Equivalents for the Mopar Parts spark plug 4091678
Mopar Parts 4091678, a spark plug featuring tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range very hot, thread 14 mm, reach 11.7 mm. All its 366 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Mopar Parts 4091678 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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366 equivalents compatible with the Mopar Parts 4091678 spark plug


































































































































































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No equivalent for this brand selection.
What can replace a Mopar Parts 4091678 spark plug?
The Mopar Parts 4091678 is interchangeable with: Bosch H8B, Champion V12YC, Denso T14PRU, Bosch H9B, Bosch H10B, Bosch H8BC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Mopar Parts 4091678?
Thread 14 mm, Reach 11.7 mm, Heat range Very hot, Gap 1.5mm, 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.