12559850 - Gmc Oxygen Sensor (Rear, Lower) | Mangino Buick GMC, Ballston Spa NY

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Oxygen Sensor (Rear, Lower)
This Fits Your GMC

Part Number: 12559850

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Sensor. Oxygen.
Oxygen Sensor. Heated (O2). Ft. Snsr.

Oxygen Sensor

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 GMC to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and GMC genuine parts.

EMISSION SYSTEM. EMISSION COMPONENTS.

Full Diagram

#14

ALL. Vapor canister. 2. 2 liter. 4. 3 liter. At manifold. California. Cpi. Efi. EGR valve. Federal. Front of converter. Rear of converter. W/EXTENDED build. W/FLEXIBLE fuel. W/O extended build. W/O flexible fuel.

4.3 LITER. front of converter. rear of converter.

EMISSION SYSTEM. EMISSION COMPONENTS.

Full Diagram