Amazon.com: LSU 4.9 5-Wire Lambda WideBand O2 Oxygen Sensor 17025 Fit for AEM 30-4110 30-0300 30-0310 - X Series AFR Inline Controller - UEGO Air Fuel Ratio Wideband : Automotive
OE Base LSU4.9 Wideband Oxygen Sensor, Compatible with Bosch 17025, AEM 30-0300 | eBay