Suspension and Components› Shocks, Struts, Coil-Overs and Components

Bilstein

B8 5100 Monotube Gas Shock Absorber

$246.00

SKU: 24-186872 / 24-146715

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Bilstein B8 5100 shock absorber is a monotube gas shock designed for lifted vehicles. It features a 46mm digressive piston for improved on- and off-road handling. The monotube design facilitates rapid heat transfer to reduce shock fade. German engineering and US manufacturing ensure performance and longevity.
Show original supplier description
The Bilstein B8 5100 series shock absorber is engineered with a monotube design and a 46mm digressive piston to enhance road handling characteristics for both on- and off-road driving. This design allows for efficient heat transfer from the shock oil to the shock body, dissipating heat to prevent shock fade under demanding conditions. Combining German engineering with US manufacturing, these shocks are built for performance and longevity, with user feedback suggesting service life upwards of 100,000 miles. This series is designed to be more compliant over rough terrain and off-road obstacles compared to the Bilstein 4600 series. The B8 5100 is ideal for vehicles with larger tires, lifted suspensions, or those that experience increased heavy-duty loads, towing, and off-road terrain. It effectively reduces body roll and nose dive while providing a more comfortable ride over bumps and holes, making it suitable for daily driven vehicles that also see off-road use. The shock absorber features a durable zinc-plated finish for corrosion and rust resistance in harsh environments. It includes necessary washers, bushings, reservoir clamps, and nuts for installation, utilizing factory shock mounting bolts. Note that mounting plates are sold separately. For factory-spec vehicles, the Bilstein 4600 series is recommended due to its more appropriate valving for daily driving and pavement environments.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandBilstein
Part Number24-186872 / 24-146715
CategorySuspension and Components
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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