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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  • Heated Side Mirror Glass Left Right For Cadillac Escalade Yukon Chevrolet Suburban Silverado GMC Sierra Tahoe Avalanche Sierra

    Regular price From $42.56 USD
    Regular price $0.00 USD Sale price From $42.56 USD
    Heated side mirror glass for Cadillac Escalade, Yukon, Chevrolet Suburban, Silverado, GMC Sierra, Tahoe, Avalanche from Gm Service Guy
  • New Power Seat Switch Control For Chevrolet Escalade Tahoe Yukon Avalanche 2003-2006 15116862 15116863

    Regular price $41.69 USD
    Regular price $0.00 USD Sale price $41.69 USD
    Gm Service Guy power seat switch control for Chevrolet Escalade Tahoe Yukon Avalanche 2003-2006, front seat adjustment buttons
  • 15136039 Transfer Case Selector Dash Switch For Chevrolet Tahoe Suburban For GMC Sierra Silverado Cadillac Avalanche 19259313

    Regular price $37.30 USD
    Regular price $0.00 USD Sale price $37.30 USD
    GMC transfer case selector dash switch for Chevrolet Tahoe, Suburban, GMC Sierra, Silverado, Cadillac Avalanche, Gm Service Guy.
  • For Chevrolet Avalanche Express Silverado GMC Savana Sierra Yukon Hummer H2 Driver Information Center Switch 2007-2013 5947841

    Regular price $34.71 USD
    Regular price $0.00 USD Sale price $34.71 USD
    Gm Service Guy Chevrolet Silverado GMC Sierra Yukon Hummer H2 driver information center switch 2007-2013, black plastic button
  • Headlight Fog Light Switch 25858705 for 2007-2013 Chevrolet Avalanche Silverado Suburban Tahoe GMC Sierra Yukon 15096895 D1527J

    Regular price $42.68 USD
    Regular price $0.00 USD Sale price $42.68 USD
    GM Service Guy headlight and fog light switch for Chevrolet Avalanche, Silverado, Suburban, Tahoe, GMC Sierra, Yukon models.
  • Heated Side Mirror Glass For 2007-2013 Cadillac Escalade Yukon Chevrolet Suburban Silverado GMC Sierra Tahoe Avalanche Sierra

    Regular price $38.79 USD
    Regular price $0.00 USD Sale price $38.79 USD
    Heated side mirror glass for 2007-2013 Cadillac Escalade, Yukon, Chevrolet Suburban, Silverado, GMC Sierra, Tahoe, Avalanche by GM Service Guy.
  • Mirror Control Switch For Chevrolet Silverado Tahoe Suburban Avalanche Escalade For GMC Sierra Yukon 15045085 19259975A

    Regular price $15.93 USD
    Regular price $0.00 USD Sale price $15.93 USD
    GM Service Guy mirror control switch for Chevrolet Silverado, Tahoe, Suburban, Avalanche, Escalade, GMC Sierra, Yukon vehicles.
  • 7inch Wireless Carplay Android Auto Car Radio For Chevrolet Silverado GMC Sierra Impala Traverse Avalanche Multimedia Player GPS

    Regular price From $162.24 USD
    Regular price $0.00 USD Sale price From $162.24 USD
    7-inch wireless CarPlay and Android Auto car radio for Chevrolet Silverado, GMC Sierra, Impala, Traverse, and Avalanche by Gm Service Guy.
  • 12703627 Crankshaft Position Sensor For Cadillac Chevrolet GMC Buick Pontiac G8 Grand Prix Hummer Saab 9-7x 12585546

    Regular price $34.60 USD
    Regular price $0.00 USD Sale price $34.60 USD
    GM Service Guy crankshaft position sensor for Cadillac, Chevrolet, GMC, Buick, Pontiac, Saab 9-7x, and Hummer vehicles.
  • Car Center Control Touch Screen Display for Cadillac Escalade ATS SRX XTS CTS 2013-2017

    Regular price $66.13 USD
    Regular price $0.00 USD Sale price $66.13 USD
    Car center control touch screen display for Cadillac Escalade ATS SRX XTS CTS 2013-2017 by GM Service Guy
  • Touch Screen For Cadillac CTS 2007 - 2014 Android 13.0 Car Radio Player GPS Navi Auto Stereo Multimedia Video DSP Carplay 4G SIM

    Regular price From $613.68 USD
    Regular price $0.00 USD Sale price From $613.68 USD
    Touch screen car radio player for Cadillac CTS 2007-2014 by GM Service Guy, featuring Android 13.0, GPS, Carplay, multimedia, and 4G SIM
  • Original Steering Wheel Radio Control Switch For Cadillac Escalade Chevrolet Avalanche Tahoe Traverse

    Regular price $74.69 USD
    Regular price $0.00 USD Sale price $74.69 USD
    GM Service Guy original steering wheel radio control switch for Cadillac Escalade, Chevrolet Avalanche, Tahoe, Traverse vehicles.
  • GPS Sat Nav for Cadillac Escalade/XT4/XT5/XT6/CT4/CT5/CT6 Car Navigation Update North America map SD Card GM 8571 3512

    Regular price $41.79 USD
    Regular price $0.00 USD Sale price $41.79 USD
    GM Service Guy GPS Sat Nav SD card for Cadillac Escalade, XT4, XT5, XT6, CT4, CT5, CT6 with North America maps, car navigation update
  • FOR 2018 2019 2020 2021 CADILLAC XT5 TPMS 433MHz CADILLAC TIRE PRESSURE SENSOR TIRE AIR PRESSURE SENSOR 13516165 13598773

    Regular price From $16.79 USD
    Regular price $0.00 USD Sale price From $16.79 USD
    Cadillac XT5 tire pressure sensor 2018-2021, TPMS 433MHz, GM Service Guy brand, close-up of air pressure sensor component.
  • Xhorse XKBU21EN Wire Remote Key for Buick Flip 4 Buttons English Version 1pcs

    Regular price $30.56 USD
    Regular price $0.00 USD Sale price $30.56 USD
    Xhorse XKBU21EN wire remote key for Buick with 4 flip buttons, English version, displayed with key fob and circuit board
  • 1/4PCS PDC Parking Sensor 23428269 For Cadillac CTS CT6 XT5 Escalade Buick LaCrosse GMC Yukon Chevy Tahoe

    Regular price From $26.86 USD
    Regular price $0.00 USD Sale price From $26.86 USD
    Gm Service Guy 1/4PCS PDC parking sensors for Cadillac CTS, CT6, XT5, Escalade, Buick LaCrosse, GMC Yukon, Chevy Tahoe vehicles