Craftsman 917255930 18-hp tractor Parts

For the Craftsman riding lawn tractor model 917255930, a complete engine replacement (engine plus labor) typically costs $800 to $2,500. Most shops charge 4 to 8 labor hours for a riding mower engine swap; the engine price and local labor rate drive most of the total.

What drives the total cost

• Engine choice: new, remanufactured, or used
• Labor rate: small-engine and outdoor power equipment shops bill hourly
• Extra parts and supplies: oil, filter, fuel line, clamps, hardware, battery cables
• Rust and accessibility: seized bolts, worn mounts, and damaged wiring add time
• Related repairs while it is apart: belts, pulleys, PTO clutch, or fuel system service

Model-specific details to confirm before ordering

The 917255930 parts list identifies an 18 HP tractor and shows an engine listing for a Briggs & Stratton engine (with model and type information). Use the engine ID tag on your engine and the parts diagrams in the 917255930 owner's manual to match the correct replacement engine or rebuild parts.

Typical cost breakdown

Cost item	Typical range	What it covers
Replacement engine	$500 to $1,800	New costs more; used or reman costs less
Labor (4 to 8 hours)	$300 to $1,200	Removal, install, setup, test run
Fluids and misc. parts	$25 to $200	Oil, filter, clamps, wiring terminals

Replace the engine or fix a no-start first?

Before committing to an engine swap, we recommend checking common no-start causes that are cheaper than an engine.

• Safety interlock issues (seat switch, PTO switch)
• Ignition problems (key switch, wiring)
• Fuel delivery restrictions (old fuel, clogged filter)
• Starter or solenoid problems

If you are troubleshooting the safety circuit, the lawn tractor ignition switch 532365402 is one of the common electrical parts involved in starting.

Why it matters

An engine replacement is one of the highest-cost repairs on a riding mower. Verifying the exact engine identification and ruling out electrical or fuel issues first prevents buying an engine when the real problem is a switch, wiring, or fuel restriction.

Last updated: February 2026

For Craftsman model 917255930, the engine listed in the repair parts section is Briggs & Stratton; the engine pages call out Briggs & Stratton engine model 422437 (type 1266-01). For Craftsman tractors overall, the engine brand varies by model and year, so the model number is the fastest way to confirm.

What the engine listing means for 917255930

The engine information in the tractor documentation is the best match point for engine-specific parts and service.

• Use the engine model and type to match carburetor, starter, ignition, and gasket parts
• Use the tractor model number 917255930 to match chassis parts like belts, pulleys, and switches
• Confirm the engine tag on the blower housing matches the manual listing before ordering engine parts
• If the tractor has had an engine swap, order engine parts by the engine tag, not the tractor model

Quick ID checklist

What you need	Where to look	What you should record
Tractor model number	Frame tag (often under the seat or on the frame rail)	917255930
Engine brand	Engine shroud and engine ID tag	Briggs & Stratton
Engine model and type	Engine ID tag; engine pages in the manual	422437, type 1266-01

Common tractor-side parts that affect starting

If the engine will not crank or shuts off due to an interlock, these tractor parts are common culprits:

• Lawn tractor ignition switch 532365402 (no-crank, intermittent key operation)
• Lawn tractor seat switch 532421062 (safety shutoff, no-crank when seat switch fails)

Why it matters

Craftsman tractors share many chassis components across years, but engine families change frequently. Matching the correct engine brand, model, and type keeps tune-up and engine repair parts aligned with the exact build.

Last updated: February 2026

For Craftsman riding lawn tractor model 917255930, the parts list specifies a Briggs & Stratton engine: model 422437, type 1266-01 (an 18 HP tractor configuration). For tune-up specs and service details, use the 917255930 owner's manual.

How to confirm the engine on your tractor

We recommend verifying the engine ID on the blower housing or valve cover label; it should match the manual’s engine listing.

• Look for Briggs & Stratton branding on the engine shroud
• Find the model and type numbers stamped or printed on the engine label
• Match those numbers to the engine section in the manual
• Record the numbers before ordering ignition, fuel, or starter parts
• If the label is dirty, wipe it with a rag and mild cleaner (avoid pressure washing the label)

Common engine-related parts you may replace

If your 917255930 has starting or run issues, these model-matched parts are commonly involved:

• Lawn tractor ignition switch 532365402 (no-crank, intermittent crank)
• Fuel tank 532151346 (leaks, cracked tank, contaminated fuel)
• Lawn tractor seat switch 532421062 (engine dies when you hit bumps or shift weight)

Quick symptom-to-check table

Symptom	Most likely area	What to check first
No crank, no click	Starting circuit	Battery connections, then ignition switch wiring
Cranks but will not start	Fuel or ignition	Fresh fuel, fuel flow, spark plug condition
Starts then dies when you stand up	Safety interlock	Seat switch and connector fit
Fuel smell or wet spots	Fuel system	Tank, fuel line routing, clamps

Why it matters

The engine model and type determine the correct carburetor parts, governor linkage pieces, and many ignition and starter components. Using the exact Briggs & Stratton ID (422437, 1266-01) helps prevent wrong-part returns and repeat repairs.

