Part Information
This carburetor needle valve kit (part number 631021B) is for lawn and garden equipment engines.
Carburetor needle valve kit 631021B is the inlet valve that opens and closes to control the flow of fuel into the carburetor. The kit may include multiple parts; refer to your parts diagram for a complete list of parts included.
Work in a well-ventilated area when installing this part. Drain the fuel tank and disconnect the spark plug wire before beginning the repair.
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Reviews
Lawn Mower Carburetor Rebuild
The use of 10% ethanol fuel in My Craftsman lawn mower had caused water to accumulate in the fuel bowl preventing it from running. I removed/disassembled the carb, cleaned everything in an ultrasonic cleaner with lacquer thinner, reassembled the unit with the new parts and now it works perfectly...only using ethanol free fuel from now on.
Ron, Larksville, Pa
4 people thought this review was helpful.
- Ease of Installation
- Moderate
- Duration of Installation
- More than 2 hours
Yes, I would recommend this to a friend
Works
Promptly delivered, parts as advertised.
None, Phx, AZ
3 people thought this review was helpful.
- Ease of Installation
- Easy
- Duration of Installation
- 30 minutes - 1 hour
Yes, I would recommend this to a friend
Easy to install.
Replaced o-ring on float bowl for carburetor. Simple task.
Appliance D, Auburn, IN
3 people thought this review was helpful.
- Ease of Installation
- Very Easy
- Duration of Installation
- Less than 30 minutes
.A perfect fit
With the assembly on a bench the new parts were easy to install and adjust.
stillabel12, Smithfield, Rhode Island
3 people thought this review was helpful.
- Ease of Installation
- Very Easy
- Duration of Installation
- Less than 30 minutes