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Homelite UT10901A chainsaw Parts

Here are the diagrams and repair parts for Homelite UT10901A chainsaw, as well as links to manuals and error code tables, if available.

Homelite UT10901A chainsaw
By Schematic
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This is the number corresponding to the part on the diagram / schematic

Browse Parts for UT10901A Chainsaws

  • Chainsaw Chain Brake Link for Homelite UT10901A - Part 984897-001

    Clutch/hand guard/drive case cover diagram

    Chainsaw Chain Brake Link

    Part #984897-001

    The manufacturer no longer makes this part, and there's no substitute part

  • Needle Bearing for Homelite UT10901A - Part PS04569

    Clutch/hand guard/drive case cover diagram

    Needle Bearing

    Part #PS04569

    The manufacturer no longer makes this part, and there's no substitute part

  • Bearing Case for Homelite UT10901A - Part 04919

    Engine internal-oil pump diagram

    Bearing Case

    Part #04919

    The manufacturer no longer makes this part, and there's no substitute part

  • Grommet for Homelite UT10901A - Part 64862

    Engine housing/fuel tank/oil tank diagram

    Grommet

    Part #64862

    The manufacturer no longer makes this part, and there's no substitute part

  • Carry Case for Homelite UT10901A - Part UP04562A

    #NI16

    All parts diagram

    Carry Case

    Part #UP04562A

    The manufacturer no longer makes this part, and there's no substitute part

  • Cylinder for Homelite UT10901A - Part A08666A

    Engine internal-oil pump diagram

    Cylinder

    Part #A08666A

    The manufacturer no longer makes this part, and there's no substitute part

  • Rotor for Homelite UT10901A - Part UP05850A

    Starter-ignition diagram

    Rotor

    Part #UP05850A

    The manufacturer no longer makes this part, and there's no substitute part

  • Guide Bar (power Tip) 16" (3/8") for Homelite UT10901A - Part PT16371-MD

    #NI03

    All parts diagram

    Guide Bar (power Tip) 16" (3/8")

    Part #PT16371-MD

    The manufacturer no longer makes this part, and there's no substitute part

  • Bit Driver T for Homelite UT10901A - Part 1856601

    #NI15

    All parts diagram

    Bit Driver T

    Part #1856601

    The manufacturer no longer makes this part, and there's no substitute part

  • Throttle Trigger for Homelite UT10901A - Part PS0396801

    Handles diagram

    Throttle Trigger

    Part #PS0396801

    The manufacturer no longer makes this part, and there's no substitute part

Homelite Chainsaw UT10901A FAQs

Yes. We still offer replacement parts for Homelite chainsaws, including the Homelite UT10901A gas chainsaw, and you can match parts by using the exact model number and the illustrated parts list for your saw. For UT10901A, common service parts like ignition and fuel components are available.

What parts are commonly available for UT10901A

For this Homelite chainsaw model, we typically see these parts replaced most often:

How to make sure you order the right part

Homelite chainsaws can have similar-looking parts across different UT models, so matching by model and diagram matters.

  • Confirm the model number is UT10901A (from the data plate on the saw)
  • Use the parts diagram to identify the exact part callout
  • Match the part by description and part ID (for example, 000998271 for the carburetor)
  • Replace related wear items at the same time (for example, spark plug when servicing fuel issues)
  • If you are unsure between similar hardware items (screws, nuts, rings), match by diagram position

Quick match guide

What you’re fixing What to check first Part example for UT10901A
Won’t start Spark plug condition and spark Spark plug 870174002
Starts then dies or runs rough Fuel delivery, carburetor Carburetor 000998271
No spark Ignition module and wiring Ignition UP05851A
Pull cord won’t retract or slips Recoil starter assembly Start kit UP06749A

Why it matters

Using the correct UT10901A-SPECIFIC part helps restore safe starting, stable idle, and proper cutting power. It also prevents repeat failures caused by mismatched carburetor settings, incorrect ignition components, or hardware that does not fit correctly.

Helpful DIY guidance

If the reason you are shopping for parts is a starting problem, our troubleshooting steps can speed up the diagnosis before you order: tips for a hard to start chainsaw.

You can order replacement parts for your Homelite UT10901A from the parts list for this model, or use Sears PartsDirect to search by model number for additional Homelite chainsaw parts.

Last updated: February 2026

Homelite chainsaws are still around, but the brand changed ownership and shifted toward homeowner and light-duty equipment. Homelite was acquired by John Deere in 1994, then acquired by Techtronic Industries (TTI) in 2001; today the Homelite name is mainly used on consumer lawn and garden tools and light-duty chainsaws.

Quick timeline

Year What changed What it means for Homelite chainsaws
1994 John Deere acquired Homelite Brand ownership changed; product direction began shifting
2001 Techtronic Industries (TTI) acquired Homelite from John Deere Homelite branding continued with a stronger consumer focus

What this means for parts and repairs on model UT10901A

For your Homelite UT10901A gas chainsaw, the biggest impact is parts availability and which components are most commonly replaced. We stock several common service items that help with starting, fuel delivery, and basic maintenance.

