Are all Craftsman mower blades the same?
No. Craftsman mower blades are not all the same; the correct blade depends on your exact mower model, deck size, and blade mounting pattern. For Craftsman model 917374910, match the replacement blade to the parts list in the 917374910 owner's manual to ensure safe fit and proper cutting.
What makes mower blades different
Even within the Craftsman brand, blades vary by several key specs:
- Blade length (this model uses a 22-inch deck blade style)
- Center hole and mounting pattern (star, bow-tie, round, etc.)
- Blade lift and shape (mulching, bagging, or 3-in-1 designs)
- Blade thickness and offset (affects balance and clearance)
- Hardware requirements (blade bolt, adapter, washers)
A reliable way to choose the right blade for 917374910
Use the model number first, then confirm the blade type and mounting.
| What to match | Why it matters | What to use as your reference |
|---|---|---|
| Model number | Prevents wrong fit | 917374910 parts list in the manual |
| Deck size | Ensures correct cut path | 22-inch walk-behind deck blade style |
| Mounting pattern | Prevents wobble and damage | Blade adapter and center hole pattern |
For a known-good replacement option for this model, we list the husqvarna lawn mower 22-inch deck 3-in-1 blade 532421825.
Why it matters
Using the wrong blade can cause severe vibration, poor cut quality, and damage to the blade adapter or crankshaft. The manual also calls out that worn lift, a damaged blade, or a broken blade adapter can lead to performance problems and unsafe operation.
Helpful tips before you buy or install a blade
- Disconnect the spark plug wire before working near the blade
- Check the blade for bends, cracks, and missing lift
- Inspect the blade adapter for wear or breakage
- Tighten the blade bolt securely after installation
- If the mower vibrates after a blade change, stop and recheck fit and balance
If you want guidance on tools and technique, use our lawn mower blade removal tool article.
Last updated: February 2026
Is it better to sharpen a lawn mower blade or buy a new one?
For the Craftsman 917374910, it’s best to replace the blade if it’s bent, cracked, dented, or worn thin; sharpen only when it’s simply dull and still straight. A damaged or unbalanced blade can cause vibration and lead to mower or engine damage. See the 917374910 owner’s manual for blade handling and torque guidance.
When sharpening makes sense
Sharpen the blade when the mower is cutting, but the grass tips look ragged and the blade edge is just rounded over.
- The blade is straight with no cracks or bends
- No large chips or deep nicks on the cutting edge
- You can restore the edge with a file or grinder
- You will balance the blade after sharpening (required)
For step-by-step technique, use our how to sharpen a lawn mower blade guide.
When you should buy a new blade
Replace the blade when safety or balance is questionable.
- Blade is bent or visibly warped
- Cracks are present (even small ones)
- Large dents, missing chunks, or severe edge damage
- Blade is worn thin from repeated sharpening
- Persistent vibration even after sharpening and balancing
A common approved replacement option for this model is the husqvarna lawn mower 22-inch deck 3-in-1 blade 532421825.
Quick comparison
| Option | Best for | Key risk if done wrong |
|---|---|---|
| Sharpen and balance | Minor dullness | Unbalanced blade causes vibration and damage |
| Replace | Damage, wear, or repeated sharpening | Using a non-approved blade can harm the mower |
Key specs and install reminders (from the manual)
- Disconnect the spark plug wire before servicing the blade.
- Tip the mower with the air filter and carburetor facing up.
- Tighten the blade bolt to 35 to 40 ft-lbs.
Why it matters
A sharp, balanced blade gives a cleaner cut (healthier grass) and reduces vibration that can loosen fasteners and stress the crankshaft, blade adapter, and drive components.
Last updated: February 2026
Is it cheaper to repair or replace a lawn mower?
For a Craftsman walk-behind mower like model 917374910, it’s cheaper to repair when the fix is routine maintenance or a single wear part (blade, belt, cable) and the total cost stays well under the price of a comparable new mower. Replace when repairs stack up (engine or drive system) or reliability keeps dropping.
Quick rule of thumb
- Repair when the repair total is under about half the cost of a similar new mower.
- Replace when the repair total is over about half, or when multiple major problems show up in the same season.
