Volvo Iridium Spark Plug

STSP1066 is a Volvo-focused spark plug range covering two OE and OEM reference combinations currently listed on this page. Both entries use iridium electrode material, providing a clear product group for aftermarket buyers sourcing the corresponding Volvo ignition references.

Although the two references are grouped under the same IGNX number and share the same material category, each item should still be selected according to its corresponding OE No. and OEM No. in the product list. Grouping them together simplifies sourcing, but does not mean the listed references should be treated as interchangeable.

Iridium Material for Demanding Ignition Conditions

Spark plug electrodes operate in an environment exposed to repeated electrical discharge, combustion heat and rapid temperature changes. Iridium is widely used in spark plug electrode designs because of its strong resistance to high-temperature wear under these operating conditions.

Electrode wear is important because continued erosion can gradually change the condition of the firing surfaces and the effective spark gap. As the gap changes, the voltage required for spark discharge can also change. Using a wear-resistant electrode material helps control this progression during normal service.

Iridium material alone does not determine compatibility. The correct spark plug still needs to correspond with the required OE specification, so purchasing should follow the reference information already provided in the product list rather than material or appearance alone.

Purchasing Details for Bulk Orders

IGNX supplies this iridium spark plug range for distributors, importers and automotive aftermarket brands. For bulk or repeat purchasing, buyers can confirm the required item according to the OE No. and OEM No. already listed on this page.

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