Equivalents for the Wellman spark plug W640
Wellman W640 is an automotive spark plug featuring reach 15.2–19.0 mm, heat range hot. Here are its 181 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information Wellman W640 spark plug
- Resistor
- no
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What can replace a Wellman W640 spark plug?
The Wellman W640 is interchangeable with: Bosch CH177, Champion W423, Denso G106, Bosch GLP017, Bosch GLP123, Champion W640. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Wellman W640?
Reach 15.2–19.0 mm, Heat range Hot, 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.