Craftsman 917254310 tractor Parts

For Craftsman lawn tractor model 917254310, the operator’s manual identifies it as a 21.0 HP riding lawn tractor with a 42-inch mower deck and an automatic transmission. For the exact engine manufacturer and engine model number, use the ID label and specs section in the 917254310 operator's manual.

How to identify the exact engine on your 917254310

We recommend confirming the engine by reading the engine ID information on the tractor itself; that is the most accurate match for parts and tune-up items.

• Open the hood and look for an engine label (often on the blower housing, valve cover, or near the starter)
• Write down the engine model, type, and code (or serial) numbers
• Match those numbers to the engine parts list when ordering filters, spark plugs, or ignition parts
• If the label is dirty, wipe it clean; avoid spraying water directly into the air intake
• Keep the numbers with your records for future maintenance

What the manual tells you (and what it means)

The manual details the tractor’s configuration and operating controls, which helps you confirm you are working with the correct platform before ordering parts.

Spec/feature	What you can expect on 917254310	Why it matters
Horsepower rating	21.0 HP (as rated by engine manufacturer)	Helps narrow engine family and tune-up parts
Deck size	42-inch mower deck	Determines blade and deck-drive components
Transmission	Automatic	Affects drive belt routing and drive troubleshooting
Starting system	Electric start	Points to battery, solenoid, and ignition circuit parts

Related parts that support starting and engine operation

If your question is tied to a no-start or click-no-crank symptom, these model-matched parts are commonly involved in the starting circuit:

• Lawn tractor starter solenoid 582042802 (switches battery power to the starter)
• Lawn tractor ignition switch 532193350 (key switch that powers the start/run circuits)

Why it matters

The tractor model number (917254310) tells us the tractor platform, but the engine ID tag tells us the exact engine build. Using the engine’s model and code prevents ordering the wrong carburetor, air filter, or ignition parts.

Last updated: February 2026

For the Craftsman 42-inch riding mower shown on this page, the model number is 917.25431 (often written without the dot as 917254310). You will see it on the tractor’s model label and on the cover of the owner's manual.

Where to find the model number on the mower

Check these common locations on Craftsman riding mowers like model 917254310:

• Under the seat on the frame or seat pan
• On the rear fender area near the seat
• On the frame near the engine compartment
• Near the steering column or dash support
• On a label that also lists the serial number

917.25431 vs 917254310: what’s the difference?

They refer to the same tractor; the dot is formatting used in manuals and labels.

You might see it written as	What it means
917.25431	Model number format used in the operator’s manual and many ID labels
917254310	Same model number without punctuation (common in parts lookups)

Why it matters for parts and repairs

Using the exact model number helps us match the correct deck, belts, and electrical parts for your 42-inch mower so you get the right fit and routing.

If you are ordering common wear items, match by model first, then confirm by part diagram:

• Deck drive and ground drive belt options such as the lawn tractor ground drive or blade drive belt, 1/2 x 92-2/5-in 592855201
• Mower deck components such as the 3-in-1 blade, 42-in 532422719
• Starting and electrical parts such as the lawn tractor ignition switch 532193350

Last updated: February 2026

The Craftsman lawn tractor model 917.254310 was in production around the early 2010s; the operator’s manual for this tractor shows a print date of 09/28/2011, which places this model in that timeframe. For the exact build year of your specific unit, use the serial number on the ID plate.

How to find the exact build year on your tractor

The most reliable way to pin down the year is the product ID/serial number label (often under the seat or near the rear fender area).

• Park on a flat surface, set the parking brake, and remove the key
• Lift the seat and look for the model and serial number decal/plate
• Write down the full serial number exactly as shown
• Compare the serial number format and identification details in the owner's manual
• Keep a photo of the label for ordering parts like belts, blades, and electrical components

What we can confirm from the documentation

The manual excerpt for model 917.25431 includes a printed date that helps date the model family.

Item	What it tells you	What it does not tell you
Manual print date: 09/28/2011	The model was supported and documented by that date	The exact assembly date of your specific tractor
Serial number label	Your tractor’s specific build identification	Nothing, if the label is missing or unreadable

Why it matters

Knowing the correct year (and serial number) helps ensure you get the right parts and diagrams for your exact configuration, especially for deck and drive components that can vary by production run.

If you are ordering wear items, match by model and diagram callout first; for example, deck and drive issues often involve parts like the lawn tractor ground drive or blade drive belt, 1/2 x 92-2/5-in 592855201 or the 3-in-1 blade, 42-in 532422719.

Last updated: February 2026

On your Craftsman lawn tractor model 917254310, the engine model number is typically on an engine ID label or stamped into the metal on the engine itself. Look on top of the engine, near the valve cover/cylinder head area, or along the blower housing where the cooling shroud wraps around the engine; clean the area so the numbers are readable. For diagrams and model identification details, use the owner's manual.

Where to look on the engine (most common spots)

• Top of the engine near the cylinder head or valve cover
• Blower housing/shroud area (the metal or plastic cover around the flywheel)
• Near the spark plug side of the engine
• Along the engine block on a flat machined surface
• Near the muffler/heat shield area (often needs cleaning to read)

Quick steps to find it fast

• Park on a flat surface; set the parking brake; remove the key.
• Let the engine cool completely.
• Wipe dirt and grass off with a rag; use a soft brush for packed debris.
• Use a flashlight; look for a sticker/plate or stamped numbers.
• Write down every line you see (model, type, code, spec, serial).

What to record (and why)

What you find	What it’s used for	Example format
Engine model number	Correct tune-up and engine parts	Numbers/letters string
Spec/type code	Exact engine version	Short code near model
Serial/date code	Production run details	Longer serial string

Why it matters

The engine model number is the key to matching the right ignition parts, fuel system parts, and maintenance items. It also helps avoid ordering the wrong components when multiple engines were used across similar Craftsman tractor platforms.

Last updated: February 2026