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Swisher ZT250 50" z-series tractor Parts

Here are the diagrams and repair parts for Swisher ZT250 50" z-series tractor, as well as links to manuals and error code tables, if available.

Swisher ZT250 50" z-series tractor
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Browse Parts for ZT250 Riding Mowers & Tractors

  • 1/8" X 1" Cotter Pin for Swisher ZT250 - Part NB126

    1/8" X 1" Cotter Pin

    Part #NB126

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

  • Lawn & Garden Equipment Hex Jam Nut for Swisher ZT250 - Part NB122

    Frame diagram

    Lawn & Garden Equipment Hex Jam Nut

    Part #NB122

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

  • Wheel Spacer for Swisher ZT250 - Part 3825

    Wheels/transmission/transaxle diagram

    Wheel Spacer

    Part #3825

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

  • Lawn & Garden Equipment Bushing for Swisher ZT250 - Part NB177

    Steering diagram

    Lawn & Garden Equipment Bushing

    Part #NB177

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

  • Lawn Tractor Blade Idler Pulley Arm for Swisher ZT250 - Part 3770TK

    Mowing deck/deck idler diagram

    Lawn Tractor Blade Idler Pulley Arm

    Part #3770TK

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

  • 1/4 X 1/2 Ke for Swisher ZT250 - Part 4258

    Engine/fuel supply diagram

    1/4 X 1/2 Ke

    Part #4258

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

  • Nylon Lock Nut for Swisher ZT250 - Part NB688

    Steering diagram

    Nylon Lock Nut

    Part #NB688

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

  • Control Card for Swisher ZT250 - Part 3620TK

    Steering diagram

    Control Card

    Part #3620TK

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

  • Lawn Tractor Bolt for Swisher ZT250 - Part NB250

    Lawn Tractor Bolt

    Part #NB250

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

  • Lawn Tractor Blade Flat Idler Pulley for Swisher ZT250 - Part 7509

    Mowing deck/deck idler diagram

    Lawn Tractor Blade Flat Idler Pulley

    Part #7509

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

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.

How to replace the starter solenoid on a riding lawn mower

How to replace the starter solenoid on a riding lawn mower

Replace the starter solenoid if it doesn't click when you turn the ignition key.…

Repair time and Difficulty

 30 minutes or less
How to replace a riding lawn mower ignition coil

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

Repair time and Difficulty

 30 minutes or less
How to replace a riding lawn mower fuel filter

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.…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Jump-starting a riding lawn mower battery video

Jump-starting a riding lawn mower battery video

Learn how to connect cables safely to jump-start your mower’s battery.…

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