I've used the Walboro 255 with stock lines/regulator and an analog fuel pressure regulator gauge right in the engine bay. No spikes, even when the pump is "hotwired" and the engine is off.
I have a used 200lph walboro. It’s got maybe 15-20k miles on it. Was 100% functional without issue when I pulled it.
Buy a Walbro brand replacement pump for your truck and youll never buy another pump again.
I used a Wallbro, have had very good luck with it.
I'm on my 5th year on Airtex in my gmt800 and gmt 400.
I used a Wallbro, but I think they make the Delco's.
The car doesn't like to start as quickly as it did with the two pump setup. As the car gets hotter and I do a few restarts while running errands the car is even harder to start. Yesterday resulted in me being stranded in my kid's daycare parking lot for about 5 minutes before it eventually started up again. The pump still fires like it should in the acc position and the car otherwise runs fine which tells me the fuel pump is doing its job.
I ordered an Airtex pump for a secondary vehicle I had and it didn’t make it two weeks. What a pisser.
I had the fuel pump die on my vehicle, I replaced it against my better judgement with an airtex (cheapo) pump because it was available and cheap. 6 months later I’m dead on the side of the highway again. Warrantied it with the same pump… lasted 4 months this time before I was stuck again. Replaced it with a delphi brand (oem supplier and almost 3x the price) and it lasted 6 years until I junked the vehicle due to rust.
Proper diagnostics aside, if you end up replacing the pump, stay away from Airtex.
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If choosing fuel pump across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare fuel pump across these categories:
In March 2026 on PartReview, fuel pump WALBRO were overall better than AIRTEX.
In March 2026 on PartReview, fuel pump WALBRO were overall more popular than AIRTEX.
By vote balance, fuel pump WALBRO surpassed AIRTEX:
By number of reviews, fuel pump WALBRO surpassed AIRTEX:
In March 2026, according to PartReview, fuel pump AIRTEX led more car-specific ratings than WALBRO:
AIRTEX are chosen by owners of cars such as: Jeep Grand Cherokee, Volkswagen Jetta, and others.
Fuel pump WALBRO have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of fuel pump AIRTEX with: DELPHI, Bosch, OEM Volkswagen.
Also available: comparisons of fuel pump WALBRO with: DELPHI, Bosch, OEM Volkswagen.
You can also see who is better among other fuel pump manufacturers: DELPHI or Bosch, DELPHI or WALBRO, DELPHI or OEM Volkswagen, Bosch or WALBRO, DELPHI or AIRTEX.
