Radiator Pressure Tester & Vacuum Cooling System Diagnostic Kit

Overview

This 27-piece cooling system diagnostic kit is purpose-built for fast, reliable radiator leak testing and coolant maintenance across domestic and foreign vehicles. Whether you're diagnosing a slow coolant loss or performing routine cooling system service, this kit provides everything needed to pressurize, vacuum-purge, and monitor your customers' cooling systems with confidence. Pair this with complementary diagnostics like an oil pressure tester set or fuel system pressure tester to round out your diagnostic bay.

Key Features

• Manual Pressure/Vacuum Pump: Hand-operated pump with integrated gauge; 0–35 psi (0–2.5 bar) measurement range for safe, controlled pressurization and vacuum purging
• 17 Color-Coded Radiator Adapter Caps: Precision-engineered, color-ringed adapters (red, green, yellow, blue, orange, purple, black) for quick, mistake-free cap selection across 30+ vehicle brands
• Dual Manifold Valve Assembly: Central vacuum/pressure regulator with two shut-off ball valves for precise system control and isolation
• Temperature Gauge: Dual-scale dial thermometer (°C/°F) with stainless-steel probe stem; essential for diagnostics related to thermostat function and coolant temperature verification
• Flexible Hose & Connectors: High-pressure blue hose, clear diagnostic tubing, and universal rubber adapters for secure, leak-free connections
• Protective Molded Carrying Case: Organized blue plastic case with latches and integrated handle for secure transport and shop organization

Business Advantages for Resellers

• High-Demand Diagnostic Tool: Cooling system diagnostics are a recurring revenue stream; this kit removes guesswork from leak detection and accelerates troubleshooting.
• Broad Vehicle Coverage: 30+ domestic and import brands (Toyota, Honda, Ford, BMW, Mercedes, Audi, etc.) in one kit—reduce SKU complexity while offering comprehensive coverage.
• Professional Presentation: Color-coded system and organized case convey quality and expertise to your customers; justifies premium pricing over generic alternatives.
• Quick Payback: Every pressure test job pays for itself; most shops recover kit cost in 5–10 diagnostic calls.
• Bulk Order Opportunity: Service centers, fleet maintenance operations, and training facilities purchase these in multiples for multiple bays.

Technical Specifications

Specification	Value
Kit Piece Count	27 pieces
Pressure Range	0–35 psi (0–2.5 bar)
Pump Type	Manual hand-operated
Radiator Adapter Caps	17 color-coded units (red, green, yellow, blue, orange, purple, black)
Temperature Gauge	Dual-scale (°C/°F); max. ~200°C / 400°F
Manifold Valves	Two red-lever shut-off ball valves
Primary Hose	High-pressure blue flexible hose with brass fittings
Secondary Tubing	Clear diagnostic hose; universal rubber cone adapter
Case Material	Molded blue plastic with latches and carry handle
Vehicle Compatibility	30+ brands: Jeep, Peugeot, Subaru, Chrysler, Acura, Mitsubishi, Nissan, Mazda, Toyota, Infiniti, Suzuki, Isuzu, Honda, Lexus, Volvo, Saab, Citroën, Renault, Fiat, Alfa Romeo, Mini Cooper, VW, BMW, Ford, Opel, Porsche, Audi, Mercedes-Benz, Dodge, Pontiac, Chevrolet, Geo, GM, Kia, Land Rover, Ssangyong

Why This Kit Delivers Value

For the Mechanic: Pressurization reveals internal leaks that visual inspection misses. The vacuum function purges air pockets from the cooling system—critical for preventing hot spots and overheating after coolant service. Temperature measurement verifies thermostat operation.

For the Shop: A cooling system pressure test is a quick diagnostic (15–20 minutes) that often leads to additional work: hose replacement, radiator repair, water pump service. This kit pays for itself and builds customer trust through transparent diagnostics.

For Your Margin: Cooling system diagnostics command $75–150 per job in most markets. A single technician performing 10 tests per month generates $9,000–18,000 in annual revenue, with minimal tool cost.

Application & Installation

1. Select the appropriate color-coded radiator adapter cap for the vehicle's cooling system inlet.
2. Thread the adapter onto the radiator filler neck (or reservoir cap, depending on vehicle design).
3. Connect the pump hose to the adapter.
4. For pressure testing: Pump slowly to 15–20 psi; observe gauge for pressure drop (indicating leaks) over 60 seconds.
5. For vacuum purging: Use the pump's vacuum cycle to remove air pockets from the cooling system before or after coolant replacement.
6. Monitor the temperature gauge during extended running to confirm thermostat response and proper circulation.
7. Use the shut-off valves on the manifold to isolate sections for targeted testing.

Call to Action

Stock this kit in multiples. Cooling system diagnostics are fundamental to every shop's service offering, and this 27-piece configuration covers the vast majority of vehicles on the road. Resellers report quick turnaround and repeat orders from service centers upgrading or equipping multiple bays.

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Ready to add diagnostic capability to your inventory? Order in bulk to maximize margin and ensure your customers have professional-grade cooling system diagnostics at their fingertips.