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EXPANSION TANK ADAPTER*NLA - Sir Tools

Part #: VZ32

The Sir Tools VZ32 Expansion Tank Adapter is an essential specialized tool engineered for professional automotive and industrial technicians, designed to streamline precise cooling system diagnostics and maintenance. This adapter ensures a secure, leak-proof connection to a vehicle's expansion tank, enabling accurate pressure testing, efficient coolant filling, and thorough air bleeding procedures. Crafted for durability, it provides a reliable interface for critical cooling system service.

Key Features

  • Secure, Leak-Proof Connection: Engineered to establish a robust and reliable seal with the expansion tank, this adapter prevents coolant loss and maintains system integrity during service procedures.
  • Durable Anodized Aluminum Construction: Built from high-quality, corrosion-resistant anodized aluminum, the VZ32 is designed to withstand the demanding conditions of automotive fluid environments and rigorous workshop use.
  • Precision Threaded Engagement: Specifically tailored for threaded expansion tank necks, guaranteeing an accurate and stable interface for various cooling system tasks.
  • Versatile Tool Interface: Designed to connect seamlessly with industry-standard coolant system pressure testers and vacuum fill tools, enhancing its utility in a professional setting.

Applications

This Sir Tools VZ32 Expansion Tank Adapter is a versatile solution for critical cooling system service procedures across various vehicle makes. It enables technicians to accurately pressurize the cooling system to identify leaks in radiators, hoses, and connections, streamlining diagnostic efforts. The adapter also facilitates the testing of the expansion tank cap's blow-off pressure and seal integrity. Furthermore, it is essential for creating a sealed system necessary for efficient vacuum filling and effectively bleeding air from the cooling system after repairs or maintenance.

The VZ32 is applicable for ML Class models from 1998 and later with male threads on the expansion tank filler neck. This professional-grade expansion tank adapter is also suitable for a wide array of vehicle models, including BMW models from 1987 onwards (such as the 3, 5, 6, and 7 series) and Mercedes-Benz E-Class models from 1996 onwards, as well as other European makes like Audi, Porsche, and Volkswagen.

Only 1 left in stock - order soon

$35.79

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This product was added to our catalog on Saturday 11 July, 2026.

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