This Genuine stihl Replacement Oil Pump fits Stihl chainsaw models 029, 039, MS290, MS310, MS311 & MS391
Replaces stihl Part numbers : 1127 640 3204, 11276403204, 1127-640-3204
Fits Stihl 029, 039, MS290, MS310, MS390, MS311 & MS391 models.
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