NGK ILZTR5B13 Spark Plug

Specs, cross-brand equivalents, vehicle fitment, and live prices for the NGK ILZTR5B13.

The NGK ILZTR5B13 is a 12mm thread, 25mm reach, gasket seat, heat range 5, iridium electrode spark plug, pre-gapped to 0.043". These specifications are decoded from the NGK part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.

Affiliate disclosure: As an Amazon Associate and affiliate partner we earn from qualifying purchases. Always confirm fitment against your owner's manual or the manufacturer catalog before buying.