Craftsman 917270815 42" 19.5-hp mower lawn tractor Parts

For your Craftsman riding mower model 917270815, the fastest way to find the right replacement parts is to use the exploded parts diagrams and parts lists in the 917270815 owner's manual. Match the diagram callout numbers to the parts list so you order the exact part that fits your 42-inch deck and drive system.

Step-by-step: how we recommend finding the correct part

• Confirm the model number on the tractor’s ID label matches 917270815.
• Open the parts diagrams in the manual and locate the assembly you’re working on (mower deck, steering, drive, etc.).
• Identify the callout number for the part in the diagram.
• Cross-reference that callout number in the repair parts list.
• Compare the part name and part ID to what you need before ordering.
• If you’re replacing a wear item, inspect related hardware (nuts, springs, clips) at the same time.

Common parts customers replace on model 917270815

These are examples of parts that often come up during routine maintenance and repairs:

Repair need	What to look up	Example part on this model page
Poor cut quality, clumping	Blade condition and correct blade type	Husqvarna lawn tractor mulching blade, 21-in 532134149
Tractor won’t move or slips	Ground drive belt routing and wear	V-belt 532138255
Deck vibration or noisy spindle	Mandrel/spindle wear and shaft play	Husqvarna lawn tractor mandrel assembly 532130794
Lost key or worn key	Correct ignition key style	Molded ignition key 532140403

Why it matters

Using the model-specific diagrams for Craftsman 917270815 prevents ordering the wrong belt length, blade style, or mandrel configuration. That saves time and helps ensure safe operation after the repair.

Quick safety and fit checks before you order

• Disconnect the spark plug wire before inspecting moving parts.
• Measure belt wear and check for glazing or cracking.
• Spin deck pulleys by hand (engine off) to feel for rough bearings.
• Verify fasteners are present and tight (for example, lock nuts on deck hardware).

Last updated: February 2026

To look up the model number for your Craftsman riding mower, find the model and serial tag on the tractor first. On Craftsman model 917270815, the tag is typically on the frame under the seat or on the underside of the seat; once you have the number, you can match parts and manual information accurately using the 917270815 owner's manual.

Where to find the model number tag

Check these common locations on a Craftsman front-engine lawn tractor:

• On the frame directly under the seat (lift the seat to look)
• On the underside of the seat pan
• 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 locate the tag, use the model number exactly as printed (including any dots or spaces on the label) to ensure correct parts lookup.

• Confirm the model reads 917270815 (for this tractor)
• Write down the serial number too; it helps with production variations
• Use the model number to identify the correct diagrams for the 42-inch deck, transaxle, and steering
• Match maintenance items like belts and blades to the correct deck configuration

Quick checklist: model number vs. part number

Item	What it identifies	Example on this tractor
Model number	The full tractor configuration	917270815
Part number / part ID	A specific replacement part	Husqvarna lawn tractor mulching blade, 21-in 532134149
Serial number	Production run details	Printed on the same tag

Why it matters

Craftsman tractors often share similar frames and decks across multiple models. Using the exact model number (like 917270815) prevents ordering the wrong blade, V-belt, mandrel assembly, or steering parts for your 42-inch 19.5-hp lawn tractor.

Last updated: February 2026

Craftsman riding mowers can use engines from several manufacturers; for the Craftsman 917270815 42-inch 19.5-hp lawn tractor, the owner documentation points to a Briggs & Stratton engine (often shown as “B&S” in labeling and decals). For your exact engine family and service specs, use the 917270815 owner's manual.

What you will typically see on Craftsman tractors

Craftsman has sourced lawn tractor engines from multiple brands over the years. The most common engine brands you will run into include:

• Briggs & Stratton (very common on many Craftsman lawn tractors)
• Kohler (common on some higher-output configurations)
• Kawasaki (less common on many Craftsman-branded tractors)
• Other OEM-supplied engines depending on model year and configuration

How to confirm the engine brand on your 917270815

Use these quick checks to verify what is on your tractor before ordering ignition, fuel, or tune-up parts:

• Look at the engine shroud or valve cover for a brand badge (Briggs & Stratton, Kohler, Kawasaki)
• Check the engine model and type numbers stamped on the blower housing or valve cover area
• Match the engine information to the identification section in the 917270815 owner's manual
• Compare decals and labels on the tractor; “B&S” references commonly indicate Briggs & Stratton

Why the engine brand matters (parts and maintenance)

Engine brand determines the correct maintenance parts and settings, such as spark plug type, air filter style, oil capacity, and carburetor or fuel system components. It also affects which troubleshooting steps apply for no-start, surging, or smoking.

What you are doing	Why engine brand matters	What to use to verify
Tune-up (spark plug, air filter, oil)	Parts and oil specs vary by engine maker	Engine model/type numbers + manual
No-start troubleshooting	Different ignition and fuel systems	Manual procedures + engine label
Ordering engine-related parts	Prevents wrong-fit parts	Engine ID tag and tractor model

Last updated: February 2026

Craftsman model 917270815 is a specific 42-inch, 19.5-hp front-engine lawn tractor model number; the exact production years are not listed in the parts diagrams shown in the 917270815 owner's manual. In practice, the most reliable way to pin down the year is to match the tractor’s product ID/date code on the model tag to the correct manual and parts list for 917270815.

How to identify the build year on your tractor

Use these checks to confirm the year without guessing:

• Locate the model and serial/product number tag (commonly under the seat, on the frame rail, or near the rear fender pan).
• Write down the full model number (917270815) and the serial/product number exactly as shown.
• Compare the tag information to the identification section in the 917270815 owner's manual.
• If decals are missing or repainted, rely on the tag, not the hood or fender labels.
• If you are ordering parts, match by model number plus the correct diagram callout to avoid wrong-fit parts.

Why the “year” can be hard to state from the model number alone

For Craftsman tractors, the model number identifies a configuration, but production can span multiple seasons with small running changes (hardware, decals, steering parts, deck components). The manual excerpted for 917270815 focuses on assemblies and part lists, not a manufacturing date range.

Quick parts cross-check (helps confirm you are on the right model)

If your tractor matches these common assemblies shown for 917270815, you are typically looking at the correct family of parts diagrams:

System	Example part listed for 917270815	What it helps confirm
Steering	Drag link and steering sector gear are called out in the steering diagram	Front axle and steering layout match
Wheels/tires	Front tire and rim sizes are listed in the wheels/tires section	Wheel setup matches
Chassis	Grille/lens assembly and drawbar appear in chassis/enclosures	Hood and frame style match

Related note for repairs and ordering

Once you confirm the tag information, you can confidently order common wear items for this tractor, such as the husqvarna lawn tractor ring clip 812000029 used in steering and linkage assemblies.

Why it matters

Getting the correct year (or correct product/serial range) prevents ordering the wrong belt, steering linkage, or deck hardware when Craftsman made mid-run updates.

Last updated: February 2026