Spark plug · Autolite
Equivalents for the Autolite spark plug 5204
Meet the Autolite 5204 spark plug. Find its 134 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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What can replace a Autolite 5204 spark plug?
The Autolite 5204 is interchangeable with: NGK CMR5H, Bosch W 6 DCX, Champion RZ7C, NGK CMR6H, NGK CMR7H, NGK CMR8H. 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.