Murray
Front-Engine Lawn Tractor

Model # 46378X6B Official Murray lawn tractor

Here are the diagrams and repair parts for Official Murray 46378X6B 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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ALL PARTS
Showing 10 of 284 parts  |

Housing Assembly 92574
#68

Mower housing diagram

Housing assembly

Part #92574

Replaced by #492574MA

?
Manufacturer substitution
This part replaces 92574. Substitute parts can look different from the original.
$68.99
8% OFF Phone Price : $74.99
In Stock
Washer 17X166
#71

Mower housing diagram

Washer

Part #17X166

Replaced by #17X166MA

?
Manufacturer substitution
This part replaces 17X166. Substitute parts can look different from the original.
This item is not returnable
$22.49
21% OFF Phone Price : $28.49
In Stock
Jackshaft 91921
#9

Mower housing diagram

Jackshaft

Part #91921

Replaced by #491921MA

?
Manufacturer substitution
This part replaces 91921. Substitute parts can look different from the original.
This item is not returnable
$29.18
17% OFF Phone Price : $35.18
In Stock
Washer 17X165
#72

Mower housing diagram

Washer

Part #17X165

Replaced by #17X165MA

?
Manufacturer substitution
This part replaces 17X165. Substitute parts can look different from the original.
This item is not returnable
$28.09
18% OFF Phone Price : $34.09
In Stock
Washer 17X91Z
Washer

Part #17X91Z

Replaced by #17X91MA

?
Manufacturer substitution
This part replaces 17X91Z. Substitute parts can look different from the original.
In Stock
Bolt 2X53
#12

Body chassis diagram

Bolt

Part #2X53

Replaced by #703159

?
Manufacturer substitution
This part replaces 2X53. Substitute parts can look different from the original.
This item is not returnable
In Stock
Cotter Pin 30X20
#11

Motion drive diagram

Cotter pin

Part #30X20

Replaced by #703312

?
Manufacturer substitution
This part replaces 30X20. Substitute parts can look different from the original.
This item is not returnable
In Stock
Spacer 91925
#10

Mower housing diagram

Spacer

Part #91925

Replaced by #91925MA

?
Manufacturer substitution
This part replaces 91925. Substitute parts can look different from the original.
In Stock
Screw 26X239
#1

Hood and engine mount diagram

Screw

Part #26X239

Replaced by #26X239MA

?
Manufacturer substitution
This part replaces 26X239. Substitute parts can look different from the original.
This item is not returnable
$7.09
12% OFF Phone Price : $8.09
In Stock
Nut 15X100
Nut

Part #15X100

Replaced by #15X100MA

?
Manufacturer substitution
This part replaces 15X100. Substitute parts can look different from the original.
This item is not returnable
$5.99
14% OFF Phone Price : $6.99
In Stock

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

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

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

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

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

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

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

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

Main causes: faulty battery, bad alternator…

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 a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

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

How to replace a riding lawn mower blade

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Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Repair difficulty
Time required
 15 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 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…

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.…

Riding mower and tractor common questions

Riding mower and tractor common questions

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