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Your cart is empty.Bilstein 5100 shocks utilize a monotube design, with a 46mm digressive piston, to increase road handling characteristics both on and off-road. The single tube body allows for rapid heat transfer between the shock oil to the shock body, and then dissipated further to reduce shock fade. German engineering combined with US manufacturing ensures optimum performance and longevity for upwards of 100k miles (real customer feedback!). The 5100 series is more compliant in tougher situations and off-road terrain compared to the 4600 series. Factory spec vehicles should use the 4600 series shocks as the valving is more appropriate for daily driven vehicles and pavement environments.
RLW
Reviewed in the United States on February 7, 2025
Everything shown in the picture and listing is not what you get. CS was no help. Hardware was absent
Michael K. Russon
Reviewed in the United States on February 2, 2025
Being the owner of a Silverado 2500 HD, I upgraded the tires and wheels, and did a leveling kit. The shocks that came with the kit were "ok". I had researched Bilstein 5100 series and made the decision to buy all 4. What a difference! Install took me about an hour, and the first test drive was such an improvement. No more sloppy bounce and the ride was back to normal. I run 35x12.50-18 tires so the unsprung weight is significant. They are no problem for the 5100's. Just get some and forget the others!
Bryan
Reviewed in the United States on June 18, 2024
I put them on a 2013 chevy silverado 2500hd. It has 228k and sacked out tires. It rides better then it did stock when I got it with only 10k miles. I can't wait till my new rubber gets in, gonna be a super smooth ride. Keep in mind a 3/4 ton or 1 ton ain't gonna have the ride of a half ton no matter what! But it makes it so much better! Thank u bilstein! Next time I'm gonna go with the 5160s!
GRS
Reviewed in the United States on December 15, 2024
Used these to replace Ranchos on my 2019 Chevy 2500HD. Great ride.
Stacy
Reviewed in the United States on October 13, 2024
Perfect fit great product
DesertScottAZ
Reviewed in the United States on May 11, 2023
I have a 2018 Denali HD 3500 SRW short bed with a 60 gallon aux tank in the bed, airlift bags in the back... That being said, I have a 24' pontoon boat, a 24' enclosed trailer for my RZR/ATV, an open deck car hauler, 30' bumper pull toy hauler, and an equipment trailer. I tow a lot. My truck pretty much always has a trailer on it or a couple thousand lbs payload of fuel and stuff/tools. The truck came with the Rancho deals and has ~70k miles. I proactively swapped these in because the old shocks were irritating and ride was fading.So install was a breeze. You need a pair of 21mm to take all of the factory stuff off and a 19mm or 3/4" to put the new fronts on. Install was for me, very very straightforward. Everything was very easy to access. The old shocks had ZERO signs of not being any good. They pressed out when unbolted, no leaks, no holes in the body, etc.Once they were installed, there seemed to be a bit more initial jounce/harshness, but it's just a more precise road feel which was nice in hindsight. The ride is more consistent and precise than the old shocks. These trucks just do not have much up-travel in the back. Speed bumps can find the bump stops pretty easily in the stock Rancho configuration, but the new setup has a much more progressive valving, which alleviated this issue for me. As the suspension compresses, there is more resistive force applied. The old shocks feel like there's a set valve rate and it just does it's consistent thing. These ones apply more valve as they stroke through the motion. This feeling is VERY comforting while towing the boat because the tongue tries to fly around. The new shocks bring the boat trailer under control where bouncing turns used to be pretty wild. I've not put the heavy (10k+) trailers on yet so no feedback on those, but those are usually tamed not by shocks, but more around the bags. The big trailer runs 40-60PSI in the bags which takes away all of the bounce. I will update the review if the heavy trailers change anything.All in all in summary, these shocks might not be worth the extra $ over anything else, but they're really good. There's no stunning-remarkable difference from the factory Rancho shocks I took off, but they seem more stable, better light-feel, better jounce control, better compression progressive control.
-RHINO-
Reviewed in the United States on October 3, 2023
Great shocks over the Ranchos. All but one still had some rebound in them and my truck only has 46k on it. Was able to install them without lifting the truck with a jack or taking the front wheels off. You can get to the fronts by turning the wheel all the way to one side. The wheel well liner is a pain to deal with if you aren't willing to cut it. You can barely squeeze a ratchet and socket in there pressed up against the liner, but you can get them started and crank them down with a open end box wrench. I used a torque wrench on the backs and bottom bolts no problem.Be careful of the Bilstein nuts as I dropped one off the stud when screwing one on the front shocks and it was lost. Make sure to use both hands and tighten slowly so it grabs the thread. BoostProjects was very helpful in getting me a replacement pack at no cost. They also were very helpful with providing all tracking numbers very fast. Thank you!
Eric
Reviewed in the United States on July 23, 2021
Put these on a 2015 Silverado 2500HD. These really are good. They aren’t going to turn your truck into a 1500 (like some other people had mentioned) but they do really help for a washboard and smaller bumps. Your truck still has the heavy duty suspension, and no matter what, you’re going to feel it on large speed bumps. I have had several sets of Bilstein shocks and I absolutely love them; they are totally worth the money. These were a great price but if they weren’t, I am sure I would have been more than happy with some Bilstein 4600s.I wouldn’t hesitate on buying these. It’s a substantial ride improvement for a relatively low price. Bilstein’s also hold up way better( in my experience) than any other shocks/struts—specifically, Fox or Rancho. I honestly feel like those other big brands are largely built off marketing/branding and the for Fox the Ford Raptor’s performance seemed to convince everyone it was the best thing since sliced bread. A lot of people don’t know that fox shocks have to be rebuilt very frequently, even when you’re not doing having off routing and I’ve heard a lot of people super disappointing. Go with Bilstein, YOU WIll NOT BE DISAPPOINTED. You’ll get way better shocks for less money(probably a lot less).
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