Engine Compression Tester and Cylinder Leak Down Tester Kit TU-21 Dual Gauge Leakdown Detector for Car Motorcycle Truck Gasoline Engine Pressure Diagnostic Tool

Engine Compression Tester & Cylinder Leak Down Tester Kit TU-21 – Dual Gauge Diagnostic Tool

Accurately diagnose engine health with this professional TU-21 compression and cylinder leak down tester kit. The dual-gauge design simultaneously displays cylinder pressure and leak rate, giving mechanics and DIYers a complete picture of engine condition — from worn piston rings to leaking valves — without guesswork.

Key Features

• 2-in-1 Diagnostic Kit – Includes both a gasoline engine compression tester and a dual-gauge cylinder leak down detector
• Dual Gauge Display – Simultaneously shows input pressure value and cylinder leak rate for fast, accurate diagnosis
• Pressure Regulating Valve – Pull to adjust input air pressure from compressor; push to lock — simple and precise
• Universal Push-On Connectors – Straight and angled types; no threading into spark plug wells required; fits nearly all gasoline engines
• Aluminum & Rubber Construction – Durable, lightweight materials built for professional shop use
• Carrying Case Included – Keeps all components organized, protected, and ready for the next job
• Wide Vehicle Compatibility – Suitable for cars, motorcycles, trucks, and most gasoline-powered internal combustion engines

Specifications

Use Cases

• Diagnosing low compression in car or motorcycle cylinders
• Identifying worn piston rings, leaking valves, or blown head gaskets
• Pre-purchase engine inspection on used vehicles
• Routine engine health checks in professional auto shops
• Motorcycle engine diagnostics before and after rebuilds