Spark plug · Mercruiser

Equivalents for the Mercruiser spark plug 33400

Mercruiser 33400 is a spark plug : thread 14 mm, tightening torque fonte 10–20 N·m · alu 10–20 N·m — ou 180°–240° (½–⅔ tour), reach 11.2 mm, heat range hot. 224 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information Mercruiser 33400 spark plug

Resistor
yes
Torque
fonte 10–20 N·m · alu 10–20 N·m — ou 180°–240° (½–⅔ tour)

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224 equivalents compatible with the Mercruiser 33400 spark plug

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What can replace a Mercruiser 33400 spark plug?

The Mercruiser 33400 is interchangeable with: Bosch HR8A, Champion V4C, Denso T16RU, Bosch HR9A, Bosch HR10A, Bosch HR8AC. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Mercruiser 33400?

Thread 14 mm, Reach 11.2 mm, Heat range Hot, Resistor yes, Seat Tapered, Torque fonte 10–20 N·m · alu 10–20 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.