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Mazda 3 Spark Plug Wires and Caps
This page covers spark plug wires and caps for the Mazda 3, with parts spanning model years 2004–2023. The range includes spark plugs in OE replacement and performance styles to suit a variety of trims and configurations. Select your year above and we'll show only the spark plug wires and caps that fit your Mazda 3. Fitment is checked against our vehicle data for every part listed.
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HKS 50003-M40HL Iridium Racing Spark Plug M-Series High Performance
Part: 50003-M40HL
Vehicle Specific
$300.00
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NGK 3689 TR6IX Iridium IX Spark Plug M14 Heat Range 6 Pre-Gapped 0.040 in
Part: 3689
Vehicle Specific
$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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NGK 4477 ITR6F13 Laser Iridium Spark Plug M14 Tapered Seat 0.708 in Reach
Part: 4477
Vehicle Specific
$10.96
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What's here for your Mazda 3
- Spark plugs in OE replacement and performance variants
- Single-tip and multi-tip electrode styles
- Direct-fit replacement plugs designed to match factory specifications
The widest selection here comes from DENSO, Autolite, Bosch, and NGK Spark Plugs, giving Mazda 3 owners a broad range of plug types and materials to choose from. Other categories Mazda 3 owners shop for: Mazda 3 Springs and Suspension Parts, Mazda 3 Shocks and Struts and Mazda 3 Brake Rotors and Drums, or browse all Mazda 3 parts and accessories.