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Bilstein 25-291292 Suspension Shock Absorber - Front Right
Bilstein B8 8100 (Bypass) Shock Absorber Overview
The Bilstein B8 8100 (Bypass) shock absorber, part number 25-291292, is engineered for Jeep Wrangler and Wrangler JK models requiring advanced suspension performance. Designed with a bypass body and monotube internal construction, this shock absorber offers precise control over compression and rebound damping.
- Double adjustable compression and rebound damping with click adjuster knob
- Bypass body design (non-coilover)
- Monotube internal design for consistent performance
- Includes remote reservoir for improved heat dissipation
- Collapsed length: 17.20 inches (437.0 mm)
- Extended length: 27.03 inches (686.6 mm)
- 60mm piston diameter and 18mm shaft diameter
- Lower mount type: Eye 12.1mm; Upper mount type: Stem
- Evo grey finish for corrosion resistance
About the B8 8100 (Bypass) Product Line
The B8 8100 (Bypass) series from Bilstein is designed specifically for light trucks and off-road vehicles like the Jeep Wrangler. This line features bypass shock absorbers that allow for double adjustable damping, enabling drivers to fine-tune both compression and rebound settings independently. The bypass body design provides enhanced control over suspension travel without the need for coilover springs, making it suitable for vehicles requiring robust off-road capability and on-road comfort.
Detailed Product Description
This Bilstein shock absorber utilizes a monotube internal design paired with a remote reservoir to maintain consistent damping performance under demanding conditions. The double adjustable compression and rebound settings allow for precise tuning to match various terrains and driving styles. With a piston diameter of 60mm and a shaft diameter of 18mm, the shock absorber delivers reliable handling and stability. The bypass body design ensures smooth suspension articulation without compromising durability. The Evo grey finish adds a layer of corrosion resistance, extending the service life of the shock absorber.
Applications and Problem Solving
- Improves suspension control for Jeep Wrangler and Wrangler JK models
- Reduces body roll and enhances vehicle stability on rough terrain
- Minimizes shock fade during extended off-road use
- Allows customizable damping settings for varied driving conditions
- Addresses suspension wear and tear from heavy-duty use
Installation Notes and Tips
Ensure compatibility with Jeep Wrangler and Wrangler JK models before installation. The shock absorber features an eye lower mount (12.1mm) and stem upper mount for direct fitment. Adjust damping settings using the click adjuster knob after installation to optimize ride quality. Professional installation is recommended to maintain suspension geometry and safety.
Quality Assurance and Warranty
Bilstein shock absorbers are manufactured to meet strict quality standards, ensuring durability and consistent performance. The B8 8100 (Bypass) shock absorber is built with high-grade materials and precision engineering. Please refer to Bilstein's official warranty policy for coverage details.
| Brand | Bilstein |
| Part Number | 25-291292 |
| Position | B8 8100 (Bypass), Front Right |
| Adjustable Damping | Double adjustable compression and rebound with click adjuster kno |
| Body Design | Bypass body (non-coilover) |
| Boot Included | No |
| Collapsed Length (IN) | 17.20 |
| Collapsed Length (MM) | 437.0 |
| Extended Length (IN) | 27.03 |
| Extended Length (MM) | 686.6 |
| Finish | Evo grey |
| Internal Design | Monotube |
| Lower Mount Type | Eye 12.1mm |
| PartType | Shocks / struts |
| Piston Diameter | 60mm |
| Reservoir | Yes |
| Segment | Light truck |
| Series | B8 8100 (bypass) |
| Shaft Diameter | 18mm |
| Spring Seat Included | No |
| Title | Bilstein shock absorbers |
| Upper Mount Type | Stem |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2018 | Jeep | Wrangler JK | Unlimited Sport | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2017 | Jeep | Wrangler | Unlimited Sport | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2016 | Jeep | Wrangler | Unlimited Sport | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2015 | Jeep | Wrangler | Unlimited Sport | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2014 | Jeep | Wrangler | Unlimited Sport | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2013 | Jeep | Wrangler | Unlimited Sport | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2012 | Jeep | Wrangler | Unlimited Sport | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2011 | Jeep | Wrangler | Unlimited Sport | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2010 | Jeep | Wrangler | X | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2009 | Jeep | Wrangler | X | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2008 | Jeep | Wrangler | X | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
| 2007 | Jeep | Wrangler | X | Front Right | Fits Vehicles With 3.5-5" Front Lift; B8 8100 (Bypass) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.