Easy
30-60 minutes
Kit, Repair Bowl Replacement 12 757 37-S
OEM part for: Kohler, Toro
Part Number: 12 757 37-S
$17.37
In Stock
Ships within 1 business day 
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Compatibility
This Kit, Repair Bowl Replacement will fit the following 482 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Kohler
Toro
Show More Compatible ModelsThis item works with the following types of products:
- Engine Parts
- Lawn Tractor Parts
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Lack of maintenance led to gummed up carburetor.
Henry - June 21, 2018
👍 2 of 2 people found this instruction helpful
Tool Type
Engine
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, Carb cleaner (dip and spray), small nylon scrub brush.
1) Removed cowl from mower for access to carburetor. Removed air cleaner.
2) Removed and disassembled carburetor paying attention to how throttle and governor linkages are hooked up. (A picture taken with phone is a handy reference for re-assembly.)
3) Cleaned carburetor as much as possible with spray carb cleaner, brush and shop air.
4) Placed metal parts of carb in dip basket, soaked in gallon of carb cleaner overnight to remove residue.
5) Reassembled carburetor using parts from repair kit and bowl replacement kit. The mower originally had a solenoid to close off fuel flow when shut off, this was replaced with a bowl mounting plug from the bowl replacement kit. (Replacement solenoid is $70, a $3 on/off valve in the fuel line performs the same function.
6) Cleaned all traces of old gasket from engine block, installed carb using new gasket.
7) Cleaned gas tank, replaced old fuel line and fuel filter. Installed in-line fuel shut off valve.
8) Installed air cleaner assembly, replaced old air filter & pre-filter.
9) Checked oil level, added fuel, and started mower.
10) Ran mower for a few minutes to bring oil up to operating temp. Shut off, drained oil, replaced oil filter and filled with fresh oil.
11) Started mower, let run for a few minutes to check for leaks, shut off fuel flow to carb and let run till motor dies from lack of fuel.
2) Removed and disassembled carburetor paying attention to how throttle and governor linkages are hooked up. (A picture taken with phone is a handy reference for re-assembly.)
3) Cleaned carburetor as much as possible with spray carb cleaner, brush and shop air.
4) Placed metal parts of carb in dip basket, soaked in gallon of carb cleaner overnight to remove residue.
5) Reassembled carburetor using parts from repair kit and bowl replacement kit. The mower originally had a solenoid to close off fuel flow when shut off, this was replaced with a bowl mounting plug from the bowl replacement kit. (Replacement solenoid is $70, a $3 on/off valve in the fuel line performs the same function.
6) Cleaned all traces of old gasket from engine block, installed carb using new gasket.
7) Cleaned gas tank, replaced old fuel line and fuel filter. Installed in-line fuel shut off valve.
8) Installed air cleaner assembly, replaced old air filter & pre-filter.
9) Checked oil level, added fuel, and started mower.
10) Ran mower for a few minutes to bring oil up to operating temp. Shut off, drained oil, replaced oil filter and filled with fresh oil.
11) Started mower, let run for a few minutes to check for leaks, shut off fuel flow to carb and let run till motor dies from lack of fuel.
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Leaking gas around the bowl
Christopher - August 25, 2021
Tool Type
Engine
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set, None
Parts Used
Removed bowl, put o ring on and retightened
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Carburetor selinoid was leaking gas
David - April 26, 2020
Tool Type
Lawn Tractor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Wrench Set
Parts Used
1. Removed selinoid and bowl and bowl gasket
2. Installed new bowl gasket, new bowl and bowl nut Plus gasket instead of selinoid and it’s gasket
3. Runs the same and no more leak
4. Just have to idle tractor after use for 30 seconds before shutting off to prevent back fire on shut down
2. Installed new bowl gasket, new bowl and bowl nut Plus gasket instead of selinoid and it’s gasket
3. Runs the same and no more leak
4. Just have to idle tractor after use for 30 seconds before shutting off to prevent back fire on shut down
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Carburetor bowl was leaking gas.Oil filter needed replacing.
Kevin - April 21, 2019
Tool Type
Lawn Tractor
Difficulty
Easy
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
Removed carburetor and old gasket material.Disassembled carburetor and cleaned thoroughly including all ports/jets.
Cleaned mating surface on engine .Reassembled carb. with new gaskets supplied in kit.
Cleaned pre-air filter and filter.Washed air filter intake assembly with foaming engine cleaner/rinse with water and let dry.
Reassembled carb. and intake assembly and filters to engine using gaskets supplied in kit.
Replaced old oil filter and oil.
Pretty straight forward and simple no hidden problems or anything complicated on this.
Kit was dead on with all the proper gaskets/no worries there.
Cleaned mating surface on engine .Reassembled carb. with new gaskets supplied in kit.
Cleaned pre-air filter and filter.Washed air filter intake assembly with foaming engine cleaner/rinse with water and let dry.
Reassembled carb. and intake assembly and filters to engine using gaskets supplied in kit.
Replaced old oil filter and oil.
Pretty straight forward and simple no hidden problems or anything complicated on this.
Kit was dead on with all the proper gaskets/no worries there.
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Solenoid on carburetor failed - no gas to carb.
Gary - July 3, 2017
Tool Type
Lawn Tractor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Wrench Set
Removed the gas line to the carb
Unplugged power wire to the solenoid
Used an open end box wrench to remove the solenoid
Removed old bowl gasket and installed new one
Re-attached bowl with new solenoid, tighten, and plug wire back in
Reattached gas line to carb
Unplugged power wire to the solenoid
Used an open end box wrench to remove the solenoid
Removed old bowl gasket and installed new one
Re-attached bowl with new solenoid, tighten, and plug wire back in
Reattached gas line to carb
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Bowl gasket damaged & hose rotted
Fred - September 13, 2016
Tool Type
Lawn Tractor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Socket set
Removed carb and replaced gaskets, removed breather hosed and replaced with new one.
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
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