Spark plug · NGK
Equivalents for the NGK spark plug 4133
NGK 4133, a spark plug. All its 24 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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What can replace a NGK 4133 spark plug?
The NGK 4133 is interchangeable with: NGK BR4-LM, Bosch WR 9 EC0, Champion RJ17LM, Champion QJ17LM, Denso W14LMR-US, Beru 14 SR-9 E0. 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.