Iridium Engine Spark Plug K16PZR13

STSP1002 is organized as a multi-reference engine spark plug range covering three OE and OEM combinations currently listed on this page. The range includes Mazda and Mercedes-Benz references, allowing aftermarket distributors and importers to source several related ignition products within one IGNX product group.

All current entries are identified with Iridium material, but each item corresponds to its own OE and OEM reference. Buyers should therefore confirm the required spark plug according to the matching reference already shown in the product list rather than assuming that all three entries have identical specifications.

For wholesale sourcing, this grouped structure can simplify quotation and inventory management while keeping each required reference separately identified for purchasing and repeat orders.

Iridium Electrode Design and Firing-Surface Wear

Spark plug electrodes operate under repeated electrical discharge, combustion heat and rapid temperature changes. Iridium is used in spark plug firing-electrode designs because it provides good resistance to wear under these operating conditions.

In appropriate spark plug designs, an iridium firing tip can be made relatively fine. A smaller firing area helps concentrate the electric field around the electrode, supporting efficient spark discharge while the wear-resistant material helps limit progressive erosion of the firing surface.

As operating cycles accumulate, electrode wear can gradually affect firing-surface geometry and the effective spark gap. Controlling this wear helps maintain a more consistent electrode condition, but correct replacement still depends on matching the specified OE and OEM reference rather than material description alone.

Purchasing Details for Bulk Orders

IGNX supplies STSP1002 for distributors, importers and automotive aftermarket brands. For wholesale, mixed-reference or repeat purchasing, buyers should confirm each required spark plug according to the OE No. and corresponding OEM No. already listed in the product information.

For quotation, buyers can submit the required OE or OEM references from the list above together with order quantities, packaging requirements and any private-label information. For mixed-reference or repeat orders, confirming the complete purchasing list before production helps keep product specifications and purchasing records consistent.