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M310 ((CMXGMAM1125505) (12AVP2R3791)(2020)) Craftsman Lawn Mower - Overview
Diagrams for M310
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$7.44
Special Order
No Longer Available
TORSION SPRING (LH)
Part #732-05062B
No Longer Available
SPUR GEAR 9T
Part #717-05446
No Longer Available
Hinged Mulch Plug
Part #687-06029
This is an original part from Craftsman for use with Lawn Mowers. The mulching plug, when installed in the grass-discharge chute, converts the mower to mulching mode. The most common reason for replacing the mulch cover is if it is damaged. This part is sold individually. The tool that you will need to replace the mulching plug is a 3/8" nut driver.
No Longer Available
AIR FILTER
Part #BS-593260
This replacement air filter is supplied directly from the original equipment manufacturer for use with lawn and garden equipment. Its purpose is to ensure that the air supplied into the unit is free of dust and other harmful contaminants, over time it may wear and get clogged eventually requiring a replacement to ensure peak performance. Keep in mind this high-quality pleated paper component is sold individually.
No Longer Available
BLADE-21 XTREME
Part #742P0741-X
This is a Troy-Bilt, MTD, Yard Machines, and Yard Man replacement part directly sourced from the manufacturer for use in lawn mowers. The extreme blade fits between the engine baffle and the bell blade support. It might require a wrench to replace this item. It may become bent or broken and will need to be replaced. This part is made of metal and is available individually.
No Longer Available
21" MULCH PLUG
Part #731-16051
No Longer Available
TRANSMISSION COVER (REAR)
Part #731-16251
No Longer Available
BLADE-21MULCH CUB
Part #490-100-C089
No Longer Available
BLADE-21 MULCHING
Part #490-100-M084
No Longer Available
HANDLE-LOWER ADJ E
Part #749-07297-0637
No Longer Available
BELT:TRANS:WB:
Part #CMXGZAM501055
Common Symptoms of the M310
How this model fails, and the parts that fix it.
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I replaced the deck on my Craftsman Lawn Mower, and needed a new water nozzle and some screws to hold the front wheel assembly on.
2 of 4 people
found this instruction helpful.
I removed the rear wheels, then I removed the blade, then the motor, then the front wheel assembly. The bolts holding the front wheel assembly were rusted and rounded trying to remove them, so I cut them out with a grinder. Afterwards I removed the remainder of the screw with a pair of pliers. I also removed the Water jet cleanout nozz
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le, found it was cracked, ordered the part from PartSelect, along with the screws needed to attach the front wheel assembly. I cleaned the remaining parts and re installed them onto the new deck. First, I installed the front wheel assembly, then the motor, then sat the mower upright, installed the blade, then took the rear wheel assembly and aligned it and fastened it to the deck. Last piece was the water nozzle. I placed it in the recess for it, and fastened it with the bolt. Then I tested the mower, and it worked without issue. Afterwards I used the new clean out port to rinse the underside of the deck, and it worked well.
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