Description
Comparison points and tradeoffs
When comparing Fuel Switch Shut-Off Valve Petcock Parts Replacement for DuroStar DS4000S, 3300 Running Watts/4000 Starting Watts, Gas Powered Portable Generator with other Gas Tanks options, use this source-backed detail as the primary discriminator: Thread size: M16 X 1.5MM (thread size about 5/8 in, thread pitch about 1/16 in).
Use this second fact to evaluate the tradeoff: Specification: Thread Size: M16 X 1.5mm (Thread Size about 5/8 in, Thread Pitch about 1/16 in). A third point to compare across alternatives is: Manufacturer Part Number: 9021-US989-11.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
| Manufacturer | USonline911 |
|---|---|
| Brand | USonline911 |
| Item Weight | 1.76 ounces |
| Country of Origin | China |
| Manufacturer Part Number | 9021-US989-11 |
High Quality Premium Standard Gas Fuel Tank Fuel Petcock/Fuel Valve Replacement for high performance generator.
If your generator has the dead start problems, you should try to replace your old fuel valve with our fuel valve, it will fix most of the start up problems.
Specification: Thread Size: M16 X 1.5mm (Thread Size about 5/8 in, Thread Pitch about 1/16 in).
Hex Cap Size: 22mm (about 7/8 in). Diameter of Fuel Outlet Pipe: M6 MM (about 15/64 in).
Source product highlights
About this item
- 100% Brand New and All parts are tested and quality controlled prior to shipment
- Thread size: M16 X 1.5MM (thread size about 5/8 in, thread pitch about 1/16 in)
- Hex cap size: 22 MM (about 7/8 in),diameter of fuel outlet pipe: M6 MM (about 15/64 in)
- The product is for real shooting, please check it carefully to make sure it is what you need.
- Packing including: 1 X Fuel Valve Assembly as images display




Alexis Kent –
Easy installation, great quality.
Bill the Home Repair Person –
Perfect match at a reasonable price. Delivery was a little slow but otherwise very satisfied.
Paul Hooper –
No issues installing in my generator. Old shut-off “handle” broke. Easy installation, works as intended. Yellow 4500 watt Champion generator.