Denso L4G Spark Plug

Specs, cross-brand equivalents, vehicle fitment, and live prices for the Denso L4G.

Denso
L4G
BrandDenso
MetalCopper
Thread18mm
Heat4

The Denso L4G is a 18mm thread, gasket seat, heat range 4, copper electrode spark plug. These specifications are decoded from the Denso 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

BrandPartMetalBuy
DensoIWF22Iridium Buy

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