Craftsman 917388280 walk-behind lawn mower Parts

On the Craftsman walk-behind lawn mower model 917388280, the model and serial number are printed on a decal on the rear of the mower deck (housing). We typically find it on the back of the deck, between the lower handle mounts; confirm the exact location in the 917388280 owner's manual.

Where to look on the mower

Check these common spots on the deck before you start disassembly:

• Rear of the mower housing (back side of the deck)
• Between the lower handle mounting points
• Near the height-adjuster area on the deck (still on the rear-facing surface)
• On a flat, easy-to-scan section of the deck decal

Tips for reading a worn or dirty decal

If the sticker is hard to read, these steps usually make the numbers visible again:

• Wipe the area with a damp rag and mild soap; dry it fully
• Use a flashlight at a low angle to highlight embossed or faded print
• Take a close-up photo and zoom in to read the characters
• Copy the model number exactly as shown (for this mower it appears as 917.388280 in the manual)

What you will see (and why it matters)

The decal typically includes both a model number and a serial number. The model number is what we use to match the correct Craftsman parts diagrams and parts like a blade adapter, belt, or control cable.

Item on decal	What it’s used for	Example for this mower
Model number	Identifies the exact mower version for parts lookup	917388280 (may appear as 917.388280)
Serial number	Identifies production run details	Varies by unit

Why it matters

Using the exact model number prevents ordering the wrong parts and helps ensure fit and compatibility for maintenance items and repairs.

Last updated: January 2026

The model number for this Craftsman walk-behind lawn mower is 917.388280 (often written without the dot as 917388280). You’ll find it printed on the mower’s model/serial decal, and it’s also shown on the cover of the 917388280 owner's manual.

Where to find the model number on the mower

We use the model number to match the correct parts (blade adapter, zone control cable, wheels) and the right maintenance specs.

• Look for a decal on the rear of the lawn mower housing.
• Record both the model number and serial number for parts lookup.
• Use the exact model format when ordering parts: 917.388280 or 917388280.
• If the decal is dirty or faded, wipe it clean and use a flashlight to read the stamped print.

Model number vs. engine model number (common mix-up)

This mower has its own model number, and the engine has a separate model number. Both can matter when you’re buying engine-specific parts.

Item	What it identifies	Example for this mower
Mower model number	The Craftsman mower (deck, handle, wheels, drive system)	917.388280
Engine model number	The engine (carburetor, recoil starter, ignition parts)	143.996004

Why it matters for parts and repairs

Using the correct mower model number helps us match parts that fit the deck and controls, such as the lawn mower engine zone control cable 582991501 or the lawn mower blade adapter 581547901. It also helps ensure maintenance specs (like blade bolt torque) are followed correctly.

Last updated: January 2026

The cheapest time of year to buy a lawn mower is typically late fall through winter, when retailers clear out remaining inventory and demand is low. For a Craftsman walk-behind mower like model 917388280, you’ll usually see the deepest markdowns after the mowing season ends.

Best times to shop (price vs. selection)

• September to November: clearance pricing starts; good chance of closeout deals
• December to February: lowest demand; often the best prices, but limited selection
• March to May: best selection of new models; prices are usually higher
• Major holiday events: Black Friday and end-of-season promotions can be strong value points

What to compare before you buy

Even when the price is right, we recommend checking these basics so you don’t trade savings for frustration:

• Deck size and cut options (mulch, bag, side discharge)
• Parts availability for wear items (blade, belt, cables)
• Condition of safety shields and discharge components
• Ease of maintenance (oil access, cleaning under the deck)
• Storage needs (handle folding and footprint)

Quick guide: when to buy

Time of year	Typical price level	Typical selection
Fall (Sep to Nov)	Low	Medium
Winter (Dec to Feb)	Lowest	Low
Spring (Mar to May)	Highest	Highest

Why it matters

Buying in the off-season can save money, but spring buying can save time because you’ll have more choices and fewer “out of stock” surprises. Either way, planning ahead helps you keep up with routine maintenance and safe operation practices outlined in the 917388280 owner's manual.

Last updated: January 2026

Gas walk-behind mowers like the Craftsman 917388280 are not being phased out everywhere at once, but new gas mower sales are trending downward in some areas as electric models grow and certain regions adopt stricter emissions rules. Your mower can still be maintained and repaired normally using the 917388280 owner’s manual.

What this means for owning a Craftsman 917388280

Even as the market shifts, the practical impact for most owners is maintenance and parts availability, not an immediate need to replace a working mower.

• Keep up with routine tune-up items (oil, air filter, spark plug)
• Use fresh fuel and avoid long-term storage with untreated gasoline
• Maintain the cutting system so the engine is not overloaded
• Store the mower safely and let the engine cool before covering
• Repair wear items as needed (blade adapter, belt, cables, wheels)

Maintenance steps that keep a gas mower running longer

The manual emphasizes safe fueling and storage practices, plus common no-start causes like stale fuel, dirty air filter, and spark plug issues.

• Fill the gas tank only when the engine is cool; clean up spills before starting
• If fuel is stale, drain the tank and refill with fresh gasoline
• Clean or replace a dirty air filter when starting or power problems show up
• Check the spark plug and reconnect the plug wire if it comes loose
• If the blade is loose or the adapter is damaged, correct it before mowing

Quick reference: common “won’t start” causes

Symptom	Common cause	Typical fix
Pulls but will not fire	Stale fuel	Drain and refill with fresh fuel
Starts then dies	Dirty air filter	Clean/replace air filter
No spark	Bad spark plug	Replace spark plug
Hard pull or vibration	Loose blade or damaged adapter	Tighten blade bolt or replace adapter

Parts that commonly support long-term ownership

If you notice vibration, poor cutting, or intermittent blade engagement, the blade mounting hardware is a frequent checkpoint. For this model, a common related replacement is the lawn mower blade adapter 581547901.

Why it matters

Gas mowers remain very repairable, and good fuel practices plus basic upkeep prevent the most common failures (no-start, loss of power, and rough operation). That keeps your Craftsman 917388280 dependable even as more homeowners choose electric.

Last updated: January 2026