Spark plug · NGK
Equivalents for the NGK spark plug 4174
NGK 4174, a spark plug. Compare its 130 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
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What can replace a NGK 4174 spark plug?
The NGK 4174 is interchangeable with: NGK DIFR6C11, Bosch FR 7 DII33X, Denso IK20, NGK DIFR6B11D, NGK BKR6EIX-11, NGK DIFR6D-11D. 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.