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Chainsaw

Stihl MS 391

2-Stroke

Spark Plug

OEM0000 400 7000(0.5mm gap)

Air Filter

OEM1140 140 4401Fleece filter; fits MS311, MS362, MS391
BrandPart #
Stens605-644Buy on Amazon →

Fuel Filter

OEM0000 350 3518Orange in-tank pickup body fuel filter
BrandPart #