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12A-751-100 Cub Cadet Lawn Mower - Overview

Diagrams for 12A-751-100

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Lawn Mower Spark Plug – Part Number: 796112S
$6.40
In Stock
Lawn Mower Spark Plug
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Part #796112S
This is an OEM replacement part and is sold individually. Its propose is to deliver an electric current from an ignition system to the combustion chamber of a gas fueled engine. It will ignite the air fuel mixture by the spark. Spark Plugs will usually have to gapped to the manufactures specifications found in the owners manual. Over time a Spark Plug will become fouled because the air/fuel ratio may be set wrong,worn piston rings, carbon build up and other factors. It is better to replace a fouled spark plug, rather then trying to clean it.
Connector-hose – Part Number: 692317
$9.08
In Stock
Connector-hose
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Part #692317
This is a Genuine Manufacturer Sourced replacement part used on a a variety of Engines. This is a Fuel Line Connector connects the fuel line to the carburetor. This part is made out of Plastic and Metal, it is Sold Individually.
Lawn Mower Hex Washer Head Screw – Part Number: 710-0599
$6.40
In Stock
Lawn Mower Hex Washer Head Screw
Part #710-0599
This is an original replacement part sourced directly from the manufacturer. The screw is commonly found in yard equipment from Craftsman, such as lawn tractors, snow blowers, and edgers. This part is made of metal, and may be found in various locations in the machine, depending on model. Please be aware that there are different screws used in the machine. Refer to the parts diagram to be sure of ordering the correct part. You will require a wrench when replacing this item. The screw is sold as an individual replacement part.
Gasket-exhaust – Part Number: 692236
$6.47
In Stock
Gasket-exhaust
Part #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 length. Your machine may have a loud hissing or popping sound coming from the exhaust area if the gasket was faulty. You may also notice the presence of black soot around the gasket or the exhaust. Your gasket needs to be replaced if it appears worn or deformed. Otherwise, your machine will experience exhaust leaks. To detach the gasket, remove the fasteners that secure it using a socket or wrench. You can detach the gasket from your machine afterwards. Please bear in mind that this replacement part is sold individually.
Seal-o Ring – Part Number: 691917
$6.40
In Stock
Seal-o Ring
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Part #691917
The Seal-O Ring, also known as the gasket, is red in color, made of rubber, and is an OEM part that requires some skill to replace. This part is designed to create a seal between the carburator and manifold, to prevent air from entering. If your engine loses power, creates a hissing noise, or if the gasket appears damaged or your engine running improperly it may be time to replace the part. If you run the engine and spray the outside of the carburator with soapy water, you can test whether or not the gasket is leaking by listening to the sounds produced. If the sound smooths out then you've found your leaky gasket. Damage may occur over time, especially if the part dries out, and make the part appear stretched or worn out. When making this medium-difficulty repair, make sure the new gasket is fitted properly between the carburetor and intake manifold.
Pulley-starter – Part Number: 295871
$19.42
In Stock
Pulley-starter
Part #295871
Difficulty pulling the starter rope or a cord that stays extended can result from a damaged recoil pulley. This wheel guides and stores the rope while helping turn the engine during starting. Similar symptoms can come from a frayed rope, seized engine, bent starter housing, broken pawls, or weak return spring, so check those items first. Match the replacement to the full engine model, type, code, and equipment model. Work on a cool engine with the spark plug lead removed. Release spring tension slowly and keep your face and hands clear of the starter housing. Route the rope correctly, confirm smooth return, and reinstall every guard before starting the engine.
Clutch-starter – Part Number: 399671
$48.09
In Stock
Clutch-starter
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Part #399671
Hard starting may come from the recoil system instead of the carburetor or spark plug. If the rope pulls but the engine does not turn, the starter clutch may be worn, dirty, or jammed. The clutch turns the crankshaft during starting and lets go when the engine runs. First inspect the rope, rewind spring, pulley, flywheel screen, and clutch bearing. Confirm fit with the complete engine number. Remove the spark plug wire, wait for hot parts to cool, and keep dirt out of the bearing area. Test free movement before putting the shroud back on.
Armature-magneto – Part Number: 591459
$56.10
In Stock
Armature-magneto
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(1)
Part #591459
Hard starting or an engine that suddenly stops may point to a damaged magneto armature. This ignition coil turns magnetic energy from the spinning flywheel into the electrical pulse that fires the spark plug. First try a known-good spark plug and inspect the safety switches, grounding wire, terminals, and flywheel magnet. Confirm fit from the full engine identification numbers, since similar coils may mount differently. Work only with the engine off and cool. Disconnect the battery and spark plug lead before removing covers. During installation, use the air gap listed in the service manual and tighten the mounting screws evenly. Keep hands clear of the flywheel and use an insulated tester to check for spark.
Solenoid – Part Number: 691656
No Longer Available
Solenoid
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Part #691656
A starter solenoid, also known as a starter relay, is an electrical component that is used within small engine systems to control the starter motor by engaging it when an ignition key is turned - acting as a bridge between the battery and starter motor. This starter solenoid is designed for use with various models of lawn mower and other small engine equipment and is sold as an individual part with no securing hardware. Depending on your model and type of equipment, the location of the starter solenoid may be different, but it is typically located on or around the engine block, and close to the battery. If you notice issues with starting your equipment such as clicking sounds, intermittent starting or simply not starting at all, the solenoid may be burnt or damaged and need replacement immediately. You can test the solenoid for continuity on its terminals with a multimeter, but make sure to take safety precautions. To replace a starter solenoid, you need only disconnect the equipment from power, locate the solenoid, disconnect and remove any connections and securing bolts before you can replace it and test for full functionality.
Screw – Part Number: 691108
$6.40
In Stock
Screw
Part #691108
This is an authentic OEM sourced replacement part that is intended to be used with lawnmower engines and outboard motors from Briggs & Stratton and Toro. The metal screw is used to secure the rocker cover to the cylinder head assembly. This item is available as an individual replacement part.
Hose-vacuum – Part Number: 791766
$10.60
In Stock
Hose-vacuum
Part #791766
This genuine part is sourced directly from the original equipment manufacturer. It is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. The purpose of this hose is to transfer vacuum from the engine. Unfortunately, over time the material may wear out and begin to crack eventually requiring a replacement. Make sure to check the diagrams of your model for the exact location and the correct installation of this part. Note, this item includes one durable rubber hose and two metal clamps to secure it.
Engine Float Bowl – Part Number: 495933
No Longer Available
Engine Float Bowl
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Part #495933
This authentic part has been sourced from the original manufacturer for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. The metal float bowl fits onto the bottom of the carburetor and is used to house the float and store and drain the fuel that actuates the needle valve. It provides a high-quality replacement for a damaged or a missing component that was installed on a new unit. Keep in mind this high-quality item includes one durable metal bowl-float, the screw, the washer, and the o-ring. Refer to the diagrams of your model for the correct installation.

Common Symptoms of the 12A-751-100

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Wouldn’t start.
18 of 48 people found this instruction helpful.
  • Bruce from CARNATION, WA
  • Really Easy
  • 30 - 60 mins
I installed a new solenoid starter. Took me a total of 20 minutes. Started right up.
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