Equivalents for the Auto Delta spark plug GP3999PH
The Auto Delta GP3999PH spark plug featuring reach 15.2–19.0 mm, heat range very hot. 14 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Auto Delta GP3999PH spark plug
- Resistor
- no
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14 equivalents compatible with the Auto Delta GP3999PH spark plug
No equivalent for this brand selection.
What can replace a Auto Delta GP3999PH spark plug?
The Auto Delta GP3999PH is interchangeable with: FAI FG144, Lucas LP021, First Line FGP138, FAI FG145, Lucas LP034, Lucas LP035. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Auto Delta GP3999PH?
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.