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Craftsman
Front-Engine Lawn Tractor

Model # 131802170 Official Craftsman 20" & 22" cast deck mulcher kits

Here are the diagrams and repair parts for Official Craftsman 131802170 20" & 22" cast deck mulcher kits, 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:

  • Click a diagram to see the parts shown on that diagram.
  • 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.

Model diagram and schematic

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Showing 10 of 11 parts  |
Retainer 75931
#4

Replacement parts diagram

Retainer

Part #75931

The manufacturer no longer makes this part, and there's no substitute part

Engine, Briggs & Stratton, Model #120k02 N/P
Engine, briggs & stratton, model #120k02

Part #N/P

The manufacturer no longer makes this part, and there's no substitute part

Flange 75917
#2

Replacement parts diagram

Flange

Part #75917

The manufacturer no longer makes this part, and there's no substitute part

Blade 75958
#6B

Replacement parts diagram

Blade

Part #75958

The manufacturer no longer makes this part, and there's no substitute part

Spring 75964
#5B

Replacement parts diagram

Spring

Part #75964

The manufacturer no longer makes this part, and there's no substitute part

Owner's Manual 75990

#NI

All parts diagram

Owner's manual

Part #75990

The manufacturer no longer makes this part, and there's no substitute part

Baffle 75814
#1A

Replacement parts diagram

Baffle

Part #75814

The manufacturer no longer makes this part, and there's no substitute part

Spring 75963
#5A

Replacement parts diagram

Spring

Part #75963

The manufacturer no longer makes this part, and there's no substitute part

Baffle 75815
#1B

Replacement parts diagram

Baffle

Part #75815

The manufacturer no longer makes this part, and there's no substitute part

Blade 75957
#6A

Replacement parts diagram

Blade

Part #75957

The manufacturer no longer makes this part, and there's no substitute part

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 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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How to replace the seat switch on a riding lawn mower

Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes....

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15 minutes or less
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How to replace a riding lawn mower spark plug

If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it....

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15 minutes or less
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How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one....

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Repair difficulty
Time required
60 minutes or less

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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

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

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