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405001X78B Lawn Tractor - Overview

Models starting with 405001X78B

Keep searches simple, eg. "belt" or "pump".
Lawn Mower Blade – Part Number: 95103E701MA
Lawn Mower Blade
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(1)
PartSelect #: PS11833154
Manufacturer #: 95103E701MA
Add longevity and efficiency to your mower with this durable single blade from the renowned brand, Murray. Crafted with precision, the high performance of this blade ensures your lawn care tasks are c...
$21.80
  On Order
Lawn Mower Hex Head Washer Screw – Part Number: 2828635SM
Lawn Mower Hex Head Washer Screw
PartSelect #: PS8943581
Manufacturer #: 2828635SM
$5.20
  In Stock
Lawn Mower Wing Knob – Part Number: 703065
Lawn Mower Wing Knob
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(4)
PartSelect #: PS9999469
Manufacturer #: 703065
This 5/16-18 wing knob is sold individually. It is a plastic part, black in color, that works on a variety of equipment. Its general function is to allow you to quickly loosen, remove, or fold down th...
$7.62
  In Stock
Engine Exhaust Gasket – Part Number: 692236
Engine Exhaust Gasket
PartSelect #: PS9294808
Manufacturer #: 692236
This OEM exhaust gasket in lawn and garden equipment creates a seal between the engine block and the muffler or exhaust pipe so that exhaust gases do not leak. This is 3.30cm in diameter and 6.35cm in...
$5.71
  In Stock
Lawn Mower Cotter Pin – Part Number: 703312
Lawn Mower Cotter Pin
PartSelect #: PS9999599
Manufacturer #: 703312
This cotter pin is an OEM part that is 1.25 inches long, gold in color, and sold individually. Made of metal, it can have a range of applications on a variety of lawn and garden equipment. Generally, ...
$4.99
  In Stock
Lawn Mower Solenoid – Part Number: 7701100MA
Lawn Mower Solenoid
PartSelect #: PS9122216
Manufacturer #: 7701100MA
Introducing the starter solenoid from Murray, a leading name in quality lawn tractor parts. This starter solenoid is an essential component for your lawn tractor. It functions by transmitting battery ...
$29.97
  In Stock
Pulley – Part Number: 690409MA
Pulley
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(2)
PartSelect #: PS9997312
Manufacturer #: 690409MA
$21.25
  In Stock
Lawn Mower Belt Motion Drive – Part Number: 37X87MA
Lawn Mower Belt Motion Drive
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(2)
PartSelect #: PS11831566
Manufacturer #: 37X87MA
$31.41
  On Order
Mandrell/Jackshaft Housing Assembly – Part Number: 1001200MA
Mandrell/Jackshaft Housing Assembly
PartSelect #: PS9254869
Manufacturer #: 1001200MA
The Mandrell Assembly, or Jackshaft Housing Assembly includes the housing, shaft assembly, bearing, and nut. It will require a screw driver, pliers, socket set and wrench set to install, and its insta...
$89.66
  In Stock
Lawn Mower Bearing/Bushing 3/4 – Part Number: 91334MA
Lawn Mower Bearing/Bushing 3/4
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(1)
PartSelect #: PS11832843
Manufacturer #: 91334MA
$7.35
  On Order
Lawn Mower Nut – Part Number: 703409
Lawn Mower Nut
PartSelect #: PS9999668
Manufacturer #: 703409
This hex nut is a fastener made from steel and is used to secure the end of a bolt in various lawn and garden equipment and machinery. It is a genuine OEM replacement part that comes in a standard siz...
$6.00
  In Stock
Engine Hose Clamp – Part Number: 791850
Engine Hose Clamp
PartSelect #: PS9140678
Manufacturer #: 791850
$4.99
  In Stock
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Hit a root with the mower blade which broke the shaft housing.
Remove old blade and blade adapter (important part).Removed nut that holds pulley to the shaft housing, then removed the pulley and put belt out of the way.Used 3/8 air impact to remove bolts that held housing in. Pre-greased th inner housing before installing.New housing mount holes were not threaded so had to get new bolts to fasten. Used 5/16 x 1-1/2" hex heads with lock washers, washers, and Teflon lock nuts. Once mounted, reinstalled the top pulley and belt, tightened top nut, and put on blade adapter at underside of housing. Now ready for new blade.
Parts Used:
Mandrell/Jackshaft Housing Assembly
  • David from HELENA, AL
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Socket set, Wrench (Adjustable), Wrench set
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