IWH K-Seal Universal Coolant Leak Repair, 236 ml Radiator Sealant, Stops Leaks in Radiators, Head Gaskets, Heater Cores, Water Pumps, Engine Blocks, Freeze Plugs, Permanent Fix, Mixes with All Coolants, Non-Clogging, Pour-and-Go, 1 Piece (968154)

K-Seal Universal Coolant Leak Repair offers a permanent solution for coolant system leaks without the need for draining or flushing. Unlike temporary stop-leak products, its micro-fiber and ceramic formula chemically bonds to metal, plastic, and aluminum surfaces, sealing leaks in radiators, head gaskets, heater cores, water pumps, engine blocks, and freeze plugs. Simply pour the 236 ml bottle into the coolant reservoir and drive—repairs often begin within minutes. Safe for all engine types and compatible with every antifreeze/coolant, it will not clog the cooling system.

Highlights

• Permanent repair for radiator, head gasket, heater core, water pump, engine block, and freeze plug leaks
• Micro-fiber and ceramic formula bonds to metal, plastic, and aluminum
• Pour-and-go application: no draining or flushing required
• Mixes with all types of antifreeze/coolant
• Non-clogging and safe for all engine types
• Treats cooling systems up to 20 liters
• Repairs leaks often within minutes

In daily use

K-Seal is designed for quick, hassle-free leak repair. When a coolant leak is detected, simply shake the bottle, pour the entire contents into the cooling system, and continue driving. The sealant circulates with the coolant, seeking out leaks and forming a permanent seal. There is no need to drain the system or flush it afterward. The product works with all coolant types and will not clog narrow passages, making it suitable for modern engines with complex cooling systems.

Full specifications

• Product type: Coolant system leak repair
• Volume: 236 ml
• Application type: Universal
• Coolant compatibility: All types of antifreeze/coolant
• Repair permanence: Permanent
• Target leak locations: Radiator, head gasket, heater core, water pump, engine block, freeze plugs
• Formula technology: Micro-fiber and ceramic
• Application method: Pour-and-go (no draining required)
• System safety: Non-clogging, safe for all engine types
• Treatment capacity: Up to 20 liters
• Material compatibility: Safe for aluminum, plastic, and metal components
• Action time: Repairs leaks often within minutes
• Form: Liquid
• Units per pack: 1
• Special feature: No need to flush system
• Special feature: Mixes with all coolants
• Special feature: Does not clog cooling system

Final note

K-Seal Universal Coolant Leak Repair is a reliable, permanent fix for coolant leaks, offering a simple pour-and-go solution that works with all engine types and coolants.