Fill-Rite FR4210H 12V 20 GPM
#2 in 12V DCFull review
For filling big diesel equipment from a truck tank. It pumps 20 gallons a minute for about $70 more than the 15 GPM FR1210H.
Amazon $570.31$570.31
The Fill-Rite FR4210H 12V 20 GPM and the GPI G20 12V 20 GPM with Filter are evenly matched, rated 3.9 and 3.9. The Fill-Rite FR4210H 12V 20 GPM leads on price. The GPI G20 12V 20 GPM with Filter wins on kit. The Fill-Rite FR4210H 12V 20 GPM costs $269.68 less ($570.31 vs $839.99).
GPI G20 12V 20 GPM with Filter
#3 in 12V DCFull review
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 $839.99$839.99
Prices 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.
Which should you buy?
- Choose the Fill-Rite FR4210H 12V 20 GPM for price ($570.31 vs $839.99).
- Choose the GPI G20 12V 20 GPM with Filter for kit (auto nozzle, filter, suction pipe, 14 ft hose vs suction pipe, 12 ft hose).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 12V DC fuel transfer pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Fill-Rite FR4210H 12V 20 GPM | GPI G20 12V 20 GPM with Filter |
|---|---|---|
| Overall rating | 3.9/5 | 3.9/5 |
| Price 20% | 48 $570.31 | 29 $839.99 |
| Flow 25% | 75 20 gpm | 75 20 gpm |
| Duty cycle 15% | 50 30 min on, then rest | 50 30 min on, then rest |
| Safety listing 15% | 100 UL listed, explosion-proof motor | 100 UL listed, explosion-proof motor |
| Kit 10% | 30 suction pipe, 12 ft hose | 68 auto nozzle, filter, suction pipe, 14 ft hose |
| Warranty 15% | 100 limited lifetime warranty | 100 limited lifetime warranty |
Specifications
| Fill-Rite FR4210H 12V 20 GPM | GPI G20 12V 20 GPM with Filter | |
|---|---|---|
| Pump | ||
| Power | 12V DC | 12V DC |
| Flow | 20 gpm | 20 gpm |
| Duty cycle | 30 min on | 30 min on |
| Current | 19 A | 34 A |
| Max pressure | 16 psi | 12 psi |
| Max head | 37 ft | 15 ft |
| Suction lift | 8 ft | - |
| Mount | Bung | Bung |
| Safety | ||
| UL listed | Yes | Yes |
| Explosion-proof motor | Yes | Yes |
| Gasoline approved | Yes | Yes |
| In the box | ||
| Meter | No | No |
| Nozzle | Manual | Automatic |
| Hose | 12 ft | 14 ft |
| Filter | No | Yes |
| Suction pipe | Yes | Yes |
| Power cable | 18 ft | 18 ft |
| Build | ||
| Weight | 35 lb | 19 lb |
| Warranty | Limited lifetime | Limited lifetime |