  • If the saw will not start or starts and dies, check ignition and spark first (plug condition, gap, and fouling).
  • If it runs rough or surges, fuel delivery and carburetion are common causes (old fuel, clogged passages, air leaks).
  • If it is hard to pull-start, inspect the recoil starter components.
  • If it leaks fuel, inspect caps and fuel lines for cracks and loose fits.

Common parts we see customers replace

Symptom Part to check/replace Example from this model’s parts
No start, weak spark Spark plug Spark plug 870174002
Hard starting, no spark Ignition module Ignition UP05851A
Starts then stalls, runs lean/rich Carburetor Carburetor 000998271
Pull cord issues Recoil starter components Start kit UP06749A

Why it matters

Knowing the brand history helps set expectations: many Homelite saws, including UT10901A, are designed for homeowner use, so routine maintenance (fresh fuel mix, clean air intake, good spark) and timely replacement of wear parts often restores performance quickly.

Ordering the right parts

We recommend matching parts to your exact model number (UT10901A) and using the parts list for this model first. If you are shopping across models or need additional Homelite parts, search by model number on Sears PartsDirect.

Last updated: February 2026

Homelite chainsaws, including the Homelite UT10901A, are a solid choice for light homeowner cutting (trimming, storm cleanup, occasional firewood) and are not built for daily professional use. With fresh fuel, a sharp chain, and good ignition, they perform reliably for typical yard work.

What “good” means for the UT10901A

For this class of gas chainsaw, “good” usually means it starts consistently, oils the bar properly, and holds power under normal homeowner loads.

  • Best fit: intermittent use, seasonal cleanup, small to medium limbs
  • Not the best fit: all-day cutting, heavy hardwood bucking, frequent felling
  • Reliability driver: fuel quality and carburetor condition after storage

Maintenance that makes the biggest difference

These are the first items we check when a UT10901A feels hard to start or weak:

Quick symptom guide

What you notice What it usually points to Common fix
Won’t start after storage Stale fuel, fouled plug, varnished carb Plug, carb service
Starts then dies at idle Carb metering issue, fuel restriction Carb service
Runs rough under load Dull chain, weak spark, fuel delivery Sharpen chain, plug/ignition check

Why it matters

A “good” chainsaw is one that starts predictably and cuts safely. On homeowner saws like the UT10901A, most frustrations come from old fuel and carburetor buildup, not the bar and chain.

You can order UT10901A parts from the parts list for this model, or search by model number on Sears PartsDirect. For troubleshooting steps, use tips for a hard to start chainsaw and chainsaw care and troubleshooting tips.

Last updated: February 2026

For a Homelite chainsaw, the model number identifies the series, but the serial number is what you use to estimate the build date. On your Homelite UT10901A, find the model and serial label, record the full serial exactly, then match its format to a Homelite serial-number decoding chart.

Where to find the model and serial label

On most Homelite gas chainsaws, the ID label is typically on the rear handle area, starter housing, or near the fuel tank.

  • Wipe off oil and sawdust so every digit is readable
  • Write down the full model number: UT10901A
  • Copy the serial number exactly (include letters, dashes, and spaces)
  • Take a clear photo for reference
  • If the label is damaged, check nearby housings for a stamped code

How to use the serial number to estimate the year

Homelite has used multiple serial formats; the key is identifying which format your saw uses and then decoding the date portion.

What you see on the label What it usually means Next step
8 digits Often contains a date code segment Check whether the first digits represent year and day-of-year
6 digits Common on older formats Use the matching chart to map the sequence to a year range
Letters plus numbers Plant/line plus date code Decode the date portion for that specific style

Clues that help confirm you are in the right era

After you decode a likely year range, these common service parts can help you confirm you are matching the correct design family for UT10901A.

Why it matters

Dating the saw helps us match the correct parts and service approach, especially for ignition and carburetion where small design changes affect fit and starting performance.

If you are also troubleshooting a no-start while you check the serial format, use tips for a hard to start chainsaw. For parts shopping beyond this model, search by model number on Sears PartsDirect.

Last updated: February 2026

Most common symptoms to help you fix your chainsaws

Choose a symptom to see related chainsaw repairs.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Repair guides for gas chainsaws

These step-by-step repair guides will help you safely fix what’s broken on your chainsaw.

How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Repair time and Difficulty

 15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

Repair time and Difficulty

 15 minutes or less
How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your chainsaws

Use the advice and tips in these articles and videos to get the most out of your chainsaw.

When to replace a chainsaw bar

When to replace a chainsaw bar

Chainsaw bar wear leads to crooked cuts and chain damage. Learn the signs of wear and how to choose the right replacemen…

How to tune-up a gas chainsaw

How to tune-up a gas chainsaw

Tuning up a chainsaw is easier than you think. Follow these steps to clean, inspect, and replace key parts to keep your …

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