Spark plug · Denso

Equivalents for the Denso spark plug 4091

Denso 4091, a spark plug with reach 18.5–21.5 mm, heat range hot, tightening torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour), thread 12 mm. Browse its 206 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.

Technical information Denso 4091 spark plug

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

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206 equivalents compatible with the Denso 4091 spark plug

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What can replace a Denso 4091 spark plug?

The Denso 4091 is interchangeable with: Bosch XR2CS, Champion R8, Denso X20E, Bosch XR4CS, Bosch XR5DC, Bosch XR6CC. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso 4091?

Thread 12 mm, Reach 18.5–21.5 mm, Heat range Hot, Resistor yes, Seat Flat (gasket), 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.