Companion
Front-Engine Lawn Tractor

Model # 917278120 Official Companion lawn tractor

Here are the diagrams and repair parts for Official Companion 917278120 lawn tractor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 169 parts  |

Muffler Gasket 165291
#13

Engine diagram

Muffler gasket

Part #165291

Replaced by #692236

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Manufacturer substitution
This part replaces 165291. Substitute parts can look different from the original.
BEST SELLER
$6.56
13% OFF Phone Price : $7.56
In Stock
Wizard Lawn Tractor Tire Valve Stem (replaces 20267, 24167, 24297, 24373, 3930j, 400162, 407229, 493215, 532065139, 5320651-39, 532124718, 55-21v, 56-21v, 65333, 74289, 76-21v, 77-21v, 78-21v, 795r) 65139
#2

Wheels and tires diagram

Wizard lawn tractor tire valve stem (replaces 20267, 24167, 24297, 24373, 3930j, 400162, 407229, 493215, 532065139, 5320651-39, 532124718, 55-21v, 56-21v, 65333, 74289, 76-21v, 77-21v, 78-21v, 795r)

Part #65139

BEST SELLER
$10.49
16% OFF Phone Price : $12.49
In Stock
Tower Lawn & Garden Equipment Shoulder Bolt (replaces 532132827) 132827
#19

Mower diagram

Tower lawn & garden equipment shoulder bolt (replaces 532132827)

Part #132827

This item is not returnable
$3.09
24% OFF Phone Price : $4.09
In Stock
Bushing 780197
#35A

Peerless pmst transaxle diagram

Bushing

Part #780197

Replaced by #780197

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Manufacturer substitution
This part replaces 780197. Substitute parts can look different from the original.
This item is not returnable
$4.59
18% OFF Phone Price : $5.59
In Stock
Spacer 786102
#18

Peerless pmst transaxle diagram

Spacer

Part #786102

Replaced by #786219

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Manufacturer substitution
This part replaces 786102. Substitute parts can look different from the original.
In Stock
Tower Lawn Tractor Screw (replaces 17060620x008, 17060620x052, 17060620x053, 17490620, 8170606-20) 17060620
#78

Engine diagram

Tower lawn tractor screw (replaces 17060620x008, 17060620x052, 17060620x053, 17490620, 8170606-20)

Part #17060620

Replaced by #817060620

?
Manufacturer substitution
This part replaces 17060620. Substitute parts can look different from the original.
This item is not returnable
In Stock
Mulcher Plug 165571
#33

Bagger diagram

Mulcher plug

Part #165571

In Stock
Stamped Chassis 174620
#1

Chassis and enclosures diagram

Stamped chassis

Part #174620

In Stock
Lawn Tractor Headlight Lens (replaces 182718) 174332X599
#29

Chassis and enclosures diagram

Lawn tractor headlight lens (replaces 182718)

Part #174332X599

$59.59
9% OFF Phone Price : $65.59
In Stock
Husqvarna Lawn Tractor Washer 19183812
#39

Steering assembly diagram

Husqvarna lawn tractor washer

Part #19183812

This item is not returnable
$4.19
19% OFF Phone Price : $5.19
In Stock

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

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

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

Main causes: faulty battery, bad alternator…

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

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

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

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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Repair difficulty
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How to replace a riding lawn mower rear tire

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Repair difficulty
Time required
 60 minutes or less

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