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Your cart is empty.Marshall shock-proof pressure gauges have rugged construction and are liquid filled for vibration dampening. The LBB00100 Fuel Pressure Gauge has an easy vent plug for accurate readings every time and is silicone filled for vibration dampening. This high quality gauge also has a rugged Stainless Steel Case and Brass Internals, as well as a 1/8" NPT center back connection.
Semper Fi
2025-09-03 15:40:51
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Austin Gibson
2025-08-28 16:05:58
Even after the motor gets up to temp and the engine bay is hot the needle is steady and fairly accurate. I already had an aftermarket fuel rail and my regulator housing had a port for a gauge so this thing worked perfect for my purpose. Great product great price
Colby S
2025-08-12 20:42:11
WAY cheaper than other options and actually looks way better too. Marshall has been around long enough that I trust their products to deliver accurate readings. Fit my fuel pressure regulator perfectly, just make sure to use some PTFE tape on the threads as NPT threads are not self sealing.Liquid filling is very thick and doesn't vibrate around at all, looks extremely professional and high quality. Matches my aeromotive regulator too!
steve h
2025-08-06 20:03:26
Arrived on time and we'll packaged. I have not installed yet. We'll see on its accuracy.
James
2025-08-04 13:45:25
Easy install and looks great.
Devman
2025-07-19 11:29:54
Ive had this gauge since February of 2017. And i think it stopped reading properly about 6 months to a year ago (currently aug 2019). My fuel pump hasnt been workin properly for like a month now, its been whining and my digital fuel pressure gauge in the cabin on my 1 off quad gauge pod has been fluctuating from 55 psi to 85-90 psi, never really constant. Before the pump went bad it would maintain pretty much a steady pressure. But while my digital gauge is fluctuating all over the place, my analog marshall gauge Under The HOOD seems to be reading a steady pressure and i know thas not right cuz it misfires a little at idle and the pump is whining pretty loud and the fluctuating digital gauge reading of course. And the aftermarket PLX fuel pressure sensor is right next to the marshall fuel gauge as u can see in my pix. Now however the author of this listing has not mentioned anything about warranty on this listing so ill prolly jus get another one or something different unless the seller is willing to do an exchange.One other thing, you guys might be wondering why I capitalized "Under The HOOD" in my last paragraph. Well thats because this gauge belongs under the hood in front of the firewall not in the cabin. A couple ppl have posted that they have it in the cabin to monitor nitrous pressures or oil pressures or fuel pressures. You should not be running nitrous or fuel or oil lines into the cabin or past the firewall at all for that matter. The proper way to do it would be to get a sensor and then run wiring into the cabin. People that have these gauges in your cockpits please be extremely careful and triple check your lines and clamps and what not or do it the proper way and get a sensor and run wiring into the cabin.
Rudi L.
2025-07-08 14:01:33
i have this gage installed and it's good out of the box. no leaks and needle is steady, no pulsing etc. I have not run it very long so i can't give you any input on longevity etc. It is finished well so if looks are important the gage finish and fit are just fine. For the money it's a good piece. I will use this for initial setting and data until i have everything dialed on the fuel injection. After that my ECU will give me what i need.
Tripp Corbin
2025-07-03 17:20:25
I used this gauge as part of the conversion to a Holley Sniper EFI system on my 67 Mustang with an Inline 6 so I could monitor fuel pressure coming into the Sniper unit. The gauge is everything I expected. It was easy to install, easy to read, and is accurate. It seems to be quality construction well worth the cost and then some.I have only been running it for a couple of weeks now but so far so good. I would recommend it for this type of application for sure.
adam
2025-06-23 11:35:17
Just keep it hooked up in the engine bay along with my adjustable Fuel pressure regulator and it hasn't failed in over a year (probably 2 now)and no leaks. High quality item for sure. Would buy again.
David Pauze
2025-05-19 18:47:56
Lecture très claire et précise. C'est tout ce que je veux savoir!
Brent Walterhouse
2025-02-10 10:11:27
Accurate, used for oil pressure on a motorcycle.
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