ACDelco WF13K Coolant Test Kit

The ACDelco WF13K Coolant Test Kit is a professional-grade testing tool designed to quickly and accurately evaluate the condition of your engine coolant (antifreeze). Proper coolant maintenance is critical to preventing engine overheating, freeze damage, and corrosion — this kit gives you a fast, reliable way to verify your cooling system is properly protected.

Key Features:

• Tests coolant freeze protection level to ensure adequate cold-weather performance
• Checks coolant condition to identify degraded or contaminated fluid
• Compatible with standard ethylene glycol-based antifreeze/coolant formulations
• Simple, easy-to-use design suitable for professional technicians and DIYers
• Helps prevent costly cooling system damage from improper coolant concentration
• Compact and reusable design for shop or roadside use

The ACDelco WF13K is an essential tool for routine cooling system maintenance. Regular coolant testing helps extend the life of your water pump, radiator, heater core, and engine block by ensuring optimal coolant chemistry and freeze-point protection year-round.