Equivalents for the Wellman spark plug W434
The Wellman W434 spark plug featuring reach 15.2–19.0 mm, heat range medium. Compare its 103 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information Wellman W434 spark plug
- Resistor
- no
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What can replace a Wellman W434 spark plug?
The Wellman W434 is interchangeable with: Bosch CH233, Champion W434, Denso G112, Bosch GLP011, Bosch O25O2O2129, Champion GX99. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Wellman W434?
Reach 15.2–19.0 mm, Heat range Medium, Resistor no, 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.