2003 CHEVROLET SILVERADO 2500 HD Ignitions & Electrical - In Stock Filter Options - Vendor In Stock Filter Options

Champion Iridium Spark Plugs 9402

Spark Plug, Iridium, Tapered Seat, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-9402

Not Yet Reviewed

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ACDelco GM Genuine Parts HVAC Blower Motor Resistors 22807122

Blower Motor Resistor, GM OE HVAC, Cadillac, Chevy, GMC, Each

Part Number: ADO-22807122

5.0 out of 5 stars ( 1 )

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Nitrous Outlet Switch Panels 00-11010

Nitrous Outlet Switch Panels 00-11010

Switch Panel, Right Storage Compartment Mount, Aluminum, Black, 4 Switches, Chevy, Each

Part Number: NXO-00-11010

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Granatelli Motor Sports GM High Performance Coil Near Plug Wire Sets 28-1629-CBBL

Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Blue, 8.00mm Diameter, 12 in. Length, GM, V8, Set

Part Number: GRN-28-1629-CBBL

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Granatelli Motor Sports Spark Plug Wires 28-1629HTL

Spark Plug Wire Sets, Assembled, Solid Core, Black, 8.00mm Diameter, Cadillac, Chevrolet, GMC, Hummer, Pontiac, V8, Set

Part Number: GRN-28-1629HTL

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Nitrous Outlet Switch Panels 00-11009

Switch Panel, Left Storage Compartment Mount, Aluminum, Black, 4 Switches, Chevy, Each

Part Number: NXO-00-11009

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Granatelli Motor Sports GM High Performance Coil Near Plug Wire Sets 28-1629HTYB

Spark Plug Wires, GM High Performance Coil Near Plug Wire Set, Assembled, Spiral Core, 8mm, Yellow, Straight Black Boots, Chevy, GMC, Pontiac, LS, Set

Part Number: GRN-28-1629HTYB

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Taylor Spiro-Pro Spark Plug Wire Sets 74644

Spark Plug Wires, Spiro-Pro, 8mm, Blue, Straight Boots, Chevy, Pontiac, LS1, LS6, Set

Part Number: TAY-74644

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Standard Motor Throttle Position Sensors TH602

Throttle Position Sensor, Replacement, Buick, Chevrolet, GMC, Hummer, Isuzu, Workhorse, Workhorse Custom Chassis, Each

Part Number: SMP-TH602

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Dorman Glow Plug Straps 904-109

Glow Plug Straps, GM, Pickup, Duramax Diesel, Pair

Part Number: RNB-904-109

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Standard Motor Engine Oil Level Sensors FLS-63

Switch - Misc.

Part Number: SMP-FLS63

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Delphi XS Ignition Wire Sets XS10542

Spark Plug Wire Set

Part Number: DFP-XS10542

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

PerTronix Flame-Thrower Ignition Coils 30811

Ignition Coil, Flame-Thrower, Coil Pack, Epoxy Construction, Black, Square, Chevy, GMC, Each

Part Number: PNX-30811

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Granatelli Motor Sports Spark Plug Wires 28-1629HTBL

Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Blue Wires, 8.00mm Diameter, Cadillac, Chevrolet, GMC, Hummer, Pontiac, V8, Set

Part Number: GRN-28-1629HTBL

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Granatelli Motor Sports Spark Plug Wires 28-1629HTR

5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Hinson Motorsports 500 Ohm Spark Plug Wire Sets 8002

Spark Plug Wire Sets, 500 Ohm, Assembled, Spiral Core, Red Wires, 8.50mm Diameter, Buick, Chevrolet, GMC, Small Block LS, Set of 8

Part Number: HMI-8002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Standard Motor Wiring Connectors S-575

Wiring Pigtails, 2-pin, Male, Black, for Hyundai, for Kia, Buick, Cadillac, Chevy, Dodge, Fiat, Genesis, GMC, Isuzu, Jeep, Saab, Saturn, Suzuki, Each

Part Number: SMP-S575

Not Yet Reviewed

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Dorman 4WD Engagement Switches 901-072

Switch, 4WD Engagement, Push Button, Lighted, Plastic, Black, Cadillac, Chevy, GMC, 4WD, Each

Part Number: RNB-901-072

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Granatelli Motor Sports Spark Plug Wires 28-1629S-R

Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Red Wires, 8.00mm Diameter, Cadillac, Chevrolet, GMC, Hummer, Pontiac, V8, Set

Part Number: GRN-28-1629S-R

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

PerTronix Flame-Thrower Ignition Coils 30841

Ignition Coils, Flame-Thrower, Coil Pack Style, Epoxy, Female/Socket, Square, Black, 35,000 V, Buick, Cadillac, Chevy, GMC, Hummer, LS, Each

Part Number: PNX-30841

Not Yet Reviewed

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Holstein Parts Coolant Temperature Sensors 2CTS0001

Sensor, Coolant Temperature Sensor, Replacement, Each

Part Number: HLN-2CTS0001

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Standard Motor Oxygen Sensors SG2155T

Oxygen Sensor, Replacement, Thread-in, Cadillac, Chevrolet, GMC, Each

Part Number: SMP-SG2155T

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Standard Motor Spark Plug Wire Sets 27874

Spark Plug Wires, Black Wire, Black Boots, Set

Part Number: SMP-27874

Not Yet Reviewed

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Standard Motor Starter Solenoids SS-624

Starter Solenoid, Replacement, Chevrolet, Ford, GMC, Each

Part Number: SMP-SS624

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

ATP Automatic Transmission Wiring Harnesses JE-15

Wiring Pigtail, Vehicle Speed Sensor, 2-pin, 700R4, 4L60E, 4L80E, Each

Part Number: ATP-JE15

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Dorman Power Window Switches 901-292R

Power Window Switch, OEM Style, Replacement for 5-button Switch Panel, Driver Side Front, Chevy, GMC, Each

Part Number: RNB-901-292R

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today