XSTARYE Compression Tester Kit 46PCS — Dual-Dial Gauge for Petrol & Diesel, 700 PSI/50 BAR, Leak-Down Tester

The XSTARYE 46-piece Compression Tester Kit is an all-in-one diagnostic set that measures cylinder compression, reveals leak-down percentage, and tests diesel fuel pressure for a wide range of gasoline and diesel engines.

This professional-grade kit brings three essential engine tests into one organized case so mechanics and DIYers can quickly evaluate cylinder condition without buying multiple tools. The set pairs a high-precision dual-scale compression gauge with a separate dual-dial leak detector and a selection of adapters that fit modern HDi, TDCi, PD (Pump Duse) systems and many older gasoline and diesel engines.

How does this kit simplify engine diagnostics?

The kit groups compression testing, leak-down measurement, and diesel fuel pressure checks into a single toolbox-friendly package. Instead of swapping between different instruments, you use dedicated adapters and gauges tailored for each test. Results are easy to read and comparable to standard service limits, helping prioritize repairs.

• 46 organized components in a molded case for quick access
• Dual-scale compression gauge up to 700 PSI / 50 BAR for accurate readings
• Separate leak-rate gauge that displays percentage (0–100%) for fast interpretation
• Adapters for glow plugs, spark plugs, clamp-on fittings, and right-angle access

What types of engines and systems are compatible?

The XSTARYE kit is built to work across a broad range of gasoline and diesel applications. Included adapter bodies and seals allow connection to glow and spark plug ports as well as clamp-on fittings for irregular openings. It covers HDi, TDCi, PD pump systems and older engine designs commonly encountered in workshop and field service.

• Adapters for diesel glow plugs and gasoline spark plugs
• Universal adapter body and clamp-on options for odd-fit ports
• High-pressure gauge suited for diesel compression profiles
• 1/4" US standard air inlet for shop air compatibility

How do the gauges and measurements work during testing?

The set contains two separate gauges: a large dual-scale compression dial (PSI and BAR) for cylinder pressure and a dual-dial leak-down tester that shows both input air pressure and leak percentage. Together they indicate whether loss is due to rings, valves, head gasket, or cracks by interpreting compression values and leak rates.

• Compression gauge reads up to 700 PSI / 50 BAR for diesel applications
• Leak-down gauge shows source pressure and leak rate percentage
• Clear, large dials reduce reading errors in busy shops
• Direct percentage output avoids manual calculation during diagnosis

What accessories come with the kit and how do they help on difficult jobs?

The kit includes a full complement of seals, O-rings, valve cores, Teflon tape, offset spanners and knurled grips to ensure reliable, leak-free connections in tight or recessed spark/glow plug wells. The molded case keeps components secure and organized for faster workflow and fewer lost parts.

• Sealing gaskets and multiple O-rings for pressure-tight fittings
• 0.43" / 0.47" double-offset ring spanner and right-angle adapters for tight spots
• Teflon tape and valve cores to maintain reliable connections during tests
• Custom molded compartments to protect and organize each tool

Who is this for: The XSTARYE 46PCS Compression & Leak-Down Tester Kit is designed for professional mechanics, fleet technicians, and experienced DIY enthusiasts who service a variety of gasoline and diesel engines. It’s ideal when you need a portable, complete diagnostic solution to identify worn rings, leaking valves, head gasket failures, or other cylinder sealing issues without purchasing separate instruments. The kit’s robust gauges and organized case make it suited for busy workshops, mobile technicians, and home garages where reliable, repeatable engine diagnostics are required.