Emission System Application Chart

Light Duty Emission Control System - Diesel:

LIGHT DUTY EMISSIONS

Engine 6.2L (379 cid)
Engine RPO Code LH6
Fuel System Diesel Fuel Injection

DEVICES & SYSTEMS
CV Crankcase Ventilation
DEC Diesel Electronic Control System
EGR Exhaust Gas Recirculation
SES Service Engine Soon Lamp
TCC [1][2]Torque Converter Clutch
ECM Engine Control Module (Manual Transmission)
PCM Powertrain Control Module (Automatic Transmission)

Heavy Duty Emission Control System - Diesel:

HEAVY DUTY EMISSIONS

Engine 6.2L (379 cid)
Engine RPO Code LL4
Fuel System Diesel Fuel Injection

DEVICES & SYSTEMS
CV Crankcase Ventilation