STIHL 1121 640 2004 Chain Sprocket .325" 7 Tooth

New OEM STIHL 1121 640 2004 Chain Sprocket – 0.325" 7 Tooth

This listing is for a new, genuine OEM STIHL chain sprocket, manufactured to original factory specifications for precise fit, smooth power transfer, and long service life.

The 0.325-inch pitch, 7-tooth sprocket is a critical drive component in the clutch system of compatible STIHL chainsaws. Using a new OEM STIHL sprocket ensures proper chain engagement, reduced wear on the chain and bar, and reliable cutting performance.

Key Product Details

• Condition: New

• Brand: STIHL

• OEM Part Number: 1121 640 2004

• Product Type: Chain Sprocket

• Pitch: 0.325"

• Tooth Count: 7T

• Equipment Type: Chainsaw

• Genuine STIHL OEM part, not aftermarket

Product Features

• Manufactured to STIHL OEM specifications

• Precision-machined for correct chain engagement

• Designed for clutch and drive system applications

• Helps reduce chain and bar wear

• Ensures smooth, consistent power transfer

• Durable construction for long-term use

Compatible Models and Fitment

This new OEM STIHL chain sprocket (1121 640 2004) is used on the following models:

• STIHL MS 260 Pro (Clutch, Chain Sprocket)

• STIHL MS 260 (Clutch, Chain Sprocket)

• STIHL 026 Pro (Clutch, Chain Sprocket)

• STIHL 026 (Clutch, Chain Sprocket)

• STIHL MS 280 (Oil Pump, Clutch)

• STIHL MS 270 (Oil Pump, Clutch)

• STIHL MS 270 C-B (Oil Pump, Clutch)

Always verify your chainsaw model and sprocket specifications before ordering to ensure proper compatibility.

Why Choose Genuine STIHL OEM Parts

Genuine STIHL parts are engineered to exact factory standards to deliver proper fit, dependable performance, and extended component life. OEM sprockets help maintain correct chain speed, reduce drivetrain stress, and prevent premature wear caused by improper tolerances.

Ideal Applications

• Replacement of worn or damaged chain sprockets

• Routine clutch and drive system maintenance

• Maintaining factory cutting performance and safety

This is a new OEM STIHL chain sprocket, 0.325" pitch, 7 tooth.
Order STIHL part number 1121 640 2004 today for factory-correct fitment and reliable chainsaw performance.