2003 CHEVROLET SILVERADO-2500-HD Ignitions & Electrical

Monitor, Trinity 2 MX Performance, Monitor Only, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Hummer, Isuzu, Jeep, Mazda, Pontiac, Ram, Each

Part Number: DBL-9050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Spark Plug Wires, 88 Series, Street / Strip, 8.5mm, Black, 50 Ohm, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-887830

4.13 out of 5 stars ( 30 )

Estimated Ship Date: Today

• Free Shipping

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828

4.14 out of 5 stars ( 14 )

Estimated Ship Date: Today

Alternators and Generators, Elite Series Alternators, 12 V, 320 amp, Serpentine, Gloss Black, Buick, Cadillac, Chevy, GMC, Hummer, Olds, Pontiac, Each

Part Number: MEH-8206320B

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

MAP Sensors, Gold Manifold Absolute Pressure Sensors, GM Style, Chevrolet, GMC, Each

Part Number: ADO-19418812

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Mass Airflow Sensor, Electronics, Chevy, GMC, Each

Part Number: ADO-213-4115

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping
• $20.00 Summit Bucks

HP Tuner, MPVI4, Pro Feature Set, 6 Universal Credits, Kit

Part Number: HPT-M04-000-06

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

ABS Control Module, Chevrolet/GMC, 6.0/6.6/8.1L, Each

Part Number: ADO-19417940

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $50.00
• Free Shipping
• $20.00 Summit Bucks

Vehicle Speed Sensor, Buick, Chevrolet, GMC, Each

Part Number: ADO-24203876

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Sensor, MAP, GM Style, Each

Part Number: ADO-213-4434

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Coolant Temperature Sensor, Each

Part Number: SMP-TX89

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Horn, OE Replacement, Low Tone, 12 V, Buick, Cadillac, Chevy, GMC, Kit

Part Number: ADO-84594590

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Starter, PowerMAX, Mini, Standard Rotation, Chrome, Chevy, GMC, Pontiac, Each

Part Number: PWM-19109

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ADO-213-1161

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Power Window Switch, Master Switch, 8 Buttons, Black/Brown, Plastic, Illuminated, Cadillac, Chevy, GMC, Each

Part Number: RNB-901-075

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Ignition Coil Covers, Aluminum, Black Powdercoated, Chevy GM, LS/LSX, Gen III/IV, Pair

Part Number: SUM-440700

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Spark Plug Wire Sets, Race Series, Assembled, Spiral Core, Coil Pack Terminal Ends, Red Wires, 10mm Diameter, Cadillac, Chevrolet, Small Block LS, Set

Part Number: DFR-PWJ121

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Alternators and Generators, Professional Remanufactured Alternators, Delco AD244 Case Style, 12 V, 145 amps, Serpentine Pulley, Chevy, GMC, Hummer

Part Number: ADO-334-2529A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $34.00
• Free Shipping
• $20.00 Summit Bucks

Knock Sensor, Replacement, Wiring Harness, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Kit

Part Number: SMP-KS116K

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Wiring Harness Connector, Replacement, OEM Type, Male, 2-pin, Black, Buick, Cadillac, Chevy, GMC, Pontiac, Saturn, Suzuki, Each

Part Number: ADO-PT2183

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-4713

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

Oxygen Sensors, Premium Original Equipment Type, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Each

Part Number: BCH-15282

Not Yet Reviewed

Estimated Ship Date: Today

Sensor, Coolant Temperature, Each

Part Number: ADO-15-51107

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Temperature Sender/Switch, OEM Replacement, for use on Acura®, Asuna, GM, Honda®, Isuzu, Jeep, Each

Part Number: SMP-TX3

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

Spark Plug Wire Retainer, 4-Wire, Plastic, Chevrolet, GMC, Saturn, 4 cyl., V8, Each

Part Number: NAL-88891792

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today