How much does it cost to replace a riding lawn mower engine?
For a Craftsman riding lawn tractor like model 917258862, a complete engine replacement (engine plus labor) typically costs about $800 to $2,500 total. The final price depends on engine type, whether fuel or wiring updates are needed, and local shop labor rates.
What drives the total price
- Engine price: Most riding mower replacement engines run $500 to $1,800.
- Labor time: Many shops book 4 to 8 hours for an engine swap.
- Add-on parts: Fuel line, clamps, battery cables, belts, and mounting hardware often add cost.
- Electrical checks: PTO and ignition circuits may need testing after installation.
- Fastener condition: Rusted bolts and seized pulleys increase labor.
Typical cost breakdown
| Scenario | What it usually includes | Typical total cost |
|---|---|---|
| DIY swap | Engine plus basic supplies | $500 to $1,900 |
| Shop, straightforward | Engine + 4 to 6 labor hours | $900 to $2,200 |
| Shop, complex | Engine + 6 to 8 labor hours + extra repairs | $1,400 to $2,500 |
Parts commonly replaced during an engine job
If related systems are worn, these parts for model 917258862 are often addressed at the same time:
- Fuel delivery: husqvarna lawn tractor fuel tank 532151346
- Starting/run circuit: lawn tractor ignition switch 532140301
- Blade engagement: switch.pto.3 582107601
- Drive wear item: lawn tractor lawn mower secondary v-belt 532137153
Why it matters
An engine swap is one of the highest-cost repairs on a riding mower; diagnosing a no-start first can prevent replacing an engine when the real issue is fuel, ignition, or safety interlocks.
To compare repair versus replacement, use the parts list for model 917258862 first; for broader model searches, use Sears PartsDirect.
Last updated: February 2026
How to look up Craftsman model number?
For your Craftsman front-engine lawn tractor model 917258862, we look up the model number by finding the model and serial tag on the tractor, then using that exact model number to pull the correct parts list and diagrams. On most Craftsman riders, the tag is on the frame under the seat or on the underside of the seat.
Where to find the model number on a Craftsman riding mower
Check these common locations first:
- On the frame directly under the seat (lift the seat and look down at the frame rails)
- On the underside of the seat pan (flip the seat up and look underneath)
- Near the rear fender area close to the seat mounting points
- On a sticker or metal plate with both model and serial information
How to use the model number once you find it
After you confirm the model number is 917258862, use it to match parts by section (mower deck, steering, fuel system, electrical, drive).
- Match the full model number exactly (all digits)
- Use the parts diagrams to confirm the part name and placement
- Compare the part ID on the diagram to the part you order
- If you are replacing a wear item, inspect related hardware (nuts, clips, bearings) at the same time
Common examples of parts you might look up by model
| What you are fixing | Example part on this model | Why the model number matters |
|---|---|---|
| No crank or intermittent start | Lawn tractor ignition switch 532140301 | Wiring and connector style can vary by model |
| Blades will not engage | Switch.pto.3 582107601 | PTO switch versions differ by harness and mounting |
| Fuel leak or cracked tank | Husqvarna lawn tractor fuel tank 532151346 | Tank shape and outlet locations are model-specific |
Why it matters
Using the exact Craftsman model number prevents ordering the wrong belt, switch, steering part, or fuel component. Even tractors that look the same can use different part IDs depending on production run.
Ordering parts
Once you have the model number, you can order replacement parts from the parts list for model 917258862, or search by model on Sears PartsDirect.
Last updated: February 2026
What engine does Craftsman riding mower use?
For Craftsman model 917258862, the exact engine make and horsepower depend on the engine installed on your tractor (many units in this series use a single-cylinder gas engine). The most reliable way to identify it is by reading the engine ID label on the engine shroud and matching parts by model number on Sears PartsDirect.
How to identify the engine on model 917258862
Look for the engine identification label, then record the key fields exactly as shown.
- Check the top or side of the engine shroud (often near the recoil housing or valve cover)
- Write down the engine brand (commonly Briggs & Stratton, Kohler, or similar)
- Record the engine model, type, and code/spec numbers
- If the label is missing, look for a stamped number on the blower housing or valve cover area
- Use those numbers to confirm the correct tune-up and fuel system parts
What you can expect (typical for this tractor type)
Most front-engine Craftsman riding mowers in this class use:
- Single-cylinder, 4-cycle gasoline engine
- Electric start with a key switch
- A 12-volt battery/charging system
- A mechanical or electric PTO engagement system (varies by configuration)
Quick reference: where the info is found
| What you need | Where to find it | What it helps you buy/diagnose |
|---|---|---|
| Engine model/type/code | Engine shroud label | Air filter, spark plug, carb parts |
| Tractor model number (917258862) | Frame tag under seat or hood area | Correct chassis, deck, steering parts |
| Symptoms (clicks, no crank, no start) | What it does when you turn the key | Battery, solenoid, ignition, safety switches |
Why it matters
Engine families can look similar but use different ignition parts, carburetors, and filters. Confirming the engine ID prevents ordering the wrong maintenance parts and speeds up troubleshooting when the tractor will not crank or start.
Related parts and troubleshooting help
If you are diagnosing a no-crank or intermittent start issue, the starting and PTO circuits are common checkpoints on riding mowers.
- If the key does nothing or is intermittent, check the lawn tractor ignition switch 532140301
- If the engine cranks but the blades will not engage, check the switch.pto.3 582107601
- For step-by-step starting diagnostics, use riding lawn mower engine clicks but doesnt turn over video
Last updated: February 2026
Where can I find my lawn mower engine model number?
On your Craftsman riding lawn tractor model 917258862, the engine model number is typically stamped into the metal on the engine itself (not on the mower frame). Look on the top area of the cylinder or blower housing area; on many V-twin engines it’s stamped near the top of one cylinder and may be on the right or left side.
Where to look first (fast checks)
- With the hood open, inspect the top of each cylinder head for stamped numbers
- Check the blower housing/shroud near the recoil or flywheel cover area
- Look near the valve cover area on each side of a V-twin
- Wipe off dirt and oil; the stamp can be faint
- Use a flashlight and take a photo, then zoom in to read it
What the engine number looks like
Most riding mower engines use a stamped or printed ID that includes a model plus other identifiers.
| What you see | What it usually means | What to do with it |
|---|---|---|
| Model / Type | The engine family and configuration | Use it to match tune-up and engine parts |
| Code / Spec | Build specification | Helps confirm the exact variant |
| Serial | Unique engine identifier | Useful for exact lookups |
Why it matters
The mower model number (917258862) helps us match chassis and deck parts, but the engine model number is what you use to match engine-specific items like ignition parts, fuel system parts, and some belts or pulleys tied to the engine setup.
Related parts you may be looking up next
If you are troubleshooting a no-start or electrical issue after you find the engine ID, these model-matched parts are commonly involved:
- Lawn tractor ignition switch 532140301
- Switch.pto.3 582107601
- Husqvarna lawn tractor fuel tank 532151346
You can also search your full engine number and mower model on Sears PartsDirect to narrow to the exact diagrams and replacement parts.
Last updated: February 2026
