Radiator Stop Leak Powder for Cooling System Repairs

A focused leak-control option

Target common leaks

The packaging specifically identifies radiators, heater cores, and antifreeze plugs. That clear range helps you match the product to a relevant cooling-system concern instead of reaching for a loose, improvised fix.

Carry compact backup

The 15 g tube takes little room in a garage drawer, workshop cabinet, or roadside maintenance kit. It is easy to keep close without carrying bulky repair supplies.

Use a sealed repair aid

The screw-top tube keeps the pale granular powder contained until it is needed. The matching carton adds clear product identification for organized maintenance storage.

Small format, clear purpose

• 15Gpowder per tube
• 0.53OZlisted tube weight

How to approach a coolant leak

1. 1
   Let the system cool

   Wait until the engine and cooling system are completely cool before opening, inspecting, or applying anything.

2. 2
   Confirm the fit

   Identify the suspected leak, check the vehicle guidance and coolant type, and confirm the product directions suit the situation.

3. 3
   Follow the directions

   Apply the powder only according to the printed instructions. Do not improvise the quantity or handling procedure.

4. 4
   Inspect what happens next

   Monitor coolant level and visible leakage after use. Continuing loss means the vehicle needs further diagnosis and mechanical repair.

Two compact essentials

• Stop leak powder tube×1

  Sealed translucent tube containing 15 g of granular repair powder.

• Retail carton×1

  Matching carton for product identification and organized storage.

When a small leak matters

The leak you cannot ignore

Coolant loss before a drive creates uncertainty fast. A damp radiator area, heater core concern, or antifreeze plug leak can mean repeated top-ups, messy checks, and worry about being stranded.

A compact response

RayHong Stop Leak Powder gives DIY owners and technicians a focused option for compatible radiator, heater core, and antifreeze plug leaks. The labeled application range makes it easier to identify whether this repair aid fits the situation.

Prepared, not improvised

The sealed tube takes little room in a vehicle kit, garage drawer, or workshop cabinet. Keep it ready for compatible cooling-system maintenance, while treating any continuing leak as a reason for proper diagnosis and repair.

Store it for the moment

• Keep sealed

  Leave the screw-top tube closed until it is needed.

• Store with carton

  Keep the tube and retail carton together for clear identification.

• Keep accessible

  Place it with vehicle or workshop maintenance supplies.

A compact tube for storage

• Powder-filled tubeProduct format
• 15 g / 0.53 ozNet quantity
• Tube and retail cartonPackage

Compact enough for a garage drawer, workshop cabinet, or roadside maintenance kit.

Prepared beats caught out