SKP SKIC504 Ignition Coil
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SKP

SKP SKIC504 Ignition Coil

Brand SKP SKIC504
Coil Shape Square
Fits Cadillac, Chevrolet, GMC, and Hummer · 219 vehicles

OE-spec fit. Engineered to meet or exceed OE specifications for a precise replacement.

Square coil shape. A compact design built for dependable ignition performance.

Made with premium materials for reliable starts and improved fuel efficiency.

Cross-references WAI CUF271, 12570553 and 38590782 for the same application. See all 5.

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Ignition Coil for GM V8 Applications

The SKP SKIC504 ignition coil is built for direct replacement use on a wide range of Chevrolet, GMC, Cadillac, and Hummer vehicles. With a square coil shape and OE-style fitment, it supports dependable starting, steady spark delivery, and consistent engine operation.

Compatible with many 1999-2007 Chevrolet Silverado and GMC Sierra trucks, plus Escalade, Tahoe, Yukon, and H2 applications, this ignition coil is a practical choice for common GM ignition service needs.

Key Features

  • Square ignition coil design for listed GM applications
  • Engineered to meet or exceed OE specifications
  • Built with premium materials for durability
  • Supports reliable starts and stable ignition performance
  • Helps maintain fuel efficiency when replacing a worn coil
  • SKIC504 part number for easy identification

Fitment and Application Details

This SKP ignition coil fits 1999-2007 Chevrolet Silverado 1500, 2001-2007 Chevrolet Silverado 2500 HD, 2001-2006 Chevrolet Silverado 3500, 2000-2006 Chevrolet Tahoe, 2000-2006 GMC Yukon, and related GM truck and SUV applications. It also fits 2002-2006 Cadillac Escalade, 2003-2006 Cadillac Escalade ESV, 2003-2006 Cadillac Escalade EXT, and 2003-2007 Hummer H2 models.

Part number SKIC504 cross-references WAI CUF271 for the same application.

What It Helps Fix

  • Hard starting caused by a weak or failing ignition coil
  • Engine misfire under load or at idle
  • Rough running and inconsistent spark output
  • Loss of fuel economy related to ignition performance
  • Check engine light concerns tied to coil failure

Installation Notes

Verify coil shape and connector match before installation. Confirm the vehicle year, make, model, and emissions configuration against the fitment list, including 2007 Silverado 1500 Classic with Mexico emissions and 2000-2001 Silverado 1500 with Mexico emissions. Inspect spark plugs, boots, and related ignition components during service to avoid repeat failures.

Quality Assurance

SKP states that this ignition coil is engineered to meet or exceed OE specifications and uses premium materials for reliable performance and durability.

