Equivalents for the Marelli spark plug UC52A
The Marelli UC52A spark plug — heat range very hot, reach 15.2–19.0 mm. 224 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Marelli UC52A spark plug
- Resistor
- no
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224 equivalents compatible with the Marelli UC52A spark plug






























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No equivalent for this brand selection.
What can replace a Marelli UC52A spark plug?
The Marelli UC52A is interchangeable with: Bosch CH154, Champion CH103, Denso DG211, Bosch GLP042, Champion CH104, Champion CH154. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Marelli UC52A?
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.