2003 CADILLAC ESCALADE Ignitions & Electrical

Ignition Coil, Blaster OEM Replacement, D580 Style, Cadillac, Chevy, GMC, Pontiac, 5.3, 5.7, 6.0, 8.1L, Set of 8

Part Number: MSD-826283

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

Spark Plug, Resistor, Iridium Tip, Copper Core, 14mm Thread Size, 0.708 in. Reach, Tapered Seat, Each

Part Number: ATL-XP5245

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Spark Plug Wires, Race Series, 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

Starter; High Torque; 168 Tooth Flywheel; Staggered Pad Mount; Chrome

Part Number: PWM-13510

3.67 out of 5 stars ( 3 )

Estimated Ship Date: May 4, 2026 if ordered today

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• Special Order

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: Today

Computer Programmer, Gas Evolution CS2, Cadillac, Chevy, Dodge, Ford, GMC, Hummer, Isuzu, Lincoln, Each

Part Number: EGE-85350

3.93 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Spark Plug Wire Sets, Street Fire, Assembled, Coil Pack Terminal Ends, Spiral Core, Black, 8.00mm Diameter, Chevrolet, GMC, 4.8L, 5.3L, 6.0L, Set

Part Number: MSD-5574

4.57 out of 5 stars ( 23 )

Estimated Ship Date: Today

Alternator, Internal Regulator, 12 V, 145 amps, Natural Finish, Serpentine Pulley, Each

Part Number: SUM-810347

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ADO-PT3846

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Wiring Harness, Plug-N-Play Pass-Through, Each

Part Number: MPA-76404-01A

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Blue, 9" Leads, OEM Spark Plug Boots With Heat Shields Installed, LS, V8, Set

Part Number: SUM-867828WS

Not Yet Reviewed

Estimated Ship Date: Today

Ignition Coil Wiring Harness, Each

Part Number: ADO-356G

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Coolant Temperature Sensor, Each

Part Number: SMP-TX89

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, 8.1L, Each

Part Number: MSD-8264

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Coil Covers, Aluminum, Matte Black Powdercoated with Ball Milled Grooves, Chevy, LS, With Oil Fill Cutout, Pair

Part Number: EMS-MS109-04HL

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

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 ( 6 )

Estimated Ship Date: Today

• $25 Summit Bucks

Oxygen Sensor, 4-Wire, 0-1 V, Chevy, GMC, 5.3L, V8, Each

Part Number: NGK-21546

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

NTK Engine Crankshaft Position Sensor

Part Number: NGK-EH0157

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: TAY-51044

4.47 out of 5 stars ( 15 )

Estimated Ship Date: Today

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Red, 12" Leads, OEM Spark Plug Boots With Heat Shields Installed, LS, V8, Set

Part Number: SUM-867830RWS

Not Yet Reviewed

Estimated Ship Date: Today

Sensor, MAP, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Hummer, Isuzu, Saab, Saturn, Each

Part Number: DFP-PS10000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $15 Summit Bucks

Modules, LED, Each

Part Number: PPP-20-702

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

Vehicle Speed Sensor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, Each

Part Number: ADO-213-1701

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Saturn, Each

Part Number: DNP-234-4651

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today