2003 CHEVROLET SILVERADO-2500-HD Ignitions & Electrical

Standard Relay

Part Number: SMP-RY585

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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

Part Number: GRN-28-1545-CBY

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Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: GRN-28-1629-CBB

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Blue, 8.00mm Diameter, 8 in. Length, LS, V8, Set

Part Number: GRN-28-1811-CBBL

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Yellow, 8.00mm Diameter, 8 in. Length, LS, V8, Set

Part Number: GRN-28-1811-CBY

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Estimated Ship Date: Dec 2, 2025 if ordered today

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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

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Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: GRN-28-1629SL

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ignition Coil Connector, Coil-Near-Plug

Part Number: GRN-28-1629SL-R

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Estimated Ship Date: Dec 2, 2025 if ordered today

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GM Truck / SUV 4.8L, 5.3L, 6.0L Cylindrical Coil Packs w / High Performance Wires

Part Number: GRN-28-1680KIT

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Blue Wires, 8.00mm Diameter, Chevrolet, GMC, 8.1L, Set

Part Number: GRN-28-1712S

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Red Wires, 8.00mm Diameter, Chevrolet, GMC, 8.1L, Set

Part Number: GRN-28-1712S-R

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Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: GRN-28-1629-CBY

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Black, Straight Boots, Buick, Chevy, GMC, 4.8/5.3/6.0L, Set

Part Number: TAY-82005

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Spark Plug Wire Sets, Street Thunder, Assembled, Coil Pack Terminal Ends, Spiral Core, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, V8, Set

Part Number: TAY-53044

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Estimated Ship Date: Nov 24, 2025 if ordered today

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HVAC Pressure Switch

Part Number: UAC-SW2350C

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Spark Plug Wire, Spiral Core, 7mm, Black, Stock Boots, Cadillac, Chevy, GMC, Hummer, Set

Part Number: DFP-XS10389

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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Oxygen Sensor, 4-wire, Thread-in, Chevy, GMC, Each

Part Number: DFP-ES20134

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Mass Air Flow Sensor

Part Number: DFP-AF10146

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Direct Ignition Coil

Part Number: DNP-673-7106

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Crankshaft Pos Sens

Part Number: DFP-SS12139

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Vehicle Speed Sensor

Part Number: DFP-SS10309

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Estimated Ship Date: Nov 25, 2025 if ordered today

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CUSTOM SWITCH PANEL, GM TRUCK 1999-2006, RADIO SIDE

Part Number: NEX-15773

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Ignition Coils, XR Series, Black, 50,000 Volts Max, V8, Round Truck Style, LS, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Set of 8

Part Number: FST-30387-8

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Blower Motor Resistor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Isuzu, Saab, Each

Part Number: FSS-20340

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Spark Plug Wires, Stock, OE Replacement, Black, Silicone, 7.00mm, Set

Part Number: DNP-671-8063

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 2, 2025 if ordered today

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