Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List!

Gearhead Gifts - Find the Perfect Gift
for the Gearhead on Your List!

$5 Off Your $100 Mobile App Purchase!

2003 CHEVROLET SILVERADO-2500-HD Ignitions & Electrical

Individual Parts

Results 201 - 225 of 585

Battery Hold Down Clamp, Steel, Black, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-00587

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Red, 180 Degree Boots, Cadillac/Chevy, Pontiac, LS, Set

Part Number: TAY-84244

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Sold as a Pair, Fits GM LS engines existing coil bracket mounting points, 6063-T6 aluminum, Black powder coate

Part Number: CYM-LSC-02-B

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 1, 2025 if ordered today

Spark Plug Wires, 409 Pro Race, Spiro-Wound, 10.4mm, Red, Stock Boots, Chevy, GMC, 8.1L, Set

Part Number: TAY-79286

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Alternator, Stock Replacement, Natural Finish, Buick, Cadillac, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: SUM-810353

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug, Iridium, Iridium, 14mm Thread, 0.689 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9405

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each

Part Number: ADO-R44LTSM

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

SPARK PLUG WIRE SETS, PerTronix 808224 Flame-Thrower Spark Plug Wires 8 cyl 8mm 45 Degree Boots Black

Part Number: PNX-808224

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Ignition Coil, Coil Pack Style, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: ADO-19418992

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Wiring Connector, GM 19368859, Cadillac, CTS, Gray Plastic, Each

Part Number: ADO-PT3846

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Replacement Component, IAC/TPS Mounting Hardware, Stainless, GM LS Engines, Each

Part Number: SUM-921100

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug Wire Set, High Performance, 10mm Diameter, Coil Pack, Silicone Boot, Black, Spiral Core, 30 ohms/ft., Orange Wire, Chevy, Small Block, Set

Part Number: SCW-CH-LS-T-5

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Blue, 8.00mm Diameter, 10 in. Length, Cadillac, Chevrolet, GMC, Hummer, V8, Set

Part Number: GRN-28-1545-CBBL

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 8, 2025 if ordered today

Glow Plug, Replacement, GM, 6.6L Duramax, LB7, Each

Part Number: ADO-62G

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Alternator, GM AD230 Case Style, 12 V, 105 amps, Internal Regulator, Serpentine Pulley, Cadillac, Chevy, GMC, Each

Part Number: ADO-334-2491A

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Alternators and Generators, Elite Series Billet Alternators, 12 V, 370 amps, Black Anodized, Serpentine, Buick, Cadillac, Chevy, GMC, Hummer, Each

Part Number: MEH-B8206370B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug Wires, StreeThunder, Spiro-Wound, 8mm, Black, Stock Boots, Chevy, Small Block, Set

Part Number: TAY-53005

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

GM 4.8/5.3/6.0L Trucks Coil-Near-Plug Conn Kit w / High Performance Coils

Part Number: GRN-28-1629KIT

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 2, 2025 if ordered today

Ignition Coil Cover, Aluminum, Machined, Milled Finish, Natural, Chevrolet, Pair

Part Number: CYM-LSC-01-M

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 2, 2025 if ordered today

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: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug, RS12YC, Copper Plus, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-401

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Spark Plug Wires, Coil-Near-Plug, Red, GM, LS, Set

Part Number: GRN-28-1629HTRB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 2, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 2, 2025 if ordered today

Oxygen Sensor, 4-Wire, 0-1 V, Chevy, GMC, 6.0, 7.0, 8.1L, Each

Part Number: NGK-21555

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Modules, LED, Each

Part Number: PPP-20-702

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.