Permatex Optimum Black RTV Silicone Sealant 27037, 3.35 oz Tube

Permatex Optimum Black RTV Silicone Sealant Part Number 27037 is a high-performance, sensor-safe gasket maker designed for demanding automotive applications. The black RTV silicone formula cures into a flexible, durable seal that resists cracking, shrinking, and weathering, helping protect against leaks caused by vibration, temperature changes, and fluid exposure. It is suitable for forming reliable gaskets and sealing joints on many engine and mechanical components.
The 3.35 oz tube provides convenient application for repair, maintenance, and installation work, while the included two nozzles help support precise dispensing and replacement when needed. Apply the sealant to clean, dry, oil-free surfaces and allow it to skin before assembly according to the product instructions. Proper surface preparation and curing time help ensure a dependable seal and long-lasting performance.
Permatex Optimum Black RTV Silicone Sealant 27037 is an excellent choice for automotive technicians, repair professionals, and DIY users who need a versatile silicone sealant for gasket replacement and general sealing tasks. Its durable RTV formulation is designed to maintain flexibility after curing, making it well suited for assemblies exposed to movement, vibration, and changing operating conditions.

Features:

• Brand: Permatex

• Part Number: 27037

• Formula: Optimum black RTV silicone sealant

• Package: 3.35 oz tube

• Accessories: Includes two application nozzles

• Application: Forms flexible gaskets and seals automotive components

• Performance: Resists cracking, shrinking, vibration, and weathering

• Use: Suitable for automotive repair, maintenance, and general sealing applications