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Bilstein 25-305364 Suspension Shock Absorber - Front Right
Bilstein B8 8100 (Bypass) Shock Absorber Overview
The Bilstein B8 8100 (Bypass) suspension shock absorber, part number 25-305364, is engineered for drivers seeking precise control over their vehicle's damping characteristics. Designed with a monotube internal structure and a bypass body, this shock absorber offers adjustable compression and rebound settings to tailor ride quality and handling.
- Double adjustable damping: compression and rebound
- Bypass body design (non-coilover)
- 60mm internal body diameter
- Monotube internal design for consistent performance
- Reservoir included for improved heat dissipation
- Zinc plated finish for corrosion resistance
- Eyelet mounts (12.8mm) on both upper and lower ends
- Collapsed length: 18.11 inches (460 mm)
- Extended length: 29.13 inches (740 mm)
Detailed Features and Design
The Bilstein B8 8100 (Bypass) shock absorber features a monotube design that enhances heat dissipation and maintains consistent damping performance under demanding conditions. Its bypass body allows for fine-tuning of both compression and rebound damping independently, providing drivers with the ability to customize suspension response based on driving style or terrain. The 60mm internal diameter ensures robust construction, while the zinc plated finish offers protection against corrosion. Eyelet mounts measuring 12.8mm on both ends facilitate secure attachment to compatible suspension setups.
About the B8 8100 (Bypass) Product Line
The B8 8100 (Bypass) series from Bilstein is designed for applications requiring adjustable damping without coilover integration. This line focuses on delivering precise suspension tuning through bypass technology, which separates compression and rebound circuits for enhanced control. The inclusion of a remote reservoir improves fluid capacity and heat management, making these shocks suitable for performance-oriented vehicles and off-road use where suspension demands vary.
Applications and Problem Solving
- Improves vehicle handling and stability on uneven terrain
- Reduces body roll and enhances cornering response
- Allows customization of ride comfort and performance
- Addresses shock fade during extended or aggressive driving
- Replaces worn or damaged factory shocks for restored suspension function
Installation Notes and Tips
Ensure compatibility with your vehicle’s suspension system by verifying eyelet mount dimensions and shock length requirements. The 12.8mm eyelet mounts on both ends require appropriate hardware for secure installation. Adjust damping settings incrementally to find the optimal balance between comfort and control. Professional installation is recommended to maintain suspension geometry and safety.
Quality Assurance and Warranty
Bilstein shock absorbers, including part number 25-305364, are manufactured to meet strict quality standards with durable materials and precision engineering. The zinc plated finish provides corrosion resistance for extended service life. Warranty details should be confirmed with the manufacturer or authorized distributor to ensure coverage terms.
| Brand | Bilstein |
| Part Number | 25-305364 |
| Adjustable Damping | Double adjustable – compression and rebound |
| Body Design | Bypass body (non-coilover) |
| Body Diameter (ID) | 60mm |
| Boot Included | No |
| Collapsed Length (IN) | 18.11 |
| Collapsed Length (MM) | 460.0 |
| Extended Length (IN) | 29.13 |
| Extended Length (MM) | 740.0 |
| Finish | Zinc plated |
| Internal Design | Monotube |
| Lower Mount Type | Eye 12.8mm |
| Reservoir | Yes |
| Series | B8 8100 (bypass) |
| 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.