Use to plug fuel pump pulse fitting hole on manifolds.


Save yourself the time and trouble it takes to apply sealant—these fittings come with it already applied to the male threads. Also known as Class 150, they have a zinc-plated finish for extra protection from corrosion.

Pulse Operated, Plastic Housing, Aftermarket Replacement (clone) for Walbro

Rebuild kit for Old Style (Square) Walbro Pumps

Mounting Plate to for Fuel Pump or other accessrories.
Fuel pump not included.

Rebuild kit for New Style (Round) Walbro Pumps

Pulse Operated, Plastic Housing,

Pulse Operated, Plastic Housing. recommended for mots applications. Will flow 18hp+

OEM Briggs (also 557033)

Manifold Spacer, with Pulse Fitting. Aluminum spacer with pulse fitting can be used either in front or behind carb. Run your fuel pump without getting oil in it and/or having to drill into the block. When used behind carb, dyno testing has shown up to 0.2 hp improvement due to longer intake tract. Improvement is over entire RPM range. Even if you don't need a fuel pump, this piece adds power.

Manifold is black anodized

Pulse Operated, Plastic Housing, New Round pump to replace the old style square pumps that has been discontinued. Similar to the round Mikuni, but rebuildable.
Genuine Walbro

Mikuni DF44 Pulse Style Fuel Pump. This fuel pump operates from a vacuum pulse from either the engine's crankcase or intake manifold. Methanol or Gas.
14 lt/hr (3.7 gal/hr)

Will supply most GX200 applications.
Also for GX390/420 Gas Applications

Mikuni DF52 Pulse Style Fuel Pump. This fuel pump operates from a vacuum pulse from either the engine's crankcase or intake manifold. Methanol or Gas.35 lt/hr
Single or Dual outlet

Use for for high volume GX200 & GX390 methanol applications