Accelerator Pump O-Rings (Carburetor Model Look-Up)

[EFSM]

can anyone decode a stihl o-ring size? here is part number: 1120 122 3600 and 4140 122 3600

it would be easier to tell you what size you need from the model of carburetor or model of equipment that you’re working on.

 

[hero_n6600]

Hi, EFSM, 1120 122 3600 is for WT112
Also looking for old BR700 piston pump o-ring size, it uses zama C1Q-S183 carb

 

[hero_n6600]

it would be easier to tell you what size you need from the model of carburetor or model of equipment that you’re working on.

Ok, finally has my FS52 Walbro WT carburettor's piston pump oring's part number which is 1120 122 3600, ordered that from Stihl dealer ($6 per oring) and found it is exactly same size as listed for WYL ($10 for 12 oring), amazon link below:

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