Medium
30-60 minutes
It is a genuine item that is supplied by the original equipment manufacturer for use with Kohler engines commonly installed on lawn and garden equipment. The cam actuates rocker arms that press down on the valves, opening them. This is a high-quality replacement for a missing or a damaged arm-rocker that was originally installed on a new unit. Please make sure to check the appropriate diagrams of your model for the correct location and application of this part. Keep in mind this high-quality component is made of durable metal and is sold individually. A wrench set will be needed to take the engine apart when performing this repair.
Arm, Rocker 20 186 01-S
OEM part for: Kohler, Toro, Cub Cadet, MTD
Part Number: 20 186 01-S
$9.58
In Stock
Ships within 1 business day 
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Compatibility
This Arm, Rocker will fit the following 438 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Toro
Kohler
Cub Cadet
MTD
Show More Compatible ModelsThis item works with the following types of products:
- Lawn Tractor Parts
- Engine Parts
This part replaces obsolete part #: KH-20-186-01-S
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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.
broken rocker arm
Hyde - May 19, 2020
Tool Type
Lawn Tractor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Wrench Set, Adjustable Wrench, tourque wrench
followed the directions went very well we have some experience
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Intake rocker arm lost contact with intake valve, no start condition
Nate - June 6, 2017
Tool Type
Lawn Tractor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Wrench Set, Torx bit, in. lb.torque wrench
1. Remove cowl
2. Remove valve cover
3. Remove rocker pivot, rocker arm, and push rod, inspect and replace as needed.
4. Reinstall push rod, rocker arm and Rocker pivot
5. Adjust valve lash to .003 clearance and tighten set screw on rocker pivot to manufacture specs
6. Install valve cover and torque to spec
7. Install cowl
2. Remove valve cover
3. Remove rocker pivot, rocker arm, and push rod, inspect and replace as needed.
4. Reinstall push rod, rocker arm and Rocker pivot
5. Adjust valve lash to .003 clearance and tighten set screw on rocker pivot to manufacture specs
6. Install valve cover and torque to spec
7. Install cowl
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
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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