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4283 700 6900
$17.97
4283 700 6900
$17.97
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- 4180 121 1606 STIHL Spacer Flange – Genuine OEM Part
Description
4180 121 1606 STIHL Spacer Flange – Genuine OEM Part
The STIHL Spacer Flange (4180 121 1606) is a genuine OEM replacement spacer flange designed for use on select STIHL professional trimmers, brushcutters, hedge trimmers, and earth augers.
This spacer flange is installed in the muffler and air filter assembly area to ensure proper spacing, alignment, and secure mounting of related engine components. Correct spacing is essential for maintaining airflow integrity and preventing leaks or misalignment.
Manufactured to STIHL factory specifications, this spacer flange provides the correct dimensions, strength, and durability required for reliable operation under demanding conditions.
Replacing a worn or damaged spacer flange helps maintain proper component alignment and supports consistent engine performance.
Manufactured to STIHL OEM standards, this spacer flange ensures correct fitment and long service life.
Product Details
OEM Part Number: 4180 121 1606
Brand: STIHL (Genuine OEM)
Part Type: Spacer Flange
Application: Muffler / air filter assembly spacing component (model-specific)
Condition: New Genuine OEM Part
Function
This OEM spacer flange is designed to:
Provide correct spacing between engine components
Maintain proper alignment in muffler and air filter assemblies
Support secure mounting of related parts
Replace worn or damaged original spacer flanges
Help prevent air leaks and vibration issues
⚠️ A damaged spacer flange may cause misalignment, air leaks, or reduced performance.
Verify Fitment (Recommended)
Before ordering, confirm:
OEM part number 4180 121 1606
Application matches your STIHL parts diagram
Spacer flange location corresponds to muffler and air filter area
⚠️ Always verify fitment by OEM part number and parts diagram, as spacer flanges vary by model.
Compatibility
Fits select STIHL models, including:
HT 131
HT 132
HT 133
HT 135
FS 131
FS 131 R
FS 131.0
FS 131.0 R
FS 311
KM 131 R
BT 131
(Exact application varies by model and configuration — verify using OEM parts diagram.)
Installation Notes
Turn off engine and allow it to cool
Access muffler and air filter assembly
Remove the existing spacer flange carefully
Install STIHL OEM spacer flange 4180 121 1606 in correct position
Reassemble components securely
⚠️ Improper installation may cause air leaks or component misalignment.
Maintenance Tips
Inspect spacer flanges during routine service
Replace worn components promptly
Use only genuine STIHL OEM spacer flanges for correct fit and durability
Additional Information
Shipping & Return
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