Craftsman
Riding Mowers & Tractors

Model #917253891 Official Craftsman 50" replacement deck

Here are the diagrams and repair parts for Craftsman 917253891 50" replacement deck, 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:

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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.

Showing 10 of 92 parts

Lawn Tractor Attachment Hitch Pin#47

Mower Diagram

Spring retainer

Part #3146R
Replaced by #532003146
?
Manufacturer substitution
This part replaces 3146R. Substitute parts can look different from the original.
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Lawn Tractor Washer#8

Attaching parts Diagram

Lock washer

Part #10040600
Replaced by #596238701
?
Manufacturer substitution
This part replaces 10040600. Substitute parts can look different from the original.
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Lawn Tractor Screw#14

Mower Diagram

Screw

Part #17490612
Replaced by #17000612
?
Manufacturer substitution
This part replaces 17490612. Substitute parts can look different from the original.
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MSRP: $3.40
Tiller Bolt#9

Mower Diagram

Bolt

Part #72140506
Replaced by #595901601
?
Manufacturer substitution
This part replaces 72140506. Substitute parts can look different from the original.
This item is not returnable
In Stock
$2.49 | 
29% OFF 
Phone Price: $3.49
Lawn Mower Washer#21

Attaching parts Diagram

Washer

Part #19171616
Replaced by #596040101
?
Manufacturer substitution
This part replaces 19171616. Substitute parts can look different from the original.
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Lawn Mower Washer#54

Mower Diagram

Washer

Part #19171612
Replaced by #596040101
?
Manufacturer substitution
This part replaces 19171612. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$2.16
Lawn Tractor Blade Drive Belt, 1/2 x 93-1/2-in#76

Mower Diagram

Lawn tractor blade drive belt

Part #110884X
Replaced by #532110884
?
Manufacturer substitution
This part replaces 110884X. Substitute parts can look different from the original.
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Lawn Tractor Blade Idler Pulley#24

Mower Diagram

Idler

Part #102403X
Replaced by #532102403
?
Manufacturer substitution
This part replaces 102403X. Substitute parts can look different from the original.
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MSRP: $32.00
Lawn Tractor Deflector Shield Hinge Rod#66

Mower Diagram

Rod

Part #106735X
Replaced by #532106735
?
Manufacturer substitution
This part replaces 106735X. Substitute parts can look different from the original.
This item is not returnable
In Stock
$5.29 | 
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Phone Price: $6.29
Lawn & Garden Equipment Screw#3

Mower Diagram

Lawn & garden equipment screw

Part #17490508
This item is not returnable
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Symptoms common to all 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: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
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 mandrel pulleys
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a tune up
Main causes: faulty battery, bad alternator
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up

Repair guides common to all riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

January 1, 2015
By Lyle Weischwill
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
January 1, 2015
By Lyle Weischwill
How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.

Repair difficulty
Time required
 30 minutes or less
January 1, 2015
By Lyle Weischwill
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

Articles and videos common to all 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.

February 11, 2023

Top 10 electric lawn and garden tools for 2023

By Lyle Weischwill

Learn about the top 10 must-have electric lawn & garden tools for 2023

August 6, 2020

How to remove a lawn mower blade using a removal tool

By Lyle Weischwill

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

April 9, 2019

Riding mower parts and supplies to stock up on video

By Lyle Weischwill

Keep these 6 things on hand to keep the mower season running smoothly.