Adjuster Chain Tensioner Screw For Husqvarna Chainsaws – Fits 42, 44, 50, 51, 55, 133, 234, 238, 242 Models (2-Pack)

If your Husqvarna chainsaw chain is feeling a little loose or won’t stay tight, this adjuster screw might be just the fix you need.

It’s a brand-new, unbranded part that replaces the stock numbers 501546301 and 501454101.

This little aluminum guy works with a ton of popular models like the 42, 44, 50, 51, 55, 133, 234, 238, 242, 246, and 444.

It’s a 2-pack, so you’ll have a spare on hand.

Made in 2024 over in China, it comes with a short 3-month warranty, but for the price, it’s a no-brainer.

Just a simple, traditional-style part to get you back to cutting.