Spark plug · Denso

Equivalents for the Denso spark plug 3321

Denso 3321, a spark plug — reach 19.0 mm, resistor type (RFI-suppressed), heat range medium, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), thread 14 mm. All its 1000 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Denso 3321 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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1000 equivalents compatible with the Denso 3321 spark plug

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What can replace a Denso 3321 spark plug?

The Denso 3321 is interchangeable with: NGK BP6ES, Bosch M2C, Champion N2, NGK BPR4ES, NGK BPR6ES, NGK BCPR7ES. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso 3321?

Thread 14 mm, Reach 19.0 mm, Heat range Medium, Gap 1.1 mm, 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.