Equivalents for the Marelli spark plug UX21A
Marelli UX21A is a spark plug — heat range medium, reach 15.2–19.0 mm. Find its 162 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information Marelli UX21A spark plug
- Resistor
- no
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What can replace a Marelli UX21A spark plug?
The Marelli UX21A is interchangeable with: Bosch CH209, Champion W8628, Denso G129, Bosch GLP045, Bosch GLPO45, Champion CH95. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Marelli UX21A?
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.