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Repair Parts Home  Lawn Equipment Parts  Murray Parts  420729MA Ignition Key

Ignition Key

Part Number: 420729MA
Murray
Availability: 25+ in stock
Price: $10.99
Quantity:
Ships within 1 business day

*This part replaces obsolete part #: 420729WMA, 020729MA, 672220, 71094E1276, 20729 and MU020729MA.

Product Information
Manufacturer: Murray
Product Number: 420729MA
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide
Description:
This ignition key is an authentic replacement part. It is sourced directly from original equipment manufacturer for use with Murray riding lawn mowers/tractors. This is a safety feature for unauthorized use of the mower. The key is inserted into the switch and it allows you to start the unit. Includes two (2) metal ignition keys.
Compatibility

This part is compatible with the following machines:

Murray
7800292 (385002x108C) Lawn Tractor
7800494 (465624x108A) Lawn Tractor
7800495 (465625x108A) Lawn Tractor
7800272 (312006x11E) Lawn Tractor
7800274 (312006x11E) Lawn Tractor
7800275 (309006x78C) Lawn Tractor
7800276 (385048x114) Lawn Tractor
7800277 (385048x51A) Lawn Tractor
7800292 (385002x108C) Lawn Tractor
7800294 (385002x78D) Lawn Tractor
7800319 (385048x151) Lawn Tractor
7800278 (405021x114) Lawn Tractor
7800279 (405021x51) Lawn Tractor
7800280 (405628x114) Lawn Tractor
7800281 (405628x51) Lawn Tractor
7800295 (405012x108) Lawn Tractor
7800297 (405012x108) Lawn Tractor
7800300 (405606x78C) Lawn Tractor
7800321 (405628x151) Lawn Tractor
7800282 (425307x51A) Lawn Tractor
7800302 (425017x78B) Lawn Tractor
7800283 (465307x51) Lawn Tractor
7800306 (465624x78B) Lawn Tractor
312006x50C Lawn Tractor
385002x108B Lawn Tractor
385003x108 Lawn Tractor
385047x51A Lawn Tractor
405013x50C Lawn Tractor
405020x51A Lawn Tractor
405606x50C Lawn Tractor
405612x108 Lawn Tractor
405627x51A Lawn Tractor
465617x51A 46" Lawn Tractor
312006x190A (552550) 30" Lawn Tractor
312006x50B-SW 30" Lawn Tractor
312006x78B 30" Lawn Tractor
385002x190A (552544) 38" Lawn Tractor
385002x50B-SW 38" Lawn Tractor
385002x78C 38" Lawn Tractor
385044x51A-SW 38" Lawn Tractor
405013x50B-SW 40" Lawn Tractor
405017x190A (552545) 40" Lawn Tractor
405606x190A (552546) 40" Lawn Tractor
405606x50B-SW 40" Lawn Tractor
405606x78B 40" Lawn Tractor
405607x78A 40" Lawn Tractor
405625x51A-SW 40" Lawn Tractor
461004x92B 46" Lawn Tractor
461605x99A 46" Lawn Tractor
312002x11B 30" Lawn Tractor
312006x50A 30" Lawn Tractor
385000x68B 38" Lawn Tractor
385001x51A 38" Lawn Tractor
385002x108A 38" Lawn Tractor
385002x50A 38" Lawn Tractor
385002x78A 38" Lawn Tractor
385002x78B 38" Lawn Tractor
385002x98A 38" Lawn Tractor
385003x52A 38" Lawn Tractor
385004x52A 38" Lawn Tractor
387002x92C 38" Lawn Tractor
387002x92D 38" Lawn Tractor
405000x8E 40" Lawn Tractor
405000x8F 40" Lawn Tractor
405000x8G 40" Lawn Tractor
405004x99A 40" Lawn Tractor
405011x48A 40" Lawn Tractor
405011X52A 40" Lawn Tractor
405011x92A 40" Lawn Tractor
405011x92B 40" Lawn Tractor
405011x92C 40" Lawn Tractor
405012x108A 40" Lawn Tractor
405013x50A 40" Lawn Tractor
405016x31A 40" Lawn Tractor
405605x51A 40" Lawn Tractor
405606x50A 40" Lawn Tractor
405607x52A 40" Lawn Tractor
425001x8C 42" Lawn Tractor
425001x8D 42" Lawn Tractor
