{"Kohler":["12 132 02-S"],"Stens":["130-118","130-191","130-526"],"Toro":["77-7330"]}
Champion RC12YC Champion RC12YC Spark Plug replaces these OEM part numbers:
| Ariens | 21531100, 21534100, 21536800, 21537800, 71G |
| Bad Boy | 015-8000-00 |
| Briggs & Stratton | 4217, 491055, 491055MA, 491055S, 491055T, 499608, 5066, 5066A, 5066B, 5066D, 5066H, 5066K, 594056, 692051, 694385, 696202, 72347GS, 792015, 799781, 805015 |
| Champion | 71G, CHM71G |
| Cub Cadet | 759-3336, KH-12-132-02 |
| Gravely | 21531100, 21534100, 21544000, 21551700 |
| Husqvarna | 531308128 |
| John Deere | M78543 |
| Kohler | 12 132 02, 12 132 02-S, 12-132-02-S |
| MTD | 759-3336, KH-12-132-02 |
| Stens | 130-118, 130-191, 130-526 |
| Stihl | 4790 400 7000 |
| Toro | 77-7330 |