MTD
Electric Walk-Behind Mower

Model # 18A-188-799 Official MTD electric lawn mower

Here are the diagrams and repair parts for Official MTD 18A-188-799 electric lawn mower, 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 70 parts  |

Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591) 712-04063
#31

Rotary mower diagram

Yard machines lawn & garden equipment lock nut, 5/16-18 (replaces 753-05591)

Part #712-04063

BEST SELLER
This item is not returnable
$4.40
19% OFF Phone Price : $5.40
In Stock
Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#20

Rotary mower diagram

Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

BEST SELLER
This item is not returnable
$4.91
17% OFF Phone Price : $5.91
In Stock
Knob 720-04072
#46

Rotary mower diagram

Knob

Part #720-04072

Replaced by #720-04072A

?
Manufacturer substitution
This part replaces 720-04072. Substitute parts can look different from the original.
BEST SELLER
$9.33
10% OFF Phone Price : $10.33
In Stock
Complete Wheel 734-2004A
#34

Rotary mower diagram

Complete wheel

Part #734-2004A

Replaced by #753-08093

?
Manufacturer substitution
This part replaces 734-2004A. Substitute parts can look different from the original.
$46.07
12% OFF Phone Price : $52.07
In Stock
Lawn Tractor Push Cap 726-0201
#50

Rotary mower diagram

Lawn tractor push cap

Part #726-0201

This item is not returnable
$10.56
16% OFF Phone Price : $12.56
In Stock
Yard Machines Lawn & Garden Equipment Cupped Washer 736-0270
#19

Rotary mower 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
Lawn Mower Blade 742-04152
#9

Rotary mower diagram

Lawn mower blade

Part #742-04152

Replaced by #942-04152

?
Manufacturer substitution
This part replaces 742-04152. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$46.49
11% OFF Phone Price : $52.49
In Stock
Lawn & Garden Equipment Self-tapping Screw 710-0726
#67

Rotary mower diagram

Lawn & garden equipment self-tapping screw

Part #710-0726

Replaced by #710-0726

?
Manufacturer substitution
This part replaces 710-0726. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn Mower Deflector Shield (replaces 931-04177) 731-04177
#14

Rotary mower diagram

Lawn mower deflector shield (replaces 931-04177)

Part #731-04177

This item is not returnable
$25.96
19% OFF Phone Price : $31.96
In Stock
Lawn Mower Axle Bushing 741-0492A
#53

Rotary mower diagram

Lawn mower axle bushing

Part #741-0492A

$9.53
9% OFF Phone Price : $10.53
In Stock

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

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....

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....

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them....