Spark plug · Eiko

Equivalents for the Eiko spark plug GN304

The Eiko GN304 spark plug featuring thread 14 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), reach 12.5 mm, heat range cold. 20 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information Eiko GN304 spark plug

Torque
fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

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What can replace a Eiko GN304 spark plug?

The Eiko GN304 is interchangeable with: Bosch GPN-339, Ashika PN84, HKT PN84, Japan Parts PN84, Japko PN84, Lucas Y202. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Eiko GN304?

Thread 14 mm, Reach 12.5 mm, Heat range Cold, Torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.