Collection: GM ELECTRICAL & IGNITION PARTS | GM Service Guy

Understanding GM Electrical Systems and Parts

Keep your GM vehicle running at peak performance with our comprehensive selection of electrical and ignition parts. From ignition coils, spark plugs, and distributor caps to alternators, starters, and wiring harnesses, we carry the components you need to restore reliable power and performance to your Chevrolet, GMC, Buick, Cadillac, or Pontiac.

Our GM electrical and ignition parts are sourced to meet OEM specifications, ensuring a precise fit and long-lasting durability. Whether you're diagnosing a no-start condition, replacing a faulty crankshaft position sensor, or upgrading your ignition system for better fuel efficiency, we have the right part at the right price.

Shop with confidence knowing every part is backed by quality assurance and fast shipping. Browse our full catalog of GM electrical and ignition components and get your vehicle back on the road — the right way, the first time.

The Importance of GM Electrical Components

GM electrical parts play a vital role in the overall functioning of your vehicle. These components control everything from engine ignition to lighting and electrical accessories. Properly functioning electrical parts ensure your GM vehicle runs smoothly and efficiently. When these parts fail, you may experience issues like starting problems, dim lights, or total electrical system failure. That’s why having access to reliable GM electrical components is crucial for maintaining vehicle performance and safety.

Types of GM Electrical and Ignition Parts

Your GM vehicle contains various electrical and ignition parts such as ignition coils, alternators, starters, sensors, and wiring harnesses. Each part has a specific function within the electrical system to support starting power, battery charging, and vehicle electronics. Selecting quality parts designed specifically for GM ensures compatibility and longevity, helping your vehicle operate as intended without unwanted downtime or repairs.

Tips for Maintaining GM Electrical Systems

Regular maintenance is key to keeping your GM electrical system operating perfectly. Routinely check for loose connections, corroded wires, and functioning fuses. Replacing worn ignition parts can also prevent starting issues and poor engine performance. Using original GM electrical parts guarantees better fit and reliability. Consulting with trusted service providers like GM Service Guy helps you find the exact components needed to keep your vehicle’s electrical systems in prime condition.

 

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202 products

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  • ALTERNATOR CS130 140AMP GM

    Regular price $330.99 USD
    Regular price Sale price $330.99 USD
    ALTERNATOR CS130 140AMP GM
  • ALTERNATOR GM CS130D 165A NATU

    Regular price $308.99 USD
    Regular price Sale price $308.99 USD
    ALTERNATOR GM CS130D 165A NATU
  • ALTERNATOR GM CS130D 165A BLK

    Regular price $348.99 USD
    Regular price Sale price $348.99 USD
    ALTERNATOR GM CS130D 165A BLK
  • ALTERNATOR HI-AMP 220A SB CHRO

    Regular price $609.99 USD
    Regular price Sale price $609.99 USD
    ALTERNATOR HI-AMP 220A SB CHRO
  • ALTERNATOR 140AMP GM CS130 POL

    Regular price $330.99 USD
    Regular price Sale price $330.99 USD
    ALTERNATOR 140AMP GM CS130 POL
  • ALTERNATOR HIGH AMP 220A GM AD

    Regular price $542.99 USD
    Regular price Sale price $542.99 USD
    ALTERNATOR HIGH AMP 220A GM AD
  • CCE Fog Light Conversion Kit | 2023+ Colorado ZR2

    Regular price From $364.95 USD
    Regular price Sale price From $364.95 USD
    CCOE Fog Light Conversion Kit for 2023+ Colorado ZR2 with light mounts and harnesses, shown installed on vehicle.
  • 315/433 MHz ID46 Chip Remote Car Key for Chevy Tahoe, Silverado, Suburban, GMC Sierra, Yukon & Acadia – HYQ1AA / HYQ1EA

    Regular price From $42.20 USD
    Regular price $0.00 USD Sale price From $42.20 USD
    Gm Service Guy 315/433 MHz ID46 chip remote car key for Chevy Tahoe, Silverado, GMC Sierra, Yukon, and Acadia, with key blade visible
  • Keyless Entry Remote Key Fob for 2007–2016 Chevy Silverado, Tahoe, GMC Sierra, Buick Enclave & More – OE# 15913421, OUC60270

    Regular price $26.77 USD
    Regular price $0.00 USD Sale price $26.77 USD
    GM Service Guy keyless entry remote key fob for Chevy Silverado, Tahoe, GMC Sierra, Buick Enclave, OE# 15913421
  • Metal Key Fob Cover & Case for 2017–2019 Chevy Tahoe, Silverado, Suburban, GMC Sierra, Yukon & Acadia – 3/4/5/6-Button

    Regular price From $32.95 USD
    Regular price $0.00 USD Sale price From $32.95 USD
    Metal key fob cover for 2017–2019 Chevy Tahoe, Silverado, GMC Sierra, Yukon, and Acadia with 3 to 6 buttons, by Gm Service Guy.
  • RSGM7: Remote Start Kit | 2014-2023 Select GM Trucks | 2010-2024 GM Vehicles | Key-to-Start | Includes Programmer

    Regular price $299.99 USD
    Regular price $299.99 USD Sale price $299.99 USD
    Kleinn Automotive RSGM7 remote start kit for 2014-2023 GM trucks and 2010-2024 GM vehicles with key-to-start system, includes programmer.
  • RSGM6: Remote Starter Kit | 2020-2023 GM Trucks | Select 2010-2024 GM Vehicles | Push-to-Start | Includes Programmer

    Regular price $299.99 USD
    Regular price $299.99 USD Sale price $299.99 USD
    Kleinn RSGM6 remote starter kit for 2010-2014 GM trucks and vehicles with push-to-start, includes programmer for remote start installation.
  • DIRECT FIT TRAIN HORN AND ONBOARD AIR SYSTEMS FOR 2007-2019 GM 2500HD/3500HD

    Regular price From $1,099.95 USD
    Regular price $1,099.95 USD Sale price From $1,099.95 USD
    Kleinn automotive direct-fit train horn and onboard air system installed in a 2007-2019 GM 2500HD/3500HD truck.
  • DIRECT FIT TRAIN HORN AND ONBOARD AIR SYSTEMS FOR 2007.5 - 2018 GM 1500

    Regular price From $1,199.95 USD
    Regular price $1,199.95 USD Sale price From $1,199.95 USD
    Kleinn GM 1500 direct-fit train horn and onboard air system installed in a vehicle, designed for 2007.5-2018 GM 1500 trucks.
  • RSGM12: Remote Start Kit 2003-2006 (2007 Classic) Chevy/GMC Full-size Trucks and SUVs

    Regular price $309.99 USD
    Regular price $309.99 USD Sale price $309.99 USD
    Kleinn RSGM12 remote start kit for 2003-2006 Chevy/GMC full-size trucks and SUVs, includes remote control and installation components.
  • 2-Button Flip Folding Key Shell with Uncut Blade for Chevrolet Cruze, Opel/Vauxhall Astra, Insignia & Zafira

    Regular price $15.95 USD
    Regular price $0.00 USD Sale price $15.95 USD
    GM Service Guy 2-button flip key shell with uncut blade for Chevrolet Cruze, Aveo, Spark, Malibu, Impala, Camaro, Astra, Zafira