Spark plug · Porsche
Equivalents for the Porsche spark plug 999 170 221 90
Porsche 999 170 221 90, a spark plug. All its 96 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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96 equivalents compatible with the Porsche 999 170 221 90 spark plug
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What can replace a Porsche 999 170 221 90 spark plug?
The Porsche 999 170 221 90 is interchangeable with: NGK BKR7EVX, Bosch FR 6 DP, Champion RC8PYP, NGK PFR7B, NGK PFR7G, NGK PFR7M. These spark plugs share the same mounting (thread, seat) and heat range.
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.