Gas Walk-Behind Mower

Model # CMXGMAM201207 (2020) Official Craftsman m320 lawn mower

Here are the diagrams and repair parts for Official Craftsman CMXGMAM201207 (2020) m320 lawn mower, as well as links to manuals and error code tables, if available.

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CMXGMAM201207 (2020) Walk-Behind Mowers
Craftsman Troybilt Lawn Mower 21-in Deck Mulching Blade (replaces 01002810, 742-0741a, 942-04276, 942-0741) 942-0741A
Craftsman troybilt lawn mower 21-in deck mulching blade (replaces 01002810, 742-0741a, 942-04276, 942-0741)

Part #942-0741A

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$28.54
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Air Filter BS-593260
#NI

Quick reference diagram

Air filter

Part #BS-593260

Replaced by #593260

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Manufacturer substitution
This part replaces BS-593260. Substitute parts can look different from the original.
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$18.59
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Mtd Lawn Mower Blade Support (replaces 936-0524a, 736-0524b) 736-0524B-1
#NI

Axles/height adjustment/blade diagram

Mtd lawn mower blade support (replaces 936-0524a, 736-0524b)

Part #736-0524B-1

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$6.78
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Mtd Lawn And Garden Equipment Nut 712-04064
#NI

Handle/label map diagram

Mtd lawn and garden equipment nut

Part #712-04064

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$4.49
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Mtd Lawn & Garden Equipment Hex Bolt, 3/8-24 X 1-1/2-in (replaces 910-1044) 710-1044
Mtd lawn & garden equipment hex bolt, 3/8-24 x 1-1/2-in (replaces 910-1044)

Part #710-1044

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Lawn & Garden Equipment Engine Fuel Tank Cap (replaces Bs-597414) BS-84004416
#NI

Quick reference diagram

Lawn & garden equipment engine fuel tank cap (replaces bs-597414)

Part #BS-84004416

Replaced by #84004416

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Manufacturer substitution
This part replaces BS-84004416. Substitute parts can look different from the original.
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Mtd Lawn Mower Lower Handle Knob (replaces 720-05066) 720-05066A
#NI

Handle/label map diagram

Mtd lawn mower lower handle knob (replaces 720-05066)

Part #720-05066A

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Lawn  Mower 21-in Deck Xtreme Mulching Blade 942-0741-X
Lawn mower 21-in deck xtreme mulching blade

Part #942-0741-X

Replaced by #742P0741-X

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Manufacturer substitution
This part replaces 942-0741-X. Substitute parts can look different from the original.
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$22.00
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Mtd Lawn & Garden Equipment Flange Nut 712-04217
#NI

Axles/height adjustment/blade diagram

Mtd lawn & garden equipment flange nut

Part #712-04217

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Mtd Lawn Mower Screw (replaces 710-04995) 710-04995A
#NI

Deck assy & hardware diagram

Mtd lawn mower screw (replaces 710-04995)

Part #710-04995A

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$6.35
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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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.…