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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222 products

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  • 15883429 Front Driver Side Master Power Window Switch With Folding Mirrors Compatible With 2003 2004 2005 2006 2007 Hummer H2

    Regular price $60.53 USD
    Regular price $60.53 USD Sale price $60.53 USD
    15883429 Front Driver Side Master Power Window Switch With Folding Mirrors Compatible With 2003 2004 2005 2006 2007 Hummer H2
  • 1920*1080 1080P Android 10.0 for Chevrolet GMC Acadia 2007-2012 Car Radio Video Audio 13.3'' Rotatable 360 6G 128G Style

    Regular price $907.95 USD
    Regular price $907.95 USD Sale price $907.95 USD
    1920*1080 1080P Android 10.0 for Chevrolet GMC Acadia 2007-2012 Car Radio Video Audio 13.3'' Rotatable 360 6G 128G  Style
  • Car Front Left Power Window Master Control Switch for GMC Acadia 2007-2016 20945224 Car Accessories

    Regular price $15.76 USD
    Regular price $15.76 USD Sale price $15.76 USD
    Car Front Left Power Window Master Control Switch for GMC Acadia 2007-2016 20945224 Car Accessories
  • 15832311 A/C Heater Climate Control Module Panel Switch For Hummer H2 Cadillac Escalade Chevy GMC Sierra Avalanche Silverado

    Regular price $106.52 USD
    Regular price $106.52 USD Sale price $106.52 USD
    15832311 A/C Heater Climate Control Module Panel Switch For Hummer H2 Cadillac Escalade Chevy GMC Sierra Avalanche Silverado
  • 9.7inch Android 15 For Hummer H2 2002-2007 Car Radio Multimedia Navigation 4G GPS Wireless Carplay Screen Stereo

    Regular price From $204.06 USD
    Regular price $204.06 USD Sale price From $204.06 USD
    9.7inch Android 15 For Hummer H2 2002-2007 Car Radio Multimedia Navigation 4G GPS Wireless Carplay Screen Stereo
  • E3689M 19133483 Fuel Pump Assembly for Hummer H2 6.0L

    Regular price $127.57 USD
    Regular price $127.57 USD Sale price $127.57 USD
    E3689M 19133483 Fuel Pump Assembly for Hummer H2 6.0L
  • Electric Power Seat Heater Switch Control Button 15116862 for Chevrolet Escalade Tahoe Yukon Avalanche 2003 2004 2005 2006

    Regular price $15.12 USD
    Regular price $15.12 USD Sale price $15.12 USD
    Electric Power Seat Heater Switch Control Button 15116862 for Chevrolet Escalade Tahoe Yukon Avalanche 2003 2004 2005 2006
  • Genuine Car Auto Ecm Ecu 12612397 Engine Parts Electronic Control Controller Unit Module Computer For Chevy Chevrolet

    Regular price $124.85 USD
    Regular price $124.85 USD Sale price $124.85 USD
    Genuine Car Auto Ecm Ecu 12612397 Engine Parts Electronic Control Controller Unit Module Computer For Chevy Chevrolet
  • Heater Blower Motor Resistor 22807122 For Chevrolet Silverado 1500 2500 Tahoe

    Regular price $25.39 USD
    Regular price $25.39 USD Sale price $25.39 USD
    Heater Blower Motor Resistor 22807122 For Chevrolet Silverado 1500 2500 Tahoe
  • NEVOSA 15746570 Car Window Switch For Chevrolet Silverado Suburban Avalanche GMC Sierra Tahoe Yukon 19259961 15069351 15720127

    Regular price From $6.92 USD
    Regular price $6.92 USD Sale price From $6.92 USD
    NEVOSA 15746570 Car Window Switch For Chevrolet Silverado Suburban Avalanche GMC Sierra Tahoe Yukon 19259961 15069351 15720127
  • Heated Side Mirror Glass Left Right For Cadillac Escalade Yukon Chevrolet Suburban Silverado GMC Sierra Tahoe Avalanche Sierra

    Regular price From $12.49 USD
    Regular price $12.49 USD Sale price From $12.49 USD
    Heated Side Mirror Glass Left Right For Cadillac Escalade Yukon Chevrolet Suburban Silverado GMC Sierra Tahoe Avalanche Sierra
  • Car Clear Fog Light Driving Lamps For Chevy Avalanche Suburban Tahoe For GMC 2007-2013 15839896

    Regular price From $12.73 USD
    Regular price $12.73 USD Sale price From $12.73 USD
    Car Clear Fog Light Driving Lamps For Chevy Avalanche Suburban Tahoe For GMC 2007-2013 15839896
  • New Power Seat Switch Control For Chevrolet Escalade Tahoe Yukon Avalanche 2003-2006 15116862 15116863

    Regular price $24.94 USD
    Regular price $24.94 USD Sale price $24.94 USD
    New Power Seat Switch Control For Chevrolet Escalade Tahoe Yukon Avalanche 2003-2006 15116862 15116863
  • 15136039 Transfer Case Selector Dash Switch For Chevrolet Tahoe Suburban For GMC Sierra Silverado Cadillac Avalanche 19259313

    Regular price $13.64 USD
    Regular price $13.64 USD Sale price $13.64 USD
    15136039 Transfer Case Selector Dash Switch For Chevrolet Tahoe Suburban For GMC Sierra Silverado Cadillac Avalanche 19259313
  • For Chevrolet Avalanche Express Silverado GMC Savana Sierra Yukon Hummer H2 Driver Information Center Switch 2007-2013 5947841

    Regular price $20.10 USD
    Regular price $20.10 USD Sale price $20.10 USD
    For Chevrolet Avalanche Express Silverado GMC Savana Sierra Yukon Hummer H2 Driver Information Center Switch 2007-2013 5947841
  • Headlight Fog Light Switch 25858705 for 2007-2013 Chevrolet Avalanche Silverado Suburban Tahoe GMC Sierra Yukon 15096895 D1527J

    Regular price $26.34 USD
    Regular price $26.34 USD Sale price $26.34 USD
    Headlight Fog Light Switch 25858705 for 2007-2013 Chevrolet Avalanche Silverado Suburban Tahoe GMC Sierra Yukon 15096895 D1527J