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4149 140 0601 STIHL Muffler Genuine OEM Part

4149 140 0601 STIHL Muffler Genuine OEM Part

Original price was: $19.66.Current price is: $5.90.

SKU: G553375201 Category:

Description

4149 140 0601 STIHL Muffler Genuine OEM Part

The STIHL Muffler (4149 140 0601) is a genuine OEM exhaust muffler designed for use on select STIHL trimmers, Kombi tools, and long-reach hedge trimmers (serial number ranges apply).

This muffler is used in the engine exhaust system to reduce noise, direct exhaust flow, and support proper engine performance. Replacing a cracked, damaged, leaking, or clogged muffler helps maintain correct exhaust backpressure, improves reliability, and supports stable running.

Manufactured to STIHL factory specifications, this OEM muffler provides correct fitment, secure mounting, and long-lasting durability.

Product Details

  • OEM Part Number: 4149 140 0601

  • Brand: STIHL (Genuine OEM)

  • Part Type: Muffler / Exhaust

  • Application: Engine exhaust system (varies by model)

  • Condition: New Genuine OEM Part

Function

This OEM muffler is designed to:

  • Reduce engine exhaust noise

  • Direct exhaust gases safely away from the engine

  • Support correct exhaust flow and proper backpressure

  • Replace cracked, damaged, leaking, or clogged mufflers

  • Maintain reliable engine performance and long service life

A damaged or leaking muffler may cause excessive noise, loss of power, overheating, or unsafe exhaust exposure.

Verify Fitment (Recommended)

Before ordering, confirm:

  • OEM part number 4149 140 0601

  • Your STIHL model is listed below

  • Your engine serial number matches the range shown

  • Part location matches your parts diagram

Always verify fitment by OEM part number and serial number for best accuracy.

Compatibility (Fits STIHL Models)

(Serial number range applies)

Hedge Trimmers / Long-Reach Units

  • HL 91 K (Engine up to serial number 514399784)

  • HL 94 K (Engine up to serial number 514368761)

  • HL 94 (Engine up to serial number 514368761)

Trimmers / Brushcutters

  • FS 94 R (Engine up to serial number 514309587)

Kombi Tools

  • KM 94 R (Engine up to serial number 514291126)

Installation Notes

  • Turn off engine and allow it to cool completely

  • Remove the muffler cover or shroud if required

  • Remove the old muffler and inspect mounting bolts

  • Install STIHL OEM muffler 4149 140 0601

  • Tighten fasteners evenly and reinstall any covers

  • Start engine and check for exhaust leaks

Exhaust parts get extremely hot. Always allow full cooling before service.

Maintenance Tips

  • Inspect the muffler for cracks, leaks, and carbon buildup

  • Replace damaged mufflers to prevent overheating and power loss

  • Use genuine STIHL OEM exhaust parts for correct fit and safe operation

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