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Subaru Legacy Spark Plug Wires and Caps
This page brings together spark plug wires and caps for the Subaru Legacy, covering model years 1989–2020. The range includes single spark plugs, performance options, and OE replacement parts across a span of Legacy generations. Pick your Subaru Legacy's year above to narrow the list to spark plug wires and caps with confirmed fitment. Every part shown is checked against our vehicle data.
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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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What's here for your Subaru Legacy
- Single spark plugs for straightforward replacements
- Performance spark plugs for upgraded ignition applications
- OE replacement spark plugs matched to factory specifications
- Tip-style spark plug designs for various fitment configurations
The widest selection of Subaru Legacy spark plug wires and caps here comes from DENSO, NGK Spark Plugs, Bosch, and Autolite. Other categories Subaru Legacy owners shop for: Subaru Legacy Springs and Suspension Parts, Subaru Legacy Shocks and Struts and Subaru Legacy Brake Pads and Shoes, or browse all Subaru Legacy parts and accessories.