Send a strong, consistent spark to the spark plug with the Spectra Premium Ignition Coil C-721. It's a direct-fit replacement for a wide range of listed GM applications, including the 2007-2013 Chevrolet Silverado 1500 [V8-5.3L], 2010-2015 Chevrolet Camaro [V8-6.2L], 2006-2013 Chevrolet Corvette [V8-7.0L], 2007-2014 Cadillac Escalade [V8-6.2L], 2008-2009 Buick LaCrosse [V8-5.3L], and many more — see the Buyer's Guide tab for the full list of applications and engine codes (V6-4.3L, V8-4.8L, V8-5.3L, V8-6.0L, V8-6.2L, V8-7.0L).
If a failed ignition coil is the cause of your misfire or rough running, this replaces it. Manufacturer part number C-721.
What does the Spectra Premium C-721 ignition coil do?
It transforms the vehicle's low-voltage battery power into the high-voltage pulse that jumps the spark plug gap, igniting the air-fuel mixture in the cylinder.
What vehicles does the C-721 fit?
It's a direct-fit replacement for a wide range of listed GM applications spanning engine codes V6-4.3L, V8-4.8L, V8-5.3L, V8-6.0L, V8-6.2L, and V8-7.0L. See the Buyer's Guide tab for the full list.
How many coils do I need?
Quantity varies by application. The listed V8 applications call for a quantity of 8 (one coil per cylinder); confirm the count your specific engine requires in the Buyer's Guide.
What are the signs of a failing ignition coil?
Common signs may include engine misfire, rough idle, hard starting, hesitation under load, and an illuminated check engine light. Diagnose the cause first, as these can have other sources.
Will this coil fix my misfire?
If a failed ignition coil is the cause of the misfire, replacing it with the C-721 addresses that. Misfires can also stem from spark plugs, wiring, or fuel issues, so diagnose before replacing.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
