Bilstein B8 5165 Shock Absorber

 

The Bilstein B8 5165 Shock Absorber gives customers a focused suspension upgrade for custom off-road trucks and SUVs. It is built for customers who want remote-reservoir performance, custom suspension tuning, and greater control on rough terrain without turning the vehicle into a harsh or complicated build. The result is a product that supports confidence behind the wheel while keeping the suspension purpose clear and easy to understand. Its design helps the vehicle feel more composed when road terrain, weight, and driving demands change.

The zinc-plated remote-reservoir layout gives custom suspension builders a purposeful off-road look with added oil capacity for demanding use. Instead of feeling like a generic replacement part, the shock is meant to support the way the vehicle is actually used. Customers get a cleaner suspension solution that balances ride control, visual quality, and practical service needs. The design fits naturally into builds where dependable damping matters as much as the finished look.

These high gas pressure monotube shocks are sold by length and valving range, with 5/8 inch eyelets used across most configurations. That technology helps the damper control movement with more consistency than a basic twin-tube replacement. The benefit is easier confidence during steering, braking, cornering, and uneven-road recovery. Customers who care about how a vehicle settles after bumps or load changes will notice the value of a purpose-built monotube shock.

This is a custom-application shock range rather than a single vehicle-specific replacement, so customers should match length, mounting style, and travel to the vehicle. Fitment is matched to the selected vehicle or suspension setup, so the details that matter are the mounting style, length range, and application requirements. Collapsed length, extended length, stroke, and upper mount style vary by selected configuration. Customers should match the selected configuration to the vehicle before installation so the shock supports the intended ride height, travel, and suspension geometry.

In daily driving, Bilstein B8 5165 Shock Absorber helps the vehicle feel more controlled without removing the practical character that made the platform useful in the first place. For work, travel, performance driving, or trail use, stable damping can make the vehicle feel less unsettled when the road changes quickly. That confidence matters when customers are carrying passengers, managing cargo, or asking the vehicle to perform beyond an ordinary commute.

Whether customers are upgrading for custom suspension builds, off-road travel, larger tire packages, and long-distance trail use, Bilstein B8 5165 Shock Absorber delivers cooler, more controlled damping for custom off-road setups. Now Available at LEER!

 

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Features & Specifications

Product Type: Suspension Shock Absorber

Brand: Bilstein

Series: B8 5165

Vehicle Fitment: Universal or custom application

Finish: Zinc Plated

Internal Design: Monotube

Piston Diameter: 46mm

Reservoir: Yes

Body Design: Smooth Body (Non-Coilover)

Upper Mount Type: Eye 5/8in, and Stem

Lower Mount Type: Eye 5/8in

Travel Length: 9.39, 8.76, 8.37, 11.26, 13.07, 14.11, 7.42, and 6.24 inches

Functionality:

• Helps improve suspension control for custom off-road trucks and SUVs.
• Supports more confident body control when the vehicle transitions over uneven terrain.
• Helps manage repeated suspension movement during daily driving, travel, work, or trail use.
• Pairs confirmed Bilstein damping design with application-specific fitment details.
• Gives customers a cleaner suspension upgrade path than a generic replacement shock.
• Supports confidence during braking, steering, cornering, and recovery after bumps.
• Remote-reservoir design helps increase oil capacity and cooling potential during demanding use.

 

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Available Options

The Bilstein B8 5165 Shock Absorber is available in multiple configurations:

• Short-travel configurations -- compact shock lengths for custom builds with tighter space, including travel values down to 6.24 inches.
• Mid-travel configurations -- balanced lengths for custom truck and SUV suspension layouts that need more movement without the longest package size.
• Long-travel configurations -- extended shock lengths with travel values up to 14.11 inches for builds that need more suspension movement.
• Eye and stem upper mount layouts -- selected configurations use 5/8 inch eye mounting while one configuration uses a stem upper mount.

Choose the configuration that matches the vehicle application, mounting layout, and required shock length, or choose a shorter or longer option when the suspension setup calls for a different range of travel.

 

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Why Choose

This product is ideal for customers who want remote-reservoir performance, custom suspension tuning, and greater control on rough terrain.

• Helps the vehicle feel more planted when road quality changes quickly.
• Gives customers Bilstein monotube response in a configuration matched to the selected application.
• Supports a more confident ride without relying on vague, one-size-fits-all suspension claims.
• Adds a product-specific finish and construction style that complements the suspension build.
• Works well for customers who want control, comfort, and durability to feel balanced.
• Keeps the upgrade focused on real damping performance instead of cosmetic changes alone.
• Adds reservoir capacity for customers who drive through heat, weight, and repeated rough-road movement.

 

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What's Included

• Shock absorber assembly
• Remote reservoir attached to the shock assembly
• Mounting hardware included for the matched configuration
• Bushings or eyelet hardware details vary by selected configuration

Note: Confirm included components before installation.

 

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Installation Notes

• Confirm vehicle application, ride height, suspension position, and mount style before installation.
• For custom applications, verify collapsed length, extended length, travel, and mounting style before installation.
• Route and secure the remote reservoir and hose so suspension movement does not create contact or binding.

Buyer is responsible for use in accordance with applicable vehicle, road, off-road, towing, racing, and local laws.

 

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Warranty Information

Warranty coverage depends on the applicable Bilstein warranty terms for the selected product and the way the product is installed and used. Proof of purchase may be required for warranty claims.

Coverage typically excludes improper installation, misuse, modifications, overloading, tampering, electrical issues, impact damage outside warranty terms, or non-compliant use. Inspect all related suspension components during installation to help protect ride quality and product life.