Front O2 Sensor MHK100920 – Discovery II Discovery II Thermostat Part# **STC8368G -Distributor Cap **RTC5628G

Part# **STC8368G -Distributor Cap  **RTC5628G - Ignition Coil

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MYX100180L

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What does the front grille do

Front O2 Sensor MHK100920 – Discovery II Discovery II Thermostat Part# **STC8368G -Distributor Cap **RTC5628GThe oxygen sensor is one of the most important emissions and engine management components in your Discovery Series II. Positioned upstream of the catalytic converter in the exhaust stream, the front O2 sensor continuously monitors exhaust gas composition and sends real time feedback to the engine control unit. The ECU uses this data to adjust the fuel to air mixture, ensuring optimal combustion efficiency, fuel economy, and emissions compliance. A