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Husqvarna
Front-Engine Lawn Tractor

Model # YTH2454T Official Husqvarna tractor

Here are the diagrams and repair parts for Official Husqvarna YTH2454T tractor, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Model diagram and schematic

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Showing 10 of 430 parts  |
Lawn Tractor Ignition Switch (replaces 193350) 532193350
#30

Electrical diagram

Lawn tractor ignition switch (replaces 193350)

Part #532193350

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Pto Switch 532174651
#50

Electrical diagram

Pto switch

Part #532174651

Replaced by #582107601

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Manufacturer substitution
This part replaces 532174651. Substitute parts can look different from the original.
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Lawn Tractor Ground Drive Belt, 1/2 X 84-1/2-in (replaces 140218) 532140218
#56

Drive diagram

Lawn tractor ground drive belt, 1/2 x 84-1/2-in (replaces 140218)

Part #532140218

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Lawn Tractor Lock Washer 810040600
#14

Steering assembly diagram

Lawn tractor lock washer

Part #810040600

Replaced by #596238701

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Manufacturer substitution
This part replaces 810040600. Substitute parts can look different from the original.
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Idler.flat.910.offset 532194327
#50

Drive diagram

Idler.flat.910.offset

Part #532194327

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Lawn Tractor Crown Lock Nut, 3/8-in 873540600
#15

Steering assembly diagram

Lawn tractor crown lock nut, 3/8-in

Part #873540600

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Rim 8" 532138337
#11

Wheels and tires diagram

Rim 8"

Part #532138337

Replaced by #532106108

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This part replaces 532138337. Substitute parts can look different from the original.
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Bolt 872140505
#17

Mower deck diagram

Bolt

Part #872140505

Replaced by #596136401

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Lawn Tractor Fuse, 20-amp (replaces Std391020) 532175158
#26

Electrical diagram

Lawn tractor fuse, 20-amp (replaces std391020)

Part #532175158

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Lawn Tractor Choke Control (replaces 187767x421, 187767x428) 532191596
#22

Engine diagram

Lawn tractor choke control (replaces 187767x421, 187767x428)

Part #532191596

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

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

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How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

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Why is the steering loose on my riding mower?

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

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Why won't my riding mower cut grass?

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

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How do I fix a flat tire on my riding mower?

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

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Why is my riding mower leaking oil or gas?

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

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Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

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Why does my riding mower creep in neutral?

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

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Why won't my riding mower move?

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

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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 the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

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Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower rear tire

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.…

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Repair difficulty
Time required
 60 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.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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.…

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Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

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