Bilstein
B8 5100

Bilstein 33-318950 Suspension Shock Absorber - Rear

Brand Bilstein 33-318950
Position Rear
Adjustable Damping Non-adjustable
Body Design Smooth body (non-coilover)
Body Diameter (ID) 46mm
Boot Included Black bellows
Collapsed Length (IN) 18.22
Collapsed Length (MM) 462.8
Extended Length (IN) 29.47
Extended Length (MM) 748.5
Finish Zinc plated
Internal Design Monotube
Lower Mount Type Eye 12mm
Reservoir No
Series B8 5100
Title Bilstein shock absorbers
Upper Mount Type Eye 12mm
Product line B8 5100
Fits Ford · 12 vehicles

Direct-fit design. Built for lifted truck and SUV applications with application-specific tuning.

Monotube construction. Delivers consistent, fade-resistant damping for controlled suspension response.

B8 5100 series. Bilstein's application-tuned shock line for improved ride, handling, and comfort.

Cross-references 33318950 for the same application. See all 1.

$133.81Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Suspension Shock Absorbers are typically replaced in pairs, axle by axle.
Order total $133.81
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

Bilstein B8 5100 shock absorber part number 33-318950 is a direct-fit suspension upgrade for lifted Ford F-150 applications. It uses a monotube internal design and application-specific tuning to deliver consistent damping, handling control, and ride comfort.

Key Features

  • Monotube construction for consistent fade-resistant performance.
  • Velocity-sensitive digressive piston reacts to changing road conditions.
  • Non-adjustable damping for straightforward operation.
  • Smooth-body, non-coilover design with zinc-plated finish.
  • Black bellows boot included for added protection.
  • Eye-to-eye 12mm upper and lower mounts.

Detailed Description

The Bilstein B8 5100 line is built for lifted trucks and SUVs that need a direct-fit shock absorber matched to the application. Part number 33-318950 is tuned for specific fitments, including Ford F-150 rear applications, and is engineered to improve ride quality, handling response, and comfort without adding adjustability complexity. The B8 5100 series is a practical choice when you want controlled suspension movement and stable performance from a monotube shock absorber.

This part cross-references Monroe Shocks & Struts (e.g., 33318950) for the same application.

What It Is Used For

  • Reducing excessive bounce after bumps and dips.
  • Improving rear suspension control on lifted setups.
  • Restoring damping performance when original shocks are worn.
  • Supporting more stable handling during everyday driving.
  • Helping maintain comfort on uneven pavement and rough roads.

Installation Notes and Tips

Compatible With 2015-2026 Ford F-150 rear applications listed in the fitment data. One fitment group requires vehicles with a 2-inch rear lift, and the other requires vehicles without continuously controlled damping. Verify mount style, lift height, and damping system before installation. Part number 33-318950 should be matched to the exact application notes for proper fitment.

Quality Assurance

Bilstein B8 5100 shocks are application-tuned for specific vehicle fitments and built with a monotube internal design for consistent performance.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelDrive TypePositionNotes
2026FordF-150XLT4WDRearWithout Continuously Controlled Damping; B8 5100
2025FordF-150XLT4WDRearWithout Continuously Controlled Damping; B8 5100
2024FordF-150XLT4WDRearWithout Continuously Controlled Damping; B8 5100
2023FordF-150XLT4WDRearWithout Continuously Controlled Damping; B8 5100
2022FordF-150XLT4WDRearWithout Continuously Controlled Damping; B8 5100
2021FordF-150XLT4WDRearWithout Continuously Controlled Damping; B8 5100
2020FordF-150XLT4WDRearFits Vehicles With 2" Rear Lift; B8 5100
2019FordF-150XLT4WDRearFits Vehicles With 2" Rear Lift; B8 5100
2018FordF-150XLT4WDRearFits Vehicles With 2" Rear Lift; B8 5100
2017FordF-150XLT4WDRearFits Vehicles With 2" Rear Lift; B8 5100
2016FordF-150XLT4WDRearFits Vehicles With 2" Rear Lift; B8 5100
2015FordF-150XLT4WDRearFits Vehicles With 2" Rear Lift; B8 5100
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
33318950