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Bilstein 05-12 Porsche Boxster (w/o PASM) B6 Performance Monotube Strut Assembly - Rear

Bilstein
BIL35-347835
651860941233
Shocks and Struts
Out of stock
$ 579.00 $ 389.00
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SKU: 35-347835   |   UPC: 651860941233


Bilstein B6 Performance Monotube Rear Strut Assembly 2005-2012 Porsche Boxster (w/o PASM)

The Bilstein 35-347835 B6 Performance Monotube Rear Strut Assembly is the best upgrade strut for 2005-2012 Porsche Boxster (w/o PASM) owners seeking improved handling, reduced body roll, and a sportier ride without harshness. Featuring monotube gas-pressurized technology, digressive valving, and vehicle-specific tuning, this strut delivers precise damping, better road feel, and fade resistance – ideal for spirited street driving, canyon carving, or track days on the Boxster platform.

Key Features

  • Monotube Design: Gas-pressurized for consistent damping, fade resistance, and superior heat dissipation
  • Digressive Valving: Provides firm control at low speeds and progressive damping under hard cornering
  • Fixed Spring Seat: Includes integrated spring perch for direct fit with stock or lowering springs
  • Blue Bellows Boot: Protects piston rod from debris and extends service life
  • Yellow Paint Finish: Iconic Bilstein look with corrosion-resistant coating
  • Direct Replacement: Vehicle-specific fitment – bolts on with factory mounts (no modifications required)

Specifications

Specification Detail
Part Number 35-347835
Position Rear
Strut Type B6 Performance Monotube
Extended Length 21.42 inches (544.0 mm)
Collapsed Length 16.48 inches (418.5 mm)
Upper Mount Stem
Lower Mount Housing
Spring Seat Fixed (Included)
Boot Blue Bellows (Included)
Compatibility 2005-2012 Porsche Boxster (w/o PASM)
Country of Origin Germany
Warranty Limited Lifetime (Bilstein)

Product Notes

  • Rear strut assembly – sold individually; order 35-347836 for left side if needed
  • Designed for Boxster models without PASM (Porsche Active Suspension Management)
  • Compatible with stock or lowering springs – excellent for street performance or mild track use

Installation Notes

  • Estimated time: 2-4 hours per side, advanced difficulty, spring compressor and professional installation recommended
  • Direct replacement – requires strut removal and spring compression; use new mounts/bearings for best results
  • Full alignment essential after installation – torque to factory specs

This Part Fits

Year Make Model Notes
2005-2012 Porsche Boxster All Trims w/o PASM (Base, S, Spyder, Black Edition, RS 60 Spyder, etc.)
2006-2012 Porsche Cayman Base / S (w/o PASM – Verify Application)

Why Choose Bilstein B6 Performance Struts?

  • Monotube gas-pressurized design provides superior damping, fade resistance, and road feel over stock
  • Digressive valving delivers sporty handling without harshness – perfect for street and occasional track use
  • Limited lifetime warranty and German engineering ensure long-term reliability and performance

Frequently Asked Questions

  • Q: Will this strut fit my 2009 Porsche Boxster S?
    A: Yes, 35-347835 is confirmed to fit 2005-2012 Porsche Boxster models without PASM.
  • Q: Does it include a spring?
    A: No – strut assembly with fixed spring seat; reuse existing spring or pair with lowering springs.
  • Q: Should I replace both rear struts?
    A: Yes – recommended to replace left/right together for balanced handling and ride quality.
  • Q: Is alignment required after installation?
    A: Yes – professional alignment essential to prevent uneven tire wear and maintain proper handling.

Shipping & Handling

  • Method: UPS/FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure retail box

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