Markbo Posted July 25, 2015 Share Posted July 25, 2015 Innovatives' website lacks a little on detail. My LC-1 went bad so I ordered an LC-2. Now I got it and the Sensor connector is different so I need a different sensor. Innovatives' part number of 3888 does not cross reference at any auto parts store. Can anyone tell me the correct Bosch O2 sensor part number so I don't have to order on line and wait for it? Many thanks! Link to comment Share on other sites More sharing options...
snm95ls Posted July 25, 2015 Share Posted July 25, 2015 17014 is usually the best priced unit. 2004 Golf GTI upstream sensor. Actually I think that number is valid for any MkIV Golf/Jetta with the 1.8t. Link to comment Share on other sites More sharing options...
Saltysubie Posted July 27, 2015 Share Posted July 27, 2015 They list the following sensors as compatible with the LC-2: Bosch LSU-4.2 Bosch LSU-4.9 Link to comment Share on other sites More sharing options...
Markbo Posted July 27, 2015 Author Share Posted July 27, 2015 Yeah Salty that info is in the manual but those numbers mean nothing to auto parts stores. They go by part numbers not types. Link to comment Share on other sites More sharing options...
snm95ls Posted July 28, 2015 Share Posted July 28, 2015 The 17014 is a LSU-4.2. Link to comment Share on other sites More sharing options...
Markbo Posted July 28, 2015 Author Share Posted July 28, 2015 Is a 4.9 "better" than a 4.2? I dont know what those numbers designate. Link to comment Share on other sites More sharing options...
Saltysubie Posted July 29, 2015 Share Posted July 29, 2015 Yes, the LSU-4.2 had 17014 written on its box. Looks like the LSU-4.9 is a 17025. It looks like there are variations for each of the sensors. I'd guess the variations are most likely being the type of connector attached. Here's some propaganda from the internet comparing the two: http://www.ecotrons.com/technology/bosch_lsu_49_is_superior_to_lsu_42_sensors/ Link to comment Share on other sites More sharing options...
Markbo Posted August 2, 2015 Author Share Posted August 2, 2015 17014 is the one for the LC-1 with the larger connector that does not fit the LC-2. Nobody locally carries the 17025 for some reason. Ordered on line. I dont know if thats what 4.2 & 4.9 delineate but the former is what I have for the LC-1 & I know it doesnt fit. Link to comment Share on other sites More sharing options...
Saltysubie Posted August 12, 2015 Share Posted August 12, 2015 Hmm, my LC-2 was provided with the 17014 O2 sensor and it fit okay. I think that the 17014 and 17025 have the same connector and are the name designations for those Bosch sensor types. In other words: 17014 is the Bosch LSU-4.2 sensor with the large connector that fits the LC-2. [ame=http://www.amazon.com/Bosch-17014-Oxygen-Sensor-Fitment/dp/B000BZI4ZW]Amazon.com: Bosch 17014 Oxygen Sensor, OE Type Fitment: Automotive[/ame] and 17025 is the Bosch LSU-4.9 sensor with the large connector that fits the LC-2. [ame=http://www.amazon.com/Bosch-17025-Oxygen-Sensor/dp/B009J3EXGQ]Amazon.com: Bosch 17025 Oxygen Sensor: Automotive[/ame] The Innovate Motorsports manual calls the connector a 5-pin, but looking at it, there are actually 6 pins available on the connector. Link to comment Share on other sites More sharing options...
fahr_side Posted August 12, 2015 Share Posted August 12, 2015 Splice the wiring. The first LC-2 kit I saw came with an old-stock LSU4.2 sensor, so those do work with the newer unit. I cut and spliced my cable to fit it through a smaller hole in the bulkhead... no problems with it in nearly 3 years. Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
Markbo Posted August 12, 2015 Author Share Posted August 12, 2015 I just got a 17025. I went with it based on recommendations of better performance over the LSU 4.2 unit. BUT... the connectors on the LC-1 and LC-2 are most definitely not the same. The LC2 is smaller. Link to comment Share on other sites More sharing options...
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