Craftsman 917389010 lawn mower Parts

No. Craftsman mower blades are not all the same; the correct blade depends on your mower’s deck size, blade mounting pattern, and whether you want standard cutting, mulching, or bagging performance. For Craftsman model 917389010, match the blade to the parts list in the 917389010 owner's manual.

What must match for the blade to fit

Even if two blades are both “Craftsman,” they can differ in key fit details. Check these before ordering:

• Deck size (this mower is a 21-inch class deck)
• Center hole and drive features (star, round, “D” shape, or specific adapter style)
• Blade length and width
• Blade lift (low, medium, high lift)
• Mulching features (curved teeth or extra cutting edges)
• Use case (side discharge, rear bagging, mulching)

Blade types: what changes and when to choose them

Different blade designs change airflow and clipping size.

Blade type	Best for	What you’ll notice
Standard/high-lift	Bagging and cleaner pickup	Stronger suction, more airflow
Mulching	Mulching without bag	Finer clippings, less visible debris
Combination (multi-purpose)	Switching between modes	Balanced cut and airflow

If you’re replacing a damaged blade after striking an object, inspect the blade adapter at the same time; a worn adapter can cause vibration and repeat blade loosening. The model’s listed blade is the lawn mower blade 532406712.

Why it matters

Using the wrong blade can cause poor cut quality, clumping, reduced bagging, excessive vibration, and faster wear on the crankshaft area. Matching the blade to 917389010 protects performance and helps the mower run smoother.

Quick safety and install reminders

• Disconnect the spark plug wire before servicing the blade.
• Wear gloves; mower blades are sharp.
• Torque the blade fastener securely and recheck after the first short mow.
• If you hit something, stop and inspect before restarting.

Last updated: February 2026

The Craftsman 917389010 walk-behind mower uses a Briggs & Stratton 625 Series 4-cycle engine; the manual lists the engine model as 122T02-1308-B1. For the exact tune-up specs (oil type, spark plug, and maintenance intervals), use the 917389010 owner's manual.

How to confirm the engine on your mower

We recommend matching the manual info to the engine label on your machine so you get the right parts and service specs.

• Look for the Briggs & Stratton ID label on the engine shroud or valve cover area
• Confirm the engine model format (for this mower: 122T02-1308-B1)
• Record the type and code numbers from the label (helpful for engine-specific parts)
• Use the mower model number 917389010 when ordering deck and handle parts
• Use the engine model numbers when ordering engine-only items (carburetor, recoil starter, etc.)

Engine details at a glance

Item	What you have on Craftsman 917389010
Engine brand	Briggs & Stratton
Engine family	625 Series
Engine type	4-cycle (gas)
Engine model number	122T02-1308-B1

Why it matters

The mower model number identifies the chassis and cutting system, but the engine model number controls many service parts and settings. Using the correct engine ID helps prevent ordering the wrong ignition, fuel, or recoil-starter components.

Related maintenance tip

A dull or bent blade can overload the engine and reduce cut quality. If you are servicing the cutting system, the lawn mower blade 532406712 is the model-matched blade listed for this mower.

Last updated: February 2026

For Craftsman walk-behind mower model 917389010, use SAE 30W 4-cycle engine oil for typical warm-weather mowing. Our recommendation is to confirm the exact oil grade and fill procedure in the 917389010 owner's manual before your first fill or oil change.

Oil type and when to use it

Use these common 4-cycle mower oil choices based on temperature:

• SAE 30W: best for consistently warm conditions
• 10W-30: good for wider temperature swings
• 5W-30 (synthetic): best for colder starts

How to check and add oil correctly

Always check the level first so you do not overfill.

• Park the mower on a level surface and let the engine cool.
• Remove the oil cap/dipstick, wipe it clean, then reinsert to read.
• Add oil slowly in small amounts.
• Recheck the dipstick and stop at the full mark.
• Tighten the dipstick securely before starting.

Capacity and service interval (what the manual calls out)

The 917389010 manual includes practical fill amounts and timing:

Maintenance item	What to follow	Why
Initial fill guidance	Follow the manual’s initial-fill instructions	Prevents underfill or overfill
Oil change refill	Follow the manual’s refill guidance	Accounts for drain time and residual oil
Change interval	Every 25 hours or each season	Keeps lubrication and cooling effective

Why it matters

Correct oil viscosity and the proper level reduce engine wear and overheating. Overfilling can cause heavy smoking at startup and poor running, so checking the dipstick before adding oil is the safest approach.

