Craftsman 502255040 tractor Parts

For a Craftsman riding lawn tractor like model 502255040, a complete engine replacement typically runs $260 to $1,800 installed, depending on the engine type, whether you reuse the wiring and fuel system, and local labor rates; labor time is commonly around 6 hours for a riding mower.

What drives the total price?

• Engine cost (new, rebuilt, or used) is the biggest variable.
• Labor rate and shop minimums vary by region.
• Extra parts often get replaced during the swap (fuel, ignition, or carburetor items).
• Electrical starting issues can add diagnosis time (battery cables, solenoid, switch).
• Deck and drive removal complexity affects labor time.

Common add-on parts to budget for

Even when the engine is the main issue, we often see these items replaced or serviced at the same time:

• Ignition switch 532365402 if the key switch is intermittent
• Solenoid 7701100MA if the starter circuit only clicks
• Carburetor 632690 if old fuel contamination caused repeated no-start problems
• Fuel line, fuel filter, air filter, spark plug, and fresh oil

Quick cost snapshot

Cost item	Typical range	Notes
Engine (part only)	$200 to $1,500+	Varies by horsepower and crankshaft specs
Labor	$300 to $900	Often based on ~6 hours plus shop rate
Extra parts/fluids	$25 to $250	Tune-up parts, filters, oil, small hardware

Why it matters

If the tractor won’t crank or only clicks, the engine may be fine and the fix may be in the starting circuit. Checking the battery, cables, and starter controls first can prevent paying for an engine you do not need.

Helpful DIY guidance

Use our video guide riding lawn mower engine clicks but doesnt turn over video to narrow down whether the problem is the battery, solenoid, starter, or a seized engine.

Last updated: February 2026

For a Craftsman front-engine lawn tractor like model 502255040, you can look up the model number by finding the model and serial tag on the tractor itself, then using that exact number to match parts and diagrams. The tag is most often under the seat area on the frame.

Where to find the model and serial number tag

Check these common locations on Craftsman riding mowers and tractors:

• On the frame under the seat (lift the seat and look down at the frame rails)
• On the underside of the seat pan
• Near the rear fender or seat bracket area
• On the frame near the engine (less common)

How to use the number once you find it

Use the model number exactly as printed (including any dashes or extra digits) to ensure you get the right parts for your tractor.

• Enter the model number in the model search field when shopping for parts
• Match the model number to the correct parts diagrams for your mower deck, engine, and chassis
• Use the serial number to confirm production range when there are multiple versions

Quick checklist for an accurate lookup

What you see on the tag	What to do	Why it helps
Model number (example: 502255040)	Use it to find the correct model page	Ensures diagrams match your tractor
Serial number	Keep it for reference	Helps confirm the correct variation
Engine model (if listed separately)	Use it for engine-specific parts	Carburetor and ignition parts often key off engine ID

Why it matters

Craftsman tractors often have multiple configurations that look similar. Using the exact model number prevents ordering the wrong ignition, starter, carburetor, or deck parts.

If you are troubleshooting a no-start while you are identifying the model, our video guide riding lawn mower engine wont turn over or click video can help you narrow down whether the issue is battery, solenoid, starter, or safety interlock.

Last updated: February 2026

For the Craftsman 502255040 front-engine lawn tractor, we use SAE 5W-30 4-cycle engine oil for most conditions; it provides reliable lubrication during starts and helps protect the engine as it warms up. For exact capacity and service intervals, match the oil to your engine type and climate.

Quick oil selection guide

• Use 4-cycle (4-stroke) engine oil (not 2-cycle mix).
• SAE 5W-30 is the best all-around choice for many temperatures.
• In consistently hot weather, many lawn tractor engines also run well on SAE 10W-30.
• If the tractor is stored in cold conditions, 5W-30 helps with easier starting.
• Change oil more often when mowing in dust, high heat, or heavy loads.

What to check before you buy oil

Even within the Craftsman 502255040 model family, the engine brand and spec can vary. Confirm these items on the engine label:

• Engine manufacturer (commonly Briggs and Stratton, Kohler, or Tecumseh)
• Oil fill location and dipstick style
• Recommended viscosity range for your temperature
• Oil capacity (fill to the dipstick mark, not by guess)

Typical viscosity by temperature

Outdoor temperature	Common oil choice	Why it works
Below 40°F	SAE 5W-30	Better cold-flow for starting
40°F to 90°F	SAE 5W-30	Strong all-season protection
Above 90°F	SAE 10W-30	Holds viscosity better in heat

Why it matters

Using the right viscosity helps prevent hard starting, reduces wear on the crankshaft and valve train, and keeps oil pressure more stable when the engine is hot.

Related DIY help

If the tractor struggles to crank after sitting, follow the steps in jump starting a riding lawn mower battery video.

