Spark plug · NGK
Equivalents for the NGK spark plug 3812
Meet the NGK 3812 spark plug. Find its 174 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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What can replace a NGK 3812 spark plug?
The NGK 3812 is interchangeable with: NGK BP5EFS, Bosch H 7 DC, Champion S9YC, NGK BP6EFS, NGK BUR5ET, NGK VLine22. 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.