OTC Fuel Pressure Test Kit 5630 — 0–100 psi Gauge, Brass Fittings & Relief Valve

This compact kit gives technicians and advanced DIYers a fast, reliable way to check fuel system pressure under real operating conditions. The large, rubber-encased gauge is easy to read, while solid brass fittings, hose, and tubing resist corrosion and deliver consistent test results. A built-in pressure relief valve keeps testing safe and tidy, and the kit covers common passenger car and light-truck service needs with 0–100 psi (0–700 kPa) range.

How will this kit speed up fuel system diagnosis?

The OTC 5630 lets you measure static and running fuel pressure directly at service ports or test points, removing guesswork and avoiding unnecessary part removal. Within minutes you can confirm whether the problem is low pressure, insufficient flow, or intermittent pressure loss, so you know which component to replace or inspect further.

• Large 0–100 psi gauge for immediate visual readout
• Direct on-vehicle testing avoids disassembly
• Solid brass fittings ensure leak-free connections
• Pressure relief valve enables safe hose detachment

What components and vehicles is the 5630 compatible with?

The kit is suitable for many gasoline fuel systems on passenger cars and light trucks that use service ports or can be adapted with the included fittings. It diagnoses filters, pressure regulators, fuel lines, and in-line pumps when accessible test points are present.

• 0–100 psi range covers most gasoline fuel system tests
• Brass adapters fit common Schrader-style and threaded test ports
• Flexible hose and tubing reach hard-to-access service points
• Not intended for high-pressure direct-injection rails without proper adapter

How do I use the pressure relief valve and avoid spills?

The relief valve lets you safely bleed pressure before disconnecting the hose or fittings, preventing fuel spray. Open the valve slowly while the engine is off or at idle as directed, catch any fuel with a rag or container, and follow local fuel-handling safety practices.

• Close valve to perform pressure readings, open slowly to relieve pressure
• Use absorbent pad or container when venting fuel to prevent spills
• Wear eye protection and avoid ignition sources during testing
• Clean fittings after use to maintain leak-free connections

What build quality and features support long-term shop use?

OTC designed the 5630 for repeated service-bay use: the gauge housing is rubber-encased to resist impacts, and solid brass fittings minimize corrosion and wear. The hose and tubing are selected for flexibility and durability so the kit remains dependable across many service cycles.

• Impact-resistant rubber-encased gauge for workshop durability
• Solid brass fittings for long-lasting, corrosion-resistant connections
• Clear 0–100 psi and 0–700 kPa scale for consistent readings
• Compact kit layout for easy storage and transport

Who is this for: The OTC 5630 Fuel Pressure Test Kit is aimed at professional technicians, mobile mechanics, and experienced DIY enthusiasts who perform fuel-system troubleshooting on gasoline-powered cars and light trucks. It’s ideal for anyone who needs quick, accurate pressure checks to diagnose drivability issues, confirm repairs, or rule out fuel-supply faults without needless part removal.