4PC TU-21 Cylinder Leak Pressure Gauge Automotive Tester
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Please contact us for bulk order enquiries.
Description
This professional cylinder leak down tester kit is designed to quickly and accurately diagnose engine condition by measuring cylinder leakage. It helps identify common issues such as worn piston rings, leaking valves, cracked cylinder heads, and blown head gaskets. Suitable for most petrol engines, it is ideal for automotive repair, maintenance, and inspection.
Features
Accurate detection of internal engine faults including piston ring wear, valve leakage, and head gasket failure
Dual gauge design with clear readings (0–100 PSI / 0–7 BAR) for precise diagnosis
Compatible with most cars, motorcycles, trucks, and RVs with 4-stroke petrol engines
1/4″ quick connect air fitting with built-in regulator for stable air pressure control
Durable brass fittings and reinforced rubber hoses for long service life
Includes blow-molded carry case for easy storage and transport
Specifications
Gauge Range: 0–100 PSI / 0–7 BAR
Adapter Sizes: 10mm, 12mm
Hose Length: 26cm / 42.5cm
Material: Brass, Rubber, Metal
Case Size: 290 × 230 × 70mm
Weight: Approx. 1.8kg
Air Inlet: 1/4″ Quick Connect
Package Includes
1 × Dual Gauge Leak Down Tester
1 × Long Pressure Hose
1 × Short Pressure Hose
1 × Adapter Set (10mm & 12mm)
1 × Carry Case
Reliable Tool Solutions for Trade, Workshop and Bulk Purchase
Built for automotive service, workshop operations, warehouse use and business procurement. Suitable for distributors, resellers, repair shops and professional buyers.
Business Pricing Access
Some prices and purchasing options may only be visible to approved account users. Please log in for trade pricing.
Login to View MoreStable Supply
Suitable for repeat ordering, workshop restocking and long-term purchasing.
Practical Design
Designed for efficiency, usability and real working environments.
Bulk Support
Available for wholesale, volume orders and reseller supply.
Wide Application
Suitable for automotive repair, workshop use, warehouse and maintenance.
Package Includes
- 1 x Main Tool / Tool Set
- 1 x Storage Box / Case
- 1 x User Manual
- Additional accessories depending on model
Application Scenarios
Frequently Asked Questions
Do you support bulk orders?
Yes. This product is suitable for wholesale and repeat purchasing.
Do I need an account to view prices?
Some pricing may only be available to logged-in users.
Can I contact you for business cooperation?
Yes. You can send an inquiry for bulk pricing and cooperation.
Need Trade Pricing or Product Support?
Contact us for wholesale inquiries, product information and business cooperation.
















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