Partszen MS391 carburetor kit ready for installation on Stihl chainsaws
Partszen Walbro WTE-9A compatible carburetor close-up for precise fit
Partszen air filter 1141-140-4400 included for clean air intake
Partszen oil pipe and cap assembly for complete replacement kit
Partszen trigger spring and guide screws for secure throttle control
Partszen oil filter and spark plug set for reliable engine startup
Partszen MS311/MS391 compatibility shot showing real-world fit

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partszen MS391 Carburetor Kit for Stihl MS311/MS391 — Replaces Walbro 1140-120-0601/0605 + Air Filter 1141-140-4400

High-performance patio lawn and garden made for confident daily results

$44.07

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Why customers choose PatioZora Garden

The partszen MS391 carburetor kit is designed to be a practical, ready-to-install solution for Stihl chainsaws such as the MS311, MS311Z, and MS391. This aftermarket kit pairs a Walbro carburetor core with essential components to help you refresh your saw without surprises during the rebuild. Expect a component set that supports a reliable power curve and easier maintenance, while keeping the focus on consistent performance rather than promises of guaranteed results.

What you get in the kit

  • Carburetor parts: 1140 120 0601 for Walbro WTE-9A and 1140 120 0605 for Walbro WTE-17
  • Air filter options: 1141 140 4400 and 1141 120 1600
  • Full assembly contents: carburetor, two paper pads, oil pipe, oil cap, trigger spring, two nuts, two guide screws, oil bubble, two oil filters, spark plug, and air filter

Fit, compatibility, and ease of install

Specifically crafted to fit Stihl MS311 MS311Z MS391 2-Mix models, with WTE-9A or WTE-17 carburetor configurations. The included parts are chosen to support a straightforward replacement process, helping you get back to work with minimal downtime.

Why choose a partszen aftermarket kit

  • Comprehensive replacement kit designed for a smoother installation and fewer missing pieces
  • Multiple filters and pads help keep air and fuel pathways clear during maintenance
  • Core components such as the oil pipe, oil cap, and spark plug are included to support ongoing engine health

Note that this is aftermarket hardware intended to support your saw’s performance. If you encounter any issues, please reach out to us for assistance and guidance.

FAQ

Q: What comes in the Partszen MS391 carburetor kit?

A: Carburetor, two paper pads, oil pipe, oil cap, trigger spring, nuts, guide screws, oil bubble, two oil filters, spark plug, and an air filter.

Q: Is this kit compatible with Stihl MS311, MS311Z, and MS391 models?

A: Yes, it is designed to fit Stihl MS311, MS311Z, and MS391 with Walbro WTE-9A or WTE-17 carburetors.

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