Stihl 1123 660 3001 — Genuine OEM Cylinder Gasket
Stihl 1123 660 3001 — Cylinder Gasket
Also known as: engine head gasket, cylinder head seal, compression gasket
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Specifications
| Specification |
Detail |
| Part Number |
1123 660 3001 |
| Brand |
Stihl |
| Part Type |
Cylinder Gasket |
| OEM / Aftermarket |
Genuine OEM |
| Primary Fitment |
Stihl 017, 018, MS 170, MS 180 Chainsaw Series |
| Quantity |
1 per package |
The Stihl 1123 660 3001 is a genuine OEM cylinder gasket designed to seal the mating surface between the cylinder and engine block on compatible Stihl chainsaws. Also referred to as the cylinder head gasket, compression gasket, or engine base gasket, this part prevents combustion gas leaks and maintains proper engine compression during operation. It is commonly used in Stihl 017, 018, MS 170, and MS 180 chainsaw models during engine rebuilds, cylinder replacements, or top-end repair services. Installing a genuine OEM part ensures a precise fit and restores factory compression performance.
Key Features▼
Genuine OEM Stihl Specification
Part number 1123 660 3001 is manufactured to exact Stihl factory tolerances. Unlike aftermarket alternatives, this genuine OEM gasket ensures the correct thickness, material composition, and sealing surface geometry for a leak-proof compression seal.
Chainsaw Engine Rebuild and Top-End Repair
Used during cylinder replacements, piston ring services, and full engine rebuilds on Stihl 017, 018, MS 170, and MS 180 chainsaws. Replacing gasket 1123 660 3001 restores proper compression and eliminates exhaust or combustion gas leaks at the cylinder base.
OEM Cross-Reference for Stihl 1123 660 3001
This part is referenced in Stihl parts diagrams as the cylinder gasket for the 017 and MS 170 chainsaw engine assemblies. It may also appear under the alternate designation 11236603001 in dealer catalogs and service manuals. Always verify fitment using the OEM part number before ordering.
Compatibility with Stihl MS 170 and MS 180 Models
Stihl 1123 660 3001 is engineered to fit the cylinder bore and mounting pattern of the MS 170 and MS 180 chainsaw families. These are among Stihl's most popular homeowner and light-duty professional saws, making this gasket a frequently requested service part.
Compatible Equipment▼
Stihl part 1123 660 3001 is a direct-fit OEM cylinder gasket compatible with a range of Stihl chainsaw models. The following equipment uses part number 1123 660 3001 as a factory-specified cylinder gasket: the Stihl 017, Stihl 018, Stihl MS 170, Stihl MS 170 C, Stihl MS 180, and Stihl MS 180 C chainsaws. Always confirm your model number and engine displacement before installation.
- Stihl 017 Chainsaw
- Stihl 018 Chainsaw
- Stihl MS 170 Chainsaw
- Stihl MS 170 C Chainsaw
- Stihl MS 180 Chainsaw
- Stihl MS 180 C Chainsaw
Common Questions▼
Q: What chainsaw models use Stihl part 1123 660 3001?
A: Stihl part number 1123 660 3001 is used on the Stihl 017, 018, MS 170, MS 170 C, MS 180, and MS 180 C chainsaw models. These are compact, lightweight saws built for homeowner and light professional use, and this cylinder gasket is part of their standard engine assembly.
Q: Is 1123 660 3001 a genuine Stihl OEM part or an aftermarket replacement?
A: This is a genuine Stihl OEM cylinder gasket, manufactured to the original factory specification. It is not an aftermarket or third-party copy. Using genuine OEM part 1123 660 3001 ensures correct fit, proper sealing, and optimal engine compression on your Stihl chainsaw.
Q: When should I replace the cylinder gasket on my Stihl MS 180 or MS 170?
A: You should replace the cylinder gasket on your Stihl MS 170 or MS 180 any time the cylinder is removed for service, such as during piston replacement, ring replacement, or a full engine rebuild. Signs of a failing gasket include low compression, rough idle, or visible exhaust leaks around the cylinder base. Part 1123 660 3001 should always be replaced rather than reused once disturbed.
Q: What is the alternate part number format for Stihl 1123 660 3001?
A: The part is also referenced without spaces as 11236603001 in some Stihl dealer systems and online catalogs. Both formats refer to the same genuine OEM cylinder gasket. When searching for this part, using the spaced format 1123 660 3001 will typically return the most accurate results in Stihl dealer lookups.
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