425001x8E 42" Lawn Tractor
465306x8B 46" Lawn Tractor
465307x31A 46" Lawn Tractor
465600x48A 46" Lawn Tractor
465624x50A 46" Lawn Tractor
468602x68A 46" Lawn Tractor
461004x92A 46" Lawn Tractor
461005x68A 46" Lawn Tractor
461604x99A 46" Lawn Tractor
465306x8A 46" Lawn Tractor
312002x11A 31" Lawn Tractor
312001x50C 31" Lawn Tractor
312002x98B 31" Lawn Tractor
312003x50B 31" Lawn Tractor
312004x68A 31" Lawn Tractor
385000x68A 38" Lawn Tractor
385011x50C 38" Lawn Tractor
385014x98B 38" Lawn Tractor
385015x50B 38" Lawn Tractor
385015x50C 38" Lawn Tractor
385016x78A 38" Lawn Tractor
385021x53A 38" Lawn Tractor
38516x53D 38" Lawn Tractor
387002x83A 38" Lawn Tractor
387002x92A 38" Lawn Tractor
387002x92NA 38" Lawn Tractor
387003x8A 38" Lawn Tractor
387004x48A 38" Lawn Tractor
405000x31B 40" Lawn Tractor
405000x8C 40" Lawn Tractor
405000x8D 40" Lawn Tractor
405001x78B (2004) 40" Lawn Tractor
405004x50B 40" Lawn Tractor
405004x52A 40" Lawn Tractor
405005x99B 40" Lawn Tractor
405005x99C 40" Lawn Tractor
405007x18B 40" Lawn Tractor
405012x78A 40" Lawn Tractor
405030x48B 40" Lawn Tractor
405030x48C 40" Lawn Tractor
405602x51A 40" Lawn Tractor
405604x53A 40" Lawn Tractor
461000x8A 46" Lawn Tractor
461008x692A 46" Lawn Tractor
461008x92A 46" Lawn Tractor
461603x48A 46" Lawn Tractor
312000x68B 31" Lawn Tractor
312000x98B 31" Lawn Tractor
312001x11B 31" Lawn Tractor
312001x11C 31" Lawn Tractor
312001x50B 31" Lawn Tractor
312002x98A 31" Lawn Tractor
312003x50A 31" Lawn Tractor
385008x51B 38" Lawn Tractor
385008x52B 38" Lawn Tractor
385009x98B 38" Lawn Tractor
385011x50B 38" Lawn Tractor
385012x68B 38" Lawn Tractor
385013x51A 38" Lawn Tractor
385014x98A 38" Lawn Tractor
385015x50A 38" Lawn Tractor
38516x53C 38" Lawn Tractor
385300x30A 38" Lawn Tractor
387000x00A 38" Lawn Tractor
387000x92A 38" Lawn Tractor
387001x00A 38" Lawn Tractor
405000x31A 40" Lawn Tractor
405000x8A 40" Lawn Tractor
405000x8B 40" Lawn Tractor
405001x78B (2003) 40" Lawn Tractor
405003x50B 40" Lawn Tractor

Products Compatibility

This item works with the following types of products:

  • • Lawn Tractor
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
1 of 1 people found this instruction helpful
Tool Type:
Lawn Tractor
Parts Used:
Ignition Key - 420729MA
Mower Deck Belt - 37X62MA
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Lost keys and broken drive belt
I had to bend some of the tabs that keep the belt aligned to get the belt on pulley -- no big deal. Keys are universal and worked perfectly.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Tool Type:
Lawn Tractor
Parts Used:
Ignition Key - 420729MA
Solenoid - 7701100MA
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Pliers, Socket set
Mower was dead with new battery
Replaced the ignition switch and the solenoid.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Discussion
Discussion for Ignition Key - ( 420729MA )
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  • disappointed
    The ignition keys we purchased didn't work in our riding lawn mower. We were disappointed.
    Guest - July 10, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Murray
    Product Number: 420729MA
    Classification: Part
    Weight: 0.01 lbs.
    Shipping: Ships Worldwide
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