Part Location Diagram of 2505021-S Kohler Filtr:fuel 75 Micron (gravty F
See part H in the diagram
( Grid squares measure 1x1 inch )

Filtr:fuel 75 Micron (gravty F 2505021-S

Manufactured by:
Kohler
ERP Number:
ERP9929198
Part Number:
2505021-S
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Delivers in 3-5 Business Days!

Easy 

1- 2 hours 

(5 rated repairs) ?

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Troubleshooting

This part works with the following brands:
  • Kohler
  • MTD
  • Cub Cadet
  • Yard Man
This part works with the following products:
  • Engine
Part# 2505021-S replaces these:
  • 25 050 21-S

Customer Part Reviews

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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.

Easy 

1- 2 hours 

(5 rated repairs) ?
  • 1
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Lack of maintenance led to gummed up carburetor.

Henry from Mooresville, North Carolina

3 of 3 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
More than 2 hours
Tools:
Nutdriver, Pliers, Screw drivers, Socket set, Wrench set
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.
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Sat too long this last winter, also mice made a hotel in the engine compartment.

Ray from Celeste, Texas

3 of 3 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Screw drivers, Socket set, Wrench (Adjustable), Wrench set
Simple, drill down method. Start at the top, remove the old, eaten, or otherwise worn out items until satisfied with whats left. Reinstall in reverse order, test run, mow yard.
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poor carburetor performance/difficult to start

James from DEMING, Washington

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers, Socket set
Parts Used:
2505021-S
1. Remove air filter cover and air filter.
2. Be sure fuel tank is empty. (I turn it sideways below the steering column so the outlet is below the fuel filter.)
3. Remove fuel filter from fuel line and disconnect fuel line from carburetor.
4. Remove ground wire and disconnect wiring from bottom of carburetor float bowl.
5. Use socket or nut driver to remove 2 nuts holding carburetor on engine.
6. Gently slide carb off bolts and carefully remove choke and throttle cables (requires some jiggling around).
7. Reverse steps to install carburetor.
8. Install new fuel filter in fuel line (be sure flow arrow is correct).
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Parts fit & worked great

Faye from New Park, Pennsylvania

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Socket set
Used gaskets, fuel filter & heat shield as part of a carburetor freshen up on a MTD Yardman with Kohler 15 HP engine. Parts fit great, did have to trim the \"ears\" off the heat shield with a dremel tool to make the carburetor linkage clear...but that only took a minute & the old tractor fired right up & is running great!

I\ 'll definitely use e-replacement parts again!
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Fuel getting into the oil from a bad carburetor.

Lance from Harker Heights, Texas

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers, Socket set
Parts Used:
2505021-S, 1208312-S
Be careful not to damage the small plastic insert from the throttle linkage on the carburetor and the other end of the throttle arm as these parts do not come with the kit.
To remove a carburetor and put a new one on is a easy job, will need a mm socket set. The engine on the lawn tractor started up first time with no problems.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP9929198
Manufacturer Part Number: 2505021-S
Brand Model Number Description
Yard Man 13AX615G055 Lawn Tractor - Lawn Tractor
MTD 13AX771S004 Lawn Mower - 42" Lawn Tractor
MTD 13AX79TH090 Lawn Tractor Accessories - Misc Tool
MTD 13AX915T004 Lawn Tractor - Ride on Mower
MTD 13WX791T031 Lawn Mower - Lawn Mower
Kohler 26502 Engine - Snapper
Kohler 26503 Engine - Fhp
Kohler 26504 Engine - Fhp
Kohler 26505 Engine - Toro
Kohler 26506 Engine - Toro
Kohler 26508 Engine - Fhp
Kohler 26509 Engine - Fhp
Kohler 26510 Engine - John Deere
Kohler 26513 Engine - John Deere
Kohler 26516 Engine - John Deere
Kohler 26517 Engine - Husqvarna
Kohler 26519 Engine - Shandong
Kohler 26520 Engine - Shivvers
Kohler 26521 Engine - John Deere
Kohler 27502 Engine - Fhp
Kohler 27504 Engine - Mtd
Kohler 27506 Engine - Husqvarna
Kohler 27507 Engine - Husqvarna
Kohler 27508 Engine - Husqvarna
Kohler 27509 Engine - John Deere
Kohler 27511 Engine - Husqvarna
Kohler 27512 Engine - Basic
Kohler 27513 Engine - Scag
Kohler 27516 Engine - Husqvarna
Kohler 27517 Engine - Mtd