100% Bosch made LSU 4.9 Wideband Wideband O2 Sensor.
The LSU 4.9 is a cost effective Wideband O2 sensor providing 0.01 Lambda accuracy, fast response, and rated life of 100,000 km.
Compatible with Spartan Lambda Controller 2, SLC Free 2, MegaSpartan, iDash, as well as all Bosch LSU 4.9 Wideband Controllers
Not compatible with Spartan Lambda Controller 1, SLC DIY2, SLC PP2, SLC Gauge, SLC OEM, iDash (purchased before Jan 1 2015), and SLC Free C.
Only $50 with any Wideband O2 Controller Purchase; Limit 1 sensor per controller purchase, $75 without.