Description
Overview:
This Spur Gear / Chain Adjusting Screw Kit is a genuine Stihl part designed to restore smooth and accurate chain tensioning on compatible petrol, battery, and electric saws, including the MS210 and MS210C. The kit contains a moulded spur (worm) gear and a precision metal tensioning screw, built for reliable engagement with the guide bar adjuster. It replaces worn or stripped adjuster components so the chain can be set correctly for safe cutting and reduced wear. Engineered for Stihl housings, it maintains alignment and positive drive of the chain tensioner mechanism. Suitable for routine servicing or corrective repair, the kit helps extend bar and chain life and keeps your saw working efficiently. OEM reference: 1123 007 1004.
Key Features:
- Genuine Stihl part for assured compatibility and performance (OEM 1123 007 1004)
- Includes spur (worm) gear and chain adjusting screw to renew the full tensioner drive
- Durable materials: metal screw and robust engineered gear for long service life
- Positive, precise chain adjustment helps reduce bar, sprocket, and chain wear
- Designed to fit correctly within the saw body for smooth, reliable operation
- Ideal fix for stripped adjusters, slipping tension, or inconsistent chain setting
- Straightforward to install with standard hand tools during routine maintenance
- Suitable for frequent use in trade, arborist, and landscaping environments
Typical Applications:
Replacement of worn or damaged chain tension components during bar and chain changes, periodic servicing, or after impact or over-tightening. Used on site, in the workshop, or in the field by arborists, landscapers, grounds teams, and homeowners to keep Stihl chainsaws and pole pruners adjusting accurately and running safely.
Also known as:
Chain tensioner kit, adjuster worm and screw, worm drive gear, chain tensioning screw set, chain adjuster assembly, tensioning gear kit, bar adjuster mechanism.
Fits Models:
019T, 021, 023, 025, E140, E160, E180, E180C, HT-KM, HT-KM Pole Pruner, HT101, HT102, HT103, HT130, HT131, HT132, HT133, HT56 C, HT70, HT70K, HT73, HT75, HTA 66, HTA 85, HTA 86, MS171, MS171C, MS180, MS180C, MS181, MS181C, MS190T, MS191T, MS210, MS210C, MS211, MS211C, MS230, MS230C, MS231, MS231C, MS241C, MS250, MS250C, MS251, MS251C, MSA160T, MSA161T, MSE140, MSE140C, MSE160, MSE160C, MSE170, MSE180, MSE180C, MSE190, MSE200, MSE200C, MSE210, MSE230
Alternate Part Numbers:
1123-007-1004, 11230071004
Product Specifications
| L&S Part No. | 1123 007 1004 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11230071004 |
| Unit of Sale | 1 |
| Applications | 019T, 021, 023, 025, E140, E160, E180, E180C, HT-KM, HT-KM Pole Pruner, HT101, HT102, HT103, HT130, HT131, HT132, HT133, HT56 C, HT56C, HT70, HT70K, HT73, HT75, HTA 66, HTA 85, HTA 86, HTA65, HTA66, HTA85, HTA86, HTKM, MS171, MS171C, MS180, MS180C, MS181, MS181C, MS190T, MS191T, MS210, MS210C, MS211, MS211C, MS230, MS230C, MS231, MS231C, MS241C, MS250, MS250C, MS251, MS251C, MSA160T, MSA161T, MSE140, MSE140C, MSE160, MSE160C, MSE170, MSE180, MSE180C, MSE190, MSE200, MSE200C, MSE210, MSE230 |
| Machine Type | Chainsaws, Pole Pruners |
| Fits Brands | Stihl |
| Fits Models | MS180, MS180C | MS230, MS230C | MS250, MS250C | MS171, MS171C | MS181, MS181C | MS211, MS211C | 019T | 021, 023, 025 | MS231, MS251 | MS241C | E140, E160, E180 | MSE140, MSE160, MSE180, MSE200 | MSE170, MSE190, MSE210, MSE230 | MSA160T | HT56 C | HT70, HT70K, HT75 | HT73 | HT101 | HT102, HT103 | HT130 | HT131 | HT132, HT133 | HTA65 | MS190T | MS191T | HT-KM Pole Pruner | MSA161T | HTA 66 | HTA 85 | HTA 86 | MSA190 T |
