Shop 2012 Cadillac Escalade EXT Oxygen Sensor. 3.5 liter. 3.8 LITER, at exhaust manifold, California. 3 Front, LITER, Emission - OEM Cadillac Part # 12597878

Sensor. Oxygen. Assembly - Heated (O2) (POSN 1). Ft.
Calif. Oxygen Sensor. PZEV Spec.

Oxygen Sensor

Fits Grand Prix, LaCrosse, Lucerne, Montana , Relay , Rendezvous, Terraza, Uplander

3.5 liter. 3.8 LITER, at exhaust manifold, California. 3.8 liter, California. Aztek, Rendezvous; Front; 3.5L. FEDERAL EMISSIONS, 3.5 LITER. Grand Prix; Front; 3.8L; w/o Supercharger; California. LaCrosse; Front; 3.8L; California. Lucerne; Front; 3.8L; California. Montana SV6; Front. Montana SV6; Front; 3.5L. Relay; Front. Terraza, Uplander; Front. Terraza, Uplander; Front; 3.5L.
Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.