Stihl 3690-005-0081 OEM Chainsaw Chain (23RS • 20")

Genuine Stihl OEM Rapid Super (RS) full-chisel chain designed for Stihl saws using the Light 04 guide bar with a .325 pitch, .050 gauge setup. This is the factory-correct 23RS chain loop — not aftermarket — sold by P&P Small Engines.

Product Overview

• Brand: Stihl (OEM)

• Stihl Part Number: 3690-005-0081

• Chain Model: 23RS (Rapid Super)

• Bar Length: 20 inch

• Pitch: .325" (8.35 mm)

• Gauge: .050" (1.3 mm)

• Drive Links: 81

• Cutter Type: Rapid Super (full chisel)

• Stock Number: 36900050081

• Condition: New OEM

This is the exact OEM chain specified by Stihl for saws equipped with a 20" Stihl Light 04 bar using .325 pitch and .050 gauge.

Verify Fitment in 30 Seconds

Before ordering, confirm the following on your guide bar or current chain:

• Bar Length: 20"

• Pitch: .325"

• Gauge: .050"

• Drive Links: 81

• Bar Type: Stihl Light 04

⚠️ Full-chisel RS chains are intended for experienced users and perform best in clean wood.

If you’re unsure about fitment, contact P&P Small Engines and we’ll help verify compatibility before you order.

Compatible Stihl Models

This OEM Stihl chain fits the following models when equipped with a 20" Light 04 bar (.325 pitch, .050 gauge):

• MS 250

• MS 251

• MS 251 C-BE

• Wood Boss® series

⚠️ Model alone does not guarantee fitment — bar specifications must match.

Compatible Guide Bars (Light 04)

This chain is designed to be used with the following Stihl Light 04 guide bars:

• 3005-008-7017 (Wood Boss®)

• 3005-810-7017

Using the correct bar ensures proper chain tracking, tension, and safe operation.

Product Specifications

• Brand: Stihl (OEM)

• OEM Part Number: 3690-005-0081

• Chain Model: 23RS Rapid Super

• Pitch: .325"

• Gauge: .050"

• Drive Links: 81

• Bar Length Compatibility: 20"

• Bar Type: Stihl Light 04

• Use Type: Firewood cutting, landowner use, professional cutting

Why Choose an OEM Stihl Rapid Super Chain?

• ✅ Full-chisel cutters for fast, aggressive cutting

• ✅ Optimized for Stihl mid-range saws

• ✅ Excellent performance in clean wood

• ✅ Manufactured to exact Stihl OEM specifications

• ✅ Avoids fitment and safety issues common with aftermarket chains

OEM Stihl RS chains deliver maximum cutting speed and reliability.

Why Buy From P&P Small Engines?

• 🔧 Knowledgeable Stihl parts specialists

• 🔧 Genuine OEM Stihl products only

• 🔧 Fitment support before purchase

• 🔧 Fast, careful shipping

We help you get the right chain the first time.

Frequently Asked Questions

Q: Will this chain fit my MS 251 C-BE?
A: Yes, if your MS 251 C-BE is equipped with a 20" Stihl Light 04 bar (.325 pitch, .050 gauge).

Q: Is this chain OEM Stihl?
A: Yes. This is a genuine Stihl OEM chain, part number 3690-005-0081.

Q: What does Rapid Super mean?
A: Rapid Super is Stihl’s full-chisel cutter design, offering maximum cutting speed in clean wood.

Common Search Terms

• Stihl 3690-005-0081 chain

• Stihl 23RS 81DL chain

• Stihl MS 251 20 inch chain OEM

• Stihl .325 .050 Light 04 chain

• Stihl Rapid Super chain

Questions?

If you need help confirming bar compatibility or selecting the correct chain, contact P&P Small Engines — we’re happy to help.