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Craftsman 917378441 gas walk-behind lawn mower

Craftsman 917378441 gas walk-behind lawn mower Parts

Here are the diagrams and repair parts for Craftsman 917378441 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for 917378441 Walk-Behind Mowers

  • Dog, Movable for Craftsman 917378441 - Part 532183503

    Gear case assembly diagram

    Movable Dog Clutch

    Part #183503

    Replaced by #532183503

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  • Upper Case for Craftsman 917378441 - Part 532183498

    Gear case assembly diagram

    Case.upper(0

    Part #183498

    Replaced by #532183498

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  • Husqvarna Lawn Mower Wheel for Craftsman 917378441 - Part 532150341

    Engine/housing/handle diagram

    Lawn Mower Wheel

    Part #150341

    Replaced by #532150341

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  • Lawn Tractor Nut for Craftsman 917378441 - Part 582478602

    Engine/housing/handle diagram

    Nut

    Part #132004

    Replaced by #582478602

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    This part replaces 132004. Substitute parts can look different from the original.
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  • Rivet Blind for Craftsman 917378441 - Part 532128415

    Engine/housing/handle diagram

    Lawn & Garden Equipment Pop Rivet

    Part #128415

    Replaced by #532128415

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    This part replaces 128415. Substitute parts can look different from the original.
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  • Husqvarna Lawn Mower Drive Pinion Gear for Craftsman 917378441 - Part 532137054

    Wheels/tires/bag diagram

    Lawn Mower Drive Pinion Gear

    Part #137054

    Replaced by #532137054

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    This part replaces 137054. Substitute parts can look different from the original.
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  • Anti-rotation Bracket for Craftsman 917378441 - Part 165108

    Engine/housing/handle diagram

    Anti-rotation Bracket

    Part #165108

    The manufacturer no longer makes this part, and there's no substitute part

  • Gas Can 2.5 for Craftsman 917378441 - Part 33623

    #NI04

    All parts diagram

    Gas Can 2.5

    Part #33623

    The manufacturer no longer makes this part, and there's no substitute part

  • Output Seal for Craftsman 917378441 - Part 183508

    Gear case assembly diagram

    Output Seal

    Part #183508

    The manufacturer no longer makes this part, and there's no substitute part

  • Lawn Mower Screw for Craftsman 917378441 - Part 183513

    Gear case assembly diagram

    Lawn Mower Screw

    Part #183513

    The manufacturer no longer makes this part, and there's no substitute part

Craftsman Gas Walk-Behind Lawn Mower 917378441 FAQs

Gas walk-behind mowers like the Craftsman 917378441 are not being phased out everywhere at once; the shift is gradual and depends on where you live. Some areas are restricting sales of new gas-powered outdoor equipment, while many other states still allow gas mower sales and service.

What is changing (and what is not)

Most changes focus on new equipment sales and emissions rules, not on taking existing mowers out of service.

  • Some states and cities are adopting tighter emissions standards for small engines.
  • Retailers are expanding battery-electric mower options because many homeowners prefer lower noise and less maintenance.
  • Gas mowers remain common for larger yards, heavy grass, and long run times.
  • Parts support and repairs continue; routine maintenance items (blades, belts, wheels) are still widely available.
  • Your current mower can typically be used and maintained normally for years.
What this means for your Craftsman 917378441

If you already own this mower, the practical focus is keeping it reliable and safe.

  • Follow the fuel and storage guidance in the 917378441 owner’s manual.
  • Use fresh fuel and avoid storing gasoline from one season to the next.
  • Keep the blade system tight and in good condition; a loose blade or damaged adapter can cause starting and vibration problems.
  • Maintain drive components if the mower is self-propelled and starts slipping.
Common maintenance parts owners replace
System What you service Example part for this model
Blade mount Blade-to-crank connection Lawn mower blade adapter 581547901
Drive system Self-propelled movement Lawn mower ground drive belt 532175436
Wheels Traction and rolling Lawn mower wheel 532150341
Why it matters

Regulations and market trends mainly affect what is easiest to buy new. For owners, the bigger impact is planning for maintenance, seasonal storage, and parts availability so your gas mower stays dependable.

Last updated: January 2026

On the Craftsman gas walk-behind lawn mower model 917378441, the model number is typically printed on a product label on the mower deck; check the rear area of the deck near where the lower handle mounts attach. Use the exact model number to match the correct parts and diagrams.

Where to look on the mower

Check these common label locations on walk-behind mowers:

  • Back of the deck, between the lower handle mounts
  • Rear of the deck near the discharge opening or rear door area
  • Top of the deck near the engine mounting area (less common)
  • Under the grass bag flap or near the bag frame (if equipped)
What the label usually shows

Most Craftsman mower ID labels include a few fields. Here is what to record:

Label item What to write down Why it matters
Model number 917378441 Ensures parts fit your exact mower version
Serial number The full serial string Helps identify production run details
Product number (if shown) Full number as printed Can narrow down parts lists
Tips to read a worn or dirty tag

If the sticker is hard to read, these steps usually help:

  • Wipe the area with a damp rag and mild soap; dry it fully
  • Use a flashlight at a low angle to make faint printing stand out
  • Take a close-up photo and zoom in
  • Copy the number exactly, including dots or dashes if present
Why it matters

Parts like the engine zone control cable, drive belt, wheels, and height adjuster components can vary by model series. Using the correct model number helps us match the right diagrams and the right replacement parts the first time. For diagram callouts and identification help, use the 917378441 owner's manual.

Last updated: January 2026

A Craftsman gas walk-behind lawn mower like model 917378441 typically lasts 8 to 12 years with normal residential use and routine maintenance (oil changes, blade care, clean fuel practices). Heavy use, poor storage, and skipped maintenance shorten that lifespan.

What most affects lifespan
  • Maintenance schedule followed consistently (oil, air filter, spark plug)
  • Fuel quality and storage (fresh gas, stabilizer for off-season)
  • Blade condition (sharp, balanced, correct installation)
  • Deck and drive system care (cleaning grass buildup, keeping belts and wheels in good shape)
  • Storage conditions (dry storage, corrosion prevention)
Quick maintenance timeline (typical)
Task Typical interval Why it matters
Change engine oil Every season or ~25 hours Reduces engine wear
Replace/clean air filter Every season (more in dusty areas) Prevents hard starting and power loss
Replace spark plug Every 1 to 2 seasons Improves starting and running
Sharpen/replace blade 1 to 3 times per season Protects engine, improves cut
Inspect drive belt and wheels Every season Maintains self-propel performance
Parts that commonly extend mower life

If the mower still starts and runs well, replacing wear items often restores performance faster than replacing the whole unit:

Why it matters

Most “end of life” symptoms on a walk-behind mower are actually maintenance or wear-part problems (fuel system varnish, dull blade load, slipping belt). Following the maintenance and adjustment procedures in the 917378441 owner's manual is the most reliable way to reach the full 8 to 12 year lifespan.

Last updated: March 2026

Most common symptoms to help you fix your walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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