Equivalents for the Opel spark plug 2666A003
Meet the Opel 2666A003 spark plug — heat range very hot, reach 15.2–19.0 mm. Find its 181 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information Opel 2666A003 spark plug
- Resistor
- no
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181 equivalents compatible with the Opel 2666A003 spark plug



















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No equivalent for this brand selection.
What can replace a Opel 2666A003 spark plug?
The Opel 2666A003 is interchangeable with: Bosch GLP047, Champion CH62, Denso DG202, Bosch O25O2OOO53, Champion CH70, Champion CH7O. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Opel 2666A003?
Reach 15.2–19.0 mm, Heat range Very 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.