

🛠️ Seal the deal with confidence—engineered for pros who demand peak performance!
LOCBONDSO Black RTV Silicone Sealant is a high-temperature, oil-resistant, and sensor-safe gasket maker designed for automotive and engine applications. It cures into a flexible, durable elastomer that withstands extreme heat up to 600°F and resists oil and water, providing a reliable seal for components like oil pans, manifolds, and gearboxes. Packaged in a convenient 3 oz tube, it dries quickly and fully cures within 24 hours, making it an essential tool for professional-grade engine maintenance and repairs.










| ASIN | B0D97W1NY2 |
| Best Sellers Rank | #26,358 in Automotive ( See Top 100 in Automotive ) #36 in Gasket Sealers |
| Brand | LOCBONDSO |
| Date First Available | July 11, 2024 |
| Full Cure Time | 18 Hours |
| Item Form | Paste |
| Item Weight | 3 ounces |
| Liquid Volume | 3 Fluid Ounces |
| Manufacturer | LOCBONDSO |
| Material | High Temp Silicone |
| Number of Items | 1 |
| Package Dimensions | 7.72 x 3.7 x 1.18 inches |
| Surface Recommendation | Automotive, Engine |
| Water Resistance Level | Waterproof |
M**E
Good product
Good product, meets specifications, I used it with my car's crankcase gasket, I've been using it for 2 months and there are no leaks
D**E
Todo perfecto gracias
H**I
It's very strong for leaking oil
It was very good 👍
A**N
Used it for my windshield gasket
It worked great for my Kia Spectra windshield gasket that kept coming off. When I purchased it, I did not realize it was going to be black and I have a white car, but I was able to get it on without messing everything up. It hardened pretty quickly and I am satisfied with the result.
R**T
Works good on oil pen gaskets
This works great, I used it to ensure no leakage from a new oil pan gasket on the front and the rear. The sealant starts setting up within minutes allowing installation to be done quickly. It's been just over a thousand miles since I have applied this and there is no leaks.
R**R
Not just for engines
I used this to replace a rubber seal on the door of a air fryer/oven. With its 600° heat resistance, it worked great.
C**A
Not being used as a gasket
I hope when I use it, it will self level. Not really using it as gasket material. That's why only 3\5. Nothing bad about the product. So just use it as intended and I bet it will be fine.
A**R
Smooth
Must have some good stuff
Trustpilot
1 week ago
3 weeks ago