Heavy Duty Fuel Pump Diaphragm Repair Kit A Slick Drop In Replacement For OEM 393397 Built Tough For 16Hp And 18Hp Twin Cylinder Engines With An Easy Three Screw Carb Update

Single durable fuel diaphragm kit swapping OEM 393397 units
✔️ Fits three screw carburetors and handles 16 to 18 hp twin motors perfectly

This repair kit gives your small engine fresh fuel delivery without buying a whole new fuel pump assembly. You install this sealed diaphragm pack directly onto three bolt mounting systems for smooth operation on lawn tractors and garden equipment.

✅ Replaces factory part number thirty nine three three nine seven without modification
✅ Matches BS stock codes sixty nine three four eight zero and six hundred ninety four zero two six
✅ Direct drop fit seats clean on fourteen to eighteen horsepower twin cylinder builds

💡 What makes a modern fuel pump diaphragm repair kit better than swapping the entire assembly on outdoor power equipment? This handy fix saves cash compared to hunting down discontinued cast housings.
+ Standard EPDM blends handle high ethanol levels without swelling past the pump housing limits.
+ Tight tolerance cuts keep prime lines moving fast even after months of summer heat.
+ Factory stamp matching ensures straight torque patterns on every three bolt flange design.

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