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MTD
Front-Engine Lawn Tractor

Model # 33ACA7ZS793 Official MTD lawn tractor

Here are the diagrams and repair parts for Official MTD 33ACA7ZS793 lawn tractor, 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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Showing 10 of 17 parts  |
Craftsman Lawn Tractor 42-in Deck 2-in-1 Blade (replaces 942-04308, 942-0656) 942-04308A
#NI01

Tractor diagram

Craftsman lawn tractor 42-in deck 2-in-1 blade (replaces 942-04308, 942-0656)

Part #942-04308A

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$29.65 | 
17% OFF Phone Price : $35.65
In Stock
Lawn Tractor Gauge Wheel 734-04155
#NI07

Tractor diagram

Lawn tractor gauge wheel

Part #734-04155

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$23.42 | 
20% OFF Phone Price : $29.42
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Lawn Tractor Deflector Shield 631-04354B
#NI04

Tractor diagram

Lawn tractor deflector shield

Part #631-04354B

Replaced by #631-04354C

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Manufacturer substitution
This part replaces 631-04354B. Substitute parts can look different from the original.
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$44.49 | 
12% OFF Phone Price : $50.49
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Lawn Tractor Flange Bearing 741-05094
#NI06

Tractor diagram

Lawn tractor flange bearing

Part #741-05094

$10.87 | 
16% OFF Phone Price : $12.87
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Lawn Tractor Mulch Kit 19A70041791
#NI10

Tractor diagram

Lawn tractor mulch kit

Part #19A70041791

$121.72
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Lawn Tractor Tire Chain, 20-in (replaces 190-685-000, 24862, Oem-190-658) 490-241-0023
#NI15

Tractor diagram

Lawn tractor tire chain, 20-in (replaces 190-685-000, 24862, oem-190-658)

Part #490-241-0023

$69.51 | 
8% OFF Phone Price : $75.51
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Lawn Tractor Discharge Chute 731-13549
#NI02

Tractor diagram

Lawn tractor discharge chute

Part #731-13549

$26.49
In Stock
Switch-seat 725-05472
#NI05

Tractor diagram

Switch-seat

Part #725-05472

$25.78
In Stock
Lawn Tractor Universal Sun Shade 490-900-0067
#NI11

Tractor diagram

Lawn tractor universal sun shade

Part #490-900-0067

$153.99 | 
7% OFF Phone Price : $165.99
In Stock
Lawn Tractor Ignition Key 625-05002
#NI03

Tractor diagram

Lawn tractor ignition key

Part #625-05002

Replaced by #925-1745A

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Manufacturer substitution
This part replaces 625-05002. Substitute parts can look different from the original.
$19.56 | 
9% OFF Phone Price : $21.56
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Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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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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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…

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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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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

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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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