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188121 Primer Bulb

Walbro 188121 Primer Bulb

Part#:  188121
  5.00 Stars - 3 Reviews

Walbro OEM Part

Aftermarket Alternatives


The primer bulb is responsible for bringing additional fuel into the carburetor to assist the engine in starting. Primer bulbs wear out and will eventually need to be replaced.

Fits Model


Also Fits Model

WALBRO WYA35, WA179, WA193, WA223, WT101, WT132, WT140, WT151, WT164, WT169, WT179, WT181, WT188, WT193, WT199, WT204, WT207, WT212, WT223, WT236, WT241, WT253, WY259, WT264, WT272, WT274, WT280, WT297, WT305, WT308, WT318, WT329, WT333, WT346, WT354, WT363, WT365, WT371, WT393, WT40, WT413, WT417, WT419, WT422, WT424, WT431, WT436, WT441, WT445, WT457, WT461, WT469, WT474, WT494, WT474, WT494, WT512, WT522, WT540, WT543, WT547, WT598,WT600, WT610, WT630, WT641, WT648, WT657, WT662, WT673, WT71, WT727, WT730, WT743, WT758, WT765, WT769,WA167, WA192, WA213, WT100, WT117, WT137, WT150, WT163, WT165, WT173, WT180, WT186, WT191, WT196, WT200, WT206, WT211, WT220,WT227, WT238, WT44, WT255, WT260, WT270, WT273, WT278, WT292, WT304, WT307, WT314, WT321, WT330, WT330, WT344, WT352, WT362, WT364, WT369, WT386, WT397,WT412, WT415, WT418, WT420, WT423, WT430, WT432, WT440, WT442, WT447, WT459, WT467, WT471, WT486, WT500, WT521, WT532, WT542, WT544, WT551, WT599, WT602, WT618, WT640, WT643, WT649, WT660, WT665, WT69, WT72,WT729, WT734, WT757, WT763, WT768, WT795 Chainsaw

Replaces OEM

Walbro 188141


Equipment Type Chainsaw

Customer Reviews for the Primer Bulb

Review Rating: Sort By:

Reviewed on

The order was received quickly. Part was exactly what I wanted.

Reviewed on

Easy to install.

Reviewed on

Both the product and the service were excellent

Questions & Answers for the Walbro 188121

Ask us about the Walbro 188121 Primer Bulb. Please no repair questions. Your Q&A may be posted to to help other shoppers, like you, with their purchasing decisions. Thank you.

Repair Tips For Walbro 188121

No repair tips at this time.

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