Beru Z309 Spark Plug

Specs, cross-brand equivalents, vehicle fitment, and live prices for the Beru Z309.

The Beru Z309 is a 17.5mm reach spark plug, pre-gapped to 0.063. These specifications are decoded from the Beru part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.

Cross-reference equivalents

Showing the 40 closest cross-references of 43 total interchangeable part numbers for this plug.

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.