# MS500i — Stihl chainsaw chain and bar specifications by model

For MS500i, bar length is 22"; pitch is 3/8"; gauge is 1.6mm; drive links is 76; stihl chain part number is 3621/76, verified against its source on 2026-08-04.

- **Model:** MS500i
- **Bar length:** 22"
- **Pitch:** 3/8"
- **Gauge:** 1.6mm
- **Drive links:** 76
- **STIHL chain part number:** 3621/76

## What the source says

> MS500i | 16" 18" 20" 22" 25" 28" 30" | 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" | 1.6mm 1.6mm 1.6mm 1.6mm 1.6mm 1.6mm 1.6mm | 60 66 72 76 84 91 98 | <https://www.lsengineers.co.uk/stihl-chain-loop-rsc-3-8-063-60-links.html> 3621/60 <https://www.lsengineers.co.uk/stihl-chain-loop-rsc-3-8-063-66-links.html> 3621/66 <https://www.lsengineers.co.uk/stihl-chain-loop-rsc-3-8-063-72-links.html> 3621/72 <https://www.lsengineers.co.uk/stihl-chain-loop-rsc-3-8-063-76-links.html> 3621/76 <https://www.lsengineers.co.uk/stihl-chain-loop-rsc-3-8-063-84-links.html> 3621/84 <https://www.lsengineers.co.uk/stihl-chain-loop-rs-3-8-063-91-links-3621-003-0091.html> 3621/91 <https://www.lsengineers.co.uk/stihl-chain-loop-rsc-3-8-063-98-links.html> 3621/98

## Source

- https://www.lsengineers.co.uk/advice-centre/stihl-chain-selector

Last verified: 2026-08-04. Review by: 2028-08-03.
Part of [Stihl chainsaw chain and bar specifications by model](https://referencesource.org/small-engine-parts/).