Knock Sensor (Siemens-VDO) for B6-A4, C5-A6 3.0L, 2.7T (03-04) C5-allroad 2.7T (03-05) Blue, 540mm

This is a brand new, OEM knock sensor for your B6-A4 with either the 1.8T or 3.0L, your C5-A6 with the 3.0L, or your 2003 – 2005 C5-A6 or allroad with the 2.7T BEL engine. This sensor is made by Siemens-VDO, the original equipment manufacturer (OEM) for this sensor for Audi. This sensor has a blue connector and a lead length of 540mm.

NOTE: The B6-A4 1.8T requires 1 of these sensors plus another sensor we have in our store. It has a green connector and a 750mm lead length. The B6-A4 3.0L, C5 A6-allroad 2.7T motors will require 2 of these blue-540mm sensors. Make sure to change your quantity to 2 before adding to your cart if you need both.

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