: Uses Tillotson HT-series carburetors (HT-1A, 2B, 3A, or 7A). Major repair kits are coded as RK-1HT or RK-3HT depending on the specific model.
You can find detailed parts breakdowns (IPL) on Scribd to identify specific OEM codes like the crankcase or oil pump. stihl 084 av service manual