Spark plug · NGK
Equivalents for the NGK spark plug WR4-1
The NGK WR4-1 spark plug. Here are its 274 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information NGK WR4-1 spark plug
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What can replace a NGK WR4-1 spark plug?
The NGK WR4-1 is interchangeable with: NGK AP4FS, Bosch WR5, Champion F7Y, NGK AP6FS, NGK AP7FS, Bosch WR4-1. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the NGK WR4-1?
Gap 0,1 mm, Seat Flat (gasket)
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.