Related reading

This part fits 219 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
2007ChevroletSilverado 1500 Classic5.3LV8—w/ Mexico Emissions
2007ChevroletSilverado 1500 Classic4.8LV8—w/ Mexico Emissions
2007ChevroletSilverado 2500 HD6.0LV8——
2007ChevroletSilverado 3500 Classic6.0LV8——
2007ChevroletSilverado 3500 HD6.0LV8——
2007GMCSierra 1500 Classic5.3LV8——
2007GMCSierra 1500 Classic4.8LV8——
2007GMCSierra 2500 HD6.0LV8GAS—
2007GMCSierra 2500 HD6.6LV8——
2007GMCSierra 2500 HD Classic6.0LV8——
2007GMCSierra 3500 Classic6.6LV8——
2007HummerH26.0LV8——
2006CadillacEscalade6.0LV8——
2006CadillacEscalade ESV6.0LV8——
2006CadillacEscalade EXT6.0LV8——
2006ChevroletAvalanche 15005.3LV8——
2006ChevroletExpress 15005.3LV8——
2006ChevroletMonte Carlo5.3LV8——
2006ChevroletSilverado 15005.3LV8——
2006ChevroletSilverado 15004.8LV8——
2006ChevroletSilverado 15006.0LV8——
2006ChevroletSilverado 1500 HD6.0LV8——
2006ChevroletSilverado 2500 HD6.0LV8——
2006ChevroletSilverado 2500 HD8.1LV8——
2006ChevroletSilverado 35006.0LV8——
2006ChevroletSilverado 35008.1LV8——
2006ChevroletSuburban 15005.3LV8——
2006ChevroletSuburban 25008.1LV8——
2006ChevroletTahoe5.3LV8——
2006ChevroletTahoe4.8LV8——
2006GMCSierra 15005.3LV8——
2006GMCSierra 15006.0LV8——
2006GMCSierra 15004.8LV8——
2006GMCSierra 2500 HD6.0LV8GAS—
2006GMCSierra 35006.0LV8——
2006GMCYukon5.3LV8——
2006GMCYukon6.0LV8——
2006GMCYukon XL 15005.3LV8——
2006GMCYukon XL 15006.0LV8——
2006HummerH26.0LV8——
2005CadillacEscalade5.3LV8——
2005CadillacEscalade6.0LV8——
2005CadillacEscalade ESV6.0LV8——
2005CadillacEscalade EXT6.0LV8——
2005ChevroletAvalanche 15005.3LV8——
2005ChevroletExpress 15005.3LV8——
2005ChevroletExpress 25006.0LV8——
2005ChevroletExpress 25004.8LV8——
2005ChevroletSilverado 15005.3LV8——
2005ChevroletSilverado 15004.8LV8——
2005ChevroletSilverado 15006.0LV8——
2005ChevroletSilverado 1500 HD6.0LV8——
2005ChevroletSilverado 2500 HD6.0LV8——
2005ChevroletSilverado 35006.0LV8——
2005ChevroletSilverado 35008.1LV8——
2005ChevroletSuburban 15005.3LV8——
2005ChevroletSuburban 25006.0LV8——
2005ChevroletTahoe5.3LV8——
2005ChevroletTahoe4.8LV8——
2005GMCC5500 Topkick8.1LV8——
2005GMCSavana 15005.3LV8——
2005GMCSavana 25006.0LV8——
2005GMCSavana 25004.8LV8——
2005GMCSavana 35006.0LV8——
2005GMCSavana 35004.8LV8——
2005GMCSierra 15005.3LV8——
2005GMCSierra 15006.0LV8——
2005GMCSierra 15004.8LV8——
2005GMCSierra 2500 HD6.0LV8——
2005GMCSierra 2500 HD6.6LV8——
2005GMCSierra 35006.6LV8——
2005GMCSierra 35006.0LV8——
2005GMCSierra 35008.1LV8——
2005GMCYukon5.3LV8——
2005GMCYukon6.0LV8——
2005GMCYukon4.8LV8——
2005GMCYukon XL 15005.3LV8——
2005GMCYukon XL 15006.0LV8——
2005HummerH26.0LV8——
2005WorkhorseW228.1LV8——
2004CadillacEscalade5.3LV8——
2004CadillacEscalade6.0LV8——
2004CadillacEscalade ESV6.0LV8——
2004CadillacEscalade EXT6.0LV8——
2004ChevroletAvalanche 15005.3LV8——
2004ChevroletExpress 15005.3LV8——
2004ChevroletExpress 25005.3LV8——
2004ChevroletExpress 25006.0LV8——
2004ChevroletExpress 25004.8LV8——
2004ChevroletExpress 35006.0LV8——
2004ChevroletSilverado 15005.3LV8——
2004ChevroletSilverado 15004.8LV8——
2004ChevroletSilverado 15006.0LV8——
2004ChevroletSilverado 25006.0LV8——
2004ChevroletSilverado 2500 HD6.0LV8——
2004ChevroletSilverado 2500 HD8.1LV8——
2004ChevroletSilverado 35006.0LV8——
2004ChevroletSuburban 15005.3LV8——
2004ChevroletSuburban 25006.0LV8——
2004ChevroletTahoe5.3LV8——
2004ChevroletTahoe4.8LV8——
2004ChevroletTrailblazer EXT5.3LV8——
2004GMCSavana 25006.0LV8——
2004GMCSavana 25004.8LV8——
2004GMCSavana 35006.0LV8——
2004GMCSavana 35004.8LV8——
2004GMCSierra 15005.3LV8——
2004GMCSierra 15004.8LV8——
