2PC 10inch Replacement Chainsaw Chain

§ Saw Chains · SKU B0D7CDBCZX

2PC 10inch Replacement Chainsaw Chain

$19 ★ 4.5

2PC 10inch Replacement Chainsaw Chain For Kobalt Model KPS 1040A-03 KPS 1040B-03 10-in, 0.043-in Gauge, 3/8-in Pitch 3809900/4132855

Bar length10"
Pitch3/8"
Gauge.043""
Drive links40DL
CategorySaw Chains
Part numberB0D7CDBCZX
ConditionNew — aftermarket replacement

Fitment last verified:

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Overview

This 2-pack of aftermarket 10-inch replacement chains is designed to fit select Kobalt chainsaw models. It serves as a drop-in replacement when the original chain becomes dull past the point of resharpening, develops a damaged cutter, or has stretched beyond the tensioner’s adjustment range. Having a spare on the shelf eliminates trips to the dealer mid-project.

Key specifications

  • Bar length: 10”
  • Pitch: 3/8
  • Gauge: .043”
  • Quantity: 2-pack
  • Type: Semi-chisel (aftermarket replacement)

Compatibility

Engineered to match the specifications of select Kobalt chainsaw models, this chain drops in without modification. Before ordering, verify the three critical numbers — pitch, gauge, and drive-link count — against the stamp on your guide bar. A mismatch in any one dimension means the chain won’t fit safely.

Installation notes

Power down the saw and remove the battery or disconnect it from power before servicing. Remove the side cover or bar-cover plate to expose the bar and sprocket. Slide the worn chain off the bar groove and sprocket, noting the direction of the cutters. Install the new chain with cutting teeth facing forward on top of the bar. Reattach the cover and adjust chain tension — the chain should pull slightly away from the bar rail and snap back without sagging.

Common questions

Q: Will this 10-inch replacement chain fit my Kobalt KPS 1040A-03, or is it only for the KPS 1040B-03?

Yes, this 2-pack is made for both Kobalt KPS 1040A-03 and KPS 1040B-03 10-inch chainsaws. As long as your saw is using a 10-inch bar with a 3/8 pitch chain, this is the correct replacement style for those models.

Q: How do I know if I’m installing the 3/8 pitch chain in the right direction on my Kobalt 10-inch saw?

When installed correctly, the sharp cutting edges on the top of the bar should face forward, away from the saw body. After mounting, set the chain tension so it sits snugly against the bar but can still be pulled around by hand with gloves, then recheck tension after the first few cuts.

Q: What kind of maintenance should I do to help these 10-inch chains last longer on my KPS 1040B-03?

Keep the chain properly tensioned, make sure the bar oil system is working, and clean sawdust from the bar groove and drive area regularly. Touch up the cutters with the correct file size as soon as you notice slower cutting, because a sharp 3/8 pitch chain runs cooler and puts less strain on the saw.

Compatibility

This part is verified to fit the following equipment. Always confirm the model number stamped on your machine before ordering.

Kobalt Model KPS 1040A-03 KPS 1040B-03 10-in — Kobalt KPS 1040A-03 chain size chart

Not sure which part you need? See our guide: How to measure your bar or How to read the stamp on your guide bar.

Before you buy — how to verify fitment

  1. Find the bar stamp. Look on the side of your current guide bar for the pitch, gauge, and drive-link count.
  2. Match all three numbers. Pitch (3/8), gauge (.043"), and drive links (40DL) must all match.
  3. Check bar length. Measure cutting length from the tip to where the bar enters the saw body — this should match 10".
  4. Confirm your saw model against the compatibility list above. If your model isn't listed, the chain may still fit if pitch/gauge/DL match.

Frequently asked questions

How do I know this chain fits my saw?

Match three numbers: pitch, gauge, and drive-link count. All three must match the stamp on your current bar. If even one is off, the chain won't fit safely.

How do I measure pitch and gauge?

Pitch is the distance between any three consecutive rivets, divided by two. Gauge is the thickness of the drive links — measure with a caliper or check the bar stamp. Our guide covers both in detail.

How long does a replacement chain last?

With proper tension and occasional sharpening, an aftermarket chain lasts 3–5 cords of firewood or about 5 hours of active cutting — roughly the same as OEM.

Can I sharpen this chain or is it single-use?

Absolutely sharpen it. A quality replacement chain can be sharpened 3–5 times before the cutters are too short. Keep a round file matched to the cutter diameter.

Where to buy

This part is available through Amazon with free returns on most orders. We've verified the fitment listed above — check the live listing for current price, stock, and delivery options.

Check current price on Amazon

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

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