Part Location Diagram of 703458 Murray Locknut, 3/8-24
See part C-16 in the diagram
( Grid squares measure 1x1 inch )

Locknut, 3/8-24 703458

Manufactured by:
Murray
ERP Number:
ERP16403898
Part Number:
703458
Original Equipment Manufacturer ?
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Easy 

30 - 60 mins 

(5 rated repairs) ?

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Product Description

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This genuine manufacturer-sourced replacement part is specially designed for use with Snapper riding lawn mowers. A locknut is a type of nut that resists loosening when properly threaded onto a bolt. This is standard hardware which has multiple applications, please refer to the appropriate diagrams of your model for the correct location and use of this part. Keep in mind this durable metal component is sold individually.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Snapper
  • Simplicity
  • Craftsman
  • Murray
  • Briggs and Stratton
This part works with the following products:
  • Lawn Mower
  • Lawn Tractor
  • Tiller
  • Lawn Tractor Accessories
Part# 703458 replaces these:
703458, 7090289SM,

Customer Part Reviews

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5.0
Average Rating (out of 5):
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Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

30 - 60 mins 

(5 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

lawn mower drive mechanism was damaged

Dee from Cottonwood Heights, Utah

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers, Socket set, Wrench set
Replaced worn/damaged parts and rebuilt the drive mechanism. I used the assembly breakout diagrams provided by E Replacement Parts to assemble and adjust the new parts.
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old bracket broke while mowing, destroyed wheel and bolt assby

Larry from West Columbia, South Carolina

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Socket set, Wrench set
Removed old bracket and replaced, then inserted wheel/bolt/nut assembly and secured
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The bearing wore out in the pulley and belt was stretched and just wore our

Anthony from Kopperl, Texas

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Socket set, Wrench set
Parts Used:
7011029YP, 703458, 703866, 7022252YP
Was easy remember bed the pulley bolted on the new one. Then the belt a little fun there removed the rear end hosing in one side slide belt in and bam was mowing my yard in under an hour
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The bearing on the drive wheel shaft broke causing the drive belt to shred.

Gary from NORTHVILLE, Michigan

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Socket set
Replaced the parts with new ones.
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Front mower deck wheel broke

Davison from Swanzey, New Hampshire

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers, Socket set, Wrench (Adjustable), Wrench set
1. Lifted up front of tractor
2. Removed & replaced front wheel.
3. Let tractor down
4. Removed locking hinge rod for mower chute
5. Replaced chute and slipped hinge rod back into place
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Model Cross Reference

This part works with the following models:
ERP Number: ERP16403898
Manufacturer Part Number: 703458
Brand Model Number Description
Craftsman 107280340 Lawn Tractor - Lawn Tractor
Craftsman 107280340-7800669,S2812BVE Lawn Tractor - 107.280340 - 7800669, S2812bve, Craftsman 12.5hp 28" Rear Engine Rider (2010)
Craftsman 107280341 Lawn Mower - 28 Inch Rear-Engine Riding Mower 12.5hp
Simplicity 150Z Lawn Tractor - Axion 33-Inch Zero-Turn Mower, 18.5hp
Snapper 21350P Lawn Mower - () 21" 3.5 Hp Steel Deck Series 0
Snapper 21350PS Lawn Mower - () 21" 3.5 Hp Steel Deck Series 0
Snapper 21351P Lawn Mower - 21" 3.5 Hp Steel Deck Series 1
Snapper 21351PD Lawn Mower - 21" 3.5 Hp Steel Deck Series 1
Snapper 21351PS Lawn Mower - 21" 3.5 Hp Steel Deck Series 1
Snapper 21355P Lawn Mower - 21" 3.5 Hp Steel Deck Series 5
Snapper 21355PD Lawn Mower - 21" 3.5 Hp Steel Deck Series 5
Snapper 2135XPS Lawn Mower - 21" 3.5 Hp Steel Deck Electric Start Series X
Snapper 2135XPST Lawn Mower - 21" 3.5 Hp Steel Deck Electric Start Series X
Snapper 2135YP Lawn Mower - 21" 3.5 Hp Steel Deck Bbc Series Y
Snapper 21401P Lawn Mower - 21" 4 Hp Steel Deck Series 1
Snapper 21401PD Lawn Mower - 21" 4 Hp Steel Deck Series 1
Snapper 21401PD-2 Lawn Mower - 21" 4 Hp 2 Cycle Steel Deck Series 1
Snapper 21401PS Lawn Mower - 21" 4 Hp Steel Deck Electric Start Series 1
Snapper 21402P Lawn Mower - 21" 4 Hp Steel Deck Series 2
Snapper 21402PT Lawn Mower - 21" 4 Hp Steel Deck Series 2
Snapper 21404PB Lawn Mower - 21" 4 Hp Steel Deck Series 4
Snapper 21404PT Lawn Mower - 21-Inch 4 Hp 2 Cycle Steel Deck
Snapper 21404PT-2 Lawn Mower - 21" 4 Hp 2 Cycle Steel Deck Series 4
Snapper 21405P Lawn Mower - 21" 4 Hp Steel Deck Series 5
Snapper 21405P-2 Lawn Mower - 21" 4 Hp 2 Cycle Steel Deck Series 5
Snapper 21405PD Lawn Mower - 21" 4 Hp Steel Deck Series 5
Snapper 21405PD-2 Lawn Mower - 21" 4 Hp 2 Cycle Steel Deck Series 5
Snapper 21405PDT Lawn Mower - 21" 4 Hp Steel Deck Series 5
Snapper 21405PN Lawn Mower - 21" 4 Hp Steel Deck Series 5
Snapper 21405PS Lawn Mower - 21" 5 Hp Steel Deck Electric Start Series 5