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Prestone
11-Ounce, Radiator Stop Leak
- Mfg.#
- AS145R-6
- Sku#
- 3182375
- Quickly stops leaks in radiators, water pumps, and heater cores
- Protects against pitting and corrosion
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
RADIATOR SEALER Size Oz=11
Specifications
General
| Application | For heater cores, radiators and water pumps |
|---|---|
| Boiling point | 208-degree F |
| Color | Light Brown |
| Compositions | Bentonite Clay Magnesium Aluminum Silicate Proprietary Ingredients Sodium Nitrate Vegetable Fiber Quartz |
| Container Type | Bottle |
| Density | 1.0326 |
| Flammability Rating | 1 |
| Form | Slurry |
| Net Content | 11 oz |
| Odor/Scent | Slight Azole |
| PH Range | 7.5 to 9.5 |
| Pack Qty | 1 |
| Resists | Pitting, Corrosion |
| Suitable for | Radiators, Heater Cores, and Hoses |
| Type | Radiator Stop Leak |
Manufacturing Details
The following information is subject to change without notice
| Country of Origin | USA |
|---|---|
| Prop 65 Warning |
WARNING: This product contains clays which contain small amounts of crystalline silica, as do most natural minerals. Exposure to respirable crystalline silica in the normal use of this product is below the level posing a cancer risk, therefore, labeling is not required. - www.P65Warnings.ca.gov
|
| Shop USA | Yes |
Dimensions
| Size | 11 oz |
|---|
Related Documents
Msds (PDF)
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