Finding a dependable fuel petcock is essential for easy generator maintenance and safe operation. The following selections cover a range of popular OEM and aftermarket options compatible with many Predator, Generac, Honda, Champion, and other brands. This guide highlights each product’s key features, sizing, and compatibility to help you choose the right shut-off valve or petcock for your generator’s fuel system.
| Product | Brand | Key Sizing | Compatible Engines | URL |
|---|---|---|---|---|
| Savior Generator Petcock Fuel Valve | Savior | 16mm x 1.5mm; 22mm hex | Predator, various 5.5–16HP Generators; Honda models listed | Link |
| YAMAKATO Predator / Generac Petcock | YAMAKATO | 22mm hex; M16x1.5mm | Predator, Generac GP series, many listed brands | Link |
| YGQ Generator Petcock 310574GS | YGQ | M10 x 1.25mm | Champion, Generac, Firman, DuroMax, etc. | Link |
| YAMAKATO 310574GS / 310573GS Variety | YAMAKATO | M10 x 1.25mm | Champion, Generac, Briggs & Stratton, Honda and more | Link |
| YGQ M16X1.5mm Petcock For Predator / Generac | YGQ | 16mm x 1.5mm; 22mm hex | Predator, Generac, Honda, Centurion, Duromax, and more | Link |
Each option offers a different thread size and compatibility set, so confirm your generator’s fuel tank inlet size and existing valve type before purchase. The following sections highlight five strong choices to consider for a broad range of generator models.
Savior Petcock Fuel Valve For Generators
The Savior petcock features a 16mm x 1.5mm threading with a 22mm hex nut, designed for a broad range of Predator, GP-series Generac, and Honda generator models. It is marketed as a gas tank fuel switch valve and pump petcock suitable for many HP ranges, including common 5.5–16HP engines. When selecting this valve, carefully compare the nut size with your original to ensure proper fitment and sealing.
YAMAKATO Predator And Generac Petcock
This OEM-style petcock from YAMAKATO includes a 22mm nut and an M16x1.5mm thread option, plus a generator fuel tank filter in the kit. It’s compatible with a wide range of models, including Honda EU3000i, Generac GP5000/5500/6500/7000/7500/8000 series, and Predator and other brands. The valve is designed for easy twisting with moderate resistance, making maintenance straightforward while maintaining a secure seal in most standard gasoline tanks.
YGQ 310574GS Petcock For Generac And More
The YGQ 310574GS valve uses an M10 x 1.25mm thread and includes compatibility with Champion and Generac models among others. The kit often lists replacement part numbers such as 310573GS and 193272GS, and can include a fuel filter. It is suitable for numerous generators from 3kW to 9kW and higher, providing a flexible option when OEM parts are scarce or discontinued.
YAMAKATO 310573GS / 209417GS Family
These YAMAKATO variants feature M10 x 1.25mm threads and offer a petcock with a built-in fuel tank filter. They’re compatible with a broad roster of generators including Honda EU-series, Champion ST168FD variants, and various Generac and Briggs & Stratton models. The kit commonly contains a filter and is designed for easy installation with modest twisting resistance, suitable for gravity-fed configurations.
YGQ M16X1.5mm Petcock For Predator / Generac
This YGQ valve uses a 16mm x 1.5mm thread with a 22mm hex nut and includes a 30cm fuel line in some listings. It lists compatibility with Generac GP-series, Predator, Honda, Centurion, Duromax, and ETQ models. It is designed for generator fuel shut-off valves and supports both 0J0974-style replacements and similar OEM part numbers.
Suptizizkz 16mm Petcock For Generators
The Suptizizkz petcock has a 16mm x 1.5mm thread with a 22mm hex nut. It targets a broad range of generators from 3500W to 9000W and 5.5HP to 16HP, including GP5000/GP6500 series and XT8000E. The valve is designed for compatibility with various brands, and its kit emphasizes straightforward installation and reliable shut-off performance across multiple models.
YAMAKATO Predator / Centurion Petcock (Female M16X1.5mm)
This YAMAKATO valve is advertised for Predator, Centurion, Honda, Westinghouse, Duromax, and various other brands. The female M16X1.5mm thread and included fuel line connections make it a flexible option for gravity-fed fuel systems. It is positioned as a practical replacement for multiple OEM petcocks across the generator market.
Buying Guide: Key Purchase Considerations
- Thread size and compatibility: Confirm the exact thread dimension (for example M10 x 1.25mm, M16 x 1.5mm) and whether your tank uses a 22mm hex nut or another size. Mismatched threads can cause leaks or poor shutoff performance.
- Valve type and flow: Most petcocks are designed for gravity-fed systems. Check whether the unit is suitable for your generator’s fuel pressure and tank orientation. Some kits include a fuel line for convenient installation.
- OEM vs aftermarket: OEM parts tend to ensure exact fit, but aftermarket options often provide broader availability and cost benefits. Assess warranty, return policy, and compatibility coverage when choosing.
- Material and seal integrity: Look for corrosion-resistant materials and dependable seals to resist ethanol-blended fuels common in many regions. A good seal prevents leaks during storage and operation.
- Installation scope: Some listings include filters or additional fittings; others are straightforward valves. Ensure you have the necessary tools and space to install or replace the valve in your generator’s fuel line.
- Model coverage: If you own a model from Predator, Generac, Champion, Honda, Westinghouse, or Briggs & Stratton, verify that the chosen part explicitly lists compatibility with your model or engine series.
- Safety and maintenance: A properly functioning petcock enhances fuel management and reduces fuel leakage risk. After installation, test the system for leaks and confirm that the shut-off works smoothly in both on and off positions.