Fitment first · Trimmer · SKU B0D41LYVMH

18 Inch Chainsaw Bar & Chain Combo Replacement

18 Inch Chainsaw Bar & Chain Combo Replacement For Stihl MS250, MS251-C/MS 251/MS 251 C-BE / MS230,MS 230C,MS241 C-M,MS250 C-BE,MS251,MS250,MS250C MS210, Rep…

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Compatibility checkpoint

Verify this before you buy

13 listed model matches
1 Match the machine model

Compare the model printed on your trimmer label with the fitment list below.

2 Confirm the line and spool spec

bar & chain

3 Check the part code

Match part B0D41LYVMH or ASIN B0D41LYVMH against the listing and your old part.

Listed model matches
Stihl MS250MS251-CMS 251MS 251 C-BEMS230MS 230CMS241 C-MMS250 C-BE
Equipment brandStihl
ReplacesB0D41LYVMH
Spool typebar & chain
CategoryTrimmer
ConditionNew aftermarket replacement

Overview

This aftermarket 18” bar and chain set is designed for chainsaw owners who want to restore full cutting capability in a single swap. Pairing a fresh bar with a new chain eliminates uneven rail wear and ensures the chain rides in a clean, properly dimensioned groove. The result is safer operation and cleaner cuts.

Key specifications

  • 18” guide bar and chain combo
  • Matched bar and chain for optimal tracking
  • Low-kickback design for safer operation

Compatibility

This combo set is designed for Stihl chainsaws as listed above. Verify bar length, pitch, gauge, and drive link count match your saw’s requirements before purchasing.

Installation notes

With the saw fully powered down, remove the clutch cover and extract the old bar and chain. Install the new bar, route the new chain with proper orientation, and hand-tighten the bar nuts before final tensioning. New chains stretch quickly during the first few cuts, so re-check tension frequently during the break-in period.

Common questions

Q: Will this 18 inch bar and chain combo fit my Stihl MS251 C-BE, or is it only for the standard MS251/MS250 models?

Yes, this combo is listed to fit the Stihl MS251 C-BE as well as the standard MS251 and MS250 series, including several C and C-BE variants. As long as your saw uses the Stihl 3005 008 7017 bar setup, this replacement should match correctly.

Q: I have a Stihl MS230C and want to swap to an 18 inch bar and chain—do I need any extra parts to install this combo?

If your MS230C is set up for the same mount pattern and bar specification as the Stihl 3005 008 7017 replacement, this combo should install without extra adapters. When installing, make sure the chain is routed in the correct cutting direction, seated properly on the sprocket, and tensioned so it lifts slightly from the bar but still snaps back into place.

Q: How often should I tension and maintain the chain on this 18 inch replacement bar and chain combo for my Stihl MS250?

Check chain tension before each use and again after the first few cuts, since a new chain can stretch slightly as it breaks in. Keep the bar oil reservoir filled, clean the bar groove and oil holes regularly, and sharpen the chain promptly if you notice dust instead of chips or if cutting starts to pull to one side.

Compatibility

This page lists compatible equipment gathered from the product fitment data. Always confirm the model number stamped on your machine before ordering.

Stihl MS250MS251-CMS 251MS 251 C-BEMS230MS 230CMS241 C-MMS250 C-BEMS251MS250MS250C MS210ReplacesStihl 3005 008 7017 Chain

Not sure which spool you need? See our guide: How to wind a trimmer spool or How to measure your old spool.

Before you buy — how to verify fitment

  1. Find your trimmer model number. It's usually on a label on the motor housing, battery slot, or lower shaft.
  2. Check spool compatibility. Compare the model number with the compatibility list above.
  3. Verify line gauge. Confirm the line thickness matches what your trimmer head requires by checking your manual or the old spool.
  4. Inspect the spool housing. Make sure the spool diameter, cap, spring post, and feed style match your trimmer head.

Frequently asked questions

How do I know this spool fits my trimmer?

Check your trimmer model number against the compatibility list above. Then verify the line gauge (.065, .080, .095) matches what your trimmer head requires — it's usually printed on the spool cap or in the manual.

Can I rewind a pre-wound spool?

Yes. Once the factory line runs out, you can rewind the spool with bulk trimmer line of the same gauge. Pre-wound spools just save time on the first load.

How often should I replace the spool?

Replace the spool when the line no longer feeds properly, the spring loses tension, or the spool body is cracked. Under normal weekend use, a spool lasts 2–4 refills before the housing wears out.

What gauge trimmer line should I use?

Match the gauge to your trimmer's power: .065" for light-duty electric trimmers, .080" for mid-range cordless, and .095" for gas-powered or heavy-duty models. Using too thick a line can stall the motor.

Where to buy

This part is available through Amazon with free returns on most orders. Use the fitment details above to compare your model, old part number, and physical specs before ordering.

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Affiliate disclosure: we may earn a commission when you purchase through this link, at no extra cost to you.

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