Champion 346C2 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the Champion 346C2.
The Champion 346C2 is a copper electrode spark plug. These specifications are decoded from the Champion 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 |
| Champion | RC10YC4 | Copper | Buy |
| Bosch | FR8DCX | Copper | Buy |
| Denso | IK16 | Iridium | Buy |
| Denso | IQ16 | Iridium | Buy |
| NGK | BKR5E11 | Copper | Buy |
| Denso | Q16PR-U11 | Copper | Buy |
| NGK | BKR5ES-11 | Copper | Buy |
| NGK | BCPR5EV11 | Copper | Buy |
| Beru | 14FR-8DUX | — | Buy |
| Beru | Z73 | — | Buy |
| Champion | OE145/R04 | Copper | Buy |
| Champion | OE63/T10 | Copper | Buy |
| Champion | RC10YCC4 | Copper | Buy |
| Champion | RC12YC/101 | Copper | Buy |
| Champion | RC20YC4 | Copper | Buy |
| Champion | RC8YC4/012 | Copper | Buy |
| Denso | 067700-8680 | — | Buy |
| Denso | 067700-8700 | — | Buy |
| Denso | K16PR-ZU11 | Copper | Buy |
| E3 | E364 | — | Buy |
| NGK | 3524 | — | Buy |
| K4RTP-11 | — | Buy | |
| V99750021 | — | Buy |
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.