CADILLAC STS Ignitions & Electrical - Free Shipping on Orders Over $109 at Summit Racing

NGK Iridium IX Spark Plugs for 2006-2009 STS, XLR - TR7IX

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

Part Number: NGK-3690

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

NGK Iridium IX Spark Plugs LTR6IX-11

Spark Plug, IX Iridium, 14mm Thread, 0.984 in. Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-6509

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

ACDelco GM Genuine Parts Knock Sensors 12623730

Knock Sensor, GM, Each

Part Number: ADO-213-1576

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

NGK Ruthenium HX Spark Plugs TR5AHX

Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Reach, Tapered Seat, Each

Part Number: NGK-94567

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Standard Motor Intake Air Temperature Sensors AX1

Sensor, Intake Air Temperature, Buick, Cadillac, Chevy, GMC, Oldsmobile, Isuzu, Pontiac, Geo, Each

Part Number: SMP-AX1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

NGK Ruthenium HX Spark Plugs LTR6AHX

Spark Plug, Ruthenium HX, 14mm Thread, 25mm. Reach, Resistor, Tapered Seat, Each

Part Number: NGK-91276

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Standard Motor Coolant Temperature Sending Units TX3

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

ACDelco Replacement Relays 13500114

Relay, Multi Purpose, High Power, General, 8386, Each

Part Number: ADO-13500114

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

35 amps ACDelco Replacement Relay 13500126

Relays, Replacement, 35 amps, 12 V, 5 Blade Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-D1780C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Denso Iridium TT Spark Plugs 4719

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: DNP-4719

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Delphi Ignition Knock Sensors AS10261

Knock Sensor, Original Equipment, Each

Part Number: DFP-AS10261

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Standard Motor Coolant Temperature Sensors TX3K

Coolant Temperature Sensor, Replacement, for use on Honda®, AM General, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Jeep, Olds, Pontiac, Each

Part Number: SMP-TX3K

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

SCT Replacement Micro USB Cables 4520

Computer Programmer Accessory, Micro USB Cable, Replacement, iTSX, Livewire TS+, X4, Each

Part Number: SCL-4520

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

ACDelco Wiring Connectors 12102621

Wiring Pigtails, Replacement, Female Wire Connector Type, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-PT308

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

ACDelco Wiring Connectors 88862225

CONNECTOR,SW-ENG COOL LVL IND

Part Number: ADO-PT2306

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Denso Iridium Power Spark Plugs 5344

Spark Plug, Iridium Power, IKH20, 14mm Thread, 26.50mm Reach, Gasket Seat, Universal, Each

Part Number: DNP-5344

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 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 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

ACDelco Wiring Connectors 12102620

Wire Connectors, Pigtail Connector Style, Delphi/GM, Female, Black, Buick, Cadillac, Chevrolet, Geo, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-PT307

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

NGK Laser Iridium Spark Plugs ITR5H13

USE NIP 4713

Part Number: NGK-97287

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Standard Motor Wiring Connectors HP4240

Wiring Connector and Pigtail, 3-pin, Black, Male, 10 in. Length, for use on Acura®, for use on Honda®, for Hyundai, Buick, Chevy, Chrysler, GMC, Each

Part Number: SMP-HP4240

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

ACDelco Crankshaft Position Sensors 12615626

Crankshaft Position Sensors, ACDelco Crankshaft Position Sensors, 3-Terminal, Buick, Cadillac, Chevrolet, GMC, Saturn, Each

Part Number: ADO-213-4573

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Standard Motor Wiring Connectors S-556

Wiring Pigtails, 2-pin, Male, Black, for use on Acura®, Buick, Cadillac, Chevy, Chrysler, Geo, GMC, Isuzu, Jeep, Mitsubishi, Olds, Pontiac, Saab, Each

Part Number: SMP-S556

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air