Spark plug · First Line

Equivalents for the First Line spark plug FGP120

First Line FGP120, a spark plug : heat range very hot, reach 15.2–19.0 mm. 111 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information First Line FGP120 spark plug

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111 equivalents compatible with the First Line FGP120 spark plug

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What can replace a First Line FGP120 spark plug?

The First Line FGP120 is interchangeable with: Bosch CH208, Champion CH208, Denso DG161, Champion CH2O8, Champion CH208002, Champion CH208/002. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the First Line FGP120?

Reach 15.2–19.0 mm, Heat range Very hot, Resistor no, Seat Flat (gasket)

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.