Weldon A2040-281-A-120 Bypass Fuel Pressure Regulator
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Weldon A2040-281-A-120 Bypass Fuel Pressure Regulator
High-flow return-style fuel-pressure regulator for compatible performance fuel systems, including sandcars, sandrails, race vehicles, and custom off-road builds.
Product at a Glance
| Brand | Weldon |
|---|---|
| Product Type | Fuel System |
| Part Number | A2040-281-A-120 |
| SKU | WELDON-A-2040-281-A-120 |
| Pressure Range | 0–110 psi |
Fuel-System Compatibility
Return-style regulator for compatible performance fuel systems. Verify pump flow, target base pressure, boost-reference requirements, fuel type, port sizing, and plumbing layout before ordering.
Key Specifications
- Return-style regulator
- 1:1 boost/vacuum pressure-rise ratio
- 0–110 psi adjustment range
- .281-inch bypass orifice
- Flow capability listed up to 6 gpm
- Two -10 AN O-ring pressure ports
- One -8 AN O-ring return port
- 1/8-inch NPT gauge port
- 1/8-inch NPT manifold-pressure reference port
- Billet aluminum construction with anodized finish
- Fluorosilicone diaphragm
- Rebuildable
- Compatible with gasoline, methanol, diesel, ethanol, and most racing fuels per the product specifications
- Fittings and mounting bracket are not included