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Craftsman 917257550 rocker arm & pivot lawn tractor

Craftsman 917257550 rocker arm & pivot lawn tractor Parts

Here are the diagrams and repair parts for Craftsman 917257550 rocker arm & pivot lawn tractor, as well as links to manuals and error code tables, if available.

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Browse Parts for 917257550 Riding Mowers & Tractors

  • Lens Assembly for Craftsman 917257550 - Part 124029X

    Chassis and enclosures diagram

    Lens Assembly

    Part #124029X

    The manufacturer no longer makes this part, and there's no substitute part

  • Extruded Gauge Wheel Bracket for Craftsman 917257550 - Part 143723

    42" mower deck diagram

    Extruded Gauge Wheel Bracket

    Part #143723

    The manufacturer no longer makes this part, and there's no substitute part

  • Seat for Craftsman 917257550 - Part 127438X

    Seat assembly diagram

    Seat

    Part #127438X

    The manufacturer no longer makes this part, and there's no substitute part

  • Lock Washer, 5/16-in, 8-pack for Craftsman 917257550 - Part STD551131

    Engine diagram

    Lock Washer, 5/16-in, 8-pack

    Part #STD551131

    The manufacturer no longer makes this part, and there's no substitute part

  • Case for Craftsman 917257550 - Part 129965

    Electrical diagram

    Case

    Part #129965

    The manufacturer no longer makes this part, and there's no substitute part

  • Keeper for Craftsman 917257550 - Part 129921

    Drive diagram

    Keeper

    Part #129921

    The manufacturer no longer makes this part, and there's no substitute part

Craftsman Rocker Arm & Pivot Lawn Tractor 917257550 FAQs

For Craftsman model 917257550, the fastest way to find the right replacement is to match your exact model number to the parts diagram, then confirm the part ID and description before ordering. This prevents fit issues on common items like blades, belts, and deck hardware.

Step-by-step: find the correct part for your mower

  • Locate the model number tag on the tractor frame (often under the seat or near the engine area).
  • Search using the full model number 917257550 (not just “Craftsman riding mower”).
  • Use the parts diagram to identify the assembly you are working on (mower deck, steering, drive, engine).
  • Click into the part listing and match by part name and part ID.
  • If you are replacing a wear item, compare your old part’s measurements (length, width, hole pattern) to avoid ordering the wrong version.

Common Craftsman 917257550 parts customers replace

These are frequent wear or damage items on front-engine lawn tractors:

What you are fixing Part type to check first Example part for this model
Poor cut quality or torn grass Blade Husqvarna lawn tractor mulching blade, 21-in 532134149
Tractor will not move or slips Ground drive belt V-belt 532138255
Deck vibration or loud rumble Mandrel/spindle parts Husqvarna lawn tractor mandrel assembly 532130794
Lost key or intermittent start Ignition key Molded ignition key 532140403

Before you order: quick checks that prevent returns

  • Confirm deck size and blade style (mulching vs standard lift).
  • Verify belt routing and belt length; ground drive belts and deck belts are different.
  • Check for bent pulleys or seized bearings that can destroy a new belt quickly.
  • Replace worn fasteners (lock nuts, clips) when you remove them.

Why it matters

Using the exact model number and matching the correct part ID keeps your Craftsman 917257550 running safely and helps you avoid repeat failures (for example, a new belt installed on a damaged pulley).

Last updated: February 2026

The model number for this Craftsman riding mower is 917257550. Use that exact number when ordering parts or looking up diagrams for your front-engine lawn tractor so you get the correct fit and compatible replacements.

Where to find the model number on the tractor

Most Craftsman riding mowers list the model number on an ID label. Check these common spots:

  • Under the seat (seat pan or frame rail)
  • On the rear fender pan near the seat
  • On the frame near the engine compartment
  • Near the steering column or dash area
  • On the mower deck housing (sometimes a separate deck tag)

Why the exact model number matters

Craftsman model numbers can look very similar, but parts like belts, blades, and deck components can vary by deck size and configuration. Using 917257550 helps us match the correct diagrams and parts list for your tractor.

Example parts that depend on the correct model match

Part type What it affects Example part for this model
Blade Cut quality and deck fit Husqvarna lawn tractor mulching blade, 21-in 532134149
Ground drive belt Tractor movement V-belt 532138255
Ignition key Starting and security Molded ignition key 532140403

Quick ordering tips we use

  • Match the full model number: 917257550
  • Compare the part ID on the listing to your old part when possible
  • If you are unsure, start with the deck and drive system diagrams since those are the most configuration-dependent

If you need help confirming you are reading the ID label correctly, use how to find your appliance model number (and what it means for parts).

Last updated: February 2026

Craftsman model 917257550 was built across a production run rather than in one single “model year”, so the exact build year is identified from the tractor’s product ID/serial number label (typically under the seat or on the rear fender pan). We use that label information to match the correct parts and diagrams.

How to find the build year on your tractor

Look for a sticker or metal tag that includes a serial number and sometimes a date code.

  • Park on a flat surface, set the parking brake, and remove the key
  • Lift the seat and check the underside of the seat pan area
  • Check the rear fender pan near the seat hinge area
  • Wipe dirt and grass off the label so every digit is readable
  • Write down the full model and serial exactly as shown

What the number tells us (and what it does not)

The model number 917257550 identifies the tractor family and configuration; the serial/date code identifies when your specific unit was built.

What you have What it’s used for Why it matters
Model number (917257550) Finds the correct parts lists and diagrams Prevents ordering the wrong deck, belt, or steering parts
Serial number/date code Identifies the build timeframe Helps confirm the correct version when parts changed mid-run

Why it matters for parts and repairs

Craftsman riding mowers often have mid-production changes (deck hardware, mandrel style, belt routing). Matching by serial helps you avoid repeat repairs and returns.

If you are servicing the mower while you locate the label, these model-matched parts are commonly replaced during deck and drive maintenance:

Last updated: February 2026

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Main causes: faulty battery, bad alternator…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

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How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

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 15 minutes or less

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