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Companion
Front-Engine Lawn Tractor

Model # 917278010 Official Companion lawn tractor

Here are the diagrams and repair parts for Official Companion 917278010 lawn 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 525 parts  |
Lawn Tractor Axle Cap 104757X428
#11

Wheels and tires diagram

Lawn tractor axle cap

Part #104757X428

Replaced by #532104757

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Manufacturer substitution
This part replaces 104757X428. Substitute parts can look different from the original.
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V-belt 160855
#57

Drive diagram

V-belt

Part #160855

Replaced by #532138255

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Manufacturer substitution
This part replaces 160855. Substitute parts can look different from the original.
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$32.30 | 
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Lock Nut 73900600
#120

Drive diagram

Lock nut

Part #73900600

Replaced by #532409149

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Manufacturer substitution
This part replaces 73900600. Substitute parts can look different from the original.
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Hex Flange Lock Nut 145212
Hex flange lock nut

Part #145212

Replaced by #532409149

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Manufacturer substitution
This part replaces 145212. Substitute parts can look different from the original.
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Tower Lawn Tractor Ignition Switch (replaces 163968, 189687, 5321755-66, 5321896-87, 539107541) 175566
#30

Electrical diagram

Tower lawn tractor ignition switch (replaces 163968, 189687, 5321755-66, 5321896-87, 539107541)

Part #175566

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Tire 106222X
#3

Wheels and tires diagram

Tire

Part #106222X

Replaced by #532122073

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This part replaces 106222X. Substitute parts can look different from the original.
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Axle Assembly 175131
#2

Steering assembly diagram

Axle assembly

Part #175131

Replaced by #531171101

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Manufacturer substitution
This part replaces 175131. Substitute parts can look different from the original.
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Flanged Toplock Nut 178342
#33

Mower diagram

Flanged toplock nut

Part #178342

Replaced by #596134801

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This part replaces 178342. Substitute parts can look different from the original.
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Lawn Tractor Bearing 3366R
#9

Steering assembly diagram

Lawn tractor bearing

Part #3366R

Replaced by #532003366

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This part replaces 3366R. Substitute parts can look different from the original.
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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.
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