Overview
This replacement 20” guide bar and chain set delivers OEM-equivalent fit and cutting performance for your chainsaw. Packaged together, the bar and chain are matched to ensure smooth tracking and consistent cuts. It is a cost-effective alternative when the factory parts are due for retirement.
Key specifications
- Bar length: 20”
- Chain pitch: 3/8”
- Drive links: 70DL
- Includes: guide bar and chain (matched set)
- Material: hardened alloy bar with chrome-plated chain
Compatibility
Designed for ECHO CS-590 and other saws with identical bar-mount dimensions. Before purchasing, verify your specific model number in the compatibility listing, as some saws within a product line use different bar studs or tensioner positions.
Installation notes
Remove the clutch cover and take off the spent bar and chain. Wipe down the bar pad and blow out the oiler port. Position the new bar, thread the chain onto the sprocket and around the bar groove making sure the cutters face forward on top. Use the tension screw to take up slack until the tie straps just lift off the bar rail, then secure the cover firmly.
Common questions
Q: Will this 20-inch bar and chain combo fit my ECHO CS-590 Timber Wolf without any modifications?
Yes, this combo is made to be compatible with the ECHO CS-590 and matches the 20-inch bar length with a 3/8 pitch setup. As long as your saw is running the standard 20-inch bar configuration, it should install directly using the factory bar studs, chain tensioner, and sprocket setup.
Q: Is the chain on this combo the correct 3/8 pitch for the ECHO CS-590, and do I need to check anything else before installing it?
The chain is set up for a 3/8 pitch, which is the correct pitch spec for the CS-590 in this 20-inch configuration. Before installing, it’s still smart to confirm your current drive sprocket and old chain specs, and make sure the chain direction is correct with the cutters facing forward on the top of the bar.
Q: What’s the best way to install and maintain this 20-inch guide bar and chain combo on my CS-590?
When installing, loosen the bar nuts, seat the bar fully on the studs, loop the chain over the clutch drum and bar, then set tension so the chain snaps back into the bar groove but still pulls by hand. For maintenance, keep the chain properly oiled, touch up the cutters regularly, and flip the bar periodically to help it wear evenly.
