It is your responsibility to purchase the correct part. Very often there is more than one part available per application as auto makers often switch midyear. eCRATER’s compatibility system does not allow sellers to account for any variations by VIN. If you don’t have the part number, you can get it from any dealership by providing your VIN. This way you can avoid unnecessary hassle and return shipping costs. We provide part numbers and high resolution photos, but if you do not check them we cannot guarantee fitment. Brand New Short Wire Knock / Detonation Sensor For 2000 Audi Tt And Tt Quattro Symptoms of a bad knock sensor include a sluggish engine poor acceleration and poor fuel economy. Knock sensors rarely fail outright and more often get 'soft' over time and cause false signals to be sent to the ECU which thinks the engine is knocking when it's really not. Restore engine performance with this brand new OEM replacement quality knock sensor for your vehicle. Manufacturer: AIP Electronics100% New ConstructionHigh Quality OEM Replacement PartFit and Quality GuaranteedReady for Install Straight out of the box 2000 Audi TT 1.8L 1781CC l4 GAS DOHC Turbocharged (155mm Wire)2000 Audi TT Quattro 1.8L 1781CC l4 GAS DOHC Turbocharged (155mm Wire) Part Ref#s: 06A905377KS2205S2142SU5408VE369019 About Us Payment Shipping Returns Contact Us About Us: AIP Electronics Inc. was established in 2005 and has grown to have over 2,000 SKUs available and in stock anytime. At AIP, we focus on providing customers with high quality automotive parts at a competitively low price. To keep prices low for customers, AIP buys parts directly from OEM, OES, and aftermarket manufacturers and sells them directly to the customer. At AIP, customer service ranks at the top of the list. Our warehouse, shipping facility and customer support center are all based in California, offering customers the ability to receive support from one central location. AIP is proud to offer technical assistance for life, as long as of your vehicle utilizes our parts. In the automotive world, speed reigns supreme and AIP aims to get your vehicle back on the road as soon as possible. We offer quick forms of shipping and will ship on the same day if the part is ordered by 3 P.M. PST. AIP offers free shipping to all domestic customers, as well as to select online market websites. For international buyers, AIP is proud to present worldwide shipping. Here at AIP, we provide a 90-day warranty with every part we sell. For new and unused parts, we will provide the customer with a full refund within 90 days of the original purchase date. Parts that are deemed non-functioning can be returned for replacement within 90 days of the original purchase date. Our focus at AIP is to provide customers with low cost quality automotive parts, helpful customer service and the ability to help your vehicle run like new. With thousands of parts in stock we're sure we have the right part for your vehicle to get on the road again. Shipping For Domestic we use a variety of different services to ensure the quickest delivery whil