Spark plug · Denso

Equivalents for the Denso spark plug 3521

Denso 3521 is a spark plug featuring tightening torque fonte 10–15 N·m · alu 10–12 N·m — ou 180° (½ tour), reach 19.0 mm, thread 10 mm, heat range cold. All its 26 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Denso 3521 spark plug

Torque
fonte 10–15 N·m · alu 10–12 N·m — ou 180° (½ tour)

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What can replace a Denso 3521 spark plug?

The Denso 3521 is interchangeable with: Champion RG4HC, Denso U27ESNZU, Autolite XS4302, Champion RG4PHP, Champion RG4YCX, Champion OE122. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso 3521?

Thread 10 mm, Reach 19.0 mm, Heat range Cold, Torque fonte 10–15 N·m · alu 10–12 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.