Description

1123 640 2074 Chain Sprocket 0.325″ 7T (Genuine STIHL OEM Part)

The STIHL 1123 640 2074 Chain Sprocket is a genuine STIHL OEM drive sprocket designed for chainsaws running a 0.325″ pitch chain with 7 teeth. This sprocket transfers engine power from the clutch to the chain, ensuring efficient cutting performance, smooth chain travel, and reduced wear on drivetrain components.

Precision-manufactured to STIHLs exact standards, this sprocket provides correct chain engagement and dependable operation in demanding cutting conditions.

Product Details

Part Number: 1123 640 2074
Description: Chain Sprocket
Chain Pitch: 0.325″
Tooth Count: 7T
Function: Drives chain from clutch
Brand: STIHL
OEM Status: Genuine STIHL OEM
Condition: New

Key Benefits

Ensures proper chain engagement and smooth power transfer
Designed specifically for 0.325″ pitch chains
Reduces premature wear on chain and guide bar
Improves cutting efficiency and consistency
Direct OEM replacement for correct fit and performance

Applications

Used in the clutch / chain drive system of the following STIHL chainsaws, including but not limited to:

MS 210 / MS 210 C-BE
MS 250 / MS 250 C-BE
021 / 023 / 025 series

(Always confirm chain pitch and compatibility using your STIHL model and serial number.)

Replacing a worn sprocket with the 1123 640 2074 STIHL Genuine OEM 0.325″ 7-Tooth Chain Sprocket helps maintain correct chain speed, protects internal drivetrain components, and ensures safe, reliable cutting performance.