Craftsman 917257642 lawn tractor Parts

The Craftsman lawn tractor model 917257642 uses a gas-powered, single-cylinder riding mower engine, but the exact engine brand and horsepower vary by build and engine family. We match the correct engine parts by using your model number and the engine’s ID numbers on its label.

How to identify the exact engine on model 917257642

Look for an engine label (usually on the blower housing, valve cover, or near the starter). Record these items:

• Engine manufacturer (commonly Briggs & Stratton, Kohler, or Tecumseh on older units)
• Model/type code (or spec number)
• Code/date (helps identify the exact version)
• Displacement or horsepower rating (if listed)
• Any stamped numbers on the muffler heat shield or shroud

Quick checks that help you confirm you have the right parts

Even without the exact engine model in hand, these checks prevent wrong-part orders:

• Compare your deck size and blade style before ordering blades
• Verify electrical symptoms before replacing starting components
• Inspect belt routing and pulley condition if the deck will not engage
• Check for worn mandrel bearings if you hear grinding or squealing from the deck

Common parts that relate to engine and starting issues

If your engine clicks, cranks slowly, or will not crank, these parts are often involved:

Symptom	Most common area	Example part on this model page
Single click, no crank	Starting circuit	Solenoid 532146154
Cranks but will not start	Fuel/ignition/compression	(engine-specific parts vary)
Runs but cuts poorly	Deck/blades/mandrels	Husqvarna lawn tractor mulching blade, 21-in 532134149

Why it matters

The same Craftsman model number can be paired with different engine variants over time. Using the engine’s model/type code ensures you get the correct tune-up parts, ignition parts, and starting components for your exact tractor.

Last updated: February 2026

The model number for this Craftsman riding mower is 917257642. That number identifies the exact front-engine lawn tractor version so you can match the correct diagrams and replacement parts (like blades, mandrel parts, and electrical starting components).

Where to find the model number on the mower

On most Craftsman riding mowers and lawn tractors, the model number is printed on a product ID label. Check these common spots:

• Under the seat (seat pan area)
• On the rear fender or frame near the seat
• On the left or right side of the frame, under the hood line
• Near the engine compartment on the chassis rail
• Around the transmission or rear frame area

Why “917” matters (and why other numbers can be confusing)

Craftsman model numbers that start with 917 are commonly used for riding mowers and lawn tractors. You may also see other identifiers (engine model, deck numbers, or store/SKU listings) that are not the same as the mower’s model number.

Number you see	What it usually identifies	Use it for
917257642	The mower (tractor) model number	Parts lookup and diagrams
Engine model/type code	The engine itself	Engine-specific tune-up parts
Deck size (example: 42-in)	The cutting deck width	Blade and deck component matching

Parts that commonly depend on the exact model number

Using 917257642 helps ensure you get parts that fit your exact deck and chassis configuration. Common examples include:

• Mower blades (example: husqvarna lawn tractor mulching blade, 21-in 532134149)
• Deck spindle and mandrel components (example: husqvarna lawn tractor mandrel assembly 532130794)
• Starting and electrical parts (example: solenoid 532146154)
• Steering linkage parts (example: lawn tractor drag link 532130468)

Why it matters

A single digit difference in a Craftsman model number can change the deck setup, belt routing, steering parts, or electrical configuration. Matching parts to 917257642 prevents ordering the wrong blade, mandrel, or solenoid.

Last updated: February 2026

Replacing the engine on your Craftsman lawn tractor model 917257642 is worth it when the tractor’s deck, steering, and transmission are still solid and the total engine-swap cost stays well below the cost of replacing the whole tractor. If multiple major systems are worn out, replacement makes more sense.

Quick decision checklist

• The mower deck is not rusted through and still cuts evenly.
• The transmission drives smoothly (no slipping, whining, or loss of pull).
• Steering and front-end parts are tight (no severe play or wandering).
• You can source the correct engine and mounting hardware without major fabrication.
• The total cost (engine + belts/blades + incidentals) stays under about 50% of a comparable replacement tractor.

Costs and effort: what usually tips the scale

Engine swaps can be straightforward, but the “hidden” costs decide the value.

Factor	Usually favors engine replacement	Usually favors replacing the tractor
Deck condition	Solid shell, spindles serviceable	Rusted, cracked, or badly worn deck
Drive system	Strong, consistent drive	Slipping, weak pull, noisy transaxle
Parts availability	Common wear parts easy to get	Multiple hard-to-find parts needed
Your time	DIY tools and time available	Paying labor for most of the work

While you are in there: parts that commonly need attention

If the engine failed after years of use, we typically see other wear items due soon. Checking these before you commit prevents doing the job twice.

• Blade and deck hardware: a worn blade or spindle can cause vibration and poor cut quality.
• Deck spindle/mandrel: inspect for play, noise, or wobble (a common cause of belt and blade issues).
• Starter circuit: if you had clicking or intermittent cranking, test the solenoid and cables.
• Tires and steering linkage: worn tires or loose steering can make a “new-engine” tractor still feel tired.

Helpful model-matched examples from this parts list include the solenoid 532146154 and deck components like the husqvarna lawn tractor mandrel assembly 532130794.

Why it matters

An engine is the single biggest repair on a riding mower. If the rest of the Craftsman 917257642 is structurally sound, an engine swap can extend service life for years; if the deck or drive system is failing, you can end up chasing expensive problems after the swap.

For more planning and maintenance guidance, use our DIY resource how to tune up a riding lawn mower video.

Last updated: February 2026

For Craftsman lawn tractors like model 917257642, the year is determined from the serial number on the ID tag, not from the model number itself. Many tags include a separate date code or a grouped numeric date that lets you identify the build year.

Where to find the ID tag (serial number)

Check the tractor frame and seat area first; the tag is usually easy to spot once you know where to look:

• Under the seat pan or on the seat bracket
• On the frame rail near the engine
• Near the rear hitch plate or transaxle area
• Under the hood on the chassis (less common)

How to decode the year from the tag

Use the format printed on your tag. Craftsman used multiple formats over time, so match what you see:

• Printed date code present: use that date as the build date.
• Grouped pairs (MM DD YY): the last pair is the year.
• Long serial with letters: look for a separate date code on the same label; if none is shown, use the serial exactly as printed when matching parts.

Example (pair format)

If your tag shows 07 28 11, it decodes like this:

Code	Meaning
07	Month
28	Day
11	Year (2011)

Why it matters

The build year helps us match the correct parts diagrams and configurations (deck, steering, electrical, and starting system) for your Craftsman 917257642.

Parts that often come up while you are checking the tag

If you are also diagnosing a no-crank or no-start issue, these are common wear items:

• Solenoid 532146154 (single click but no crank)
• Molded ignition key 532140403 (worn or damaged key)

For a step-by-step no-crank check, use: riding lawn mower engine clicks but doesnt turn over video.

Last updated: February 2026