NGK Audi A6 2009-2006 Direct Fit 5-Wire Wideband A/F Sensor 2005-acura-nsx-esi7974551 and CNC-machined ports

and CNC-machined ports

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release bearing

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NGK Audi A6 2009-2006 Direct Fit 5-Wire Wideband A/F Sensor 2005-acura-nsx-esi7974551 and CNC-machined portsNTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how