Equivalents for the Vauxhall spark plug 121431O
Vauxhall 121431O, a spark plug — heat range medium, reach 15.2–19.0 mm. Compare its 75 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information Vauxhall 121431O spark plug
- Resistor
- no
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What can replace a Vauxhall 121431O spark plug?
The Vauxhall 121431O is interchangeable with: Bosch GLP046, Champion CH158, Denso DG104, Champion CH158002, Denso DG1O4, Denso DG-104. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Vauxhall 121431O?
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.