Spark plug · Husqvarna
Equivalents for the Husqvarna spark plug 503 23 51-12
The Husqvarna 503 23 51-12 spark plug. Browse its 32 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
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What can replace a Husqvarna 503 23 51-12 spark plug?
The Husqvarna 503 23 51-12 is interchangeable with: NGK BPMR6A, Bosch WSR 8 F, Champion RCJ8Y, Brisk PR18Y, Torch L6RTC, Archer A943P. 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.