A strong all-round 12V kit: faster than the 15 GPM pumps, hands-free filling and theft-resistant. Pick it if you fill several machines a day.
Amazon $614.99The GPI M-180S 12V 18 GPM and the Fill-Rite FR4211H 12V 20 GPM with Meter are evenly matched, rated 3.9 and 3.8. The GPI M-180S 12V 18 GPM leads on price. The Fill-Rite FR4211H 12V 20 GPM with Meter wins on flow. The GPI M-180S 12V 18 GPM costs $319.96 less ($614.99 vs $934.95).
For fleets and farms that fill big diesel machines and must track every gallon. Without that need, the FR4210H does the same pumping for much less.
Amazon $934.95Prices 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 GPI M-180S 12V 18 GPM for price ($614.99 vs $934.95).
- Choose the Fill-Rite FR4211H 12V 20 GPM with Meter for flow (20 gpm vs 18 gpm).
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 | GPI M-180S 12V 18 GPM | Fill-Rite FR4211H 12V 20 GPM with Meter |
|---|---|---|
| Overall rating | 3.9/5 | 3.8/5 |
| Price 20% | 44 $614.99 | 23 $934.95 |
| Flow 25% | 65 18 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% | 55 auto nozzle, suction pipe, 12 ft hose | 55 meter, suction pipe, 12 ft hose |
| Warranty 15% | 100 limited lifetime warranty | 100 limited lifetime warranty |
Specifications
| GPI M-180S 12V 18 GPM | Fill-Rite FR4211H 12V 20 GPM with Meter | |
|---|---|---|
| Pump | ||
| Power | 12V DC | 12V DC |
| Flow | 18 gpm | 20 gpm |
| Duty cycle | 30 min on | 30 min on |
| Current | 20 A | 19 A |
| Max pressure | 15 psi | 16 psi |
| Max head | 15 ft | 37 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 | Yes |
| Nozzle | Automatic | Manual |
| Hose | 12 ft | 12 ft |
| Filter | No | No |
| Suction pipe | Yes | Yes |
| Power cable | 18 ft | 18 ft |
| Build | ||
| Weight | - | 44.1 lb |
| Warranty | Limited lifetime | Limited lifetime |
