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Craftsman
Front-Engine Lawn Tractor

Model # 917270821 Official Craftsman 42" 19.5-hp electric start automatic lawn tractor

Here are the diagrams and repair parts for Official Craftsman 917270821 42" 19.5-hp electric start automatic lawn tractor, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 620 parts  |
Lawn Tractor Mulching Blade 134149
#11

Mower deck diagram

Lawn tractor mulching blade

Part #134149

Replaced by #532134149

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Manufacturer substitution
This part replaces 134149. Substitute parts can look different from the original.
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Hub Cap 104757X
#11

Wheels and tires diagram

Hub cap

Part #104757X

Replaced by #532104757

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Manufacturer substitution
This part replaces 104757X. Substitute parts can look different from the original.
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Wizard Lawn Tractor Mandrel Assembly (replaces 130794cs, 130794ms, 130794wa, 130797, 180074, 532130794, 5321307-94, 532183170, 539110158, 577203113) 130794

#NI

All parts diagram

Wizard lawn tractor mandrel assembly (replaces 130794cs, 130794ms, 130794wa, 130797, 180074, 532130794, 5321307-94, 532183170, 539110158, 577203113)

Part #130794

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Washer Head Thread Rolling Screw 157722
#30

Mower deck diagram

Washer head thread rolling screw

Part #157722

Replaced by #584953901

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Manufacturer substitution
This part replaces 157722. Substitute parts can look different from the original.
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Lawn Tractor Ground Drive Belt, 1/2 X 82-in 140294
#57

Ground drive diagram

Lawn tractor ground drive belt, 1/2 x 82-in

Part #140294

Replaced by #532140294

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Manufacturer substitution
This part replaces 140294. Substitute parts can look different from the original.
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Lawn Tractor Drive Belt 144200
#68

Mower deck diagram

Lawn tractor drive belt

Part #144200

Replaced by #532144200

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Manufacturer substitution
This part replaces 144200. Substitute parts can look different from the original.
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Shoulder Bolt 137644
#116

Mower deck diagram

Shoulder bolt

Part #137644

Replaced by #596434404

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This part replaces 137644. Substitute parts can look different from the original.
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Lawn Tractor Deflector Shield Hinge Rod 131491
#29

Mower deck diagram

Lawn tractor deflector shield hinge rod

Part #131491

Replaced by #595297001

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This part replaces 131491. Substitute parts can look different from the original.
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Axle Assembly 154427
#2

Steering assembly diagram

Axle assembly

Part #154427

Replaced by #531171101

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Manufacturer substitution
This part replaces 154427. Substitute parts can look different from the original.
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Lawn Tractor Deflector Shield 130968
#27

Mower deck diagram

Lawn tractor deflector shield

Part #130968

Replaced by #532130968

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Manufacturer substitution
This part replaces 130968. Substitute parts can look different from the original.
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Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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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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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 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 charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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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 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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