MTD
Front-Engine Lawn Tractor

Model # 13AB77XS091 Official MTD lawn tractor

Here are the diagrams and repair parts for Official MTD 13AB77XS091 lawn tractor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 37 parts  |

Lawn Tractor 42-in Deck Bagging Blade 942-04308
#NI07

Tractor diagram

Lawn tractor 42-in deck bagging blade

Part #942-04308

Replaced by #942-04308A

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Manufacturer substitution
This part replaces 942-04308. Substitute parts can look different from the original.
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$28.76
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Lawn & Garden Equipment Engine Spark Plug 951-10292
#NI19

Tractor diagram

Lawn & garden equipment engine spark plug

Part #951-10292

Replaced by #951-10292A

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Manufacturer substitution
This part replaces 951-10292. Substitute parts can look different from the original.
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This item is not returnable
$5.70
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Lawn Tractor 42-in Deck 3-in-1 Blade (replaces 742-0616a, 742-0616a-0637, 942-04126, 942-0616) 942-0616A
#NI09

Tractor diagram

Lawn tractor 42-in deck 3-in-1 blade (replaces 742-0616a, 742-0616a-0637, 942-04126, 942-0616)

Part #942-0616A

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$30.47
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Lawn & Garden Equipment Engine Oil Filter 951-12690
#NI17

Tractor diagram

Lawn & garden equipment engine oil filter

Part #951-12690

Replaced by #490-201-Y010

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Manufacturer substitution
This part replaces 951-12690. Substitute parts can look different from the original.
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$16.97
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Lawn Tractor Ground Drive Belt, 7/16 X 71-1/8-in 954-04249A
#NI04

Tractor diagram

Lawn tractor ground drive belt, 7/16 x 71-1/8-in

Part #954-04249A

Replaced by #490-501-M006

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Manufacturer substitution
This part replaces 954-04249A. Substitute parts can look different from the original.
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$38.44
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Lawn Tractor Deflector Shield 631-04354B
#NI13

Tractor diagram

Lawn tractor deflector shield

Part #631-04354B

Replaced by #631-04354C

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This part replaces 631-04354B. Substitute parts can look different from the original.
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Lawn Tractor Starter Solenoid (replaces 725-06153) 725-06153A
#NI18

Tractor diagram

Lawn tractor starter solenoid (replaces 725-06153)

Part #725-06153A

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Lawn & Garden Equipment Engine Fuel Filter (replaces 1727491, 1731399, 1820062, 1824053, 1824104, 432625, Gw-1727491, Gw-b1727491, Wd-900-5514, Wd-c37554) 951-3013
#NI15

Tractor diagram

Lawn & garden equipment engine fuel filter (replaces 1727491, 1731399, 1820062, 1824053, 1824104, 432625, gw-1727491, gw-b1727491, wd-900-5514, wd-c37554)

Part #951-3013

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Lawn Tractor Interlock Switch 725-04363
#NI20

Tractor diagram

Lawn tractor interlock switch

Part #725-04363

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Lawn Tractor Axle Flange Bearing (replaces 741-0516a, 941-0516) 741-0516B
#NI24

Tractor diagram

Lawn tractor axle flange bearing (replaces 741-0516a, 941-0516)

Part #741-0516B

$7.92
11% OFF Phone Price : $8.92
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Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: faulty battery, bad alternator…

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

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.

How to replace the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower rear tire

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.…

Repair difficulty
Time required
 60 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.

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.…

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.…