Vacuum Box Exhaust Gas Cooler for W204 W205 W212 X204 6511410369 Bypass Valve Fuel Gas Cooler for W447 Viano W639 W906 CLA CLS Specification: Reference OE Number: 6511410369, A6511410369 Item Type: Diversion, Fuel, Gas, Radiator Material: Metal, ABS Color: black and silver Installed on vehicle: top of bypass valve. Function: Used to control the negative pressure in the air intake system of the engine to maintain adequate air supply and improve engine performance and fuel economy. and helps control emission systems such as exhaust gas recirculation systems to reduce emissions and meet environmental requirements. Suitable for: for Viano (W639) for Vito Van (W447) / Dualiner (W447) / Tourer (W447) / Minibus (W639) / Mixto (W639). for Sprinter 3-T Minibus (W906) / Van (W906) / Platform / Chassis (W906) for Sprinter 3.5-T Minibus (W906) / Van (W906) / Platform / Chassis (W906) for Sprinter 5-T Van (W906) /Platform/Chassis (W906) A-Class (W176) for B-Class (W246, W242). for C-Class Saloon (W204) / Saloon (W205) / T Model (S204) / T Model (S205) for E-Class Saloon (W212)/Coupe (C207) / T Model (S212)/Convertible (A207) for S-Class Saloon (W221) for V-Class (W447) for S-Class Saloon (W222, V222, X222). for CLA Coupe (C117) Estate (X117) for CLS Coupe (C218)/Shooting Brake (X218) for GLA (X156) for GLK (X204) for GLE Off-Road (W166) for GLC Off-Road (X253) for SLK (R172) Package includes: 1 x diversion valve fuel gas cooler. _x000D_ _x000D_