Spark plug · Denso

Equivalents for the Denso spark plug W31FSZ-U

The Denso W31FSZ-U spark plug featuring heat range very cold, hex size 13/16″ (20,8 mm), tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), reach 12.7 mm, thread 14 mm. Find its 22 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.

Technical information Denso W31FSZ-U spark plug

Torque
fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

→ How to read a Denso reference

Buy this spark plug Denso W31FSZ-U — best retailers

Buy a spark plug wrench 13/16″ (20,8 mm) wrench

Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.

What can replace a Denso W31FSZ-U spark plug?

The Denso W31FSZ-U is interchangeable with: Bosch W06AS, Champion L55G, Denso W31FS, Bosch W07AS, Champion QL55, Champion QL55012. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso W31FSZ-U?

Spark plug wrench 13/16″ (20,8 mm), Thread 14 mm, Reach 12.7 mm, Heat range Very cold, 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.