Swisher
Rear-Engine Riding Mower

Model #ZT18542 Swisher zero-turn riding lawn mower

Here are the diagrams and repair parts for Swisher ZT18542 zero-turn riding lawn mower, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

    Showing 10 of 247 parts

    Lawn Tractor Blade Drive Belt

    #NI21

    All parts Diagram

    Lawn tractor blade drive belt

    Part #3752

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

    Bracket#12

    Mowing deck/deck idler Diagram

    Bracket

    Part #4018TK

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

    Blade Spacer#17

    Blade driver Diagram

    Blade spacer

    Part #9024

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

    Lawn & Garden Equipment Keps Nut#25

    Deck lift/height adj. indicator Diagram

    Lawn & garden equipment keps nut

    Part #NB201

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

    SEAT 15" BACK NO ARM REST (36" MOWER ONLY)#1

    Seat base/control cover Diagram

    Seat 15" back no arm rest (36" mower only)

    Part #3790

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

    SWISHER Z 22.0/50" DECAL-RIGHT#22

    Decals Diagram

    Swisher z 22.0/50" decal-right

    Part #OD121

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

    Lawn Tractor Blade Engagement Switch#17

    Seat base/control cover Diagram

    Lawn tractor blade engagement switch

    Part #3605

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

    Battery Cable

    #NI05

    All parts Diagram

    Battery cable

    Part #BCSR

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

    Gas Tank Plate#14

    Engine/fuel supply Diagram

    Gas tank plate

    Part #AS100

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

    Lawn Tractor Electric Clutch#7A

    Engine/fuel supply Diagram

    Lawn tractor electric clutch

    Part #3813

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

    Symptoms common to all riding mowers & tractors

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

    Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim
    Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
    Main causes: shift lever needs adjustment, neutral control needs adjustment
    Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged mandrel pulleys
    Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
    Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
    Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a tune up
    Main causes: faulty battery, bad alternator
    Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up

    Repair guides common to all riding mowers & tractors

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

    January 1, 2015
    By Lyle Weischwill
    How to replace a riding lawn mower rear tire

    Your mower can’t run on a damaged rear tire. Here’s how to install a new one.

    Repair difficulty
    Time required
     60 minutes or less
    January 1, 2015
    By Lyle Weischwill
    How to replace a riding lawn mower blade

    If a blade on your mower is dull or bent, replace it following the steps in this repair guide.

    Repair difficulty
    Time required
     30 minutes or less
    January 1, 2015
    By Lyle Weischwill
    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 difficulty
    Time required
     15 minutes or less

    Articles and videos common to all 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.

    August 6, 2020

    How to remove a lawn mower blade using a removal tool

    By Sears PartsDirect staff

    Learn how a blade removal tool makes replacing the blade easier and safer

    April 9, 2019

    Riding mower parts and supplies to stock up on video

    By Sears PartsDirect staff

    Keep these 6 things on hand to keep the mower season running smoothly.

    January 1, 1970

    How to tell if a fuse is blown

    By Lyle Weischwill

    Learn how to tell whether a fuse is blown