The Briggs & Stratton primer bulb – Ref. 694394 is a genuine OEM part used to prime fuel into the carburetor before starting. Compatible with many lawn mowers, snowblowers, and small gas engines.

  • Type: primer bulb (fuel pump bulb)
  • Reference: Briggs 694394
  • ⚙️ Fits: 500E, 450E, Quantum series engines and more
  • Replaces: older bulb references (check model)
  • Easy install: no special tools required

Replace cracked or leaky bulbs to ensure reliable cold starts and proper fuel delivery.

694394

Data sheet

Part Type
Primer Bulb
Part Origin
OEM – STIHL
Primary Use
Carburation
Brand
Briggs & Stratton
vide
Lawnmower
Small Engine