1137 640 2005 – STIHL Clutch Drum with 6-Tooth Sprocket, 3/8" Picco 2023 Scag STTII-61V-38CH-EFI Seals the combustion chamber for

Seals the combustion chamber for proper compression

Primary Use: Belt drive & mower deck systems

and prevent overheating—ensuring reliable performance and prolonged engine life under continuous operation

The 07241700 HA-Wrapped V-Belt is commonly used on Ariens and Gravely ZT-series zero-turn mowers

1137 640 2005 – STIHL Clutch Drum with 6-Tooth Sprocket, 3/8" Picco 2023 Scag STTII-61V-38CH-EFI Seals the combustion chamber for1137 640 2005 STIHL Clutch Drum with 6 Tooth Sprocket, 3 8" Picco The 1137 640 2005 is a clutch drum assembly with an integrated sprocket designed for use in STIHL chainsaws that operate with a 3 8 inch Picco pitch chain. The drum includes a 6 tooth drive sprocket and is manufactured from heat treated steel. This part is designed to match original equipment dimensions and tolerances for compatible STIHL chainsaw models. Specifications: Part Number: