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Companion 917278120 lawn tractor Parts
Here are the diagrams and repair parts for Companion 917278120 lawn tractor, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for 917278120 Riding Mowers & Tractors
Wheels and tires diagram
Front Wheel Grease Fitting
Part #278HReplaced by #532000278
Manufacturer substitutionThis part replaces 278H. Substitute parts can look different from the original.In Stock$9.5010% OFF Phone Price : $10.50
Qty
Seat assembly diagram
Husqvarna Lawn Tractor Cable Clamp
Part #145006Replaced by #532145006
Manufacturer substitutionThis part replaces 145006. Substitute parts can look different from the original.This item is not returnableIn Stock$6.2814% OFF Phone Price : $7.28QtySteering assembly diagram
Husqvarna Lawn Tractor Spacer
Part #136518Replaced by #532136518
Manufacturer substitutionThis part replaces 136518. Substitute parts can look different from the original.In Stock$37.1714% OFF Phone Price : $43.17QtySeat assembly diagram
Lawn Tractor Seat Mounting Bracket
Part #121246XReplaced by #532174648
Manufacturer substitutionThis part replaces 121246X. Substitute parts can look different from the original.In Stock$32.81QtyMower diagram
Husqvarna Lawn Tractor Idler Arm Spacer
Part #165723Replaced by #532165723
Manufacturer substitutionThis part replaces 165723. Substitute parts can look different from the original.In Stock$12.9613% OFF Phone Price : $14.96QtyPeerless pmst transaxle diagram
Drive Pin
Part #786188Replaced by #786188
Manufacturer substitutionThis part replaces 786188. Substitute parts can look different from the original.In Stock$26.42QtyDecals diagram
Lawn Tractor Chassis Decal
Part #159736Replaced by #581579601
Manufacturer substitutionThis part replaces 159736. Substitute parts can look different from the original.This item is not returnableIn Stock$5.54QtyMower diagram
Carriage Bolt, 5/16-18 X 3/4-in
Part #72110506Replaced by #872110506
Manufacturer substitutionThis part replaces 72110506. Substitute parts can look different from the original.In Stock$27.04QtyDrive diagram
Shift Mount Bracket
Part #165589Replaced by #532437458
Manufacturer substitutionThis part replaces 165589. Substitute parts can look different from the original.In Stock$11.11QtyBagger diagram
Plug Support
Part #175401Replaced by #583576301
Manufacturer substitutionThis part replaces 175401. Substitute parts can look different from the original.This item is not returnableIn Stock$7.40Qty
Most common symptoms to help you fix your riding mowers & tractors
Choose a symptom to see related riding mower and lawn tractor repairs.
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …
Main causes: faulty battery, bad alternator…
Main causes: shift lever needs adjustment, neutral control needs adjustment…
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.
How to replace the starter solenoid on a riding lawn mower
Replace the starter solenoid if it doesn't click when you turn the ignition key.…
Repair time and Difficulty
30 minutes or less
How to replace a riding lawn mower ignition coil
If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…
Repair time and Difficulty
30 minutes or less
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 time and Difficulty
15 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.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn some of the most common symbols found in a wiring diagram and what they mean.…
Learn how to connect cables safely to jump-start your mower’s battery.…
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