Air Suspension Replacement Air Strut Bag – Integrated One‑Piece Coilover
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C2B Replacement Double Bellow Air Strut Bag
The C2B Replacement Double Bellow Air Strut Bag is designed to replace blown or worn air bags on integrated, true one‑piece air suspension coilovers. C2B’s slim double bellow design provides a direct replacement for most sleeve‑type, single bellow, and double bellow air strut bags used on common coilover applications.
Important: This C2B replacement bag is intended only for integrated air strut bags that replace the spring on a true one‑piece coilover.
Direct Replacement Fitment
C2B replacement air strut bags are engineered to be direct plug‑and‑play replacements for your existing coilovers in most applications. Fitment and performance may vary depending on coilover model, strut rod stroke, and lower perch height adjustment limits. Some vehicle and coilover combinations may require a sleeve‑type air bag instead of a double bellow design.
Replacement Recommendations
For optimal performance and longevity, C2B strongly recommends replacing air strut bags in pairs.
Example: if replacing the left front bag, both front air strut bags should be replaced.
All C2B replacement bags are coilover‑specific and vehicle‑specific.
Technical Specifications
Max peak pressure: 200 PSI
Max ride pressure: ~140 PSI
Results may vary based on coilover model, strut rod stroke, and lower perch height adjustment range.
Installation Notes
Most C2B replacement bags and kits are designed as a direct fit to existing coilovers. However, MacPherson‑style struts commonly require modification to the pillow ball camber plate center dowel to allow the strut rod to fully thread onto the top nut. Professional installation is recommended.
Custom & Made‑to‑Order Applications
Some vehicle and coilover applications require custom or made‑to‑order C2B replacement bags, including certain rear sealed bag designs. Estimated lead time for these applications is 0–4 weeks. This typically applies to “other” selections and vehicle‑specific rear sealed bags. Please email us prior to ordering to confirm whether your application falls under made‑to‑order requirements.
Warranty, Use & Liability Disclaimer
Professional installation is recommended and proper adjustments are required to achieve optimal ride quality. C2B does not hold responsibility for damages due to improper installation. All C2B replacement air strut bags include a 1‑Year Limited Warranty. Bag longevity depends on driving habits and air pressure settings. As with all aftermarket suspension components, C2B air suspension products are intended for off‑road or show use only. C2B holds no responsibility for voided vehicle or suspension warranties.
