Spark plug · Denso

Equivalents for the Denso spark plug 4121

Denso 4121, a spark plug with reach 19.0 mm, tightening torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour), heat range hot, thread 12 mm. Here are its 10 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.

Technical information Denso 4121 spark plug

Torque
fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour)

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10 equivalents compatible with the Denso 4121 spark plug

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What can replace a Denso 4121 spark plug?

The Denso 4121 is interchangeable with: Champion A53C, Denso X34ES-ZU, Suzuki 0948200419, Denso IXU0134, Denso IXU01-34, Champion 659. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso 4121?

Thread 12 mm, Reach 19.0 mm, Heat range Hot, Torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ 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.