Stihl

STIHL 18 Inch Chainsaw Bar Guide Bar Part Number 3003-008-6817

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18" Guide Bar — Genuine OEM Replacement Part
STIHL 3003-008-6817 — 18-Inch Chainsaw Guide Bar
Also known as: STIHL 18" bar, 18-inch bar, chainsaw guide bar, saw bar, cutting bar
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Specifications
Specification Detail
Part Number 3003-008-6817
Brand STIHL
Bar Length 18 Inches
Part Type Chainsaw Guide Bar
OEM / Aftermarket Genuine OEM
Fitment Select STIHL Chainsaw Models (see Compatible Equipment)
The STIHL 18-inch chainsaw guide bar, part number 3003-008-6817, is a genuine OEM replacement cutting bar designed to fit compatible STIHL chainsaw models. Also referred to as an 18" saw bar, chainsaw guide rail, or cutting bar, this component serves as the track along which the saw chain travels during cutting operations. It is used for felling trees, limbing, bucking logs, and general wood cutting tasks by both homeowners and professional arborists.
Key Features
Genuine OEM STIHL Guide Bar
Part number 3003-008-6817 is a genuine STIHL OEM component manufactured to exact factory specifications. Choosing authentic STIHL parts ensures the correct gauge, pitch, and mounting dimensions for safe and efficient chainsaw operation.
18-Inch Cutting Length for Versatile Applications
The 18-inch bar length is a popular choice for felling small to medium trees, bucking firewood, limbing branches, and general yard and land clearing tasks. It balances reach with maneuverability for a wide range of cutting jobs.
Direct OEM Replacement — No Modification Needed
STIHL part 3003-008-6817 is a direct drop-in replacement bar for compatible STIHL chainsaw models. No drilling, filing, or adapters are required. Simply install and resume cutting with confidence that the fit and function match the original equipment standard.
Designed for Compatible STIHL Chainsaw Models
This STIHL 18-inch guide bar is engineered to fit a specific range of STIHL gas and electric chainsaw models. Always verify your saw's model number and current bar specifications before ordering to confirm compatibility with part 3003-008-6817.
Compatible Equipment

STIHL guide bar 3003-008-6817 is a genuine OEM 18-inch replacement bar compatible with select STIHL chainsaw models. Verify your saw's current bar length, gauge, and pitch before ordering.

STIHL part number 3003-008-6817 is commonly used as a replacement 18-inch bar on STIHL chainsaws such as the MS 170, MS 180, MS 181, MS 211, MS 230, MS 231, MS 250, and MS 251, among other compatible models requiring an 18-inch guide bar.

  • STIHL MS 170
  • STIHL MS 180
  • STIHL MS 181
  • STIHL MS 211
  • STIHL MS 230
  • STIHL MS 231
  • STIHL MS 250
  • STIHL MS 251

Always confirm compatibility with your specific model and serial number before purchasing. Contact our expert support team if you need assistance identifying the correct bar for your STIHL chainsaw.

Common Questions
Q: What chainsaw models does STIHL part 3003-008-6817 fit?
A: STIHL guide bar 3003-008-6817 is an 18-inch bar that fits select STIHL chainsaw models including the MS 170, MS 180, MS 211, MS 230, MS 250, and MS 251, among others. Always verify compatibility by checking your saw's current bar length and specifications before ordering.
Q: Is STIHL 3003-008-6817 a genuine OEM bar or an aftermarket replacement?
A: Part number 3003-008-6817 is a genuine STIHL OEM guide bar, manufactured to the same specifications as the bar originally installed on your chainsaw. Genuine OEM parts ensure proper fit, correct gauge and pitch, and reliable performance.
Q: What chain pitch and gauge does the STIHL 18-inch bar 3003-008-6817 require?
A: The chain pitch and gauge required by STIHL guide bar 3003-008-6817 should be matched to the specifications listed in your chainsaw's owner's manual. Using the correct chain for this bar is essential for safe operation and optimal cutting performance.
Q: When should I replace my STIHL chainsaw guide bar?
A: You should replace your STIHL chainsaw guide bar when you notice uneven wear on the bar rails, the bar groove is worn or widened, the bar tip sprocket is damaged, or the bar is bent or cracked. Replacing a worn bar with genuine STIHL part 3003-008-6817 restores safe cutting performance and chain life.
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