Mtanlo Air Filter Tune Up Kit for Husqvarna 445/450 Series Chainsaws | 531309681

Keep your Husqvarna chainsaw performing at its best with the Mtanlo Air Filter Tune Up Kit. This all-in-one maintenance set brings fresh filtration and reliable ignition components to compatible models, helping you start quicker and run smoother between service intervals. The kit blends high-quality parts with straightforward fitment, so you can approach maintenance with confidence rather than guesswork.

Designed for select Husqvarna saws, this kit includes everything you need for a thorough refresh: a clean air filter, a fresh fuel filter, a new spark plug, a dependable primer bulb, and two sturdy bar nuts. The parts are chosen to fit models such as 445, 450, 445e, 450e, 450 Rancher, 450e II, and 450 II, ensuring a snug, precise replacement that minimizes downtime and simplifies stock management for maintenance crews and DIY users alike.

Use cases you may recognize include prepping for a busy cutting season, restoring quick starts after storage, or routine servicing after heavy use. The refreshed components support clear air intake, steady fuel delivery, reliable ignition, and secure bar mounting, all of which can contribute to consistent performance on demanding jobs without requiring new tools or specialized skills.

What’s included

• Air Filter
• Fuel Filter
• Spark Plug
• Primer Bulb
• Two Bar Nuts

Replacement part numbers are 544080803 and 503443201, which helps when you cross-reference with OEM parts. Before ordering, compare the kit with your original components to confirm fit and compatibility with your saw model.

Key benefits at a glance

• Improved air and fuel filtration to help protect engine internals
• Reliable ignition with a new spark plug for easier starts
• Fresh primer bulb to assist with smooth, quick starting
• Secure bar mounting with new bar nuts for consistent cutting performance
• Compatible with multiple Husqvarna models, reducing guesswork during maintenance

Quality and service matter. Mtanlo backs this kit with a 90-day satisfaction guarantee, offering returns, refunds, or free exchanges if you’re not fully satisfied due to defects, accidental damage, or general dissatisfaction. If you have any questions about fit or installation, reach out and we’ll be glad to help.

From the moment you open the package, you’ll notice clean, well-packaged components designed for straightforward installation. When installed, the kit supports clean intake and reliable ignition, contributing to smoother starts and steadier performance across typical Husqvarna cutting tasks. While results can vary based on usage and maintenance history, many users report a noticeable improvement after a refresh with this kit.