20437 Toro Lawn Mower - Overview
Models starting with 20437
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Filter A/C Cartridge
PartSelect #: PS8987387
Manufacturer #: 491588S
This is a replacement air filter/AC cartridge for your small engine. The air filter prevents dirt and debris from entering the engine. Over time, the air filter can become clogged or damaged, and this...
$7.06
In Stock
Lawn Mower Spark Plug
PartSelect #: PS9140427
Manufacturer #: 796112S
This part is the replacement spark plug for your engine. It measures approximately 2.5 inches by 1 inch. The spark plug creates the spark that ignites fuel in your engine during the combustion process...
$4.99
In Stock
Lawn Mower Carburetor Overhaul Kit
PartSelect #: PS8984098
Manufacturer #: 498260
This is a replacement carburetor overhaul kit for your small engine. The carburetor is essential to the overall performance of your engine, and the carb can get clogged up over time for a variety of r...
$17.96
In Stock
Engine Float Valve Kit
PartSelect #: PS8963322
Manufacturer #: 398188
This needle and seat kit, also known as a float valve, is found in many types of liquid-fueled lawn equipment, such as carburetors. The valve regulates the flow of fuel into the float bowl. The needle...
$6.97
In Stock
Engine Crankcase Gasket
PartSelect #: PS9066140
Manufacturer #: 692232
This part is the replacement gasket for the crankcase on your engine. The gasket helps to create a seal on the crankcase and prevent leaks. If you notice that your engine is not running at peak perfor...
$6.39
Special Order
Lawn Mower Locking Ring Clip
PartSelect #: PS9052921
Manufacturer #: 65-2720
This OEM Locking Ring holds components or assemblies onto a shaft or in a housing/bore when installed in a groove. Installation is rated as "Easy" by customers and will require pliers. The part secure...
$5.95
In Stock
Engine Oil Seal
PartSelect #: PS8948679
Manufacturer #: 299819S
This OEM Oil Seal is an individually sold rubber part which is attached around the axis shaft on the crankcase housing to provide a proper seal. A broken seal will lead to a leak, and the part should ...
$5.99
In Stock
Engine Magneto Armature
PartSelect #: PS9044018
Manufacturer #: 590454
This genuine replacement magneto is designed for Briggs & Stratton engines used in Toro lawn mowers. It plays a vital role in the ignition system by generating the electrical current needed to fire th...
$63.38
Special Order
Lawn Mower O-Ring Seal
PartSelect #: PS8936675
Manufacturer #: 270344S
The O-Ring is a black rubber part, used to provide a seal between two pieces. It can be used in various locations on a variety of equipment. Installation is rate as "Easy" and will require a screw dri...
$3.99
In Stock
Exact Part matches for your search term
[Viewing 5 of 5]
CRANKSHAFT
This part number matches the current model number 20437
PartSelect #: PS8915061
Manufacturer #: 20437
No Longer Available
ASSM-TILLERSHAFT W/KEY #1104
This part number matches the current model number 20437
PartSelect #: PS9451653
Manufacturer #: 20437
No Longer Available
Lock Nut
This part number matches the current model number 20437
PartSelect #: PS12035534
Manufacturer #: 20437
$8.54
Special Order
Hhcs. .375-16 X 2.5 Gr 5 Z/P
This part number matches the current model number 20437
PartSelect #: PS16639102
Manufacturer #: 20437
No Longer Available
Rt Sd Plt Usa 500
This part number matches the current model number 20437
PartSelect #: PS18275316
Manufacturer #: 20437
No Longer Available
Common Symptoms of models starting with 20437
[Viewing 2 of 2]
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
replaced gasket that go's between the air cleaner housing and carb. cleaned housing and reinstalled with new air filter
Also replaced fuel tank , the built in fuel shut off started leaking , had to replace the tank. Ordered a new one Briggs & Stratton original equipment fit perfect . This is a 25 year old Briggs & Stratton lawn mower 3.5 HP, Runs perfect, starts by the 2nd crank every time. First time I ever had to spend money on it since I bought it new i
... Read more
n 1991
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Parts Used:
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Barry from FRANKFORT, KY
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Difficulty Level:Really Easy
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Total Repair Time:15 - 30 mins
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Tools:Nutdriver, Pliers, Screw drivers
12 of 14 people
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Smelled Gas Leaks
Inspected/removed fuel lines and found signs of leak. Removed and inspected carburetor and found that seals and gaskets were toast. Replaced said seals with ones from the kit that fit and replaced fuel lines.
Would be nice to have a fuel line kit with the big fuel line (tank to carb) and the little one (carb to engine) together ... Read more with all the necessary clamps.
Would be nice to have a fuel line kit with the big fuel line (tank to carb) and the little one (carb to engine) together ... Read more with all the necessary clamps.
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Parts Used:
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Jonathan from LIBERTY TWP, OH
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Difficulty Level:Easy
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Total Repair Time:30 - 60 mins
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Tools:Pliers, Screw drivers, Socket set
6 of 7 people
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Grandson lost the ignition key to my Toro!
No repair, lol! Just a perfect fit for my ignition :). I bought two in case my grandson gets curious again.
Parts Used:
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Michelle from AYLETT, VA
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Difficulty Level:Really Easy
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Total Repair Time:Less than 15 mins
12 of 28 people
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