Craftsman 917388930 lawn mower Parts

The Craftsman walk-behind mower model 917388930 takes 20 ounces of engine oil. For best starting and engine protection, use the oil viscosity listed for your outdoor temperature range in the 917388930 owner's manual.

Oil capacity and what to use

Your mower’s engine oil capacity is fixed at 20 oz, but the oil type should match the temperature:

• SAE 30 for temperatures above 32°F
• SAE 5W-30 for temperatures below 32°F
• Use a quality 4-cycle small engine oil meeting the API service category shown in the manual
• Check oil level before each use and after refilling
• Do not overfill; overfilling can cause smoking, hard starting, and oil leaks

How to fill it correctly (quick steps)

• Park the mower on a level surface and let the engine cool.
• Remove the dipstick or oil fill cap.
• Add oil slowly, stopping short of 20 oz.
• Reinsert dipstick, then check level.
• Top off to the FULL mark; reinstall cap securely.

Quick reference table

Item	Spec for Craftsman 917388930
Oil capacity	20 oz
Oil viscosity above 32°F	SAE 30
Oil viscosity below 32°F	SAE 5W-30

Why it matters

Running low on oil can quickly damage the engine, and overfilling can cause performance problems. Keeping the oil at the correct level helps your mower start easier, run cooler, and last longer.

Last updated: February 2026

On the Craftsman walk-behind mower model 917388930, the most common problems we see are starting issues (starter rope hard to pull), loss of power, poor or uneven cutting, and excessive vibration. Many of these trace back to blade condition, grass buildup under the deck, or basic maintenance items.

Most common symptoms and what usually causes them

• Loss of power: dirty air filter, cutting too much grass, or grass and debris packed under the mower deck
• Poor cut or uneven cut: worn, bent, or loose blade; uneven wheel height settings; debris buildup under the deck
• Excessive vibration: loose or damaged blade, or a bent crankshaft after striking an object
• Starter rope hard to pull: blade dragging in grass, flywheel brake engaged, or a damaged blade adapter
• Grass bag not filling (if equipped): cutting height too low, blade lift worn, or catcher airflow restricted

Quick checks we recommend first (safe, fast, and high-impact)

1. Disconnect the spark plug wire before working near the blade.
2. Tip the mower on its side with the air filter and carburetor facing up.
3. Clear packed grass from under the deck and around the blade area.
4. Inspect the blade for bends, cracks, and looseness; tighten hardware as needed.
5. Confirm all four wheels are set to the same cutting height.

Parts that commonly fix these problems

If inspection shows wear or damage, these model-matched parts are common solutions:

Symptom	Part to inspect/replace	Example model-matched part
Vibration, poor cut	Blade and mounting	21-in deck 3-in-1 blade 532189028
Vibration, blade won’t stay tight	Blade mounting interface	Blade adapter 532418373
Engine won’t keep running when you release the handle	Operator presence control	Lawn mower zone control cable 532183281

Why it matters

A dull or loose blade and heavy deck buildup make the engine work harder, which causes bogging, uneven cutting, and vibration. Keeping the blade sharp and the underside of the deck clean also reduces strain on the blade adapter and crankshaft.

For model-specific maintenance intervals, adjustment steps, and troubleshooting charts, follow the 917388930 owner's manual.

Last updated: February 2026

The model number is 917.388930 (often written without the dot as 917388930) for this Craftsman walk-behind rotary lawn mower. You can confirm it on the model tag and in the 917388930 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 tag on the mower housing.

• Check the rear of the deck near the discharge opening
• Look on the top of the deck near the engine mounting area
• Inspect the handle support area (near the lower handle brackets)
• Match the tag to the manual format (it may include a dot: 917.388930)

Why the dot matters (917.388930 vs 917388930)

Both formats refer to the same mower; the dot is a formatting style used in some manuals and labels.

You might see it as	What it means	When it shows up
917.388930	Same model number	Owner's manuals, some ID tags
917388930	Same model number	Parts lookups, online searches

Why it matters when ordering parts

Using the exact model number helps us match the correct handle hardware, blade, and control components for your Craftsman mower.

• Prevents ordering the wrong blade or blade adapter
• Helps match the correct zone control cable routing and length
• Ensures handle parts align correctly (knobs, bolts, clamps)

Example parts commonly tied to the model number

If you are confirming fitment while repairing the handle or blade area, these model-specific parts are common reference points:

• Upper handle 532194179
• Lawn mower zone control cable 532183281
• Husqvarna lawn mower 21-in deck 3-in-1 blade 532189028

Last updated: February 2026

The model number is 917.388930 (often written without the dot as 917388930) for this Craftsman rotary walk-behind gas lawn mower. You can confirm it on the mower’s model tag and in the owner's manual for 917388930.

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-adjustment area on the deck side
• In the documentation that came with the mower

Why you might see it written two ways

Both formats refer to the same mower; the dot is just a formatting style.

Format you see	What it means	When it’s used
917.388930	Same model number	Often shown in printed manuals and labels
917388930	Same model number	Common on parts sites and search fields

Why it matters (parts and diagrams)

Using the exact model number helps us match the correct parts diagrams and hardware for your mower, especially for handle and control components.

If you are replacing handle hardware, match the diagram callout to the exact part listing, such as the handle bolt 532191574 or upper handle 532194179.

Last updated: February 2026

For your Craftsman walk-behind mower model 917388930, we recommend buying replacement parts by searching with the exact model number and matching the part name and diagram reference in the 917388930 owner's manual. That approach helps you get the correct blade, cable, wheel, or hardware the first time.

Best places to buy Craftsman parts

We see customers have the best results using these sources, in this order:

• Sears PartsDirect: model-based diagrams and exact part ID matching for 917388930
• Craftsman parts store: good for common maintenance items and model lookups
• Major retailers (in-store or online): useful for universal items like oil, fuel stabilizer, and some filters
• Specialty outdoor power equipment parts sellers: helpful when you already have the exact part number

How to make sure you order the right part

Use this checklist before you buy:

• Confirm the model number 917388930 from the mower’s model/serial decal
• Use the parts diagrams in the 917388930 owner's manual to identify the correct assembly
• Match the part name and part ID/part number (not just a photo)
• If replacing cutting parts, check related hardware and mounting pieces at the same time
• For control problems, verify cable routing and handle controls before ordering

Common 917388930 parts customers replace

What you’re fixing	Part to check first	Example from this model
Poor cut quality or vibration	Blade and blade mounting	21-in deck 3-in-1 blade 532189028 and blade adapter 532418373
Engine won’t keep running when you release the handle	Operator presence control cable	Lawn mower zone control cable 532183281
Mower is hard to push or tracks poorly	Wheels	Lawn mower wheel 583720101

Why it matters

Walk-behind mower parts often look similar across models, but small differences in blade center hole, cable length, or wheel hub style can cause poor performance or unsafe operation. Using the model-specific diagrams for Craftsman 917388930 prevents mismatches.

Last updated: February 2026