2004GMCSierra 25006.0LV8——
2004GMCSierra 2500 HD6.0LV8——
2004GMCSierra 2500 HD6.6LV8——
2004GMCSierra 35006.6LV8——
2004GMCYukon5.3LV8——
2004GMCYukon6.0LV8——
2004GMCYukon4.8LV8——
2004GMCYukon XL 15005.3LV8——
2004GMCYukon XL 15006.0LV8——
2004HummerH26.0LV8——
2003CadillacEscalade5.3LV8——
2003CadillacEscalade6.0LV8——
2003CadillacEscalade ESV6.0LV8——
2003CadillacEscalade EXT6.0LV8——
2003ChevroletAvalanche 15005.3LV8——
2003ChevroletExpress 15005.3LV8——
2003ChevroletExpress 25005.3LV8——
2003ChevroletExpress 25006.0LV8——
2003ChevroletExpress 25004.8LV8——
2003ChevroletExpress 35006.0LV8——
2003ChevroletSilverado 15005.3LV8——
2003ChevroletSilverado 15004.8LV8——
2003ChevroletSilverado 15006.0LV8——
2003ChevroletSilverado 1500 HD6.0LV8——
2003ChevroletSilverado 25006.0LV8——
2003ChevroletSilverado 2500 HD6.0LV8——
2003ChevroletSilverado 2500 HD8.1LV8——
2003ChevroletSilverado 35006.0LV8——
2003ChevroletSilverado 35008.1LV8——
2003ChevroletSuburban 15005.3LV8——
2003ChevroletSuburban 25006.0LV8——
2003ChevroletTahoe5.3LV8——
2003ChevroletTahoe4.8LV8——
2003ChevroletTrailblazer EXT5.3LV8——
2003GMCEnvoy XL5.3LV8——
2003GMCSavana 25006.0LV8——
2003GMCSavana 25004.8LV8——
2003GMCSavana 35006.0LV8——
2003GMCSierra 15005.3LV8——
2003GMCSierra 15006.0LV8——
2003GMCSierra 15004.8LV8——
2003GMCSierra 1500 HD6.0LV8——
2003GMCSierra 25006.0LV8——
2003GMCSierra 2500 HD6.0LV8——
2003GMCSierra 2500 HD6.6LV8——
2003GMCSierra 35006.6LV8——
2003GMCYukon5.3LV8——
2003GMCYukon6.0LV8——
2003GMCYukon4.8LV8——
2003GMCYukon XL 15005.3LV8——
2003GMCYukon XL 15006.0LV8——
2003HummerH26.0LV8——
2002CadillacEscalade5.3LV8——
2002CadillacEscalade6.0LV8——
2002CadillacEscalade EXT6.0LV8——
2002ChevroletAvalanche 15005.3LV8——
2002ChevroletSilverado 15005.3LV8——
2002ChevroletSilverado 15004.8LV8——
2002ChevroletSilverado 1500 HD6.0LV8——
2002ChevroletSilverado 25006.0LV8——
2002ChevroletSilverado 2500 HD6.0LV8——
2002ChevroletSilverado 35006.0LV8——
2002ChevroletSuburban 15005.3LV8——
2002ChevroletTahoe5.3LV8——
2002ChevroletTahoe4.8LV8——
2002GMCSierra 15005.3LV8——
2002GMCSierra 15006.0LV8——
2002GMCSierra 15004.8LV8——
2002GMCSierra 1500 HD6.0LV8——
2002GMCSierra 2500 HD6.0LV8——
2002GMCYukon5.3LV8——
2002GMCYukon6.0LV8——
2002GMCYukon XL 15005.3LV8——
2002GMCYukon XL 15006.0LV8——
2001ChevroletSilverado 15005.3LV8—w/ Mexico Emissions
2001ChevroletSilverado 15004.8LV8—w/ Mexico Emissions
2001ChevroletSilverado 1500 HD6.0LV8——
2001ChevroletSilverado 25006.0LV8——
2001ChevroletSilverado 2500 HD6.0LV8GAS—
2001ChevroletSilverado 35006.0LV8——
2001ChevroletSuburban 15005.3LV8——
2001ChevroletTahoe5.3LV8——
2001ChevroletTahoe4.8LV8——
2001GMCSierra 15005.3LV8——
2001GMCSierra 15004.8LV8——
2001GMCSierra 1500 HD6.0LV8——
2001GMCSierra 25006.0LV8——
2001GMCSierra 2500 HD6.0LV8——
2001GMCSierra 35006.0LV8——
2001GMCYukon5.3LV8——
2001GMCYukon6.0LV8——
2001GMCYukon XL 15005.3LV8——
2001GMCYukon XL 15006.0LV8——
2001GMCYukon XL 25006.0LV8——
2000ChevroletSilverado 15005.3LV8—w/ Mexico Emissions
2000ChevroletSilverado 15004.8LV8—w/ Mexico Emissions
2000ChevroletSilverado 25006.0LV8——
2000ChevroletSilverado 25005.3LV8——
2000ChevroletSuburban 15005.3LV8——
2000ChevroletTahoe5.3LV8——
2000GMCSierra 15005.3LV8——
2000GMCSierra 15004.8LV8——
2000GMCSierra 25006.0LV8——
2000GMCYukon5.3LV8——
2000GMCYukon XL 15005.3LV8——
1999ChevroletSilverado 15005.3LV8——
1999ChevroletSilverado 15004.8LV8——
1999ChevroletSilverado 25006.0LV8——
1999GMCSierra 15005.3LV8——
1999GMCSierra 15004.8LV8——
1999GMCSierra 25006.0LV8——
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
WAI — CUF2711257055338590782UF271UF271T