Maintain or restore your vehicle's emission control system with this premium Kalanbay Secondary Air Injection Check Valve Kit (Part Nos: A0021407460 / A0021407560). Engineered for dual-side application (Left and Right), this brand-new replacement kit restores proper secondary air injection function to ensure reliable emissions control, optimal engine performance, and full compliance with factory standards.
Brand: Kalanbay
Manufacturer Part Numbers: A0021407460, A0021407560 (Cross-compatible with 0021408360)
Item Condition: Brand New (Never installed)
Kit Contents: Complete 2-Pack Set (Includes both Left and Right side check valves)
Valve Type: Secondary Air Injection Check Valve
Construction: High-quality, heat-resistant metal housing designed to withstand extreme exhaust temperatures and prevent carbon buildup
Engine Compatibility: Specifically engineered for Mercedes-Benz M272 (V6) and M273 (V8) engines
Application: Direct replacement fit for 2005–2015 Mercedes-Benz models equipped with M272 or M273 engines, including select C-Class, E-Class, S-Class, G-Class, CLS, GL, ML, R-Class, and SLK models (such as C280, C300, C350, E350, E550, G550, S400, and S550).
(1) Left Side Secondary Air Injection Check Valve
(1) Right Side Secondary Air Injection Check Valve
Gaskets, mounting hardware, or hoses (unless reused from your factory setup or shown in photos)
Professional installation tools
Please carefully review all product photos, double-check your part numbers, and verify compatibility with your specific vehicle make, model, year, trim level, and engine configuration before purchasing. Ensuring proper fitment prior to checkout helps avoid incorrect orders and returns.