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Cadillac CTS Spark Plug Wires and Caps
This page brings together spark plug wires and caps for the Cadillac CTS covering model years 2003–2019, including OE replacement and performance spark plug options across the range. Choose your model year above and this page keeps only the spark plug wires and caps that fit your Cadillac CTS. Each listing is matched to our vehicle fitment data before it appears here.
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NGK 3689 TR6IX Iridium IX Spark Plug M14 Heat Range 6 Pre-Gapped 0.040 in
Part: 3689
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$7.92
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NGK 5019 LTR5GP G-Power Platinum Spark Plug 14mm Thread 25mm Reach
Part: 5019
Vehicle Specific
$6.97
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What's here for your Cadillac CTS
- OE replacement spark plugs
- Performance spark plugs
- Single spark plug listings for targeted replacement
- Tip-style spark plug variants
The widest selection here comes from DENSO, NGK Spark Plugs, Autolite, and Bosch, covering a broad range of fitments across the 2003–2019 Cadillac CTS lineup. Other categories Cadillac CTS owners shop for: Cadillac CTS Brake Rotors and Drums, Cadillac CTS Brake Pads and Shoes and Cadillac CTS Springs and Suspension Parts, or browse all Cadillac CTS parts and accessories.