Equivalents for the Superdiesel spark plug SD8440
The Superdiesel SD8440 spark plug — reach 15.2–19.0 mm, heat range very hot. 20 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Superdiesel SD8440 spark plug
- Resistor
- no
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20 equivalents compatible with the Superdiesel SD8440 spark plug
No equivalent for this brand selection.
What can replace a Superdiesel SD8440 spark plug?
The Superdiesel SD8440 is interchangeable with: Champion CH400, Beru GN058, Metzger H1123, Lucas LP133, Kavo Parts IGP5508, Blue Print ADC41818. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Superdiesel SD8440?
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.