CONFIRM THIS FITS YOUR 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside

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Oxygen Sensor

Part Number: 19211437
Supersession(s): 19178952; 19178953; 25162600; 25165118; 25166816; 25171581
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Ft Oxygen Sensor.
1 Wire. Calif. EGR Valve. Exc.Calif. Exc.Extended Build Date. For Connector Stamped #12117385. Oxygen Sensor. Vendor #AFS20. Vendor #AFS21. Vendor:ACDELCO.

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 1989 GMC C2500 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
Diagram EMISSION SYSTEM. EMISSION COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#11
3. 4 liter. 5. 7 liter. ALL. Auto TRANS. Coolant temp. In exhaust pipe. In manifold. Manual TRANS. W/3. 8 liter. W/O 3. 8 liter.
Left.3.4 liter. Left.5.7 liter. Right.3.4 liter. Right.5.7 liter.
EMISSION SYSTEM. EMISSION COMPONENTS.
Full Diagram
Diagram EMISSION SYSTEM. EMISSION COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#10
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.
2.2 LITER. at manifold. w/o extended build.
EXHAUST SYSTEM. EXHAUST COMPONENTS.
Full Diagram
Diagram EXHAUST SYSTEM. EXHAUST COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#7
2. 4 liter. California. Center. Exhaust manifold. Exhaust pipe. Federal. Front. Rear.
2.4 LITER. exhaust manifold.
EMISSION SYSTEM. EMISSION COMPONENTS.
Full Diagram
Diagram EMISSION SYSTEM. EMISSION COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#4
2. 2 liter. 2. 3 liter. 2. 4 liter. Front. Rear. w/DOHC. w/o DOHC.
front.
EMISSION SYSTEM. EMISSION COMPONENTS.
Full Diagram
Diagram EMISSION SYSTEM. EMISSION COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#7
2. 4 liter.
2.4 LITER.
Emission system. Emission components.
Full Diagram
Diagram Emission system. Emission components. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#4
2. 2 liter. 2. 3 liter. 2. 4 liter. Manifold. Post converter. Pre converter. w/DOHC. w/o DOHC.
2.2 liter. 2.3 liter. 2.4 liter. manifold.
EMISSION SYSTEM. EMISSION COMPONENTS.
Full Diagram
Diagram EMISSION SYSTEM. EMISSION COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#7
2. 2 liter. 2. 4 liter. 3. 4 liter. To converter. To manifold.
2.4 liter. to manifold.
EMISSION SYSTEM. EMISSION COMPONENTS.
Full Diagram
Diagram EMISSION SYSTEM. EMISSION COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#3
4 cylinder. 6 cylinder. all. auto trans. manual trans.
4 cylinder. 6 cylinder.
EMISSION SYSTEM. EMISSION COMPONENTS.
Full Diagram
Diagram EMISSION SYSTEM. EMISSION COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#8
1ST design. 2. 0 liter. 2. 2 & 2. 3 liter. 2. 2 & 3. 1 liter. 2. 2 liter. 2. 8 liter. 2ND design. Auto TRANS. Manual TRANS.
2.2 & 2.3 liter. 2.2 & 3.1 liter. 2.2 liter.
EMISSION SYSTEM. EMISSION COMPONENTS.
Full Diagram
Diagram EMISSION SYSTEM. EMISSION COMPONENTS. for your 1989 GMC C2500 Sierra SLE Extended Cab Pickup Fleetside
#7
#1. #2. 4 cylinder. 6 cylinder. all.
#1. 4 cylinder. 6 cylinder.

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