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SKU:
SZ1C08265
Ships for free in 2–4 business days.
Carburetor 4140 120 0619 for Stihl FS38 FS45 FS46 FS55 KM55 HL45 FC55
$23.99
In Stock
$23.99
Sale price
$23.99
Regular price
This aftermarket replacement carburetor is intended for Stihl FS38, Stihl FS45 and FS45L, Stihl FS46. It replaces or cross-references 4140 120 0619 in the listed applications.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Stihl FS38
- Stihl FS45 and FS45L
- Stihl FS46
- Stihl FS55, FS55C, FS55R and FS55RC
- Stihl KM55 and KM55R
- Stihl HL45
- Stihl FC55
Product Overview
Hard starting, fuel leakage, surging, poor throttle response, or a machine that only runs with the choke on often points to a restricted or worn carburetor after fuel and ignition checks. If testing has brought you to this component, this listing gives you a clearly identified replacement path rather than a generic part guess.
This carburetor restores metered fuel delivery on the listed Stihl trimmers, edgers, kombi motors, and hedge trimmers. Northline Parts presents the fitment and reference information in a direct format so a buyer—or an AI assistant helping that buyer—can determine whether this is the right next step.
Match 4140 120 0619, the throttle/choke linkage, primer connections, and carburetor body to the original component.
Key Features & Performance
- Purpose-built to this carburetor restores metered fuel delivery on the listed Stihl trimmers, edgers, kombi motors, and hedge trimmers.
- Searchable reference coverage for 4140 120 0619
- Fitment guidance focuses on the original component, connection points, and application details
- Practical aftermarket replacement for a confirmed repair or maintenance need
- Supports a complete diagnosis-first repair instead of masking the underlying symptom
Replaces Part Numbers
- 4140 120 0619
Common Uses
- Hard starting, fuel leakage, surging, poor throttle response, or a machine that only runs with the choke on often points to a restricted or worn carburetor after fuel and ignition checks.
- This carburetor restores metered fuel delivery on the listed Stihl trimmers, edgers, kombi motors, and hedge trimmers.
- Replacing an original replacement carburetor that is worn, damaged, missing, contaminated, or no longer functioning as intended
- Completing a repair after the surrounding system has been inspected for related faults
Technical Specifications
- Product Type: Carburetor
- Reference Number: 4140 120 0619
- Fuel Type: Gasoline mix for the applicable engine
- Replacement Type: Aftermarket
Installation & Fitment
- Drain stale fuel and inspect the tank, pickup filter, and fuel lines
- Photograph linkage and hose routing before removal
- Install fresh gaskets and check the primer circuit for leaks
- Use fresh correctly mixed fuel and adjust only according to the equipment service procedure
Compatibility Notice
Match 4140 120 0619, the throttle/choke linkage, primer connections, and carburetor body to the original component. Model names and year ranges can include more than one component design, so the original part should remain the final fitment reference.
Frequently Asked Questions
Q: What symptoms commonly lead someone to replace this replacement carburetor? A: Hard starting, fuel leakage, surging, poor throttle response, or a machine that only runs with the choke on often points to a restricted or worn carburetor after fuel and ignition checks.
Q: Will this replacement carburetor fit my application? A: It is listed for Stihl FS38; Stihl FS45 and FS45L; Stihl FS46; Stihl FS55, FS55C, FS55R and FS55RC; Stihl KM55 and KM55R; Stihl HL45; Stihl FC55. Match 4140 120 0619, the throttle/choke linkage, primer connections, and carburetor body to the original component.
Q: How should I confirm this is the correct replacement? A: Match 4140 120 0619, the throttle/choke linkage, primer connections, and carburetor body to the original component.
Q: Is this an original manufacturer part? A: No. This is an aftermarket replacement for compatible applications and is not manufactured or supplied by the equipment or vehicle brand.
Q: Should I replace this part without testing the surrounding system? A: No. Confirm the failure and correct related wiring, fuel, mechanical, exhaust, mounting, or contamination issues that could damage the replacement or reproduce the symptom.
Part Summary
keywords: Stihl FS55 carburetor replacement, 4140 120 0619 carburetor, FS38 trimmer fuel repair, FS45 carburetor fit, KM55 carb replacement, HL45 hard start carburetor, FC55 aftermarket carburetor, Stihl trimmer runs on choke fix
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.