Bosch FR3LS6 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the Bosch FR3LS6.
The Bosch FR3LS6 is a gasket seat, heat range 3, copper electrode spark plug. These specifications are decoded from the Bosch 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
| Brand | Part | Metal | Buy |
|---|---|---|---|
| Denso | K16PR-U11 | Copper | Buy |
| Denso | IK16 | Iridium | Buy |
| Denso | VK16 | Iridium | Buy |
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