LSU 4.9 Wideband Wideband O2 Sensor.
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.
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.
Only $50 with any Wideband O2 Controller Purchase; Limit 1 sensor per controller purchase, $75 without.
Note: This is a Bosch OEM sensor. The "head" of the sensor and it's internal sensing elements are made by Bosch, the cabling and calibration is done by a 3rd party.