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Ignition System
Camshaft Position Sensor(s)
Crankshaft Position Sensor(s)
Glow Plug(s) (Diesel)
Glow Plug Controller (Diesel)
Ignition Coil(s)
Ignition Control Module
Knock Sensor
Spark Plug Wires
Spark Plugs
Catalytic Converter System
Catalytic Converter(s) and Muffler if attached
as assembly * **
Diesel Exhaust Temperature and Pressure Sensors
Diesel Particulate Filter (DPF) *
Exhaust Manifold (7/70 Only Corvette 7.0L,
Equinox and Torrent with 3.4L, DTS, STS, and
Lucerne with 4.6L, XLR, Impala and Lacrosse
with 5.3L right bank *)
Exhaust Manifold with Catalytic Converter attached
as assembly * **
Exhaust Manifold Gasket
Exhaust Pipes and/or Mufflers (when located
between catalytic converters and exhaust manifold)
Positive Crankcase Ventilation (PCV) System
Oil Filler Cap
PCV Filter
PCV Oil Separator
PCV Valve
Exhaust Gas Recirculation (EGR) System
EGR Feed and Delivery Pipes or Cast-in Passages
EGR Valve (7/70 Only Express and Savana with
®
6.6L DURAMAX
Diesel *)
EGR Valve Cooler (6.6L DURAMAX
EGR Vacuum Pump Assembly (6.6L DURAMAX
Secondary Air Injection System
Air Pump
Check Valves
®
Diesel) *
®
Diesel)
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