2003 CHEVROLET BLAZER Ignitions & Electrical

ACDelco Replacement Relays 13500114

Relay, Multi Purpose, High Power, General, 8386, Each

Part Number: ADO-13500114

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires SUM-867650R

Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires SUM-867650R

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Red, Chevy / GMC, Vortec Flat Cap, 4.3L, V6, Set

Part Number: SUM-867650R

4.47 out of 5 stars ( 15 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco Remanufactured Starters 88864298

Starter, Delco Style, Standard Rotation, Black/Natural, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: ADO-336-1925A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Delphi Throttle Position Sensors SS10382

Throttle Position Sensor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: DFP-SS10382

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Standard Motor Crankshaft Position Sensors PC123

Crank Sensor, OEM Replacement, Chevy, GMC, Pickup, SUV, Van, 4.3L V6, 5.0, 5.7L V8, Each

Part Number: SMP-PC123

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Delphi Ignition Coils CE20003

Ignition Coil, Socket, E-core Style, Square, Black, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu

Part Number: DFP-CE20003

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco Wiring Connectors 88862305

Wiring Pigtails, Replacement, Female Wire Connector Type, for Hyundai, AMC, Cadillac, Chevy, Chrysler, Ford, Geo, GMC, Jeep, Ram, Saturn, Suzuki, Each

Part Number: ADO-PT2386

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Standard Motor Wiring Connectors TX3A

Wiring Pigtail, Coolant Temperature Sensor, Each

Part Number: SMP-TX3A

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Delphi Engine Coolant Temperature Sensors TS10075

Coolant Temperature Sensor, OEM, Brass, Natural, for use on Acura®, Honda®, Chevy, Isuzu, Each

Part Number: DFP-TS10075

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco Replacement Wiring Harness Connectors 12101937

Wiring Harness Connector, Replacement, Multipurpose, Male, 2-pin, Gray, Each

Part Number: ADO-PT209

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACCEL Distributor Caps 120142

Distributor Cap, Crab Style, Black, Screw-Down, Chevy, 90 Degree V6, Each

Part Number: ACC-120142

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

SCT Replacement Micro USB Cables 4520

Computer Programmer Accessory, Micro USB Cable, Replacement, iTSX, Livewire TS+, X4, Each

Part Number: SCL-4520

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATP Automatic Transmission Wiring Harnesses CE-9

Automatic Transmission Wiring Harnesses, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ATP-CE-9

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

...Loading

Estimated Ship Date: May 12, 2026 if ordered today

Bosch OE Iridium Spark Plugs 9601

Spark Plug, OE Iridium, Iridium, 14mm Thread, 0.750 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: BCH-9601

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco Spark Plug Wire Looms 12163607

Spark Plug Wire Looms, Plastic, Black, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Saturn, Kit

Part Number: ADO-12163607

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Davis Unified Ignition Screamin' Demon Coils 31731

Ignition Coil Pack, Screamin' Demon, Square, Epoxy Filled, Black, 45,000 V, Each

Part Number: DUI-31731

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Summit Racing™ Street Series 500 Ohm 8mm Ignition Wires SUM-877650

Spark Plug Wires, Summit Street Series, 8mm, 500 Ohm, Black, Chevy, GMC, Oldsmobile, 4.3L Vortec Flat Cap, V6, Set

Part Number: SUM-877650

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

SCT Livewire Vision Performance Monitors 5015PWD

Computer Programmer, SCT Livewire Vision Performance Monitor, Hand-held, Each

Part Number: SCL-5015PWD

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

...Loading

Estimated Ship Date: May 14, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

SCT X4 Power Flash Programmers 7015

4.25 out of 5 stars ( 75 )

Estimated Ship Date: Today

...Loading

Standard Motor Coolant Temperature Sensors TX3K

Coolant Temperature Sensor, Replacement, for use on Honda®, AM General, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Jeep, Olds, Pontiac, Each

Part Number: SMP-TX3K

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco GM Genuine Parts Ignition Module Heat Sinks 10474610

Ignition Module Heat Sink, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-10474610

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Standard Motor Coolant Temperature Sending Units TX3T

Sending Unit, Temperature, 3/8 in. NPT, Each

Part Number: SMP-TX3T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Autolite Double Platinum Spark Plugs PP605

Spark Plug, Double Platinum, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-APP605

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

PerTronix Flame-Thrower Plug and Play Billet Distributors with Ignitor II® Module D107710

Distributor, Plug and Play, Hall Effect Pickup, Vacuum/Mechanical Advance, Black Cap, Buick, Chevy, 3.3, 3.8, 4.3L, Each

Part Number: PNX-D107710

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NTK Oxygen Sensors 21516

Oxygen Sensor, 4-Wire, 0-1 V, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, V6/V8, Each

Part Number: NGK-21516

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Champion Iridium Spark Plugs 9404

Spark Plug, Iridium, Gasket Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-9404

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today