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Bilstein B4 OE Replacement Suspension Strut Assembly Overview
The Bilstein shock absorbers B4 OE Replacement suspension strut assembly (part number 22-147455) is engineered for precise fitment on Porsche 911 models. Designed to restore original ride comfort and handling, this strut assembly features a durable black paint finish and a twin-tube internal design for consistent performance.
- Compatible with Porsche 911 suspension systems
- Black paint finish for corrosion resistance
- Twin-tube internal design for reliable damping
- Lower mount type: base cup for secure installation
- Upper mount type: stem for direct fitment
- Part of the B4 OE Replacement series for OEM-level quality
- Boot not included
Detailed Product Description
This Bilstein suspension strut assembly is built to meet or exceed original equipment specifications, making it a suitable replacement for worn or damaged struts on Porsche 911 vehicles. The twin-tube internal design provides a balance of comfort and control by effectively managing road irregularities. Finished in black paint, the strut resists corrosion and maintains durability over time. The base cup lower mount and stem upper mount ensure proper alignment and secure attachment within the suspension system.
The B4 OE Replacement product line focuses on delivering direct-fit components that replicate the original suspension performance. This line is ideal for drivers seeking to maintain factory ride quality without modifying their vehicle’s handling characteristics.
Common Applications and Problem Solving
- Restores original ride comfort and handling on Porsche 911
- Replaces worn or leaking suspension struts
- Eliminates excessive body roll and instability
- Addresses uneven tire wear caused by faulty struts
- Improves vehicle control and braking response
Installation Notes and Tips
Installation of the Bilstein 22-147455 suspension strut assembly should be performed by a qualified technician familiar with Porsche 911 suspension systems. Ensure all mounting points are clean and free of debris before installation. Since the boot is not included, inspect the existing boot for damage and replace if necessary to protect the strut shaft. Proper torque specifications should be followed to maintain suspension integrity.
Quality Assurance and Warranty
Bilstein B4 OE Replacement parts are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 22-147455 are not provided here, Bilstein typically offers coverage against manufacturing defects. Consult product documentation or the manufacturer for exact warranty terms.

Details & Craftsmanship
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Description
Bilstein B4 OE Replacement Suspension Strut Assembly Overview
The Bilstein shock absorbers B4 OE Replacement suspension strut assembly (part number 22-147455) is engineered for precise fitment on Porsche 911 models. Designed to restore original ride comfort and handling, this strut assembly features a durable black paint finish and a twin-tube internal design for consistent performance.
- Compatible with Porsche 911 suspension systems
- Black paint finish for corrosion resistance
- Twin-tube internal design for reliable damping
- Lower mount type: base cup for secure installation
- Upper mount type: stem for direct fitment
- Part of the B4 OE Replacement series for OEM-level quality
- Boot not included
Detailed Product Description
This Bilstein suspension strut assembly is built to meet or exceed original equipment specifications, making it a suitable replacement for worn or damaged struts on Porsche 911 vehicles. The twin-tube internal design provides a balance of comfort and control by effectively managing road irregularities. Finished in black paint, the strut resists corrosion and maintains durability over time. The base cup lower mount and stem upper mount ensure proper alignment and secure attachment within the suspension system.
The B4 OE Replacement product line focuses on delivering direct-fit components that replicate the original suspension performance. This line is ideal for drivers seeking to maintain factory ride quality without modifying their vehicle’s handling characteristics.
Common Applications and Problem Solving
- Restores original ride comfort and handling on Porsche 911
- Replaces worn or leaking suspension struts
- Eliminates excessive body roll and instability
- Addresses uneven tire wear caused by faulty struts
- Improves vehicle control and braking response
Installation Notes and Tips
Installation of the Bilstein 22-147455 suspension strut assembly should be performed by a qualified technician familiar with Porsche 911 suspension systems. Ensure all mounting points are clean and free of debris before installation. Since the boot is not included, inspect the existing boot for damage and replace if necessary to protect the strut shaft. Proper torque specifications should be followed to maintain suspension integrity.
Quality Assurance and Warranty
Bilstein B4 OE Replacement parts are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 22-147455 are not provided here, Bilstein typically offers coverage against manufacturing defects. Consult product documentation or the manufacturer for exact warranty terms.




















