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Weldon 2040 Series Fuel Pressure Regulators (FPR)

Available for Order


Weldon's standard 2040 Series Regulators are for use with Gasoline, Methanol, Diesel, Ethanol, and most racing fuels. We also stock Weldon's upgraded Teflon diaphragm T2040 regulators which are compatible with ALL racing fuel types.

For each diaphragm type, there are two regulator pressure options; please select from the drop-down menu:

The 2040-120 is for 30 to 110 PSI base fuel pressures and the 2040-200 is for 90 to 200 PSI base pressure applications.


.281" bypass orifice diaphragms Flows up to 6 GPM

1/8" NPT Gauge Port

1/8" NPT manifold pressure reference port

Fuel pressure increases on a 1:1 ratio with boost

Two -10 pressure ports / -8 return port

Billet Aircraft Aluminum with MIL-SPEC clear anodizing

For use with all Weldon pumps as well as pumps from other manufacturers

Keywords: A2040, T2040

Make things easy on yourself and avoid the frustration of fabricating a mounting bracket for your new Weldon fuel pressure regulator - we’ve done the work for you! Combo your regulator with one of our Billet Regulator Mounting Brackets, view moreHERE.

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