Description
4180 121 1606 – STIHL Spacer Flange
The STIHL 4180 121 1606 is a genuine OEM Spacer Flange, designed to fit precisely within the engine housing or mounting assembly of select STIHL trimmers and brushcutters. This spacer plays a critical role in maintaining proper alignment and spacing between components such as the carburetor, intake manifold, and cylinder head, helping ensure smooth engine performance and vibration control.
Manufacturer ID: 4180 121 1606
Part Name: Spacer Flange
Category: Engine Mount / Intake Spacer
Material: Durable molded composite (heat-resistant)
Function: Maintains correct spacing between intake and engine components
Compatibility:
This spacer flange is commonly used in the following STIHL models:
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FS 38
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FS 45
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FS 46
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FS 55
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FS 55 R
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FS 55 RC
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KM 55
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KM 55 R
-
HL 45
-
FC 55
-
HT 56 C-E
(Always confirm with your model’s parts diagram for exact fit.)
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