4Pcs O2 Oxygen Sensor Set For 2003-2006 Hummer H2 6.0L – Upstream & Downstream, Auspartshouse

This set gives you all four oxygen sensors for a 2003–2006 Hummer H2 with the 6.0L engine—both upstream and downstream positions covered.

Made by auspartshouse, each sensor features M18 threads, 4-pin blade terminals, and puts out a solid 0.2V to 0.8V signal.

Direct screw-in replacement, no hacking or splicing needed.

Backed by a 1-year warranty and ships brand new.

UPC doesn't apply, but these are ready to wake up your H2's fuel trims and keep that check engine light off.

Custom bundle includes all four, so you're not hunting down the missing one later.