Last updated: February 2026

The model number for this Craftsman walk-behind mower is 917.389010 (often written without the dot as 917389010). You can confirm it on the model tag and in the 917389010 owner's manual.

Where to find the model number on the mower

Most Craftsman walk-behind mowers list the model number on a label or stamped plate. Check these common spots:

• On the rear of the mower deck near the discharge opening
• On the back of the deck near the rear door or grass bag area
• On the handle bracket area (near where the handle mounts to the deck)
• In the owner documentation that came with the mower

Model number vs. engine model number (important)

This mower uses a Briggs & Stratton engine, and the engine has its own separate model number. Use the mower model number for chassis parts (blade, wheels, handle parts) and the engine model number for engine-specific parts.

What you are identifying	Example from this mower	Use it for
Mower model number	917.389010 (917389010)	Deck, handle, wheels, bagging and discharge parts
Engine model number	122T02-1308-B1	Spark plug, carburetor, air cleaner, recoil starter parts

Why it matters

Using the correct model number prevents ordering the wrong parts. For example, the correct blade and blade-mounting hardware for this mower are tied to the 917.389010 parts list, such as the lawn mower blade 532406712 and the blade adapter 532418373.

Last updated: February 2026

Craftsman model 917389010 is a walk-behind rotary lawn mower model number, and the owner’s documentation for this mower does not assign a single “model year.” The most accurate way to date your specific mower is to use the engine date code (Briggs & Stratton) and your purchase date shown in the 917389010 owner’s manual.

How to find the year (best method)

Use the engine identification information because it ties to when the engine was built, which closely matches when the mower was assembled.

• Locate the Briggs & Stratton engine model/type/code stamping (usually on the blower housing, valve cover area, or a label).
• Record the CODE number; that is the date code on most Briggs & Stratton engines.
• Convert the code to a build date (Briggs commonly uses YYMMDD format on the CODE).
• Compare that build date to your receipt or warranty start date.
• Confirm the mower model and engine family in the 917389010 owner’s manual.

What we can confirm for model 917389010

The manual identifies this mower as a Craftsman rotary lawn mower with a Briggs & Stratton 625 Series engine and lists the engine model used on this configuration.

Item	What it tells you	Where to look
Mower model number (917389010)	Identifies the parts breakdown and manual	Mower deck label, handle area, manual cover
Engine model (example shown in manual)	Identifies the engine family	Engine shroud label/stamping
Engine CODE (date code)	Best indicator of build date	Engine stamping/label
Purchase date	Warranty start and ownership timeline	Receipt, service records

Why it matters

Knowing the approximate build year helps you match the correct blade, blade adapter, and deck hardware when ordering parts or doing maintenance. For example, if you are servicing the cutting system, matching the correct lawn mower blade 532406712 to your deck setup prevents vibration, poor cut quality, and fast wear.

Quick safety and handling notes

• Disconnect the spark plug wire before working near the blade.
• Tip the mower only as directed in the manual to reduce fuel and oil spills.
• Replace bent blades and worn adapters together when needed.

Last updated: February 2026

On a Craftsman walk-behind mower, the mower model number is on the mower’s ID label (not on the engine). For this unit, the mower model is 917.389010; you’ll use that number to match the correct Craftsman parts list and diagrams in the 917389010 owner's manual.

Where to look on the mower

Check these common label locations first (clean off grass and dirt so you can read it):

• Rear of the mower deck near the discharge opening or rear door
• Top of the deck near the engine mounting area
• Back of the deck near the height adjuster or wheel bracket
• Handle support area (near the lower handle mounts)
• Under the rear flap or near the grass bag opening

Mower model number vs. engine model number

Many Craftsman mowers have a Briggs & Stratton engine with its own model/type code. That engine number helps with engine parts, but it does not replace the mower model number for deck, handle, wheels, and controls.

You need parts for	Use this number	Example from this mower
Deck, wheels, handle, chute, bagging parts	Mower model number	917.389010
Carburetor, recoil starter, ignition, engine gaskets	Engine model/type code	Briggs & Stratton engine ID (varies by engine label)

Why it matters

Using the correct mower model number prevents ordering parts that look similar but do not fit, such as the blade, blade adapter, discharge components, or control cable.

Quick part examples tied to the mower model

Once you confirm the mower model number, you can match common wear items like:

• Lawn mower blade 532406712 (blade fit and center hole pattern)
• Blade adapter 532418373 (mates blade to crankshaft)
• Lawn mower zone control cable 532183281 (operator presence control)

Last updated: February 2026