Part Location Diagram of 2X77MA Murray Bolt Crg .31-18 X 2
See part A3 in the diagram
( Grid squares measure 1x1 inch )

Bolt Crg .31-18 X 2 2X77MA

Manufactured by:
Murray
ERP Number:
ERP11831461
Part Number:
2X77MA
Original Equipment Manufacturer ?
  Works with your model  MP450!
$6.16
In Stock
Delivers in 3-5 Business Days!
Minimum Quantity of 2 required

Easy 

Less than 15 mins 

(4 rated repairs) ?
  Works with your model   MP450!

Product Description

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Authentic OEM approved replacement item commonly used on Murray walk behind lawn mowers. The purpose of this special bolt is to secure upper and lower mower handles together. The square area under bolts head allows it to stay secure while the lock nut/knob is being tightened. This metal bolt is sold individually.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Murray
  • Briggs and Stratton
  • Snapper
  • Simplicity
  • Craftsman
This part works with the following products:
  • Lawn Mower
Part# 2X77MA replaces these:
002X77MA,

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 

Less than 15 mins 

(4 rated repairs) ?
  • 1
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Replaced handle, broken knobs, bolts and spring

Paul from Virginia Beach, Virginia

3 of 3 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers, Wrench set
Removed all of the parts from the existing upper handle, removed the broken knobs from the bolts and remove the old handle. Installed the new upper handle with the new knobs and bolts. To replace the spring start the pivot pin in the mulch cover, and place the spring in the mulch cover, Then start the pin thru the bracket on the mower dec k. Keep pressure on the spring and hook the end of it to the indent on the mulch cover, then push the pin thru the other end of the bracket, and place the push caps on the ends of the pin.
Glad I found you guys. I\'ll be back.
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One bolt and both knobs lost.

Larrry from ALISO VIEJO, California

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
2X77MA, 703065
Inserted bolts and fastened knobs.
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Preventive maintenance

JOHN from GLENOLDEN, Pennsylvania

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Socket set
Parts Used:
2X77MA, 703065, 1101120E701MA
Remove wing knob , and replaced bolt and knob. Remove old blade, by first disconnecting spark plug wire from spark plug , then placing a block of wood in the grass clippings outlet to prevent the the blade to be remove from turning, and then use the proper socket to remove bolt that holds the blade on and removed the blade and replaced w ith new blade in the reverse order that it was removed
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Broken Lower Push Handle

Stanley from Norfolk, Virginia

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers
Parts Used:
2X77MA, 1102087E701MA
Lower push bar broke at the bottom. Ordered a new one along with a bolt and wing nut to match the other side. Easy fix.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP11831461
Manufacturer Part Number: 2X77MA
Brand Model Number Description
Murray 202010x18A Lawn Mower - 20&#34 Lawn Mower
Murray 202010x24A Lawn Mower - 20&#34 Lawn Mower
Murray 202010x92A Lawn Mower - 20&#34 Lawn Mower
Briggs and Stratton 20255X19C Lawn Mower - 20255x19c - Walk-Behind Mower (1996)
Murray 203010x60A Lawn Mower - 20&#34 Lawn Mower
Murray 203030x48A Lawn Mower - 20&#34 Lawn Mower
Briggs and Stratton 20405A Lawn Mower - 20405a - Walk-Behind Mower (1997)
Murray 20405B Lawn Mower - 20&#34 Walk-Behind Mower
Murray 20405C Lawn Mower - 20&#34 Walk Behind Mower
Murray 20405D Lawn Mower - 20&#34 Walk Behind Mower
Murray 20405E Lawn Mower - 20&#34 Walk Behind Mower
Murray 20405x18A Lawn Mower - 20&#34 Walk Behind Mower
Briggs and Stratton 20405X192A Lawn Mower - 20405x192a - Walk-Behind Mower (1997)
Briggs and Stratton 20405X25A Lawn Mower - 20405x25a - Walk-Behind Mower (1997)
Murray 20405x25B Lawn Mower - 20&#34 Walk-Behind Mower
Murray 20405x30A Lawn Mower - 20&#34 Walk Behind Mower
Murray 20405x30B Lawn Mower - 20&#34 Walk Behind Mower
Murray 20405x30C Lawn Mower - 20&#34 Walk Behind Mower
Murray 20405x30E Lawn Mower - 20&#34 Lawn Mower
Briggs and Stratton 20405X31A Lawn Mower - 20405x31a - Walk-Behind Mower (1997)
Murray 20405x32A Lawn Mower - 20&#34 Walk Behind Mower
Briggs and Stratton 20405X50A Lawn Mower - 20405x50a - Walk-Behind Mower (1997)
Murray 20405x50B Lawn Mower - 20&#34 Walk-Behind Mower
Murray 20405x50C Lawn Mower - 20&#34 Walk-Behind Mower
Murray 20405x50D Lawn Mower - 20&#34 Walk Behind Mower
Briggs and Stratton 20405X51A Lawn Mower - 20405x51a - Walk-Behind Mower (1997)
Murray 20405x51B Lawn Mower - 20&#34 Walk-Behind Mower
Murray 20405x51D Lawn Mower - 20&#34 Walk Behind Mower
Murray 20405x82B Lawn Mower - 20&#34 Walk Behind Mower
Murray 20405x82C Lawn Mower - 20&#34 Walk Behind Mower