CHEVROLET TRAILBLAZER Ignitions & Electrical - Free Shipping on Orders Over $109 at Summit Racing

Standard Motor OE Replacement Horns HN-16

Horn, OE Replacement, Low Tone, 12 V, for Nissan, AMC, BMW, Buick, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Lincoln, Porsche, Saturn, Toyota, Each

Part Number: SMP-HN16

4.8 out of 5 stars ( 15 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Dorman Knock Sensor Grommets 42003

Knock Sensor Grommet / Seal, Gen III LS Valley Cover, 2 Req'd per engine, Sold each

Part Number: RNB-42003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco GM Genuine Parts Oxygen Sensors 12590749

Oxygen Sensor, 4-wire, Buick, Chevy, GMC, Saab, Each

Part Number: ADO-213-3536

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Holley Spark Plug Wires 561-110

Spark Plug Wire Sets, Holley EFI, Cut-to-Fit, OE Coil Packs, Black Wire, 8.00mm Core, Black Silicone, Plug Boot, Straight, Chevy, LS Engine, Set

Part Number: HLY-561-110

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Standard Motor Wiring Connectors S-824

Wiring Pigtails, 2-pin, Female, Black, for Hyundai, for Kia, Cadillac, Chevy, Chrysler, Dodge, Ford, Mazda, Mercury, Subaru, Volkswagen, Volvo, Each

Part Number: SMP-S824

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Champion Platinum Power Spark Plugs 3015

Spark Plug, Platinum Power, 14mm Thread, .708 in. Reach, Resistor, Buick, Chevy, Oldsmobile, Isuzu, GMC, Each

Part Number: CPN-3015

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Standard Motor Blue Streak Premium Street Performance Spark Plug Wire Sets 10026

Spark Plug Wires, Blue Streak Performance Street, Assembled, Spiral Core, 8.5mm, Black, Set

Part Number: SMP-10026

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Powermaster HPR Large Frame Series Alternators 48550-4

Powermaster HPR Large Frame Series Alternators 48550-4

Alternator, High-Amp, 250 amp, 12 V, 1-Wire, Serpentine, Natural Finish, Denso Case, Internal Regulator with Dash Light, Cadillac, Chevy, GMC, Each

Part Number: PWM-48550-4

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Haltech Nexus Rebel LS Throttle Adapter Harnesses HT-186504

Harness Adapter, Nexus Rebel LS, Cable Operated, TPS, IAC, Chevrolet, LS, Each

Part Number: HTH-HT-186504

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

E3 Spark Plugs E3.66

Spark Plug, E3, Tapered Seat, 14mm Thread, 1.000 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-66

4.24 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ICT Billet MAP Sensor Harness Adapters WAMAP40-6

Wire Harness Adapter 6 in. LS Gen 4 (IV) Vehicle to Gen 3 MAP Sensor LS1 LS3 LSA

Part Number: ICB-WAMAP40-6

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Dorman Crankshaft Position Sensors 917-760

Magnetic Crankshaft Position Sensor

Part Number: RNB-917-760

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Scott Performance High Performance Spark Plug Wire Sets CH-LS-T-4

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

Part Number: SCW-CH-LS-T-4

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

FAST TPS Adapter Harnesses 308022

Harness Adapter, Early to Late GM TPS, Each

Part Number: FST-308022

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Standard Motor Crankshaft Position Sensors PC278

Cam Sensor, OEM Replacement, Each

Part Number: SMP-PC278

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco Replacement Wiring Harness Connectors 88988963

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: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Standard Motor OE Replacement Horns HN-18

Horn, OE Replacement, Low Tone, 12 V, for use on Acura®, for use on Honda®, AMC, Audi, BMW, Chevy, Chrysler, Dodge, Ford, Geo, GMC, Jaguar, Yugo, Each

Part Number: SMP-HN18

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Chevrolet Performance Replacement Horns 84594588

Horn, Replacement, High Note, 12 V, Buick, Cadillac, Chevy, GMC, Kit

Part Number: NAL-84594588

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco GM Genuine Parts Fuel Pressure Sensors 12708493

Fuel Pressure Sensors, GM Genuine Parts, Plastic/Steel, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12708493

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Granatelli Motor Sports Pro Series Xtreme Coil Packs 28-0513-CP

Ignition Coils, Pro Series Xtreme, Coil Pack, Socket, 80,000 V, Epoxy, Black, Chevy, Pontiac, Set of 8

Part Number: GRN-28-0513-CP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Racing™ High-Output Ignition Coils SUM-850504-1R

Ignition Coils, Coil Pack, Epoxy, Square, Red, LS, V8, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: SUM-850504-1R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ACDelco GM Genuine Parts Replacement Horns 89057196

Horn, Stock Replacement, Each

Part Number: ADO-E1903E

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Dorman Wiring Connectors 645-526

Wiring Connector Harness, Camshaft Position Sensor, 7.50 in. Length, Each

Part Number: RNB-645-526

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Standard Motor Wiring Connectors HP3840

Wiring Pigtails, 2-pin, Male, Black, for use on Acura®, Buick, Cadillac, Chevy, Chrysler, Ford, GMC, Lincoln, Mercury, Mitsubishi, Olds, Pontiac, Each

Part Number: SMP-HP3840

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air