2021 CHEVROLET SILVERADO 1500 Ignitions & Electrical

ACDelco GM Genuine Parts Knock Sensors 12623095

Knock Sensor, GM OE, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-12623095

Not Yet Reviewed

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BD Diesel Throttle Sensitivity Boosters 1057932

Throttle Response Enhancers, Throttle Sensitivity Boosters, Dodge, Ford, Jeep, Ram, Each

Part Number: BDD-1057932

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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930 CCA Braille Battery Endurance Series Battery B94R-H7-L4 BCI Group 94R/H7/L4

Battery, Endurance Series, AGM, 12 V, Deep Cycle/Starting, 930 Cold Cranking Amps, Top Terminals, Right Side Positive, Each

Part Number: BRL-B94R-H7-L4

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Digipower USA SPEED Infinity Throttle Response Controllers 21051

Throttle Response Enhancer, Speed Infinity, 6 Drive Modes, 100 Settings, Mobile Phone App, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Ram,Each

Part Number: DGP-21051

Not Yet Reviewed

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Granatelli Motor Sports Spark Plug Wires 28-1545S-R

Granatelli Motor Sports Spark Plug Wires 28-1545S-R

Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Red Wires, 8.00mm Diameter, Cadillac, Chevrolet, GMC, 6.2L Gen V, Set

Part Number: GRN-28-1545S-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Granatelli Motor Sports Malevolent Coil Packs 28-0514-CPRM

Ignition Coils, Malevolent Coil Packs, Socket, 85,000 V, Epoxy, Round, Red, Chevy, 5.3L, 6.2L, Set of 8

Part Number: GRN-28-0514-CPRM

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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ACDelco Alternators 85671416

Alternators and Generators, Replacement, 12 V, 120 amps, Internal Regulator, Serpentine Pulley, Natural Finish, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-85671416

Not Yet Reviewed

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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: Tomorrow

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PerTronix Flame-Thrower Ignition Coils 30868

Ignition Coil, Flame-Thrower, Coil Pack, Epoxy Construction, Black, Round, Cadillac, Chevy, GMC, Set of 8

Part Number: PNX-30868

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Granatelli Motor Sports GM High Performance Coil Near Plug Wire Sets 28-1629-CBR

Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Red, 8.00mm Diameter, 12 in. Length, GM, V8, Set

Part Number: GRN-28-1629-CBR

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Edge CTS3 Display Mounts 28601

Computer Programmer Accessories, CTS3 Display Mount, Chevrolet, GMC, Each

Part Number: EGE-28601

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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

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Granatelli Motor Sports GM High Performance Coil Near Plug Wire Sets 28-1545-CBBL

Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Blue, 8.00mm Diameter, 10 in. Length, Cadillac, Chevrolet, GMC, Hummer, V8, Set

Part Number: GRN-28-1545-CBBL

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

JMS Chip FuelMAX Fuel Pressure Switches JMS-LF0-HOBBS

HOBBS LOW PRESSURE SWITCH - 3-7PSI

Part Number: JMS-LF0-HOBBS

Not Yet Reviewed

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Dorman Starter Mounting Bolts 72004

Starter Mounting Bolt, Flanged Hex Head, Steel, Zinc Color, 5.00 in. Underhead Length, Buick, Cadillac, Chevy, GMC, Hummer, Olds, Pontiac, Saab, Each

Part Number: RNB-72004

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Bosch Double Iridium Spark Plugs 96307

Spark Plug, Double Iridium, Projected, 8 Heat Range, 25mm Reach, Tapered Seat, Cadillac, Chevy, GMC, Each

Part Number: BCH-96307

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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NGK Laser Iridium Spark Plugs 94956

Spark Plug, Laser Iridium, 12mm Thread, 0.984 in. Reach, 9 Heat Range, 14mm Wrench Size, ILNFR9B7G, Each

Part Number: NGK-94956

Not Yet Reviewed

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Granatelli Motor Sports Spark Plug Wires 28-1545HTBB

Spark Plug Wire, Solid Core, Black Stock Boots, LS1, LS6, LT Series, Set

Part Number: GRN-28-1545HTBB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts Starters 12732343

Starters, GM Genuine Parts, Stock Style, Staggered Mounting, Standard Rotation, Chevrolet, GMC, Each

Part Number: ADO-12732343

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts Transmission Control Modules 24049790

MODULE ASM-TRANS CONT

Part Number: ADO-24049790

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Granatelli Motor Sports Spark Plug Wires 28-1811S

Spark Plug Wires, 8mm, Blue, OEM Boots, Chevy, Small Block, LS2, Set

Part Number: GRN-28-1811S

5.0 out of 5 stars ( 14 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Dragon Fire High Performance Series Spark Plug Wire Sets PWJ256

4.5 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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DiabloSport Predator 2 Flash Programmers for 2019-2022 SIERRA 1500, SILVERADO 1500 - 7226-R

Computer Programmer, Predator 2 Flash, Chevrolet, GMC, Each

Part Number: DBL-7226-R

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Hypertech REACT Performance Throttle Enhancers 101300

Throttle Response Enhancer, REACT Performance, Each

Part Number: HYP-101300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 26, 2026 if ordered today

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Estimated Ship Date: Jun 26, 2026 if ordered today