Equivalents for the Kager spark plug 6521O9
Kager 6521O9 is a spark plug with heat range hot, reach 15.2–19.0 mm. 81 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Kager 6521O9 spark plug
- Resistor
- no
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What can replace a Kager 6521O9 spark plug?
The Kager 6521O9 is interchangeable with: Champion CH409, Denso DG312, Beru 100226525, Champion CH604, Champion CH604002, Champion GJ1136IS. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Kager 6521O9?
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.