Ignition Systems for 2003 GMC Sierra 1500
Select Ignition Systems part
Wiring Pigtail
ACDelco
PT3849
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$37.12
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT420
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$41.37
Fits Your Vehicle
Camshaft Position Sensor
GM
19420911
ACDelco Camshaft Position Sensor (Part Number: 19420911) is a sensor that provides camshaft position data to the engine control module...
$72.79
MSRP $132.95
Save $60.16
45.3% Off Fits Your Vehicle
Door Lock and Ignition Key
ACDelco
23372321
GM Genuine Parts Vehicle Keys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine...
Positions: Ignition
$21.24
Fits Your Vehicle
Engine Crankshaft Position Sensor
ACDelco
213-354
ACDelco GM Original Equipment Engine Crankshaft Position Sensors monitor the position and rotational speed of the crankshaft, and are...
$67.23
Fits Your Vehicle
Camshaft Position Sensor
ACDelco
19420911
GM Genuine Parts Engine Camshaft Position Sensors are designed, engineered, and tested to rigorous standards, and are backed by General...
$72.79
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT267
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$36.73
Fits Your Vehicle
Multi-Purpose Relay
ACDelco
19118886
GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays...
Positions: Roof Mount
$65.08
Fits Your Vehicle
Spark Plug Wire Kit
ACDelco
19417606
GM Genuine Parts Spark Plug Wire Sets are designed, engineered, and tested to rigorous standards, and are backed by General Motors....
$86.78
Fits Your Vehicle
Wiring Pigtail
ACDelco
PT2786
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$36.30
Fits Your Vehicle
Wiring Pigtail
ACDelco
PT2309
ACDelco Gold (Professional) A/C Compressor Clutch Relay Connector are a high quality alternative to Original Equipment (OE) parts....
$58.39
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT247
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$34.50
Fits Your Vehicle
Engine Crankshaft Position Sensor
GM
12560228
ACDelco Engine Crankshaft Position Sensor (Part Number: 12560228) is an emission control sensor that monitors crankshaft position to...
$67.23
MSRP $122.82
Save $55.59
45.3% Off 
Ignition Lock Cylinder Case
ACDelco
26088811
GM Genuine Parts Ignition Lock Housings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
$157.94
Fits Your Vehicle
Exhaust Gas Recirculation Valve Solenoid Connector
ACDelco
PT2315
ACDelco Gold (Professional) Exhaust Gas Recirculation (EGR) Valve Motor Connector are a high quality alternative to Original Equipment...
$46.54
Fits Your Vehicle
Wiring Pigtail
ACDelco
PT2353
ACDelco Gold (Professional) ABS Modulator Sensor Connector are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold...
$58.74
Fits Your Vehicle
Ignition Coil
GM
19418992
ACDelco Ignition Coil (Part Number: 19418992) is an ignition coil kit designed to supply high-voltage energy to spark plugs for engine...
$86.34
MSRP $138.36
Save $52.02
37.6% Off Fits Your Vehicle
Wiring Pigtail
ACDelco
PT3833
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$38.65
Fits Your Vehicle
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