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Cadillac STS Spark Plug Wires and Caps
Spark plug wires and caps for the Cadillac STS cover model years 2005 through 2011, with options ranging from OE replacement to performance-style single-tip designs. Select your year above and we'll show only the spark plug wires and caps that fit your Cadillac STS. Fitment is checked against our vehicle data for every part listed.
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What's here for your Cadillac STS
- Spark plugs in OE replacement and performance styles
- Single-tip and specialty-tip plug designs
- Ignition caps and secondary ignition components
The widest selection of spark plug wires and caps for the Cadillac STS here comes from DENSO, NGK Spark Plugs, Autolite, and Fram. Other categories Cadillac STS owners shop for: Cadillac STS Shocks and Struts, Cadillac STS Valve Train Parts and Cadillac STS Tires, or browse all Cadillac STS parts and accessories.