HomeIgnition > Ignition CoilSpectra C-639 Ignition Coil
Part #: C-639

Spectra C-639 Ignition Coil

41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, Chevrolet, Pontiac, and GMC, CTS, Corvette, GTO, Avalanche 2500, Camaro, Express 3500, Silverado 3500, Suburban 2500, Savana 3500, Sierra 2500 HD, Sierra 3500, Yukon XL 2500, Firebird, P30, and P3500
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Reliable Ignition Coil for Select GM Trucks and Cars

The Spectra C-639 ignition coil is designed to provide consistent ignition performance for a range of GM vehicles. Engineered to meet OEM specifications, this ignition coil supports efficient combustion and smooth engine operation in models like the Chevrolet Silverado 3500 and Cadillac CTS.

  • Direct replacement ignition coil for GM vehicles
  • Compatible with Cadillac, Chevrolet, GMC, and Pontiac models
  • Part number C-639 ensures precise fit and function
  • Supports heavy-duty applications including Silverado 3500 and Sierra 3500
  • Durable construction for reliable ignition spark delivery

Product Details and Compatibility

The Spectra C-639 ignition coil is engineered to fit a variety of GM trucks and cars, including the Chevrolet Avalanche 2500, Camaro, Corvette, and Silverado 3500, as well as the Cadillac CTS and Pontiac GTO. It is also compatible with heavy-duty models such as the GMC Sierra 2500 HD, Yukon XL 2500, and commercial vehicles like the Express 3500 and Savana 3500. This ignition coil delivers the necessary voltage to the spark plugs, ensuring proper ignition timing and engine performance.

Common Applications and Problem Resolution

  • Resolves engine misfires and rough idling
  • Addresses difficulty starting the engine
  • Improves fuel efficiency by ensuring proper spark delivery
  • Eliminates stalling issues related to ignition coil failure
  • Prevents check engine light caused by ignition faults

Installation Notes and Tips

Installation of the Spectra C-639 ignition coil requires basic mechanical knowledge and standard hand tools. Before installation, disconnect the battery to prevent electrical shock. Remove the old ignition coil carefully, noting the wiring connections. Install the new coil by securing it firmly and reconnecting all electrical connectors. It is recommended to inspect spark plugs and ignition wires during replacement to ensure optimal ignition system performance.

Quality Assurance and Warranty Information

Manufactured to meet or exceed OEM standards, the Spectra C-639 ignition coil undergoes rigorous quality control testing to ensure durability and reliable performance. While specific warranty details may vary, Spectra typically offers coverage against manufacturing defects. Refer to the product documentation or contact the distributor for exact warranty terms.

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005CadillacCTS5.7LV8N/ADirectly mounts onto cylinder head.
2004CadillacCTS5.7LV8N/ADirectly mounts onto cylinder head.
2004ChevroletCorvette5.7LV8N/ADirectly mounts onto cylinder head.
2004PontiacGTO5.7LV8N/ADirectly mounts onto cylinder head.
2003ChevroletCorvette5.7LV8N/ADirectly mounts onto cylinder head.
2002ChevroletAvalanche 25008.1LV8N/ADirectly mounts onto cylinder head.
2002ChevroletCamaro5.7LV8N/ADirectly mounts onto cylinder head.
2002ChevroletCorvette5.7LV8N/ADirectly mounts onto cylinder head.
2002ChevroletExpress 35008.1LV8N/ADirectly mounts onto cylinder head.
2002ChevroletSilverado 35008.1LV8N/ADirectly mounts onto cylinder head.
2002ChevroletSuburban 25008.1LV8N/AIgnition Coil mounts to cylinder head as square type
2002ChevroletSuburban 25006.0LV8N/AIgnition Coil mounts to cylinder head as square type
2002GMCSavana 35008.1LV8N/ADirectly mounts onto cylinder head.
2002GMCSierra 2500 HD8.1LV8N/ADirectly mounts onto cylinder head.
2002GMCSierra 35008.1LV8N/ADirectly mounts onto cylinder head.
2002GMCYukon XL 25008.1LV8N/ADirectly mounts onto cylinder head.
2002PontiacFirebird5.7LV8N/ADirectly mounts onto cylinder head.
2001ChevroletCamaro5.7LV8N/ADirectly mounts onto cylinder head.
2001ChevroletCorvette5.7LV8N/ADirectly mounts onto cylinder head.
2001ChevroletExpress 35008.1LV8N/ADirectly mounts onto cylinder head.
2001ChevroletSilverado 35008.1LV8N/ADirectly mounts onto cylinder head.
2001ChevroletSuburban 25008.1LV8N/AIgnition Coil mounts to cylinder head as square type
2001ChevroletSuburban 25006.0LV8N/AIgnition Coil mounts to cylinder head as square type
2001GMCSavana 35008.1LV8N/ADirectly mounts onto cylinder head.
2001GMCSierra 2500 HD8.1LV8N/ADirectly mounts onto cylinder head.
2001GMCSierra 35008.1LV8N/ADirectly mounts onto cylinder head.
2001GMCYukon XL 25008.1LV8N/ADirectly mounts onto cylinder head.
2001PontiacFirebird5.7LV8N/ADirectly mounts onto cylinder head.
2000ChevroletCamaro5.7LV8N/ADirectly mounts onto cylinder head.
2000ChevroletCorvette5.7LV8N/ADirectly mounts onto cylinder head.
2000PontiacFirebird5.7LV8N/ADirectly mounts onto cylinder head.
1999ChevroletCamaro5.7LV8N/ADirectly mounts onto cylinder head.
1999ChevroletCorvette5.7LV8N/ADirectly mounts onto cylinder head.
1999ChevroletP307.4LV8N/ADirectly mounts onto cylinder head.
1999PontiacFirebird5.7LV8N/ADirectly mounts onto cylinder head.
1998ChevroletCamaro5.7LV8N/ADirectly mounts onto cylinder head.
1998ChevroletCorvette5.7LV8N/ADirectly mounts onto cylinder head.
1998ChevroletP307.4LV8N/ADirectly mounts onto cylinder head.
1998GMCP35007.4LV8N/ADirectly mounts onto cylinder head.
1998PontiacFirebird5.7LV8N/ADirectly mounts onto cylinder head.
1997ChevroletCorvette5.7LV8N/ADirectly mounts onto cylinder head.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1255645012558948161125500735215735C10786737105C1144CLS1260CUF192D580E247E247PGN10374IC334UF192UF192T

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.