This is a Bosch LSU 4.9 industry-standard heated 5-wire EGO sensor. These wideband air fuel ratio sensors are the very latest from Bosch and are used in many top quality tuning devices and also by professional dyno-tuners. Suitabe replacement sensor for the Prosport USA wideband kits.

PACEMAKER exhaust system - Holden Commodore VE incl HSV LS2 and LS3
Kinugawa Japan TD04-15T 4cm 3-bolt 4D56T Pajero upgrade
Hybrid GT2 spec intercooler kit - Toyota Hiace
SD Rod End (chromolly, imperial) R/L
DPR 700 external fuel pump 