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Your cart is empty.Allstar 4 PSI Fuel Pressure Switch with 1/8 NPT Thread features a fuel pressure switch that has a 1/8 national pipe thread and features a 4 psi setting. It is backed by a 90-day limited factory warranty and sold individually.
Joe Abrahamson
2025-08-18 13:15:18
Works great!
Brock5250
2025-07-31 16:18:18
Fail 4 miles into the test drive. We installed this as a low fuel pressure warning light switch on a diesel truck. We installed a pressure gauge to monitor and test the switch. 4 miles into the test drive the warning light came on but we had 18psi of fuel pressure showing on the gauge. Tested the switch and it had failed, keeping the light on even with up to 22 psi of fuel pressure.
anon
2025-06-16 17:47:50
It started leaking 8 months after I purchased it. I expected it to last years. No warranty info available.
Biggus Dickus
2025-05-23 11:57:08
Worked for about 5 hours.
Rose Forbes
2025-02-16 19:13:51
Failed closed in less than 2 hours of operations!
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