Last updated: February 2026

The model number for this Craftsman front-engine lawn tractor is 917.255930 (often written without the dot as 917255930). You can confirm it in the parts list section of the 917255930 owner's manual, where it’s shown as an 18 HP 44-inch riding lawn tractor model.

Where to find the model number on the tractor

We recommend matching the tag on the tractor to the manual so you order the right parts (ignition switch, belts, fuel system parts, and steering components).

• Look under the seat area on the frame
• Check near the rear fender or footrest area
• Look around the engine compartment/frame rail
• Match the tag format: 917.255930 or 917255930

Why this matters for parts compatibility

Craftsman tractors can look similar across years, but parts like the ignition switch, seat switch, and drive belts are model-specific. Using the exact model number helps ensure the correct fit and wiring connections.

Examples of model-matched parts on this tractor

System	Example part you may replace	Example part ID
Electrical	Ignition switch	532365402
Safety interlock	Seat switch	532421062
Fuel system	Fuel tank	532151346
Mower deck	Blade drive belt	532110884

Quick tip if you’re comparing to other model names

If you see a retail name like “T130” or another brand family reference, use the tractor’s 917.255930 tag as the deciding factor. That number is what the illustrated parts list and repair parts tables are built around.

Last updated: February 2026

Craftsman model 917255930 is an 18 HP, 44-inch riding lawn tractor model designation, not a build-year code. To find the year, we use the tractor’s product/serial number (often on the frame under the seat or near the rear fender) and decode it using the date format shown in the 917255930 owner's manual.

How to find the date code on your tractor

Look for a sticker or stamped tag that lists a product number and serial number.

• Check under the seat on the frame rail
• Check the rear fender pan area
• Check near the engine or battery tray
• Write down the full serial number exactly as shown
• Clean the tag so every digit is readable

How the date is typically decoded

Many Craftsman-built tractors use a serial/date format where the digits represent a manufacturing date (month, day, year). Use this table to interpret the common format:

Digits in the code	What it represents	Example meaning
1-2	Month	07 = July
3-4	Day	28 = 28th
5-6	Year	11 = 2011

If your serial/date code begins with 072811, that decodes to July 28, 2011.

Why it matters

The build year helps us match the correct Craftsman parts and diagrams for your 917255930, especially for items that can change over a production run (fuel system parts, steering components, belts, and electrical switches).

Parts that commonly depend on the exact build configuration

Once you confirm the serial/date code, we can help you choose the right replacement parts for your tractor, such as:

• Fuel tank 532151346 if the tank is leaking or the outlet is damaged
• Lawn tractor ignition switch 532365402 if it will not crank or the key switch is intermittent
• Lawn tractor seat switch 532421062 if it dies when you hit bumps or will not stay running

Last updated: February 2026

On Craftsman riding tractor model 917255930, you’ll find the engine model information on the engine’s ID label or stamped numbers, usually on the blower housing (shroud) or near the valve cover. Use the engine’s model and type numbers when ordering engine-specific parts.

Where to look on the engine

Check these common spots first; wipe off dirt and oil so the characters are readable:

• Blower housing or engine shroud (decal or metal tag)
• Valve cover area or cylinder head (sometimes stamped)
• Flywheel screen or starter area (label nearby)
• Side of the engine block on a flat machined surface
• Under the hood along the engine compartment side panels (label may face inward)

What numbers to record

Most small engines use a few identifiers. Write them exactly as shown.

Identifier on engine	What it tells you	Why it matters
Model	Engine family	Determines major parts groups
Type or spec	Exact configuration	Ensures correct carburetor, starter, muffler, etc.
Code or serial	Build date/production run	Helps match revisions

Tips to read a hard-to-see label

• Clean the area with a rag and mild degreaser; avoid soaking electrical parts.
• Use a flashlight at an angle to make stamped characters stand out.
• Copy letters and numbers exactly; 0 and O, 1 and I are commonly confused.
• Compare what you find to the engine information shown in the 917255930 manual.

Why it matters

The tractor model number 917255930 helps match chassis parts (belts, switches, steering). The engine model and type/spec numbers are what you use to match the correct engine tune-up and internal engine parts.

Last updated: February 2026