Overview
The Marshall WS00030 fuel pressure gauge delivers accurate, vibration-resistant pressure monitoring for carbureted and fuel-injected engines. This 0-30 PSI rated gauge combines durable construction with mechanical reliability, making it ideal for fuel system diagnostics and ongoing pressure verification.
Key Features
- Liquid-filled design: Liquid filled for shock absorption and vibration resistance during engine operation
- White dial face: High-contrast black numbers on white background for clear, easy readings
- Full-sweep mechanical movement: Responsive needle response without electrical connection required
- Chrome bezel: Polished 1.75″ OD bezel with professional appearance and corrosion resistance
- 1/8″ NPT center back connection: 1/8″ NPT Center Back Connection enables direct mount to fuel pressure regulators and test ports
- ANSI accuracy: ANSI grade accuracy 2% of span in the middle of the scale
Technical Specifications
- Pressure Range: 0-30 PSI
- Gauge Type: Fuel Pressure (Mechanical)
- Dial Size: 1-1/2″ (1.5″)
- Sweep: Full Sweep
- Dial Face Color: White
- Dial Number Color: Black
- Pointer Color: Black
- Bezel Material: Chrome
- Bezel OD: 1.75″ (45mm)
- Case OD: 1.6″ (40mm)
- Connection Type: 1/8″ NPT Center Back Male
- Filling: Liquid Filled
- Meter Movement: Mechanical (Bourdon Tube)
- Box Weight: 1 lb
Typical Applications
- Fuel system monitoring on carburetor and throttle body fuel injection engines
- Inline fuel pressure testing during diagnostics
- Fuel regulator outlet line pressure verification
- Custom automotive fuel system installations
- Marine engine fuel system monitoring
Compatibility & Replacements
Compatible With
- Any fuel pressure regulator with 1/8″ NPT outlet port
- Fuel system test ports and manifolds with 1/8″ NPT threaded connections
- Carburetor-fed and fuel-injected engine fuel systems (0-30 PSI operating range)
Replaces / Drop-In Replacement For
- Marshall MS00030 (black dial variant)
- Marshall MNS00030 (alternate black dial model)
- Marshall CF00030 (inline fuel gauge variant)
- Marshall CW00030 (general purpose 0-30 PSI gauge)
Works With
- Fuel pressure regulator lines (center-back mount orientation)
- Manual fuel system test kit equipment
- Engine tuning and diagnostic workbenches
