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Oil Filled Fuel Pressure Gauge.
This 1-1/2" oil filled fuel pressure gauges are made to mount directly on the engine to read fuel or oil pressure.
How to install.
1. This gauge is designed for 1/8" NPT. In some
cases an adapter may be necessary.
2. Ensure the regulator is mounted with the gauge face vertical,
at right angles to the ground, with the Vent Valve at the top.
3. Apply Teflon sealing compound to insure a leak-free connection.
4. Install gauge into pressure port, being careful not to over tighten.
5. After installation, start engine and check all connections for leaks.
Note.
To vent the gauge case push the black band back covering the vent valve head and gently lift it up slightly, DO NOT REMOVE THE VALVE.
Once the valve is raised, gauge case pressure is again equalized to atmosphere, and reported pressure will be accurate. Please push the stem
back down and replace the black retaining band immediately after equalizing pressure to reseal the gauge and help retain the valve during vehicle
operation.
NOTE: This liquid filled gauge is not intended to be 100% full of liquid. When held vertical, the level can appear to be between 3/4 and 7/8 full.
NOTE: The gauge must be mounted with the gauge face vertical, (or as close to 90° to the ground as possible) with the vent on
top. This is to prevent the gauge from leaking during venting.
Usage.
Electric Fuel Pump
Diesel Trucks
Carburetor
craig
2025-09-04 10:03:03
Love it it tells me how high my fuel pressure is
charles Worley
2025-08-28 18:57:55
Fits perfectly
Customer
2025-07-04 18:56:34
Used this to replace a 30-year-old part that had failed. Works perfectly.
bobdoddle
2025-06-08 19:40:34
Guage works as designed
Gary A Luke (Slacker G guitar skills)
2025-05-22 16:00:45
I do not keep it inline with the system but it did tell me I had too much pressure out of the pump for my carb. Now it is a staple in my tool kit as there wasn't any other way to diagnose my problem other than a fuel pressure gauge.
F. Schuldt
2025-04-19 14:47:20
No way to really know if it's reading accurately without a calibration station, but it did read a pressure, and I used it to reset the pressure to what I wanted.Can confirm it reads pressure. It looks nice. It's cheap, so I was okay with getting it to use it only once or twice. Now it goes in the toolbox with the other tools used only infrequently.Hopefully next time it will also read pressure.
Neil Frank
2025-04-17 15:18:28
Installed on my car but the fuel pressure was jumping up and down so took it to a shop and had it checked out the pressure stayed even on there gauge
crawdadric
2025-04-08 14:31:12
Perfect fit, easy to read and made well.
Max D.
2025-03-27 13:57:49
Installed this gauge on my Glastron 4.3L inboard boat carburator line. Had some fuel starvation issues and wasn’t sure if the pump was falling or something else. Checked the accuracy with my snap-on gauge before installation and was as accurate as my 500$ gauge. Easy to see and accurate, would recommend
Raccoon
2025-01-20 15:39:23
I used this on my old 1968 Triumph Bonneville as an oil pressure gauge. Works great and is very easy to see.
david r.
2025-01-06 18:24:12
seems to be good quality
Sam Ferris
2024-11-19 14:09:41
Nice small gauge. Seems to work ok
Wally
2024-11-13 14:01:19
Looks fantastic in my 1975 Fiat Spider
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