1999 GMC SIERRA-1500 Ignitions & Electrical

Spark Plug Wire Set, 7mm. Diameter, Spiral Core, Black, Chevy, Cadillac, GMC, Hummer, Set

Part Number: ADO-9748HH

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Red, 180 Degree Boots, Chevy, Pontiac, 5.7L, 6.2L, Set

Part Number: MOR-73682

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

Alternator, Elite Series Billet, 12 V, 250 amps, Gloss Black Anodized, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Hummer, Olds, Pontiac, Each

Part Number: MEH-B8206250B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Spark Plug Wires, Street/Strip, 8.5mm, Black, Straight Boots,Chevy GM, LS/LSX, Gen III/IV, Set

Part Number: SUM-887828

4.42 out of 5 stars ( 26 )

Estimated Ship Date: Today

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, 0.689 in. Reach, Resistor, Each

Part Number: ADO-14

4.52 out of 5 stars ( 25 )

Estimated Ship Date: Today

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, 4.8, 5.3, 6.0L, Set of 8

Part Number: MSD-82638

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Oxygen Sensor, 4-wire, Cadillac, Chevy, GMC, Each

Part Number: ADO-AFS138

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Alternator, Street, 180 Amps, Natural Finish, Serpentine, Chevy, GMC, Hummer, Isuzu, Each

Part Number: PWM-8237

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Starter, Super, Severe-Duty, Mini, 168-tooth, Natural Aluminum, Chevy, GMC, Small Block LS, Each

Part Number: TIL-54-40011

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Starter, Standard Rotation, Zinc/Natural, GM, LS Engines, Each

Part Number: MRG-51302ZG

Not Yet Reviewed

Estimated Ship Date: Today

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Spark Plug Wires, 409 Pro Race, Spiro-Wound, 10.4mm, Black, 180 Degree Boots, Chevy, Pontiac, 5.7L, LS1, Set

Part Number: TAY-79003

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

Starter, XS Torque, Mini, Chrome Plated, Chevy, LS, Each

Part Number: PWM-19509

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Ignition Coil, Street Fire, Coil Pack, Black, Chevy, Pontiac, LS1/LS6, Set of 8

Part Number: MSD-55088

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Ignition Module, Professional, Buick, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: ADO-19435467

Not Yet Reviewed

Estimated Ship Date: Today

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Alternator, GM AD244, Internal Regulator, 220 Amp, Chrome, Cadillac, GMC, Each

Part Number: TSN-ES1024C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Knock Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DFP-AS10017

4.35 out of 5 stars ( 26 )

Estimated Ship Date: Today

• $15.00 Summit Bucks

Sensor, Ignition Knock Sensor, Replacement, Each

Part Number: HLN-2KNC0025KIT

4.0 out of 5 stars ( 3 )

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: Oct 7, 2025 if ordered today

• Drop Ship
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• Special Order

Spark Plug Wires, Spiro-Pro, Assembled, 8mm, Spiral Core, Red, 11.750 in. Long, Chevy, GMC, Small Block, Set

Part Number: TAY-76246

4.62 out of 5 stars ( 21 )

Estimated Ship Date: Today

Alternator, Delco Remy, 12/14/16 V, 105 amps, Internal Regulator, Serpentine Pulley, Cadillac, Chevy, GMC

Part Number: ADO-335-1086

4.32 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Knock Sensor Wiring Harness, OEM Replacement, Buick, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: RNB-917-033

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Today

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, for use on Acura®, Buick, Cadillac, Chevrolet, Daewoo, GMC, Honda®, Oldsmobile, Pontiac, Each

Part Number: DNP-234-4012

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ignition Coil, LSX High Performance, Epoxy, Square, Red, GM LS1/LS6, Set of 8

Part Number: PFS-30500

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Ignition Coil, Street Fire, Coil Pack, Black, Buick, Chevy, GMC, Set of 8

Part Number: MSD-55098

4.76 out of 5 stars ( 17 )

Estimated Ship Date: 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-28-1629-HTR

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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