Overview
When your saw’s bar is grooved out or the chain is stretched beyond adjustment, this 20” combo kit gets you back in action fast. You receive a matched guide bar and cutting chain engineered to OEM dimensions, delivering reliable performance at a fraction of the dealer price. A solid pick for weekend wood-cutting duties.
Key specifications
- Bar length: 20”
- Includes: guide bar and chain (matched set)
- Material: hardened alloy bar with chrome-plated chain
Compatibility
Designed for Stihl 3003 008 8921 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
Start by loosening the side-cover nuts and removing the worn bar and chain. Clean the bar pad and oil hole thoroughly. Mount the new bar, drape the chain over the nose sprocket and drive sprocket, and reinstall the cover. Set the tensioner so the chain has slight sag on the underside but stays in the rail, then fully tighten the cover.
Common questions
Q: Will this 20-inch bar and chain combo fit my Stihl saw if it uses guide bar part number 3003 008 8921?
Yes, this combo is made to match Stihl guide bar specification 3003 008 8921, so it’s intended for saws that call for that exact bar mount and size. If your current bar is a 20-inch setup and the stamped part number or owner’s manual matches 3003 008 8921, this should be the correct fit.
Q: Does this combo come ready to install, and do I need to do anything special when putting the new chain on the 20-inch bar?
The bar and chain are matched as a combo, so installation is straightforward as long as you route the chain in the correct cutting direction and set the tension properly. After installing, fill the bar oil, check that the chain moves freely by hand with gloves on, and recheck tension after the first few minutes of cutting since a new chain will usually stretch slightly.
Q: How do I maintain this 20-inch guide bar and chain combo so it lasts longer on my Stihl saw?
Keep the chain sharpened, maintain proper chain tension, and make sure the oiler is feeding enough bar oil every time you run the saw. It also helps to clean the bar groove and oil holes regularly and flip the 20-inch bar periodically so the rails wear more evenly.
