Equivalents for the Mercruiser spark plug 338556721
Mercruiser 338556721 is an automotive spark plug : thread 14 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range hot, reach 18.5–21.5 mm. Here are its 50 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information Mercruiser 338556721 spark plug
- Resistor
- yes
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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50 equivalents compatible with the Mercruiser 338556721 spark plug
No equivalent for this brand selection.
What can replace a Mercruiser 338556721 spark plug?
The Mercruiser 338556721 is interchangeable with: NGK PZFR5F-11, Bosch FR8HP, Champion RC12MC4, Bosch FR8LPX, Bosch FR8LPX+, Bosch F7HPP222. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Mercruiser 338556721?
Thread 14 mm, Reach 18.5–21.5 mm, Heat range Hot, Resistor yes, Seat Flat (gasket), 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.