Spark plug · Denso

Equivalents for the Denso spark plug I37

Denso I37, a spark plug. Browse its 31 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.

Technical information Denso I37 spark plug

→ How to read a Denso reference

Buy this spark plug Denso I37 — best retailers

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

What can replace a Denso I37 spark plug?

The Denso I37 is interchangeable with: NGK DCPR9EIX, Bosch YR 5 DII33S, Champion RA2PYPB, NGK DPR9EIX-9, NGK IKR9F8, NGK IKR9H8. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso I37?

Electrode Iridium

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.