
A practical 12-inch replacement chain for select compact saws

The Opuladuo 12 Inch Chainsaw Chain is intended as a replacement option for several popular 12-inch saws, including the Greenworks 40V Cordless Chainsaw, Sun Joe SWJ698E 9A Electric Chain Saw, Echo CS-271T 12 in. Gas Chainsaw, and Earthwise LCS32412 24V Cordless Electric Chain Saw. If your saw uses a 12-inch bar and the chain specifications match your current setup, this can be a convenient replacement for routine cutting and maintenance.
Because chains must match more than bar length alone, it is important to confirm fitment before ordering.
Will this chain fit your saw?

Start with the one known specification: this is a 12-inch chainsaw chain. That means it is meant for saws equipped with a 12-inch guide bar, but bar length by itself is not enough to guarantee compatibility.
To confirm fit, check these four items on your current chain, guide bar, or owner’s manual:
- Bar length: must be 12 inches
- Pitch: must match your saw’s drive sprocket and bar
- Gauge: must match the bar groove width
- Drive-link count: must match the exact bar and tensioning setup
If any one of those does not match, the chain may not fit correctly even if the bar is 12 inches long.
According to the original listing, this chain is compatible with these models:
- Greenworks 40V Cordless Chainsaw
- Sun Joe SWJ698E 9A Electric Chain Saw
- Echo CS-271T 12 in. Gas Chainsaw
- Earthwise LCS32412 24V Cordless Electric Chain Saw
A good way to verify fitment is to remove your existing chain and compare its markings and specs to the replacement you are considering. If your old chain is worn and markings are hard to read, the bar stamp or owner’s manual is usually the best source.
Replacing the chain
Replacing a small chainsaw chain is usually straightforward, but safe handling matters.
- Power the saw off completely. Unplug corded saws, remove the battery from cordless saws, or disconnect the spark plug on gas models if appropriate.
- Wear gloves. Even a dull chain can cut your hands on the cutters and drive links.
- Remove the side cover and release chain tension. This gives enough slack to lift the old chain off the bar and sprocket.
- Install the new chain in the correct cutting direction. The sharp cutting edges on the top of the bar should face forward toward the bar nose.
- Refit the bar and side cover, then tension the chain. The chain should sit snugly in the bar groove while still being able to move by hand.
- Recheck tension after a short test run. New chains can settle in quickly and may need a minor adjustment.
If the chain feels too tight, binds in the groove, or hangs too loose under the bar, stop and adjust before cutting.
Keeping it sharp

A replacement chain lasts longer and cuts better when it is maintained consistently.
- Keep it properly lubricated. Always make sure bar and chain oil is reaching the chain during use.
- Touch up the cutters early. A few light file strokes at the first sign of slower cutting is better than waiting until the chain is very dull.
- Avoid dirt and ground contact. Even one accidental touch in soil can dull a chain very quickly.
A sharp chain should pull itself into the wood with light pressure and produce chips rather than fine dust.
FAQ
Does this fit every 12-inch chainsaw?
No. A 12-inch bar is only one part of fitment. You also need the correct pitch, gauge, and drive-link count.
Can this be used on the Greenworks 40V Cordless Chainsaw, Sun Joe SWJ698E, Echo CS-271T, and Earthwise LCS32412?
These are the models specifically named in the original listing. Even so, it is still smart to compare your current chain’s full specifications before ordering, especially if the saw has had a bar or chain change in the past.
Get this chain
Ships from Amazon — check current price, stock and full fitment on the listing.