Champion Spark Plug Numbers and Codes
Champion plugs carry a number (like 71) and a code (like RC12YC). This chart lists both for every Champion plug we carry. Search either one to find the plug. How Champion numbers work.
| Champion number | Plug code |
|---|---|
| 10 | J12YC |
| 14 | RJ12YC |
| 18 | RV15YC4 |
| 25 | RV17YC |
| 58 | RJ18YC |
| 71 | RC12YC |
| 104 | RN4C |
| 121 | RV8C |
| 300 | N9YC |
| 312 | L87YC |
| 322 | RN11YC4 |
| 346 | RC10YC4 |
| 401 | RS12YC |
| 404 | RN12YC |
| 405 | RN14YC |
| 406 | RV12YC |
| 408 | RS14YC |
| 412 | RC12LYC |
| 415 | RN9YC |
| 431 | RC14YC |
| 446 | REC12MCC4 |
| 502 | D21 |
| 592 | RJ12C |
| 801 | N3C |
| 803 | N4C |
| 810 | RA8HC |
| 821 | L77JC4 |
| 823 | J6C |
| 825 | J4C |
| 827M | L76V |
| 828M | QL77JC4 |
| 833M | L78V, LV78 |
| 840 | RCJ8 |
| 841 | J8C |
| 843 | CJ8 |
| 844 | H10C |
| 845 | J17LM |
| 846 | CJ14 |
| 847 | DJ8J |
| 848 | CJ8Y |
| 849 | CJ6 |
| 850 | DJ7J |
| 851 | DJ6J |
| 852 | RCJ6Y |
| 853 | CJ7Y |
| 854 | RH10C |
| 855 | DJ7Y |
| 856 | RJ17LM |
| 858 | CJ6Y |
| 859 | RCJ7Y |
| 860 | RDJ7J |
| 861 | J19LM |
| 863 | RCJ8Y |
| 868 | RJ19LM |
| 872 | RDJ7Y |
| 909 | RS17YX |
| 931M | QL82C |
| 933M | QL86C |
| 938M | QL78YC |
| 940 | RDZ19H |
| 941M | QL77CC |
| 946 | QC12YC |
| 965 | RZ7C |
| 973 | RJ19HX |
| 979 | RDZ4H |
| 980 | XC92YC |
| 982 | XC12YC |
| 988 | XC10YC |
| 3071 | RC12PYC |
| 9005 | QC10WEP |
| 9407 | RER8ZWYCB4 |
Always check the number on your old part or your owner's manual before ordering. If anything doesn't match, email us the number on your old part and we'll help.