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Spectra C-639 Ignition Coil
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:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Cadillac | CTS | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2004 | Cadillac | CTS | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2004 | Chevrolet | Corvette | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2004 | Pontiac | GTO | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2003 | Chevrolet | Corvette | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | Chevrolet | Avalanche 2500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | Chevrolet | Camaro | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | Chevrolet | Corvette | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | Chevrolet | Express 3500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Ignition Coil mounts to cylinder head as square type |
| 2002 | Chevrolet | Suburban 2500 | 6.0L | V8 | N/A | Ignition Coil mounts to cylinder head as square type |
| 2002 | GMC | Savana 3500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2002 | Pontiac | Firebird | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | Chevrolet | Camaro | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | Chevrolet | Corvette | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | Chevrolet | Express 3500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | Chevrolet | Suburban 2500 | 8.1L | V8 | N/A | Ignition Coil mounts to cylinder head as square type |
| 2001 | Chevrolet | Suburban 2500 | 6.0L | V8 | N/A | Ignition Coil mounts to cylinder head as square type |
| 2001 | GMC | Savana 3500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | GMC | Sierra 3500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | GMC | Yukon XL 2500 | 8.1L | V8 | N/A | Directly mounts onto cylinder head. |
| 2001 | Pontiac | Firebird | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2000 | Chevrolet | Camaro | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2000 | Chevrolet | Corvette | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 2000 | Pontiac | Firebird | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 1999 | Chevrolet | Camaro | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 1999 | Chevrolet | Corvette | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 1999 | Chevrolet | P30 | 7.4L | V8 | N/A | Directly mounts onto cylinder head. |
| 1999 | Pontiac | Firebird | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 1998 | Chevrolet | Camaro | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 1998 | Chevrolet | Corvette | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 1998 | Chevrolet | P30 | 7.4L | V8 | N/A | Directly mounts onto cylinder head. |
| 1998 | GMC | P3500 | 7.4L | V8 | N/A | Directly mounts onto cylinder head. |
| 1998 | Pontiac | Firebird | 5.7L | V8 | N/A | Directly mounts onto cylinder head. |
| 1997 | Chevrolet | Corvette | 5.7L | V8 | N/A | Directly 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.