Craftsman 917271731 tractor Parts

For Craftsman lawn tractor model 917271731, the tractor is equipped with a 17.5 HP engine (electric start) as shown in the specifications section of the 917271731 owner's manual.

The manual confirms horsepower, but the quickest way to identify the exact engine make and model (Briggs & Stratton, Kohler, etc.) is to read the engine ID information on the engine itself.

• Look for the engine ID label on the blower housing, valve cover, or near the starter
• Record the model, type, and code (or serial) from the label
• Match that information when ordering engine parts (filters, spark plug, carburetor parts)
• If the label is missing, check for stamped numbers on the shroud or tag bracket
• Keep the engine ID with your tractor model number for future maintenance

The owner’s manual for this Craftsman front-engine lawn tractor lists these key engine-related specs.

Engine identification prevents wrong-part orders and speeds up tune-ups. Many riding mowers share similar frames and decks, but engine families can use different air filters, fuel filters, spark plugs, and carburetor linkages even when horsepower is the same.

Last updated: January 2026

Craftsman engines are made by several manufacturers depending on the specific mower or tractor model. For the Craftsman riding tractor model 917271731, the owner’s documentation identifies it as a 17.5 HP tractor with a low-emission engine; the engine’s brand is typically confirmed by the engine ID label and the parts list in the 917271731 owner’s manual.

Use these quick checks on your tractor before ordering engine parts:

• Look for the engine ID label on the blower housing, valve cover, or near the starter (it lists the engine maker and model).
• Check the horsepower rating and any emissions label wording (often tied to the engine manufacturer).
• Match the engine model/type code to the engine maker’s format (common formats differ by brand).
• Use the tractor’s parts diagrams and maintenance section to confirm the correct engine family.
• If the label is missing, compare the carburetor, air filter housing, and muffler layout to the manual’s illustrations.

Craftsman has historically used multiple engine suppliers across different product years and series. The most common manufacturers include:

Engine parts (air filter, spark plug, carburetor parts, starter, fuel system components) are matched to the engine model, not just the Craftsman tractor model number. Confirming the engine maker prevents wrong-part returns and helps troubleshooting go faster.

Last updated: January 2026

The Craftsman tractor model 917271731 is typically from the mid-2000s (about 2004 to 2006). For the most accurate confirmation, match your tractor’s product ID tag and any date codes to the identification details shown in the 917271731 owner's manual.

We recommend using the tractor’s ID information (not just the model number) because the same model can be produced across multiple seasons.

• Locate the product ID tag (commonly under the seat, on the frame rail, or near the engine compartment)
• Write down the model number (917271731) and the serial number
• Look for a date code on the tag or on major components (engine, transaxle)
• Compare the decal set and chassis configuration to the illustrated parts lists in the manual
• If the engine has its own model and code label, use that code to narrow the engine’s production date

The documentation we have for this tractor clearly identifies the model and its assemblies, which helps you match your machine to the correct parts diagrams.

Knowing the correct production window helps you avoid ordering the wrong parts when Craftsman made running changes (belt routing, deck hardware, steering parts, decals) within a model family.

If you are matching mower deck parts, the mower deck section in the manual is also a quick way to confirm you have the same deck configuration before ordering items like the husqvarna lawn tractor mulching blade, 21-in 532134149.

Last updated: January 2026

Replacing the engine on a Craftsman front-engine lawn tractor like model 917271731 typically costs $260 to $1,800 installed. The total depends on whether you buy a new or remanufactured engine, how much labor is needed, and whether related drive and electrical parts must be transferred or replaced; use the 917271731 owner's manual to match engine mounting and controls.

• Engine price: horsepower class, crankshaft size, and whether it includes muffler, starter, and charging system
• Labor time: riding tractors take longer than walk-behind mowers because of wiring, fuel lines, and belt/pulley transfers
• Parts you may reuse or replace: pulleys, key switch, wiring connectors, throttle/choke cables
• Deck and drive condition: worn belts, idlers, or mandrels add time and parts cost
• Shop rate and turnaround: local labor rates and seasonal demand

These are the fit items that prevent expensive returns and rework.

• Crankshaft diameter, length, and keyway (must match your pulley)
• Engine mounting bolt pattern and base style
• Electrical leads: starter cable, charging lead, kill wire
• Throttle and choke linkage compatibility
• Muffler/exhaust clearance and heat shielding

An engine swap only pays off when the rest of the tractor is solid. If the mower deck has vibration or belt slip, plan to service deck-drive parts at the same time, such as the v-belt 532138255, so the new engine can deliver full power to the blades.

Last updated: January 2026