Stant 12028 Cooling System Adapter

Radiator Cap Tester Adapter Overview

This Stant cooling system adapter is made for use with the Stant 12270 pressure tester and includes a seal for a secure connection. It is a direct-fit service tool component for Volkswagen cooling system testing, including applications for the EuroVan, Cabrio, Golf, Jetta, Passat, and Corrado.

Key Features

• Made for use with the Stant 12270 pressure tester
• Durable adapter construction for service use
• Includes seal for a tighter tester connection
• Supports radiator cap and cooling system pressure testing
• Fits Volkswagen service applications across multiple model years

Detailed Description

Stant part number 12028 is a cooling system adapter used with the Stant 12270 pressure tester to connect the tester to the proper radiator cap or cooling system interface. The durable construction and included seal help create a dependable test setup for diagnosing cooling system pressure loss, cap sealing concerns, and related service issues. This adapter is listed for Volkswagen EuroVan, Cabrio, Golf, Jetta, Passat, and Corrado applications, making it a practical service tool for shops working on these vehicles. Part number 12028 is also a useful reference when sourcing the correct Stant adapter for the same testing setup.

What It Is Used For

• Locating cooling system pressure loss
• Checking radiator cap sealing performance
• Diagnosing leaks in the cooling system test setup
• Supporting pressure testing during routine service
• Matching the correct adapter to the Stant 12270 tester

Installation Notes and Tips

Use this adapter only with the specified Stant pressure tester. Confirm the radiator cap or cooling system connection point is clean before testing, and verify the seal is seated correctly before pressurizing the system. Fitment is listed for Volkswagen EuroVan, Cabrio, Golf, Jetta, Passat, and Corrado applications; review the vehicle listing and service procedure before use. Part number 12028 should be matched to the tester and application before beginning diagnosis.

Quality Assurance

Stant supplies service tools and cooling system components used in professional diagnostic work. This adapter is built for pressure testing applications and is identified by part number 12028 for accurate ordering and service reference.