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Craftsman
Front-Engine Lawn Tractor

Model # 917273420 Official Craftsman lawn tractor

Here are the diagrams and repair parts for Official Craftsman 917273420 lawn tractor, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Showing 10 of 760 parts  |
Lawn Tractor V-belt 144959
#47

Mower deck diagram

Lawn tractor v-belt

Part #144959

Replaced by #532144959

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Manufacturer substitution
This part replaces 144959. 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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This part replaces 104757X. Substitute parts can look different from the original.
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Hex Flange Lock Nut 145212
#49

Lift assembly diagram

Hex flange lock nut

Part #145212

Replaced by #532409149

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This part replaces 145212. Substitute parts can look different from the original.
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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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Switch.pto.3 154963
#50

Electrical diagram

Switch.pto.3

Part #154963

Replaced by #582107601

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This part replaces 154963. 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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Washer 19121414
#119

Mower deck diagram

Washer

Part #19121414

Replaced by #596134901

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Lawn Tractor Drive Belt 139573
#48

Mower deck diagram

Lawn tractor drive belt

Part #139573

Replaced by #532139573

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Lawn Tractor Blade Idler Pulley 127783
#47

Ground drive diagram

Lawn tractor blade idler pulley

Part #127783

Replaced by #532139245

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Zinc Retainer Spring 163552
#20

Lift assembly diagram

Zinc retainer spring

Part #163552

Replaced by #532003146

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This part replaces 163552. Substitute parts can look different from the original.
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Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

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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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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 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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Why does my riding mower creep in neutral?

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

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Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

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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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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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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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How to replace a mandrel assembly on a riding lawn mower

How to replace a mandrel assembly on a riding lawn mower

Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…

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Repair difficulty
Time required
 30 minutes or less
How to replace the flywheel key on a riding lawn mower

How to replace the flywheel key on a riding lawn mower

If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…

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Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower ignition coil

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…

Read more
Repair difficulty
Time required
 30 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.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

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