Equivalents for the Champion spark plug W404
Champion W404 is a spark plug with reach 15.2–19.0 mm, heat range hot. Browse its 165 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Technical information Champion W404 spark plug
- Resistor
- no
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What can replace a Champion W404 spark plug?
The Champion W404 is interchangeable with: Bosch CH229, Champion CH229, Denso G130, Bosch GLP051, Bosch O25O2O213O, Champion GX148. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Champion W404?
Reach 15.2–19.0 mm, Heat range Hot, Resistor no, Seat Flat (gasket)
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.