Ford E-350 Super Duty Spark Plug Wires and Caps
This page brings together spark plug wires and caps for the Ford E-350 Super Duty covering model years 1999–2025, including OE replacement and performance spark plugs as well as diesel glow plugs. Select your year above and we'll show only the spark plug wires and caps that fit your Ford E-350 Super Duty. Fitment is checked against our vehicle data for every part listed.
NGK 3689 TR6IX Iridium IX Spark Plug M14 Heat Range 6 Pre-Gapped 0.040 in
NGK 4477 ITR6F13 Laser Iridium Spark Plug M14 Tapered Seat 0.708 in Reach
NGK 94862 LTR7CP13 Laser Platinum Spark Plug 14mm Thread 5/8in Hex
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What's here for your Ford E-350 Super Duty
- Spark plugs — OE replacement and performance types
- Diesel glow plugs — for diesel-equipped Ford E-350 Super Duty applications
The widest selection here comes from NGK Spark Plugs, Bosch, DENSO, and Autolite, giving you a broad range of fitments and specifications to choose from. Other categories Ford E-350 Super Duty owners shop for: Ford E-350 Super Duty Springs and Suspension Parts, Ford E-350 Super Duty Shocks and Struts and Ford E-350 Super Duty Steering Gear and Parts, or browse all Ford E-350 Super Duty parts and accessories.