gonna hear Bilstein for US and KYB for Japanese. Fox if you’re trying to be sporty.
Yesterday 7:58:15 PM EDT
[#15]
Loving the Bilstein 5100s currently on my 03 Ram 2500 CCLB. They’ve been great on everything I put them on.
Today 9:07:40 AM EDT
[Last Edit: RhinelandArms][Edited] [#16]
Quote History
Originally Posted By GUN2:
I used to like bilstein (4600 vs 5100), though last time I went with Rancho 9100XL adjustable…. night and day better ride quality, on and off road, and handling. The ability to adjust to your vehicle is awesome! Plus, the larger volume helps a lot with washboards.
View Quote


Thats good to know.  

I dont have the big trucks like you all do, but love my Expeditions and there are only 3 options for those, KYB, Bilestein and Rancho. I would not try anything else.

I want to try to the Rancho adjustable as the factory were never great on this particular Expi, and were most likley from KYB.

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