5th Gen Consolidated Rear Bump Stop Thread

teotwaki

teotwaki

Senior Member
Please respond with brands and links and I will add them to this list, similar to my thread on skid plates.

I am especially interested in solutions for lifted vehicles, not just replacements for the OEM parts. Especially spacers/adaptors that retain the OEM rubber bumpstop. Similar to Metaltech's

ChaosFab
Weld on Mounts for King's hydraulic bumpstops
Weld-On Rear Bump Stop Mounts | 5TH GEN TOYOTA 4RUNNER 2010-2021 | TOTAL CHAOS FABRICATION

Durobumps
5th Gen 4Runner Rear Bump Stops (4.25") (2010+) - DuroBumps - Toyota Bump Stops for 4Runner, Tacoma, Tundra, FJ Cruiser

Icon (Demello Offroad)
2003 - Current Toyota 4Runner Rear Hydraulic Air Bumpstop System - Demello Offroad

Metaltech 3" bump stop spacers, retain OEM rubber bumpstops
FJ Cruiser/4Runner Steel Rear Bump Stop Drops

King
BUMP STOPS << King Off-Road Racing Shocks, Bypass Shocks, Adjustable Coil Over Shocks, Air Shocks, UTV Shocks, Jeep Shocks, Pre-Runner Shocks, Adjustable Shocks, and Bump Stops

Timbren
ABSTORSEQ - ACTIVE OFF ROAD BUMP STOPS |

Toytec 2" bump stop spacers, retain OEM rubber bumpstops
https://www.toyteclifts.com/43006-ttl-rear-aluminum-2-bump-stop-kit-07-fj-03-4runner-toytec.html


Skid Plate Thread:
Consolidated 5th Gen Skid Plate Info Thread
 
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comtn4x4 said:
A quick search turned up Energy and Prothane. I know King makes hydro bump stops too although I'm not sure what item number.

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Thanks! I've added the King product to the list. The other two seem to be generic parts that you have to adapt to the 4Runner.

I am very interested in solutions for lifted vehicles, especially spacers/adaptors that retain the OEM rubber bumpstop. Similar to Metaltech's
 
Questions for all lifted 4Runner owners that read this thread:

What did you do for your rear axle bump stops: leave them stock or modified them?

How were they modified?
 
Using the Forum's search function I found very little but using external search engines gave me some hits and I found that Toytec has reasonably priced bump stop extenders for 2" lifts

43006 - Toytec Rear Aluminum 2" Bump Stop Kit (07+FJ/03+4Runner)

43006_1.jpeg


rokmenbumpdrop.jpg
 
teotwaki said:
Questions for all lifted 4Runner owners that read this thread:

What did you do for your rear axle bump stops: leave them stock or modified them?

How were they modified?
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I’m lifted 3-2 with Dobinsons and I run the Toytec spacers in the rear. When I rotated my tires I saw the marks on the axle tube where I’d hit the bumps a few times. My fronts are stock as with IFS it doesn’t seem needed?

I’ll eventually replace both front and rear with Timbren or Durobumps for a smoother bump when I hit them.
 
I have to say I don't get the idea of spending hundreds of dollars on the various bumpstops that are made to control the last 1" to 4" of the travel of the axle. In reality, hydraulic bumpstops are just additional monotube shock absorbers. Axle travel should be controlled completely by the shock absorbers and springs working together. Bumpstops are to prevent metal to metal contact (such as axle to frame) and avoid damage to the shocks during excessive impacts that overwhelm the suspension.

If a truck's shocks and springs are always bottoming out then the vehicle should be driven slower, have its weight reduced or the suspension replaced with one that can handle the weight and driving style.
 
teotwaki said:
I have to say I don't get the idea of spending hundreds of dollars on the various bumpstops that are made to control the last 1" to 4" of the travel of the axle. In reality, hydraulic bumpstops are just additional monotube shock absorbers. Axle travel should be controlled completely by the shock absorbers and springs working together. Bumpstops are to prevent metal to metal contact (such as axle to frame) and avoid damage to the shocks during excessive impacts that overwhelm the suspension.

If a truck's shocks and springs are always bottoming out then the vehicle should be driven slower, have its weight reduced or the suspension replaced with one that can handle the weight and driving style.
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The hydro bumps only seem viable in a baja racer...and the 4runner definitely isn't one lol. But hey...its not like we all add things that make sense to our 4runners haha
 
SpeedyKevin said:
The hydro bumps only seem viable in a baja racer...and the 4runner definitely isn't one lol. But hey...its not like we all add things that make sense to our 4runners haha
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You are absolutely correct and also amusing! We’ve all made mods and had fun implementing them whether they made sense or not. That’s why the term “disposable income” came about.

Thanks for the reply!
 
teotwaki said:
You are absolutely correct and also amusing! We’ve all made mods and had fun implementing them whether they made sense or not. That’s why the term “disposable income” came about.

Thanks for the reply!
Click to expand...

i'm getting my 4runner back next week. YOLO since i'm a frontline worker.

King Hydrobumps added to my rear. King secondary shocks in the front. Lower Control arm pivots. Total Chaos Lowers. and some other things. Figured i have rear hydrobumps on my raptor, mind as well toss them on my 4runner...
 
Besides bling, what's the benefit of hydraulic over traditional rubber? Considered the King hydros for my rig, but couldn't really find a definitive answer to justify the cost.

Also, what's the maintenance like on hydraulic bumpstops? I'm assuming they need to be rebuilt every so often like every other valved suspension part, but is there a certain schedule?
 
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