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12AVB2R3791
12AVB2R3791 MTD Lawn Mower
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Diagrams for 12AVB2R3791
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$35.34
This is a mulching blade for your lawn mower. It is located underneath the lawn mower deck, and cuts the grass by rotating. This blade has a curved style shell, and includes extra cutting surfaces alo...
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$59.91
This is an authentic manufacturer-sourced replacement part which is specially designed for use with Craftsman lawn mowers. The grass bag frame supports and hold the grass bag in place, while it is col...
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The hex bolt attaches to the washer and the square key. This part is an OEM from Craftsman for use in snowblowers and lawn mowers. It is available as an individual replacement part and is made of meta...
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$17.15
This replacement trail shield is specially designed for use on walk-behind lawn mowers. It is an authentic item that is sourced from original equipment manufacturer and it is sold individually. This p...
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$34.27
This is a replacement v-belt is a genuine high quality OEM sourced part, it is not an aftermarket imitation. It is utilized on both riding lawn mowers and snow blowers. To ensure correct application o...
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$35.26
This drive cable is an original part from the MTD manufacturer. This part is constructed of metal and wiring encased in plastic. The drive cable is compatible with many lawn mower machines. This item ...
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$57.46
This is an authentic OEM sourced replacement part that is intended to be used with lawnmowers from Troy-Bilt, Yard-Man, and MTD. The blade adapter is used to link the motor pulley, blade, and the belt...
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$27.83
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 blad...
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$6.51
This spark plug is designed to provide reliable ignition and efficient fuel combustion in small engine applications. Built for consistent performance and durability, it helps maintain smooth operation...
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$17.16
This is an authentic filter cartridge for an engine. Its purpose is to filter out dirt and debris from the air that flows through the machine and could be harmful to the engine. This part is commonly ...
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Common Problems and Symptoms for 12AVB2R3791
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- Customer:
- Isaiah from CHAMBERSBURG, PA
- Parts Used:
- 592358
- Difficulty Level:
- Really Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers, Socket set
Blown Head Gasket
This was an OHV motor so in order to get to the head, you must remove the valve cover and remove the push rods. Remove all four head bolts in an even star pattern. Remove the old gasket and scrape all remaining gasket gunk. Put new gasket on and tighten head back on with an even star pattern. Slide push rods back in and adjust valves to .
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004 of an inch and put valve cover back on and start it up!
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- Customer:
- Michael from BOAZ, AL
- Parts Used:
- 592358
- Difficulty Level:
- Really Easy
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Nutdriver, Socket set
Blown Head Gasket
Remove the top cover and pull cord assembly. Remove the muffler cover. Lift off the gas tank and disconnect from the air filter box. Remove the air filter box and carb from the head cover as a single unit. Remove the head cover. You can leave the valve cover in place. Remove old gasket material. Clean surfaces. Replace gasket. Reassemble
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. *if the valve stems come loose from their seats or rockers, remove the valve cover and reseat. Reassembly is the opposite of disassembly. Happy mowing.
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- Customer:
- Kim from KENNER, LA
- Parts Used:
- 796503
- Difficulty Level:
- Very Easy
- Total Repair Time:
- Less than 15 mins
Screw in new dipstick, check oil level
Very well
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