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4128 182 4501 STIHL Torsion Spring Genuine OEM Part

4128 182 4501 STIHL Torsion Spring Genuine OEM Part

Original price was: $7.00.Current price is: $2.10.

SKU: G553375336 Category:

Description

4128 182 4501 STIHL Torsion Spring Genuine OEM Part

The STIHL Torsion Spring (4128 182 4501) is a genuine OEM replacement spring designed for use in the control handle and bike handle assemblies of many STIHL brushcutters, trimmers, hedge trimmers, KombiSystem units, and specialty equipment. This torsion spring plays a key role in maintaining proper trigger return tension and smooth control operation.

Manufactured to STIHLs exact specifications, this OEM torsion spring ensures correct fitment, reliable performance, and long-lasting durability when replacing worn, broken, or weakened handle springs.

Product Details

  • OEM Part Number: 4128 182 4501

  • Brand: STIHL (OEM)

  • Part Type: Torsion Spring

  • Application: Control Handle / Bike Handle Assembly

  • Condition: New Genuine OEM Part

Function

This torsion spring is designed to:

  • Provide return tension for throttle and handle controls

  • Support smooth trigger and control lever operation

  • Replace broken, worn, or weakened torsion springs

  • Restore proper handle response and safe equipment control

  • Maintain reliable performance during operation

A damaged torsion spring may cause sticking controls or unsafe throttle operation.

Verify Fitment in 30 Seconds

Before ordering, confirm the following:

  • OEM part number 4128 182 4501

  • Part location: control handle / bike handle assembly

  • Compatible STIHL model listed below

Always verify fitment by OEM part number for best accuracy.

Compatibility

Fits a wide range of STIHL equipment, including:

Brushcutters / Trimmers

  • FS 55, FS 55-D, FS 55 C-E D

  • FS 75, FS 83, FS 85, FS 85 R, FS 85 RX

  • FS 90, FS 90 R

  • FS 91, FS 91 R

  • FS 94 R

  • FS 100 RX

  • FS 110, FS 110 R, FS 110 RX

  • FS 111, FS 111 R, FS 111 RX

  • FS 120, FS 120 R

  • FS 130, FS 130 R

  • FS 131, FS 131 R

  • FS 160

  • FS 235.0, FS 235.0 R

  • FS 240, FS 240 R, FS 240.0 R

  • FS 250, FS 250 R, FS 250.0 R

  • FS 251, FS 251 R, FS 251.0 R

  • FS 280 K

  • FS 310, FS 311

  • FS 350

  • FS 360 C-E / C-EM

  • FS 361 C-EM

  • FS 410 (4147)

  • FS 450-K

  • FS 460, FS 460 C-EM

  • FS 461 C-EM

  • FS 550

  • FS 560 C-EM

  • FS 561 C-EM

KombiSystem Units

  • KM 56 RC-E

  • KM 85 R

  • KM 90 R

  • KM 91 R

  • KM 94 R

  • KM 110 R

  • KM 111 R

  • KM 130 R

  • KM 131 R

Hedge Trimmers / Long Reach Units

  • HL 75, HL 75 K

  • HL 90 K

  • HL 91 K

  • HL 94, HL 94 K, HL 94 KC-E

  • HL 100, HL 100 K

Pole Pruners

  • HT 70, HT 75

  • HT 100, HT 101, HT 102

  • HT 103, HT 105

  • HT 130, HT 131

  • HT 132, HT 133, HT 134, HT 135

  • HT 250

Clearing & Backpack Units

  • FR 235.0

  • FR 410 C-E, FR 410.0 C-E

  • FR 460 TC-EFM, FR 460.0 TC-EFM

Specialty Equipment

  • FC 75, FC 85

  • FC 90, FC 91, FC 95, FC 96

  • FC 100, FC 110, FC 111

  • BT 120 C, BT 121, BT 130, BT 131

  • SP 200

  • KW 85

  • MM 55, MM 55 C-E

  • MM 56 C-E Yard Boss

  • FB 131

Battery Units

  • FSA 90 R

This list includes common applications always confirm using your parts diagram or owners manual.

Installation / Usage

  1. Turn off engine and allow it to cool completely

  2. Remove the control handle housing carefully

  3. Locate the torsion spring in the trigger or control mechanism

  4. Replace the worn or broken spring with the new STIHL OEM part

  5. Reassemble handle components and test trigger return action

Springs may be under tension use caution during installation.

Maintenance Tips

  • Inspect throttle and handle controls regularly for smooth movement

  • Replace weakened springs immediately to maintain safe operation

  • Keep handle assemblies clean and free of debris

  • Lubricate moving parts as recommended by STIHL

  • Use only genuine STIHL replacement parts for best fit and reliability

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