WT-643-1 Walbro Engine - Overview

Sections of the WT-643-1

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Parts for the WT-643-1

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Primer Bulb

PartSelect #: PS9912182

Manufacturer #: 188-12-1

Genuine Walbro replacement part, this item is sold individually. By pressing the bulb, it will purge the carburetor of air. Fuel will be forced up from the fuel tank through the fuel line then into t...

$6.40

Order now and your part arrives by Apr 6

Diaphragm Assembly

PartSelect #: PS10034285

Manufacturer #: 95-526-9-8

This authentic OEM metering diaphragm assembly is housed within the carburetor of your lawn and garden equipment. Positioned between the carburetor body and the fuel pump, it regulates fuel delivery a...

$9.17

Order now and your part arrives by Apr 6

Needle Idle

PartSelect #: PS9876343

Manufacturer #: 102-284-1

$7.84

Plug Welch

PartSelect #: PS10019039

Manufacturer #: 88-171-8

This is a genuine item that is supplied by the original equipment manufacturer for use with Walbro carburetors. It is an identical replacement for missing or a faulty plug-welch that was installed on ...

$6.40

Order now and your part arrives by Apr 6

Repair Kit

PartSelect #: PS10048160

Manufacturer #: K24-WAT

This is an authentic Walbro replacement part that has been sourced from the original manufacturer to be used with carburetors from small engines. Overtime ethynol additives in gasoline can form deposi...

$34.17

Order now and your part arrives by Apr 6

Spring Compression

PartSelect #: PS10036789

Manufacturer #: 98-405-7

This is an OEM part sourced directly from the manufacturer. The spring is commonly found in Walbro carburetors. This part is made of metal, and is used to provide tension to the needle. Please be a...

$6.40

Order now and your part arrives by Apr 6