FUELAB Pressure Regulators

FUELAB™ 515/525 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSI to fuel injected applications up to 125 PSI. The 515 Series Fuel Pressure Regulator has a -6AN return port located on the bottom and the 525 Series has the same port in-line with the inlet port (not on the bottom) which allows for easy installation in extremely tight locations.

Fuel Pressure Regulator Features:
  • Two -6AN or -10AN inlet ports and one -6AN return port
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Billet Aluminum with anodize per military MIL-A-8625, Type II
  • Fine thread pitch for precise pressure adjustment
  • Versatile mounting bracket and stainless steel hardware
  • 1/8” NPT gauge port with plug for external pressure gauge
  • 1/8” NPT pressure reference port with barbed fitting
  • Backed by a 2-year limited warranty
51501-C -10AN Inlets / Standard Seat / EFI (25-90 PSID)
51502-C -6AN Inlets / Standard Seat / EFI (25-90 PSID)
51503-C -10AN Inlet/Outlet / Large Seat / Carbureted (4-12 PSID)
51504-C -6AN Inlet/Outlet / Large Seat / Carbureted (4-12 PSID)
51505-C-S-P -10AN Inlet Ports / Select Seat / Select Pressure
51506-C-S-P -6AN Inlet Ports / Select Seat / Select Pressure

The 525 Series has its return port in-line with the inlet port (not on the bottom) which allows for easy installation in extremely tight locations.

52501-C Standard Seat / EFI (25-90 PSID)
52502-C Large Seat / Carbureted (4-12 PSID)
52503-C Select Seat Size / Select Pressure Range

 

C = Color Code:
1 Black / Black
2 Red / Clear
3 Blue / Clear
4 Purple / Clear
5 Gold / Black
6 Green / Clear
S = Seat Size Code:
S Standard Seat (Return Orifice)
L Large Seat (Return Orifice)
P = Pressure Range Code:
L (Approx) 1-3 PSID
C (Approx) 4-12 PSID
T (Approx) 10-25 PSID
E (Approx) 25-90 PSID
G (Approx) 90-125 PSID

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