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Bilstein 25-329964 Suspension Shock Absorber - Front Left
Bilstein B8 5160 Suspension Shock Absorber Overview
The Bilstein B8 5160 shock absorber (part number 25-329964) is engineered for light trucks requiring durable and reliable suspension components. Designed with a monotube internal structure and a smooth body, this shock absorber offers consistent performance without adjustable damping.
- Non-adjustable damping for consistent ride quality
- Monotube internal design for efficient heat dissipation
- Billet reservoir clamp included for secure reservoir mounting
- Zinc plated finish to resist corrosion
- Eye-type upper and lower mounts (12.8mm) for precise fitment
- Stroke length of 11.94 inches (303.3 mm) for extended travel
- Compatible with light truck suspension systems
Detailed Product Features and Specifications
The Bilstein B8 5160 series is tailored for light trucks and off-road vehicles that demand enhanced suspension travel and durability. This shock absorber features a monotube design with a 46mm piston diameter and a 14mm shaft diameter, providing stable damping performance under various driving conditions. The smooth body design is non-coilover, making it suitable for applications where coil springs are separate. The included billet reservoir clamp ensures the remote reservoir is securely mounted, improving heat management and shock longevity. With a collapsed length of 17.56 inches (446 mm) and an extended length of 29.38 inches (746.2 mm), this shock absorber offers a stroke length of nearly 12 inches, ideal for vehicles requiring increased suspension articulation.
About the Bilstein B8 5160 Product Line
The B8 5160 series from Bilstein is specifically developed for light trucks and SUVs that need enhanced suspension travel and improved off-road capability. This product line incorporates monotube technology with remote reservoirs to maintain consistent damping performance during extended use. The B8 5160 shocks are designed to work with factory or aftermarket springs, providing a balance between ride comfort and handling stability.
Common Applications and Problem Solving
- Improves suspension travel for off-road and heavy-duty use
- Reduces shock fade during prolonged driving or rough terrain
- Enhances vehicle stability and control on uneven surfaces
- Replaces worn or damaged factory shocks for better performance
- Addresses issues with inconsistent damping and poor ride quality
Installation Notes and Tips
Ensure compatibility with your specific light truck make and model before installation. The eye-type mounts (12.8mm) require proper alignment during installation to avoid premature wear. The included billet reservoir clamp should be securely fastened to prevent movement of the remote reservoir. Since this shock absorber is non-adjustable, no damping tuning is necessary. Professional installation is recommended to maintain suspension geometry and safety.
Quality Assurance and Warranty
Bilstein shock absorbers, including the B8 5160 series, are manufactured to meet strict quality standards with durable materials and corrosion-resistant finishes. The zinc plated finish helps protect against environmental damage. While specific warranty details for part number 25-329964 should be confirmed with the manufacturer or distributor, Bilstein typically offers limited warranties covering defects in materials and workmanship.
| Brand | Bilstein |
| Part Number | 25-329964 |
| Adjustable Damping | Non-adjustable |
| Billet Reservoir Clamp Included | Yes |
| Body Design | Smooth body (non-coilover) |
| Boot Included | No |
| Collapsed Length (IN) | 17.56 |
| Collapsed Length (MM) | 446.0 |
| Extended Length (IN) | 29.38 |
| Extended Length (MM) | 746.2 |
| Finish | Zinc plated |
| Internal Design | Monotube |
| Lower Mount Type | Eye 12.8mm |
| PartType | Shocks / struts |
| Piston Diameter | 46mm |
| Reservoir | Yes |
| Segment | Light truck |
| Series | B8 5160 |
| Shaft Diameter | 14mm |
| Spring Seat Included | No |
| Stroke/Travel Length (IN) | 11.94 |
| Stroke/Travel Length (mm) | 303.3 |
| Title | Bilstein shock absorbers |
| Upper Mount Type | Eye 12.8mm |
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* 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.