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🛠️ Fix it once, drive forever – the ultimate seal for your engine’s heart
K-Seal ST3501 is a professional-grade, permanent head gasket sealer with 33% more sealing power than standard formulas. It effortlessly seals leaks up to 0.64mm in size using ceramic micro-fibres, compatible with all coolant types and engine materials. Trusted by mechanics and millions worldwide, it requires no system draining—just shake, pour, and go for a cost-effective, long-lasting engine repair.





| ASIN | B00QYZIVA6 |
| Best Sellers Rank | #8,817 in Automotive ( See Top 100 in Automotive ) #70 in Oil & Fluid Additives |
| Brand | K-Seal |
| Customer Reviews | 4.0 4.0 out of 5 stars (2,069) |
| Date First Available | 4 February 2015 |
| Item Weight | 454 g |
| Item model number | KSLST3501 |
| Manufacturer | Solv-Tec |
| Manufacturer Part Number | KSLST3501 |
| Model | ST3501 |
| Product Dimensions | 6.35 x 6.35 x 20.32 cm; 453.59 g |
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