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- OE numbers: 5WK9 6684A, 68067521AA. Suitable for 2011-2012 3500 5500 6. 7L (Front - Before SCR) (UPSTREAM)".
- OEM factory direct sales, brand new aftermarket parts. The product probe is sensitive and the controller (SCU) is reliable/stable.
- OEM product data and performance indicators perfectly meet the standard technical requirements of the original car, easy to replace, and can meet the needs of most home engineers.
- The .NOx sensor is used to check the nitrogen oxide content in the exhaust to optimize exhaust and fuel economy.