Air Filter for MS291 MS311 MS362 MS391 Chainsaw | Part 7679

Keep your chainsaw running at peak performance with this high-quality aftermarket air filter replacement. Designed to fit a wide range of popular chainsaw models, this durable plastic air filter is a direct drop-in replacement that helps maintain proper airflow to your engine — extending the life of your equipment and keeping it running cleanly and efficiently.

Made in Mainland China.

Key Features

• Broad Compatibility: Fits MS291, MS311, MS362, MS391, M31, M41, M51, M61, M71, M91, and more
• OEM Part Reference: Part No. 7679 1141 120 1604
• Easy Installation: Direct-fit aftermarket replacement — no modifications required
• Durable Construction: Made from quality plastic designed to withstand the demands of chainsaw operation
• Protects Your Engine: Filters out dust, debris, and particles to help maintain optimal engine performance
• Practical & Cost-Effective: An affordable way to restore proper airflow and keep your chainsaw in top shape

Product Specifications

Package Contents

• 1 x Air Filter (replacement)

Important Notes

• Please review compatibility with your specific chainsaw model before purchasing.
• Please allow a 0.5–1 inch difference due to manual measurement (1 inch = 2.54 cm).
• No installation instructions are included. If you need guidance on installation, please contact us via email — we're happy to help.

For general chainsaw safety and maintenance guidelines, visit the OSHA Chainsaw Safety Resource to ensure safe operation and proper upkeep of your equipment.

Frequently Asked Questions

Q: Which chainsaw models is this air filter compatible with?

A: This replacement air filter is compatible with MS291, MS311, MS362, MS391, M31, M41, M51, M61, M71, and M91 chainsaw models. It corresponds to Part No. 7679 1141 120 1604. Please verify your model number before ordering to ensure a proper fit.

Q: Is this an OEM or aftermarket air filter replacement?

A: This is a high-quality aftermarket replacement air filter. It is designed to meet or exceed the fit and function of the original part, providing a cost-effective alternative to OEM components without sacrificing performance.

Q: How do I install this chainsaw air filter?

A: Installation is straightforward and requires no special tools — simply remove the old air filter from your chainsaw and snap the new one into place. If you need additional guidance, contact us by email and we will provide detailed assistance.

Q: Why is replacing my chainsaw air filter important?

A: A clean air filter ensures proper airflow to the engine, which helps maintain fuel efficiency, prevents overheating, and extends the overall life of your chainsaw. Regular filter replacement is one of the most important routine maintenance tasks for any chainsaw owner.