Last updated: February 2026

For the Craftsman front-engine lawn tractor model 502255040, the model number you’ll use to look up parts and diagrams is 502255040. If you’re trying to cross-reference a retail listing number (often formatted like 13AN77XSA93), match by the ID tag on the tractor to avoid ordering the wrong parts.

Where to find the correct model number on the tractor

Look for the product identification tag, then copy the model number exactly as printed.

• Under the seat pan or seat bracket area
• On the frame rail near the engine
• Near the rear fender or hitch plate
• Sometimes under the hood near the dash tower

Model number vs. other numbers you may see

Many riding mowers have multiple identifiers. Here’s how they typically differ.

Number type	What it’s used for	Example format
Sears PartsDirect model number	Parts lookup, diagrams, compatibility	502255040
Retail or manufacturer “product number”	Store listing, platform family	13AN77XSA93
Engine model/type code	Engine-specific parts (carb, starter, etc.)	Varies by engine

Why it matters

Using 502255040 ensures you land on the correct Craftsman parts breakdown for your 42-inch riding mower, which prevents common fit issues with electrical parts, carburetor components, and steering or deck hardware.

Helpful next step if you’re confirming fitment

If you’re troubleshooting a no-start or intermittent power issue while verifying the model, these parts are commonly checked on this tractor:

• Ignition switch 532365402 (key switch and electrical start circuit)
• Solenoid 7701100MA (starter relay that clicks when you turn the key)
• Starter 36680 (cranks the engine when power and ground are good)

Last updated: February 2026

Craftsman model 502255040 is a front-engine lawn tractor that was commonly built with a single-cylinder gasoline engine in the 18 HP class. Because engine swaps and mid-run changes are common on older Craftsman tractors, the sure way to identify the exact motor is to match the engine’s model-type-code tag.

What engine details to look for on your tractor

Find the engine ID tag or stamping on the engine (not the tractor frame) and record it exactly.

• Engine manufacturer (often Briggs & Stratton or Kohler)
• Model number
• Type or spec number
• Code or date code
• Any “family” or displacement marking (cc)

Where the engine ID tag is usually located

On most riding mower engines, you will find the tag in one of these spots:

• Blower housing/top shroud
• Valve cover area (common on V-twins)
• Side of the engine block near the air filter
• Near the starter/flywheel shroud
• Metal tag riveted to the shroud

Why the engine tag matters (especially on this model)

Many Craftsman tractors in this series have had engines replaced over the years, and even original builds can vary by production run. The engine tag is what lets us match the correct carburetor, starter, ignition, and charging parts to the motor that is actually installed.

Common “motor-related” parts on this tractor

If you are diagnosing a no-crank or hard-start issue after you identify the engine, these parts are frequent causes:

• Ignition switch 532365402 (no crank, intermittent power)
• Solenoid 7701100MA (single click, no starter engagement)
• Starter 36680 (slow crank, grinding, or no rotation)

Symptom guide

Symptom	Most common checks	Parts often involved
Clicks but won’t crank	Battery, cables, solenoid	Solenoid, starter
Cranks but won’t start	Fuel, spark, choke	Carburetor/fuel system
Starts then dies	Fuel flow, carb bowl, debris	Carburetor components

For step-by-step diagnosis when you hear a click but the engine will not turn, use riding lawn mower engine clicks but doesnt turn over video.

Last updated: February 2026

Craftsman model 502255040 is a model number used for a front-engine lawn tractor, but the exact build year is identified by the tractor’s product ID/serial label, not by the model number alone. On most Craftsman riding mowers, that label is under the seat or on the rear fender pan.

How to find the build year on a Craftsman 502255040

Check these common label locations on your tractor:

• Under the seat (lift the seat and look on the frame or seat pan)
• Rear fender pan near the seat base
• Left or right frame rail near the engine
• Under the hood near the dash tower
• Near the transaxle area on the frame

Once you find the label, record:

• Model number (502255040)
• Serial number
• Any date code (sometimes shown as a month/year or a stamped code)

What to do with the serial number (quick options)

Use the serial number to narrow the production year in one of these ways:

• Compare the serial/date code format to other Craftsman tractor tags you own
• Match the tractor’s engine model and type (on the engine shroud) to the engine manufacturer’s date code
• Use parts cross-reference clues when ordering common electrical and fuel parts such as the ignition switch 532365402 or solenoid 7701100MA

Typical production range (helpful context)

Many Craftsman front-engine lawn tractors in this family were sold broadly from the late 1990s through the mid-2000s. Your tractor’s serial/date label is what pins it to a specific year.

What you have	What it tells you	Best next step
Model number only (502255040)	Identifies the tractor family/configuration	Find the serial/date label
Serial number/date code	Identifies the build timeframe	Use it to determine the year
Engine model/type code	Often includes a date code	Decode engine date

Why it matters

The exact year affects parts fitment for ignition, starter, carburetor, and deck components. Confirming the build year helps us match the correct Craftsman parts the first time and avoid returns.

Last updated: February 2026