Craftsman Spark Plug Quantum E Series Engines 625, 675-725
Spark plug fits Briggs & Stratton Quantum E series engines 625, 675-725.
- Genuine OEM replacement spark plug
- Replaces manufacturers number 591040
- Can use this plug on older Quantums if re-gapped to .030, old plug can not be used on this engine
- Replaces MRS Spark Plug for engines listed