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O-Ring

Part Number: A082777
Chicago Pneumatic
Availability: 25+ in stock
Price: $7.03
Order within the next 9 hours
and your part ships today!

*This part replaces obsolete part #: CA157201, C136940, C136939, CA146654 and C102551.

Product Information
Manufacturer: Chicago Pneumatic
Product Number: A082777
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide
Description:
This is a manufacturer sourced replacement part designed for use with Chicago Pneumatic ratchet/wrenchs. This o-ring provides an air-tight seal for the valve. Over time this o-ring will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. It is made out of rubber and it is sold individually.

Replacing this item you would need hex key/allen wrench and pliers to replace this item.
Frequently Purchased With
Compatibility

This part is compatible with the following machines:

Chicago Pneumatic
Expand the 65 compatible machines
Products Compatibility

This item works with the following types of products:

  • • Grinder
  • • Impact Wrench
  • • Ratchet Wrench
  • • Sander
  • • Screwdriver
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
2 of 2 people found this instruction helpful
Tool Type:
Ratchet Wrench
Parts Used:
Spring-Throttle - KF124390
Throttle Valve - KF125190
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Throttle valve cracked from age
Removed the throttle valve plug
Remove the old o-ring, spring and throttle valve
Installed the new throttle valve, spring and o-ring on the throttle valve plug and tightened it
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1 of 1 people found this instruction helpful
Tool Type:
Ratchet Wrench
Parts Used:
Spring-Throttle - KF124390
Throttle Valve - KF125190
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Adjustable Wrench
Bought as junk, tore it apart and went online to see what was missing. Worked when reassembled.
Cleaned the tool inside and out
Remove the throttle valve plug
Installed the throttle valve
Installed the spring
Put the o-ring on the valve plug
Dropped some air tool in it, hooked it up to the air hose, It ran like a new tool
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1 of 1 people found this instruction helpful
Tool Type:
Ratchet Wrench
Parts Used:
Throttle Valve - KF125190
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Pliers
Air Ratchet would not work, It had not been used in quite a while.
Replaced the Throttle Value and "O" Ring. The old ones had gotten Hard and cracked. It now works great.
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1 of 1 people found this instruction helpful
Tool Type:
Ratchet Wrench
Parts Used:
Throttle Valve - KF125190
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
The valve throttle in my 3/8 inch air ratchet wrench disintegrated after sitting for an extensive period of time.
Removed plug with the screwdriver. Replaced valve-throttle, O-ring, and plug. Lubricated the wrench with air tool lubricant. Worked perfectly. Straight forward repair using the diagram on the website. No issues.
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1 of 1 people found this instruction helpful
Tool Type:
Ratchet Wrench
Parts Used:
Throttle Valve - KF125190
Plug-Throttle Valve - KF134162
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Air tool trigger would not turn off or control tool.
Replaced plug throttle valve only a couple parts in there. It is a 20 year old CP air ratchet I was surprised you had parts for it. Easy cheep fix. I will always check eReplacementParts first.
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1 of 1 people found this instruction helpful
Tool Type:
Ratchet Wrench
Parts Used:
Throttle Valve - KF125190
Plug-Throttle Valve - KF134162
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Pliers
Unit wouldn't shut off
Unscrewed plug, removed spring, replaced sealing plug, re-assembled.
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Tool Type:
Ratchet Wrench
Parts Used:
Spring-Throttle - KF124390
Throttle Valve - KF125190
Plug-Throttle Valve - KF134162
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
No power and air leakage in air ratched wrench
1. Removed black plastic screw cap from body of wrench.
2. Removed old spring and plastic valve.
3. Cleaned valve seat.
4. Removed o-ring from plastic screw and replaced with new o-ring.
5. Put new valve, spring and cap screw in body
6. Test to confirm.
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Tool Type:
Ratchet Wrench
Parts Used:
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
More than 2 hours
Tools Used:
Screwdriver
air would pass trigger.
1. unscrew cap.
2. pull spring and debris.
3. clean area with denatured alcohol.
4. blow down with compressed air.
5. add new throttle valve to spring, with plumbers grease.
6. add o ring to outer housing, with plumbers grease.
7. screw down housing to snug, you are ready to play.
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Tool Type:
Ratchet Wrench
Parts Used:
Spring-Throttle - KF124390
Throttle Valve - KF125190
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
The trigger spring and valve were broke.
Took the old spring and valve body out and replaced it with new and a new "O" ring also.
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Thanks for voting and helping fellow customers!
Tool Type:
Ratchet Wrench
Parts Used:
Spring-Throttle - KF124390
Throttle Valve - KF125190
Plug-Throttle Valve - KF134162
O-Ring - A082777
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Air valve sticking
Removed old parts and installed new ones
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Reviews
4.7
Average Rating (out of 5):
3 Reviews
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  • Easy repair
    It was an easy repair and the part fit perfect
    Guest - September 24, 2021 Verified Purchase
    parts were exactly what I expected. Air wrench now works well
    parts were exactly what I expected. Air wrench now works well
    iGlobal - March 18, 2020 Verified Purchase
    Right part
    Fast delivery. Exactly what I needed.
    Guest - October 21, 2021 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Chicago Pneumatic
    Product Number: A082777
    Classification: Part
    Weight: 0.01 lbs.
    Shipping: Ships Worldwide

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