Bilstein B8 5125 Custom Monotube Shock – 10.28in Travel

Build a Custom Suspension Around Verified Shock Dimensions

Bilstein 33-230351 is a universal B8 5125 high-pressure monotube shock for custom suspension applications. It has 10.28 inches of travel, a stem upper mount, a 5/8-inch eye lower mount, medium linear valving, and no year-make-model application assignment.

Key Features

• 46mm monotube design with self-adjusting deflective-disc valving
• 10.28-inch travel for dimension-matched custom suspension builds
• Stem upper mount and 5/8-inch eye lower mount
• Medium linear valving
• Zinc-plated smooth body with black bellows boot
• No direct-fit vehicle application; compressed length, extended length, mounts, clearance, and valving must all be confirmed

Fitment

Specifications

What’s Included

• One B8 5125 shock absorber
• 5/8-inch hourglass bushing and supplied mounting hardware

About Bilstein

Bilstein develops OE and aftermarket monotube suspension systems using application-specific testing, gas-pressure technology, and controlled manufacturing standards.

Related Parts

• No internal recommendation is linked because a compatible companion part must be verified for the exact vehicle, suspension option, side, and ride height before purchase.

FAQ

What is the 33-230351?

It is the Bilstein B8 5125 shock absorbers described on this page, supplied in the verified configuration and quantity shown above.

Is this sold as a pair or individually?

One B8 5125 shock absorber; 5/8-inch hourglass bushing and supplied mounting hardware. The included-components section controls the package quantity.

Is the damping adjustable?

Non-adjustable

Will this fit every trim of the listed vehicle?

No. Confirm the year, model, suspension option, drivetrain, engine, ride height, and position notes before ordering.

Does installation require an alignment?

An alignment is recommended whenever suspension geometry or ride height is changed, and after strut or spring service when specified by the vehicle manufacturer.

Can factory hardware be reused?

Reuse hardware only when the Bilstein and vehicle service instructions allow it and the hardware passes inspection. Replace one-time-use or damaged fasteners.

What warranty applies?

Bilstein limited 90-day warranty

What should be checked before installation?

Compare the part number, side, mount style, suspension option, ride height, and included components with the vehicle and current Bilstein application data.

Installation Instructions

1. Confirm the vehicle, suspension option, ride height, side, and mount configuration before installing the shock or spring set.
2. Support the vehicle safely and follow the factory service procedure for spring or damper removal.
3. Inspect mounts, bushings, fasteners, and adjacent suspension components; replace worn or one-time-use hardware as required.
4. Install the component in the specified orientation and route any reservoir hose away from heat, abrasion, and moving parts.
5. Torque all fasteners at the suspension position specified by the vehicle and Bilstein instructions.
6. Set the vehicle on the ground, verify clearance and ride height, road-test carefully, and perform an alignment when required.

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