3/8 7T Clutch Drum Sprocket with Bearing3/8 7T Clutch Drum Sprocket with Bearing Washer E-Clip Worm Gear

3/8 7T Clutch Drum Sprocket with Bearing3/8 7T Clutch Drum Sprocket with Bearing Washer E-Clip Worm Gear

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$14.04
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$14.04
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3/8 7T Clutch Drum Sprocket with Bearing3/8 7T Clutch Drum Sprocket with Bearing Washer E-Clip Worm Gear

Key Features

  • Sprocket Pitch: 3/8 inch
  • Sprocket Tooth Count: 7
  • Material: High-strength metal alloy construction
  • Complete assembly kit for chainsaw clutch and oil pump drive
  • Includes: 1x Clutch Drum Sprocket, 1x Needle Bearing, 1x Clutch Washer, 1x E-Clip, 1x Worm Gear

Replaces / Cross-Reference Part Numbers

  • 1123 640 2003
  • 1123-640-2003

Compatibility & Fitment

  • Designed for specific Stihl chainsaw models.
  • Fits Stihl: 017, 018, 021, 023, 025
  • Fits Stihl: MS 170, MS 180, MS 210, MS 230, MS 250
  • Note: Always verify part number and model to ensure correct fitment.

When to Replace

  • Visible wear, grooving, or damage on the sprocket teeth
  • Chain slips, binds, or derails frequently
  • Grinding or abnormal noise from the clutch housing
  • Chain continues to spin at idle

Installation Tips

  • Disconnect spark plug wire before beginning service.
  • Use a piston stop tool to prevent engine rotation during clutch removal.
  • Clean all components and the clutch housing area before installing new parts.
  • Lightly grease the needle bearing before installation.
  • Ensure the E-clip is properly and securely seated in its groove.
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  • WIDE COMPATIBILITY

    WIDE COMPATIBILITY

    Compatible with specific Stihl Chainsaw model: 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250.
  • DURABLE MATERIAL

    DURABLE MATERIAL

    This part is made of sturdy material which is flexibility and flame-retardant, enhancing durability
  • SAVING SOLUTION

    SAVING SOLUTION

    Enjoy the great feeling when your chainsaw is repaired and works properly like before
  • IMPORTANT NOTE

    IMPORTANT NOTE

    This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility
THE REPLACEMENT PART THAT KEEP YOUR YARD LOOKING FRESH!

THE REPLACEMENT PART THAT KEEP YOUR YARD LOOKING FRESH!

Fastener Type
Sprocket
Head Style
Round
Finish Type
Zinc
Shape
Round
Compatible groove diameter
0.38 Inches
Manufacturer
BlueStars
Product Dimensions
1 x 1 x 1 inches
Item Weight
8.8 ounces