DAYUAN Engine Oil Pressure Test Kit — 0–10 bar (0–140 PSI) Gauge, 1.2 m Hose, 10 Adaptors

DAYUAN's Engine Cylinder Oil Pressure Diagnostic Tester Tool Set is a complete, portable kit for measuring engine oil pressure and checking low-oil warning devices with a shock‑protected dual‑scale gauge.

This professional diagnostic set combines a robust 0–10 bar (0–140 PSI) gauge, a long service hose, quick‑coupling fittings and ten common adaptors to make oil pressure checks fast and reliable on a wide range of cars and light commercial engines. The blow‑molded case keeps components organized for workshop or roadside use, while the heavy‑duty gauge cover protects the instrument from impact and dirt during transport and testing.

How does this kit measure oil pressure accurately?

The kit uses a shock‑proof, 80 mm diameter dual‑scale analog gauge that reads 0–10 bar and 0–140 PSI, allowing technicians to view results in the scale they prefer. Its mechanical design gives immediate, easily interpretable readings for pump performance and system pressure verification.

• Shock‑proof gauge with heavy‑duty protective cover for durability
• Wide 80 mm face for clear, fast readings
• Dual bar and PSI scales to suit regional preferences
• Direct connection to oil switch ports for minimal leakage and accurate response

What adaptors and fittings are included for different engines?

The set arrives with ten oil switch port adaptors covering both metric and imperial thread standards, plus quick coupling hardware to reach confined switches. That broad thread coverage reduces the need for extra parts when moving between European, Asian and North American engines.

• Metric adaptors: M10 x 1.0, M12 x 1.5, M14 x 1.5, M16 x 1.5, M18 x 1.5
• Imperial/NPT/UNF: 1/8" x 27 NPT, 1/4" x 18 NPT, 3/8" x 20 UNF, 1/2" x 20 UNF, R 1/8"
• Quick coupling adaptors for fast, leak‑resistant connections
• 90° coupling adaptor for hard‑to‑access switch ports

How does the kit reach deep or limited‑access oil switch locations?

A 1,200 mm flexible hose and a 90° coupling adaptor are included so you can access oil pressure switches positioned in tight engine bays or behind accessories. The extended reach design avoids disassembly in many cases and provides secure connections that maintain measurement accuracy.

• 1,200 mm hose to bridge distant or recessed ports
• 90° coupling for clearance around manifolds or brackets
• Quick‑disconnect fittings to speed up tests without tools
• Flexible hose routing prevents stress on adaptors and switch threads

What makes the kit practical for workshop use and storage?

The whole set ships in a blow‑molded case sized for bench or vehicle storage, protecting each component and simplifying transport. The case dimensions and internal layout keep the gauge, hoses and adaptors secure and ready for the next diagnostic job.

• Blow‑molded carry case for neat storage and protection
• Compact kit footprint: 39 x 31 x 8.5 cm for easy shelf or toolbox placement
• Organized compartments to prevent misplacement of small adaptors
• Durable materials suited to workshop environments

Who is this for: The DAYUAN Engine Cylinder Oil Pressure Diagnostic Tester Tool Set is designed for professional mechanics, service technicians, and knowledgeable DIYers who need reliable oil pressure diagnostics across multiple vehicle makes. It’s ideal when you require a rugged, portable gauge with broad adaptor compatibility to evaluate oil pump performance and low‑oil warning circuitry without extensive disassembly.