The OTC Cooling System Tester, part number 6977, is a professional-grade diagnostic tool designed for precise cooling system pressure testing. Manufactured by OTC, this aftermarket kit adapts to cooling system hoses from 1/4" to 5/8" in diameter and is compatible with a wide range of vehicles including all models from Audi, BMW, Jaguar, Land Rover, Mercedes-Benz, Mini, Porsche, Saab, Volkswagen, and Volvo, within the verified year ranges.
Key Features:
- Hand pump with an easy-to-read integrated pressure gauge
- Padded base to protect vehicle surfaces during testing
- 36" integrated hose with quick-coupler for secure adapter connection
- Durable brass hose adapters with a banded spring clamp for reliable attachment
- Radiator cap adapter with quick connect fitting for older vehicles
Engineered for efficiency and reliability, the OTC 6977 provides technicians and enthusiasts with a trusted solution for identifying cooling system leaks and maintaining optimal vehicle performance.
Specifications
Product Type
Aftermarket
OE Part Number
6977
OEM
No
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