2015-2026 Ford F150 4WD Bilstein 5100 Rear Shock - for 4" Lift - (Single) | 33-318967

2015-2026 F150 4WD Bilstein 5100 Rear Shock - for 4' Lift - (Single)

SKU 33-318967

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F150 4WD Bilstein 5100 Rear Shock Features:

Designed for trucks with 4" rear lift
Great for towing and hauling loads
Improves ride comfort over basic lift shocks
Handles larger tires with ease
Built for daily and off-road use
Direct fit for most lift kits
Reduces bounce from taller suspension
Sold individually

Built to Match a Lifted Truck, Not Fight It

Once you step up to a 4 inch lift on your F150, the stock-style rear shocks or the basic ones included in many kits tend to show their limits pretty quickly. That extra height, along with larger tires and added weight, changes how the truck moves and how the suspension needs to respond. The Bilstein 5100 rear shock is designed specifically to work with that kind of setup, so instead of just getting by, your suspension actually feels controlled again. It is valved and sized to accommodate the added travel that comes with a 4 inch rear lift, which is common on trucks running full suspension lift kits or builds aimed at clearing 33 to 35 inch tires. The result is a rear end that stays more settled over bumps and doesn’t feel like it is bouncing around every time the road gets rough.

Confidence on the Road and Capability Off It

Behind the wheel, the difference shows up in a way that makes the truck easier to live with day to day. On pavement, it helps calm down the rear when you hit expansion joints, dips, or uneven surfaces, especially with bigger tires that tend to amplify those movements. Off-road or on dirt roads, the suspension works more naturally through its travel instead of feeling harsh or unpredictable. This is the kind of upgrade that makes sense for anyone running a full lift kit, whether the truck is used for weekend trails, hauling gear, or just building a more aggressive daily driver. Installation is straightforward since it bolts into place of your current rear shocks, so you are not reworking the whole suspension, just upgrading a weak point. If your truck sits higher than stock and you want it to drive like it was built that way from the start, this is one of those parts that brings everything together.

Vehicle Fitment: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Ford F150 4WD

Will not fit F150s with CCD: This shock will not fit or function on F150s with Ford's optional Continuous Control Damping (CCD) system. Please verify whether or not your F150 is equipped with CCD before ordering.

For 4" Rear Lifts Only: This shock will only fit F150s equipped with a 4" lift kit, and will not fit trucks at stock ride heights.

Sold Individually: This Bilstein 5100 shock is sold individually and a quantity of two is required for a complete installation.

Install Guide

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I am putting on 3” block and Road master active suspension which typically gives me 1.25” more lift, would this work or should I step up to the 6” version?

Asked by: Andrew - 3/1/2024

That combination puts you in between both options, but going with this shock is going to be your best bet. The 6" lift shock would most likely be too long and would cause it to be too compressed.

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Answer provided by: Joel Galaz (3/1/2024)

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Will this fit the tremors with a factory blocks?

Asked by: Aaron - 3/30/2023

We can't guarantee fitment on the Tremors. Even if we could, this shock would likely be a downgrade over your Tremor's current rear shock.

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Answer provided by: Jason@Stage3 (4/3/2023)

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I see that these come with your Ready Lift 7" lift kit, but in a previous question Stage3 basically stated to get shocks for a 6" lift. Just a little confused if these will work with a 6" of not.

Asked by: Jeff - 4/5/2021

Whether this shock will work depends entirely on what rear lift and rear block your kit is using. Most 6" lift kits use a 5" rear block, which is too tall for this shock. Most 4" lift kits use either a stacked 2" block or 4" rear block, and this shock will work fine. Some 6" lifts (or even ReadyLift's 7" kit) use a 4" block, and this shock would work in those cases. You would need to know what size rear block/rear lift configuration your specific kit uses. If you're not sure, give us a call directly at 623-434-5277 or email us at [email protected].

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Answer provided by: Jason@Stage3 (4/5/2021)

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Will these fit a 2017 F150 with a 4" Fabtech lift

Asked by: Orange R - 10/17/2019

Yep. They will work with the 4" Fabtech Kit's 2.25" rear block.

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Answer provided by: Jason@Stage3 (10/18/2019)

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What is the bilstien part number for the front with a 4 inch lift?

Asked by: Monroe - 7/18/2019

Unfortunately, Bilstein does not currently have a front 5100/5125 series part number for the F150s as of yet.

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Answer provided by: Jason@Stage3 (7/22/2019)

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I have the RC 4" lift and a 1.5" add a leaf. Is this the shock I need?

Asked by: Brian - 2/10/2019

If you're using Rough Country's rear block with a 1.5" add-a-leaf, you'd be better off with a shock option meant for 6" lift kits.

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Answer provided by: Jason@Stage3 (2/11/2019)

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Please could you tell me the extended and compressed measure?

Asked by: Angel Vazquez - 1/15/2019

According to Bilstein, this shock has a collapsed length of 17.91" and an extended length of 29.70".

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Answer provided by: Jason@Stage3 (1/16/2019)

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Does the purchase price include 1 or two shocks?

Asked by: paul - 9/24/2018

This price and part number is for a single shock, and a quantity of two will be required for most applications.

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Answer provided by: Jason@Stage3 (9/25/2018)

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My truck is a 4x4 with the factory rear block. I did a RC 4" lift but the rear was only lifted 2" ontop of the factory block. Would these work?

Asked by: Jerry - 7/25/2018

Yep. This shock will work with lift kits that come with either a 4" rear block or 2" stacked blocks.

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Answer provided by: Jason@Stage3 (7/26/2018)

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WARNING: Cancer and Reproductive Harm

This product can expose you to chemicals including those known to the State of California to cause cancer and birth defects or other reproductive harm.

For more information, visit [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov).

2015-2026 Ford F150 4WD Bilstein 5100 Rear Shock - for 4" Lift - (Single) | 33-318967

Built to Match a Lifted Truck, Not Fight It

Confidence on the Road and Capability Off It

I am putting on 3” block and Road master active suspension which typically gives me 1.25” more lift, would this work or should I step up to the 6” version?

Will this fit the tremors with a factory blocks?

I see that these come with your Ready Lift 7" lift kit, but in a previous question Stage3 basically stated to get shocks for a 6" lift. Just a little confused if these will work with a 6" of not.

Will these fit a 2017 F150 with a 4" Fabtech lift

What is the bilstien part number for the front with a 4 inch lift?

I have the RC 4" lift and a 1.5" add a leaf. Is this the shock I need?

Please could you tell me the extended and compressed measure?

Does the purchase price include 1 or two shocks?

My truck is a 4x4 with the factory rear block. I did a RC 4" lift but the rear was only lifted 2" ontop of the factory block. Would these work?

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