Owner’s manual
View engine
Where is Craftsman's model number?
On your Craftsman walk-behind mower model 917376581, the model number is printed on the mower’s identification label and is also shown on the cover of the 917376581 owner's manual. For this mower, the manual lists it as 917.376581 (same model, different punctuation).
Where to look on the mower
Check these common spots first (labels are usually on the deck or handle area):
- Top of the mower deck near the engine mounting area
- Rear of the deck near the discharge chute or rear door
- Side of the deck near the height adjuster
- Handle support/bracket area (near where the handle bolts to the deck)
- Under the rear flap area (wipe off grass buildup to see the label)
Model number vs. engine numbers (important difference)
Many owners find an engine ID first, but that is not the same as the mower model.
| What you’re looking at | What it identifies | Example you might see |
|---|---|---|
| Mower model number | The Craftsman mower for parts lookup | 917.376581 (also shown as 917376581) |
| Engine model/type/code | The engine for engine-specific parts | Stamped/printed on the engine shroud or metal |
Tips to make the label readable
If the label is dirty or faded, these steps usually help:
- Turn the engine off and let it cool completely
- Brush off dry grass and debris first
- Wipe with a damp rag and mild soap (avoid harsh solvents)
- Use a flashlight at a low angle to highlight faint printing
- Take a close-up photo and zoom in
Why it matters
Using the correct mower model number (917376581) helps us match the right parts list for your deck, drive system, wheels, and blade components. That prevents ordering look-alike parts that do not fit.
Last updated: January 2026
Where can I find my lawn mower engine model number?
On Craftsman rotary lawn mower model 917376581, the model and serial number decal is located on the rear of the lawn mower housing. Use that decal information when ordering parts or looking up specifications in the 917376581 owner's manual.
Where to look on the mower
- Stand behind the mower at the handle
- Look at the rear of the deck (housing), near the back edge
- Check for a decal/label with model and serial information
- Wipe off grass and dirt so the numbers are readable
- Take a photo of the label before it fades further
Model/serial number vs. engine model number
Many owners mix these up. Here is the quick difference:
| What you need | Where it’s used | Where you typically find it |
|---|---|---|
| Mower model number (917376581) | Mower parts diagrams and chassis parts | Rear of mower housing decal |
| Mower serial number | Warranty and identification | Rear of mower housing decal |
| Engine model/type/code | Engine-specific parts (carburetor, ignition, recoil) | On the engine shroud, valve cover, or blower housing (varies by engine brand) |
If you’re trying to find the engine’s model number
Use these steps (common for Briggs and other small engines):
- Look on the top or side of the engine cover (shroud)
- Check near the spark plug area and muffler heat shield
- Look for a stamped metal tag or printed label
- Clean the area with a rag (avoid spraying water directly into the air intake)
Why it matters
Using the correct identification number prevents ordering the wrong blade, drive parts, or control cables for your Craftsman 917376581 mower; it also speeds up troubleshooting and maintenance.
Last updated: January 2026
Should I use 87 or 91 gas for lawn mower?
For the Craftsman rotary lawn mower model 917376581, use 87-octane (regular) unleaded gasoline for normal operation. Higher octane (like 91) is not required for mower engines; the bigger priority is using fresh, clean fuel and storing it correctly per the 917376581 owner's manual.
What to use (and what to avoid)
- Use 87 octane unleaded gasoline for everyday mowing.
- Use fresh fuel; stale fuel is a common cause of no-start issues.
- Avoid storing gasoline from one season to the next.
- Keep fuel containers clean and replace rusty gas cans (rust and dirt cause fuel system problems).
- Never refuel or store the mower indoors with gasoline in the tank where fumes could reach a flame or spark.
Quick comparison: 87 vs 91 for a walk-behind mower
| Fuel choice | Works in most mowers? | Best use case | Main downside |
|---|---|---|---|
| 87 octane (regular) | Yes | Normal mowing, best value | None when fuel is fresh |
| 91 octane (premium) | Yes | Not needed for typical mower engines | Extra cost without a performance benefit |
Why it matters
Most mower performance and starting problems come from fuel quality and storage, not octane. The manual troubleshooting guidance specifically calls out stale fuel and water in fuel as reasons a mower may not start, so focusing on fresh gas helps prevent downtime.
If your mower won’t start after fueling
Try these checks first (engine off, spark plug wire handled safely):
- Confirm you have fresh gasoline in the tank (drain and refill if fuel is old).
- Check for signs of water-contaminated fuel (drain and refill with fresh gas).
- Inspect and service the air filter if it is dirty.
- Check the spark plug condition and connection.
- If you recently hit something, inspect for a loose blade or damage before restarting.
For maintenance and storage steps that protect the fuel system, follow the 917376581 owner's manual.
Last updated: January 2026
What model number is the Craftsman 917376581?
The model number for this Craftsman walk-behind rotary lawn mower is 917.376581 (often written without the dot as 917376581). You’ll see it printed on the mower’s identification label and on the cover page of the 917376581 owner's manual.
Where to find the model number on the mower
We recommend checking these common locations on Craftsman walk-behind mowers:
- On the rear of the mower deck near the discharge opening
- On the top of the deck near the engine mounting area
- Near the height adjuster area by a wheel
- On a sticker or metal tag that also lists engine details
Why the dot matters (917.376581 vs 917376581)
Both formats refer to the same mower; the dot is just a formatting style used in manuals and parts lists.
| You might see | What it means | Use it for |
|---|---|---|
| 917.376581 | Same model number with a dot | Manuals, diagrams, some labels |
| 917376581 | Same model number without a dot | Parts lookup, ordering, searches |
Quick check to confirm you have the right parts
When ordering parts for model 917376581, match the part description and diagram position in the manual.
- Confirm the model number matches exactly
- Compare the part name to the diagram callout
- Verify the part ID before ordering
If you’re replacing common wear items, these model-matched examples can help:
- Lawn mower blade 532406713 (blade replacement)
- Lawn mower drive control cable 532197195 (self-propel drive issues)
Why it matters
Using the exact model number (917.376581 / 917376581) ensures you get the correct Craftsman parts, diagrams, and repair instructions for your mower’s specific deck, drive system, and handle controls.
Last updated: January 2026
