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Glow Plug Relay (Diesel)
Ignition Coil(s)
Ignition Control Module
Ignition Timing Adjustment
Knock Sensor
Spark Plug Wires
Spark Plugs
Catalytic Converter System
Catalytic Converter(s) and Muffler if attached
as assembly **
Exhaust Manifold (7/70 Only Corvette 7.0L,
Equinox, Torrent, Rendezvous, Terraza,
Uplander, RELAY, Cadillac DTS 4.6L,
(Monte Carlo, Impala, Grand Prix 5.3L right
side) and C/K Trucks < 14,000 GVWR 8.1L)
Exhaust Manifold with Catalytic Converter attached
as assembly **
Exhaust Manifold Gasket
Exhaust Pipes and/or Mufflers (when located
between catalytic converters and exhaust
manifold)
28
Positive Crankcase Ventilation System
Oil Filler Cap
PCV Filter
PCV Oil Separator
PCV Valve
Exhaust Gas Recirculation System
EGR Feed and Delivery Pipes or Cast-in Passages
EGR Valve
EGR Valve Cooler (6.6L DURAMAX
EGR Vacuum Pump Assembly
®
(6.6L DURAMAX
Diesel)
Secondary Air Injection System
Air Pump
Check Valves
Evaporative Emission Control System
(Gasoline Engines)
Canister
Canister Purge Solenoid Valve
Canister Vent Solenoid
Fuel Feed and Return Pipes and Hoses
®
Diesel)
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