Radiator stop-leak additives provide a practical solution for minor coolant leaks in vehicle cooling systems. These products flow through the system and form durable seals at leak sources, particularly effective for hard-to-reach areas like engine blocks and heater cores where traditional repairs are time-consuming and expensive.

• Seals leaks in hard-to-reach areas without disassembling the cooling system
• Works with all coolant types including ethylene glycol and propylene glycol
• Prevents further coolant loss to maintain optimal engine temperature
• Easy to use with simple pour into radiator or coolant reservoir
• Cost-effective solution for minor cooling system issues

Addresses water seepage at tank joints, small radiator perforations, and loose water pipe connections.

Ideal for long journeys away from maintenance facilities or when professional services are unavailable during nights or holidays.

Serves as temporary measure for vehicles with minor leaks that don't immediately affect driving performance.

Guangzhou Umiko Industrial Co., Ltd. is an integrated industry and trade enterprise specializing in automotive spray products, maintenance products, and daily chemicals. With over 30,000 square meters of production and warehousing area, the company holds ISO9001 quality management system certification and serves over 300 prefecture-level cities in China and 50+ countries worldwide.

Standard packaging includes cartons containing 24 pieces per carton. We arrange full container load shipping to destinations worldwide.

Yes, we offer professional OEM and ODM services with experienced teams to realize your product ideas.

We maintain professional QC teams throughout the production process and accept third-party inspections.

Standard lead time is 30 days, but this can be negotiated based on specific requirements.

We provide 2-3 free samples, but since most products contain pressurized gas (dangerous goods), customers must prepay the high courier costs.

We accept D/A, D/P, T/T, Western Union, and L/C payments.