Champion RJ12Y6 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the Champion RJ12Y6.
The Champion RJ12Y6 is a heat range 12, 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 |
|---|---|---|---|
| Bosch | WR10FCY | Copper | Buy |
| Bosch | WR10FCZ | Copper | Buy |
| Bosch | WR10FY | Copper | Buy |
| ACDelco | R44SX | — | Buy |
| ACDelco | R45SX | — | Buy |
| ACDelco | R46SX | — | Buy |
| ACDelco | R46SZ | — | Buy |
| Bosch | WR9FCY | Copper | Buy |
| Bosch | WR9FCZ | Copper | Buy |
| Bosch | WR9FPY | Platinum | Buy |
| Bosch | WR9FPZ | Platinum | Buy |
| Bosch | WR9FY | Copper | Buy |
| Champion | 66 | — | Buy |
| Champion | RJ12YC6 | Copper | Buy |
| Champion | RJ18Y6 | Copper | Buy |
| Champion | RJ18Y8 | Copper | Buy |
| Champion | RJ18YC6014 | Copper | Buy |
| Champion | RJ18YC6T04 | Copper | Buy |
| Champion | RJ18YC8 | Copper | Buy |
| Denso | W14PR-U15 | Copper | Buy |
| Denso | W16PR-U15 | Copper | Buy |
| Denso | W9PR-U15 | Copper | Buy |
| Denso | W9PR-U20 | Copper | Buy |
| Motorcraft | AR42-6 | — | Buy |
| Motorcraft | AR52-6 | — | Buy |
| Motorcraft | AR82-6 | — | Buy |
| Motorcraft | AR82-8 | — | Buy |
| Motorcraft | AS42C-6 | — | Buy |
| Motorcraft | AS82-7 | — | Buy |
| Motorcraft | AS82C-7 | — | Buy |
| NGK | BPR4S-15 | Copper | Buy |
| NGK | BPR4S-20 | Copper | Buy |
| NGK | XR45 | Copper | Buy |
| 14R42-6 | — | Buy | |
| 14R42A | — | Buy | |
| 14R52A | — | Buy |
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