Craftsman 917271743 tractor Parts

For a Craftsman riding lawn tractor like model 917271743, a full engine replacement typically costs $260 to $1,800 installed, depending on the engine, labor rates, and whether related items (belts, pulleys, wiring) also need service. Plan on roughly 6 labor hours for a riding mower engine swap.

What drives the total cost

• Engine type and horsepower (exact replacement vs. repower option)
• Labor rate at the shop and local market pricing
• Extra parts needed during the swap (belts, hardware, electrical parts)
• Condition of the tractor (rusted fasteners, damaged mounts, worn pulleys)
• Fuel system cleanup if old fuel or debris contributed to the failure

Typical cost breakdown (installed)

Cost item	Typical range	Notes
Engine (part)	$200 to $1,400	Biggest variable; depends on exact spec match
Labor	$200 to $600	Often around 6 hours total
Misc. parts and shop supplies	$20 to $200	Belts, nuts, wiring repairs, fluids

Before you replace the engine, check these common “no-start” causes

Many “dead engine” symptoms are actually starting or safety-interlock issues. Your manual notes the engine should only start with the brake fully depressed and the attachment clutch disengaged, and the engine should shut off if the operator leaves the seat under certain conditions. Use the owner's manual to confirm the correct start and interlock behavior.

• Battery condition and cable connections
• Blown fuse or loose/damaged wiring
• Starter solenoid operation (a click with no crank is common)
• Safety interlock switches (seat switch, brake switch, PTO/attachment clutch switch)
• Fuel quality and basic tune-up items

If you’re hearing clicking or getting cranking with no start, follow the steps in riding lawn mower engine clicks but doesnt turn over video and riding lawn mower engine spins but wont start video.

Why it matters

Replacing an engine is one of the highest-cost repairs on a riding mower. Verifying the battery, solenoid, wiring, and safety interlocks first can prevent an unnecessary engine purchase and get your 917271743 back to mowing faster.

Last updated: February 2026

The Craftsman riding mower model 917271743 uses a 17.5 HP, low-emissions engine (as specified in the model’s documentation). For the exact engine make/model and service details (oil type, tune-up specs, and adjustments), use the 917271743 owner's manual.

How to identify the exact engine on your tractor

Even within the same tractor model, the engine’s brand and full model code are confirmed by the engine ID label (not the tractor model number). We recommend checking:

• The engine shroud or valve cover label for the engine model/type/code
• The tractor frame tag for the Craftsman model 917271743
• The 917271743 owner's manual for maintenance intervals and operating specs
• Your parts diagrams when ordering engine-related items (filters, belts, ignition parts)

What we can confirm for model 917271743

Based on the owner’s manual for this specific model, these core specs are called out:

Item	What you’ll see for 917271743
Engine output	17.5 HP
Starting system	Electric start
Mower deck size	42-inch
Engine design note	Low-emissions engine (operates differently than older designs)

Why it matters

Using the correct engine identification prevents ordering the wrong tune-up parts and helps you follow the right maintenance schedule. It also matters for troubleshooting starting issues, because the correct wiring, solenoid, and safety interlock setup depends on the exact engine configuration.

Related parts and troubleshooting tips

If you are diagnosing a no-start or click-no-crank issue, these model-matched items are commonly involved:

• Ignition key: molded ignition key 532140403
• Starter circuit switching: solenoid with brass plunger 532146154
• For step-by-step help: riding lawn mower engine clicks but doesnt turn over video

Last updated: February 2026

Yes, replacing the engine on your Craftsman 917271743 lawn tractor is worth it when the tractor’s deck, chassis, steering, and drive system are still solid and you want more years of reliable mowing. If multiple major systems are worn out, putting that money toward a replacement tractor is the better value.

Quick decision checklist

• The mower deck is straight (no cracks, severe rust-through, or major impact damage)
• The tractor still drives normally (no slipping, loss of drive, or chronic belt issues)
• Steering and brakes feel safe and controllable
• You can still get the maintenance and wear parts you need
• The engine failure is isolated (not caused by repeated overheating, debris buildup, or neglected maintenance)

Cost and effort: what to compare

Use this simple comparison to decide where your money goes.

Option	Best when	Typical downside
Replace engine	Deck and drivetrain are in good shape; you want to keep this tractor	Higher up-front cost; time for swap and setup
Repair existing engine	Problem is minor (starter circuit, fuel delivery, tune-up items)	May not solve internal wear or low compression
Replace tractor	Deck/chassis/drivetrain are also worn; you want a fresh start	Higher total cost; setup and learning a new machine

Before you commit: rule out common “engine is bad” causes

Many no-start or no-crank complaints are electrical or fuel related, not a failed engine.

• Check safety interlocks and wiring connections
• Verify battery condition and cable connections
• Inspect the starter solenoid and key switch circuit
• Confirm fuel flow; replace the in-line fuel filter once each season
• Do basic tune-up items (spark plug each season or every 100 hours, whichever comes first)

For model-specific maintenance intervals and safety guidance (including avoiding adjustments with the engine running), use the owner's manual.

Why it matters

An engine swap can extend the life of a good tractor, but it does not fix worn deck components, loose mandrels, or drive issues. If your cut quality is poor or the deck vibrates, you may also be looking at blade and mandrel service, not just engine work.

Last updated: February 2026