Equivalents for the Standard spark plug W646
The Standard W646 spark plug : reach 15.2–19.0 mm, heat range medium. Browse its 136 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Technical information Standard W646 spark plug
- Resistor
- no
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What can replace a Standard W646 spark plug?
The Standard W646 is interchangeable with: Bosch GLP13, Champion CH268, Denso DG181, Bosch GLP055, Bosch GLP111, Bosch GLPO55. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Standard W646?
Reach 15.2–19.0 mm, Heat range Medium, 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.