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Bilstein 33-305288 Suspension Shock Absorber - Rear
Bilstein B8 5100 Shock Absorber Overview
The Bilstein B8 5100 shock absorber (part number 33-305288) is engineered for drivers seeking reliable suspension performance. Designed with a smooth body and monotube internal design, this shock absorber offers consistent damping without adjustability, suitable for various truck and SUV applications.
- Non-adjustable damping for consistent ride quality
- 46mm smooth body design (non-coilover)
- Black bellows boot included for shaft protection
- Monotube internal design for improved heat dissipation
- Zinc plated finish for corrosion resistance
- Eye-type upper and lower mounts (14.1mm)
- Collapsed length: 17.91 inches (455 mm)
- Extended length: 28.41 inches (721.7 mm)
Detailed Features and Specifications
This Bilstein B8 5100 shock absorber features a monotube design that enhances heat dissipation and maintains consistent damping performance under demanding conditions. The smooth body construction, measuring 46mm in diameter, is non-coilover style, making it compatible with many factory suspension setups. The shock includes a black bellows boot to protect the piston rod from dirt and debris, extending the service life of the component. Both the upper and lower mounts are eye-type with a 14.1mm diameter, ensuring secure attachment to the vehicle's suspension system. The zinc plated finish provides additional corrosion resistance, suitable for off-road and all-weather environments.
About the Bilstein B8 5100 Series
The B8 5100 series is designed specifically for trucks and SUVs that require enhanced suspension performance without the complexity of adjustable damping. This series focuses on durability and consistent handling improvements over stock shocks, making it a practical upgrade for vehicles used in both on-road and moderate off-road conditions. The 33-305288 part number is a direct replacement shock absorber within this series, engineered to meet or exceed OEM specifications.
Common Applications and Problem Solving
- Improves handling and stability on rough or uneven terrain
- Reduces excessive body roll during cornering
- Restores factory ride height and suspension travel
- Minimizes shock fade under heavy load or towing conditions
- Protects suspension components from premature wear due to dirt and debris
Installation Notes and Tips
When installing the Bilstein B8 5100 shock absorber (33-305288), ensure the vehicle is securely lifted and supported. Verify that the eye-type mounts align correctly with the vehicle’s suspension points. It is recommended to replace shocks in pairs to maintain balanced handling. No reservoir is included with this model, so no additional reservoir mounting is necessary. Check for proper torque specifications as per the vehicle manufacturer’s guidelines.
Quality Assurance and Warranty
Bilstein shock absorbers are manufactured to meet strict quality standards, utilizing durable materials and advanced engineering. The zinc plated finish helps resist corrosion, extending the service life of the shock absorber. While specific warranty details for part number 33-305288 should be confirmed with the supplier or manufacturer, Bilstein typically offers a limited warranty covering defects in materials and workmanship.
| Brand | Bilstein |
| Part Number | 33-305288 |
| Adjustable Damping | Non-adjustable |
| Body Design | Smooth body (non-coilover) |
| Body Diameter (ID) | 46mm |
| Boot Included | Black bellows |
| Collapsed Length (IN) | 17.91 |
| Collapsed Length (MM) | 455.0 |
| Extended Length (IN) | 28.41 |
| Extended Length (MM) | 721.7 |
| Finish | Zinc plated |
| Internal Design | Monotube |
| Lower Mount Type | Eye 14.1mm |
| Reservoir | No |
| Series | B8 5100 |
| Title | Bilstein shock absorbers |
| Upper Mount Type | Eye 14.1mm |
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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.