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MTD
Gas Walk-Behind Mower

Model # 12A-370N720 THRU 12A-389N720 Official MTD lawn mower

Here are the diagrams and repair parts for Official MTD 12A-370N720-THRU-12A-389N720 lawn mower, as well as links to manuals and error code tables, if available.

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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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Model diagram and schematic

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ALL PARTS
Showing 10 of 92 parts  |
Blade-21" Mu 742-0741
#73

Models 370 thru 379 diagram

Blade-21" mu

Part #742-0741

Replaced by #942-0741A

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Manufacturer substitution
This part replaces 742-0741. Substitute parts can look different from the original.
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$27.71 | 
18% OFF Phone Price : $33.71
In Stock
Cable Tie 726-0240
#17

Models 370 thru 379 diagram

Cable tie

Part #726-0240

Replaced by #726-0178

?
Manufacturer substitution
This part replaces 726-0240. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Aircap Lawn & Garden Equipment Hex Screw 710-0896
Aircap lawn & garden equipment hex screw

Part #710-0896

This item is not returnable
$5.22 | 
16% OFF Phone Price : $6.22
In Stock
Yard Machines Lawn & Garden Equipment Cupped Washer 736-0270
#96

Models 370 thru 379 diagram

Yard machines lawn & garden equipment cupped washer

Part #736-0270

This item is not returnable
$5.10 | 
16% OFF Phone Price : $6.10
In Stock
Lever Spring 732-0803
#94

Models 370 thru 379 diagram

Lever spring

Part #732-0803

Replaced by #732-0803A

?
Manufacturer substitution
This part replaces 732-0803. Substitute parts can look different from the original.
This item is not returnable
$23.06
In Stock
Kill Cable 746-0843
#12

Models 370 thru 379 diagram

Kill cable

Part #746-0843

Replaced by #946-0671A

?
Manufacturer substitution
This part replaces 746-0843. Substitute parts can look different from the original.
$18.37 | 
10% OFF Phone Price : $20.37
In Stock
Lawn & Garden Equipment Machine Screw (replaces 753-04430, 910-0605) 710-0605
#3

Models 370 thru 379 diagram

Lawn & garden equipment machine screw (replaces 753-04430, 910-0605)

Part #710-0605

This item is not returnable
$6.76 | 
13% OFF Phone Price : $7.76
In Stock
Ace Lawn Tractor Hex Screw 710-0654A
#52

Models 370 thru 379 diagram

Ace lawn tractor hex screw

Part #710-0654A

This item is not returnable
$6.57 | 
13% OFF Phone Price : $7.57
In Stock
Lawn Mower Rear Skirt Wire Rod 732-0700
#14

Models 370 thru 379 diagram

Lawn mower rear skirt wire rod

Part #732-0700

Replaced by #732P0700

?
Manufacturer substitution
This part replaces 732-0700. Substitute parts can look different from the original.
$7.63
In Stock
Throttle Cable 746-0841
#12B

Models 370 thru 379 diagram

Throttle cable

Part #746-0841

Replaced by #946-0674A

?
Manufacturer substitution
This part replaces 746-0841. Substitute parts can look different from the original.
$27.09
In Stock

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Why does my lawn mower vibrate a lot?

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

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