Repairs that are usually worth it
These are common, lower-cost fixes that restore performance fast:
- Annual tune-up items: spark plug, air filter service, oil change (per the maintenance schedule in the 917374910 owner’s manual)
- Blade service: sharpen, balance, or replace a worn blade
- Drive issues caused by wear parts: belt wear, belt off pulley, or a worn/broken drive cable (the manual’s troubleshooting points to these as common causes)
- Cleaning and adjustments: scraping grass buildup under the deck, setting all wheels to the same cutting height
Common “worth repairing” parts for this model
| Symptom | Often-fixed item | Example part for 917374910 |
|---|---|---|
| Poor cut, vibration | Worn/damaged blade | Husqvarna lawn mower 22-inch deck 3-in-1 blade 532421825 |
| Self-propel won’t pull | Worn drive belt | Lawn mower ground drive belt, 3/8 x 35-3/8-in 532421527 |
| Drive feels loose | Cable wear/adjustment | Lawn mower drive control cable 583502501 |
When replacement makes more sense
Replace the mower when you’re facing:
- Major engine problems (low compression, crankshaft damage, repeated no-start after proper tune-up)
- Major drive system failures (transaxle or multiple drive components at once)
- Recurring issues that keep returning even after correct maintenance and cleaning
Why it matters
A well-maintained mower runs cooler, cuts cleaner, and lasts longer. The manual emphasizes routine upkeep (spark plug, air filter, blade condition, and cleaning under the deck) because neglect shortens engine life and increases repair frequency.
Last updated: February 2026
What are the common problems with Craftsman lawn mowers?
On the Craftsman walk-behind mower model 917374910, the most common problems we see are starting issues (stale fuel, dirty air filter, bad spark plug), loss of power from grass buildup under the deck, poor cutting from a worn or bent blade, and self-propelled drive problems caused by belt or cable wear. See the 917374910 owner's manual for the troubleshooting chart and maintenance steps.
Most common symptoms and what usually causes them
- Won’t start: stale fuel, dirty air filter, spark plug wire off, bad spark plug, control bar released, fuel valve OFF (if equipped)
- Loss of power or bogging down: cutting too much grass at once, walking too fast, grass and debris packed under the mower housing, dirty air filter
- Poor cut quality: blade worn, bent, or loose; wheel heights uneven; deck packed with clippings
- Excessive vibration: loose or damaged blade, bent crankshaft (often after striking an object)
- Hard to push: cutting height too low, grass too tall, grass catcher too full, handle height not set comfortably
- Self-propelled slows or won’t move: belt wear, belt off pulley, drive cable worn or broken
Quick checks we recommend (in order)
- Fuel and controls: confirm fresh gasoline, control bar held to the handle, and fuel valve ON (if equipped).
- Airflow: clean around the starter area and top of the engine so cooling air can flow.
- Deck condition: tip the mower safely and remove packed grass from the underside of the deck.
- Blade condition: sharpen or replace a bent/damaged blade; use an approved replacement such as the husqvarna lawn mower 22-inch deck 3-in-1 blade 532421825 when it matches your setup.
- Drive system (self-propelled): inspect the belt and cable routing; replace worn components.
Symptom-to-fix cheat sheet
| Symptom | Most likely cause | First fix to try |
|---|---|---|
| Won’t start | Stale fuel, dirty air filter, bad spark plug | Drain/refill fuel; service air filter; replace plug |
| Leaves clumps | Deck buildup, cutting too low/fast | Clean deck; raise cut height; slow down |
| Poor cut | Worn/bent blade, uneven wheels | Level wheels; sharpen/replace blade |
| Won’t self-propel | Belt/cable issue | Check belt on pulleys; inspect cable |
Why it matters
These issues usually trace back to airflow, fuel quality, blade condition, and deck cleanliness. Keeping the blade sharp, the underside of the deck clean, and using fresh gas prevents most “won’t start” and “poor cut” complaints and helps protect the engine and drive system.
Last updated: February 2026
What model number is the Craftsman 917374910?
The model number for this Craftsman walk-behind gas lawn mower is 917.374910 (often written without the dot as 917374910). You can confirm it on the model tag and in the 917374910 owner's manual.
Where to find the model number on the mower
Check these common locations on Craftsman walk-behind mowers:
- On the rear housing near the bagger opening
- On the deck near the engine mounting area
- On a label near the height adjuster or wheel bracket
- In the manual cover page and parts list
Model number vs. engine model number (common mix-up)
Your mower model number identifies the whole mower; the engine has its own model number.
| Item | What it identifies | Example you may see |
|---|---|---|
| Mower model number | The complete Craftsman mower | 917.374910 (or 917374910) |
| Engine model number | The Honda engine only | GCV160 (varies by spec) |
Why it matters
We use the mower model number to match the correct parts diagrams and replacement parts (blade, drive belt, control cables, wheels). Using the engine model number alone can lead to ordering the wrong mower parts.
Parts that commonly require the exact mower model
If you are shopping parts for Craftsman model 917374910, these are frequent matches that depend on the mower model and deck configuration:
- Blade (deck and cutting system specific), such as the husqvarna lawn mower 22-inch deck 3-in-1 blade 532421825
- Drive belt and drive components
- Drive control cable and zone control cable
- Discharge deflector and springs
Last updated: February 2026
What model number is the Craftsman 917374910?
The model number for this Craftsman walk-behind gas lawn mower is 917.374910 (often written without the dot as 917374910). You can confirm it on the mower’s model tag and in the 917374910 owner's manual.
