Briggs & Stratton Parts
Part description: Briggs & Stratton 397974 gas cap
1 3/4" I.D.
Other part numbers:
397974S
4131
493017
Replacement gas cap for Briggs & Stratton models:
3.5hp to 6hp Europa vertical engines
3.5hp to 6hp Max vertical engines
3.5hp to 6hp Quantum vertical engines
Popular engine applications:
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