Butom 4 Pack Spark Plug Replacement Number:
- Champion RC12YC; NGK BK5ES; Briggs & Stratton 491055 491055S 491055T 499608 5066 72347GS 792015 805015 692051 694385
- Kohler 12 132 02, 12 132 02-S, 12 132 01-S, 25 132 12-A, 25 132 12-S, 24 132 01-S
- ARIENS 21525900, 08811700, 21536800, 21534100, 21531100, 21537800; Gravely 21531100, 21534100, 21536800; MTD CC 759-3336; Husqvrana 531308128