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Husqvarna
Rear-Engine Riding Mower

Model # 917277840 Official Husqvarna riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna 917277840 riding lawn mower, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 262 parts  |
Husqvarna Lawn Tractor 42-inch Deck Mulching Blade (replaces 594892701) 532134149
#22

42" deck diagram

Husqvarna lawn tractor 42-inch deck mulching blade (replaces 594892701)

Part #532134149

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Washer Screw 539107630
Washer screw

Part #539107630

Replaced by #584953901

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Manufacturer substitution
This part replaces 539107630. Substitute parts can look different from the original.
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$5.31 | 
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Shoulder Bolt 532137644
Shoulder bolt

Part #532137644

Replaced by #596434404

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Manufacturer substitution
This part replaces 532137644. Substitute parts can look different from the original.
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Hinge Rod 532131491
Hinge rod

Part #532131491

Replaced by #595297001

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Manufacturer substitution
This part replaces 532131491. Substitute parts can look different from the original.
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$7.05 | 
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Lawn & Garden Equipment Flat Washer 539990692
Lawn & garden equipment flat washer

Part #539990692

Replaced by #596134901

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Manufacturer substitution
This part replaces 539990692. Substitute parts can look different from the original.
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$3.98 | 
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Lawn Tractor 48-in Deck High-lift Blade (replaces 180054) 532180054
#6

48" deck diagram

Lawn tractor 48-in deck high-lift blade (replaces 180054)

Part #532180054

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Lawn Tractor Washer 539990122
Lawn tractor washer

Part #539990122

Replaced by #596565301

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Manufacturer substitution
This part replaces 539990122. Substitute parts can look different from the original.
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$5.11
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Lawn Tractor Nut 539976978
Lawn tractor nut

Part #539976978

Replaced by #582478602

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Manufacturer substitution
This part replaces 539976978. Substitute parts can look different from the original.
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Lawn Tractor Mandrel Pulley (replaces 153535, 153535ms, 153535wa, 153535x431, 177865, 532173436, 5321734-36, 539112171, 577203105) 173436
#23

54" deck diagram

Lawn tractor mandrel pulley (replaces 153535, 153535ms, 153535wa, 153535x431, 177865, 532173436, 5321734-36, 539112171, 577203105)

Part #173436

Replaced by #532173436

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Manufacturer substitution
This part replaces 173436. Substitute parts can look different from the original.
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$23.71
In Stock
Craftsman Lawn Tractor Seat Spring 539110300
#29

Main frame-54" deck diagram

Craftsman lawn tractor seat spring

Part #539110300

Replaced by #587613301

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Manufacturer substitution
This part replaces 539110300. Substitute parts can look different from the original.
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$7.98 | 
11% OFF Phone Price : $8.98
In Stock

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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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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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