Where to find the model number on the mower
Check these common locations on Craftsman walk-behind mowers:
- On the rear of the deck near the discharge opening
- On the top of the deck near the engine mounting area
- Near the height adjuster area on the deck side
- On a label near the handle brackets
Why the dot sometimes appears (917.374910 vs 917374910)
Both formats refer to the same mower model; the owner’s manual and parts diagrams often show the dotted format.
| Format you may see | What it means | Use it for |
|---|---|---|
| 917.374910 | Same model number with a dot | Manuals, diagrams, some labels |
| 917374910 | Same model number without a dot | Parts lookup, ordering, search |
Why it matters when ordering parts
Using the exact model number helps us match the correct blade, drive belt, and control cables for your mower.
Common model-matched parts for 917374910 include:
- Husqvarna lawn mower 22-inch deck 3-in-1 blade 532421825 (cut quality and mulching)
- Drive components such as the drive belt and drive control cable (self-propel function)
- Discharge and bagging parts such as the clipping deflector and grass bag components
Quick tip: confirm the engine model too
This mower commonly uses a Honda GCV160-series engine; the engine model is listed on the engine shroud label and in the manual. Matching the engine model helps when selecting tune-up items like the spark plug and air filter.
Why it matters
The mower model number identifies the chassis and drive system; the engine model identifies engine-specific maintenance parts. Using both prevents wrong-part returns and speeds up repairs.
Last updated: February 2026
What year is Craftsman Model 917374910?
Craftsman model 917374910 is a model number, not a date code; it does not directly tell the year. To find the year, we use the mower’s product identification label (often on the rear of the deck or near the handle brackets) and match the serial/date information using the 917374910 owner’s manual.
How to find the year on your mower
Use these quick checks on your Craftsman walk-behind mower:
- Look for a sticker or metal tag on the mower deck, typically near the rear discharge area.
- Check around the handle bracket area where the upper handle mounts.
- Record the serial number and any date code exactly as printed.
- Compare what you find to the identification section in the manual.
- If the label is missing or unreadable, use the engine model (often a Honda GCV160 variant) as a secondary clue.
What the manual confirms (and what it does not)
The documentation identifies this unit as a Craftsman rotary lawn mower model 917.374910 with a 160cc Honda engine and a 22-inch Multi-Cut deck. That confirms the exact model family and parts breakdown, but the manufacture year is determined from the serial/date label, not from the model number alone.
Quick reference
| Item | Where to find it | What it tells you |
|---|---|---|
| Model number (917374910) | Manual and ID label | Which parts and diagrams match |
| Serial/date code | ID label on mower | The build date or year |
| Engine model code | Engine shroud label | Engine version and parts |
Why it matters
The correct year helps us match the right blade, drive belt, control cable, and deck hardware for your exact production run. For example, the husqvarna lawn mower 22-inch deck 3-in-1 blade 532421825 must match the deck and adapter style used on your mower.
Last updated: February 2026
Where can I get Craftsman replacement parts?
For your Craftsman walk-behind mower model 917374910, we recommend buying replacement parts by searching with the model number and matching the exact part ID; that ensures the blade, belts, cables, and hardware fit and perform correctly. Use the 917374910 owner's manual to confirm part names and diagrams before ordering.
Best places to buy Craftsman replacement parts
We focus on sources that let you search by model number and verify fit.
- Sears PartsDirect (model-based parts lookup and diagrams)
- Craftsman parts lookup (model-based ordering)
- Major retailers that carry Craftsman parts (use model number search)
- Specialty parts sellers (use model number plus part number/part ID)
How to make sure you order the right part
Use your mower’s model number (917374910) and then match the part by description and identifier.
- Find the model/serial decal on the rear of the mower housing
- Use the parts diagram in the manual to identify the exact component
- Match the part ID (best) or the part number (also helpful)
- Replace worn “expendable” items as needed (blade, belt, filters, spark plug)
- Use OEM-equivalent parts for safe fit and proper operation
Example parts commonly replaced on this model
| What you’re replacing | Example part for 917374910 | When it’s typically needed |
|---|---|---|
| Cutting blade | Husqvarna lawn mower 22-inch deck 3-in-1 blade 532421825 | Poor cut quality, vibration, bent blade |
| Ground drive belt | Lawn Mower Ground Drive Belt, 3/8 X 35-3/8-in | Slipping drive, mower will not self-propel |
| Drive cable | Lawn Mower Drive Control Cable | Drive control feels loose or won’t engage |
Why it matters
Ordering by model number prevents common fit issues like the wrong 22-inch blade center hole pattern, incorrect belt length, or mismatched control cable ends. That saves time and helps your mower run safely and smoothly.
Last updated: February 2026





