The most complete 12V diesel kit short of continuous duty: filter, auto nozzle and long hose. Worth it for anyone fueling common-rail diesel equipment from a field tank.
Amazon $839.99The GPI G20 12V 20 GPM with Filter rates 3.9 among 12V DC fuel transfer pumps; the Piusi Panther EX72 120V 20 GPM Kit rates 3.3 among 115V AC ones. The GPI G20 12V 20 GPM with Filter costs $109.01 less ($839.99 vs $949).

A strong continuous duty mains pump with a meter at a fair price. The unpublished warranty keeps it behind Fill-Rite.
Amazon $949Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different power classes (12V DC and 115V AC), and each is scored against the reference points for its own class, so a rating says how well each does among its own power peers. How we rank explains each factor.
| Factor weight | GPI G20 12V 20 GPM with Filter | Piusi Panther EX72 120V 20 GPM Kit |
|---|---|---|
| Overall rating | 3.9/5 | 3.3/5 |
| Price 20% | 29 $839.99 | 28 $949 |
| Flow 25% | 75 20 gpm | 75 20 gpm |
| Duty cycle 15% | 50 30 min on, then rest | 100 continuous duty |
| Safety listing 15% | 100 UL listed, explosion-proof motor | 60 UL listed; explosion-proof motor not published, scored as none |
| Kit 10% | 68 auto nozzle, filter, suction pipe, 14 ft hose | 35 meter, 12 ft hose |
| Warranty 15% | 100 limited lifetime warranty | 0 warranty not published, scored as none |
Specifications
| GPI G20 12V 20 GPM with Filter | Piusi Panther EX72 120V 20 GPM Kit | |
|---|---|---|
| Pump | ||
| Power | 12V DC | 120V AC |
| Flow | 20 gpm | 20 gpm |
| Duty cycle | 30 min on | Continuous |
| Current | 34 A | 7.5 A |
| Max pressure | 12 psi | 25 psi |
| Max head | 15 ft | - |
| Mount | Bung | Bung |
| Safety | ||
| UL listed | Yes | Yes |
| Explosion-proof motor | Yes | - |
| Gasoline approved | Yes | Yes |
| In the box | ||
| Meter | No | Yes |
| Nozzle | Automatic | Manual |
| Hose | 14 ft | 12 ft |
| Filter | Yes | No |
| Suction pipe | Yes | - |
| Power cable | 18 ft | - |
| Build | ||
| Weight | 19 lb | 27.3 lb |
| Warranty | Limited lifetime | - |