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Oxygen Sensor: Service and Repair




AR07.52-P-5303GQ Remove/Install Heated O2 Sensor
ENGINES 276 in MODEL 166.0, 251





Shown on model 166

1r Exhaust manifold with catalytic converter Right
1l Exhaust manifold with catalytic converter on the left
2 Engine cover
3 Air cleaner housing
5 Electrical connectors
6 Shield
7 Shield
8 Electrical connectors
13 Electrical line
14 Electrical line
15 Electrical line
16 Electrical line

G3/3 Left oxygen sensor upstream of catalytic converter
G3/4 Right oxygen sensor upstream of catalytic converter
G3/5 Left oxygen sensor downstream of catalytic converter
G3/6 Right oxygen sensor downstream of catalytic converter














001 589 01 16 00
Set of engine bearing wrenches