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Companion 917278040 lawn tractor Parts
Here are the diagrams and repair parts for Companion 917278040 lawn tractor, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for 917278040 Riding Mowers & Tractors
Electrical diagram
Tower Lawn Tractor Bolt
Part #74760412Replaced by #874760412
Manufacturer substitutionThis part replaces 74760412. Substitute parts can look different from the original.This item is not returnableIn Stock$4.8817% OFF Phone Price : $5.88
Qty
Steering assembly diagram
Lawn Tractor Steering Shaft Boot
Part #145054X428Replaced by #532169633
Manufacturer substitutionThis part replaces 145054X428. Substitute parts can look different from the original.In Stock$12.97QtyMower diagram
Bolt
Part #72140506Replaced by #595901601
Manufacturer substitutionThis part replaces 72140506. Substitute parts can look different from the original.This item is not returnableIn Stock$3.2424% OFF Phone Price : $4.24QtySteering assembly diagram
Husqvarna Lawn Tractor Steering Sector Gear And Plate Assembly
In Stock$96.4325% OFF Was : $129.24Qty#NI06
All parts diagram
Bypass Decal
Part #166960Replaced by #581724801
Manufacturer substitutionThis part replaces 166960. Substitute parts can look different from the original.This item is not returnableIn Stock$5.54QtyMower diagram
Brake
Part #130840Replaced by #531165101
Manufacturer substitutionThis part replaces 130840. Substitute parts can look different from the original.In Stock$104.62QtyDrive diagram
Washer
Part #19211616Replaced by #596933401
Manufacturer substitutionThis part replaces 19211616. Substitute parts can look different from the original.This item is not returnableIn Stock$5.54QtyChassis and enclosures diagram
Pivot Bracket
Part #174714Replaced by #532407807
Manufacturer substitutionThis part replaces 174714. Substitute parts can look different from the original.This item is not returnableIn Stock$36.8014% OFF Phone Price : $42.80QtyDrive diagram
Lawn Tractor Belt Keeper Bracket
Part #154778Replaced by #531151001
Manufacturer substitutionThis part replaces 154778. Substitute parts can look different from the original.In Stock$41.82QtyDrive diagram
Lawn & Garden Equipment Lock Nut
Part #73680400Replaced by #586668901
Manufacturer substitutionThis part replaces 73680400. Substitute parts can look different from the original.This item is not returnableIn Stock$6.4713% OFF Phone Price : $7.47Qty
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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