Loctite Gasket & Sealing Kit – Professional Grade

Overview: The Loctite Gasket & Sealing Kit is a purpose-built assortment of professional-grade Loctite sealants and gasket makers, selected to cover every sealing scenario encountered in automotive, industrial, and heavy-duty maintenance work. From rigid metal flanges and high-temperature exhaust-side joints to flexible covers and oil-wet mating surfaces, this kit puts the right Loctite formula on the bench before the job starts.

Trusted by engine rebuilders, machine shops, fleet maintenance teams, and OEM production facilities, this curated selection eliminates the guesswork of sealant selection and ensures no job is delayed waiting on the right product.

Kit Contents:

• Loctite 5699 RTV Gray Silicone Gasket Maker – 80 ml (2 Count)
• Loctite 598 RTV Black Silicone Gasket Maker – 80 ml (2 Count)
• Loctite 587 RTV Blue High Performance Silicone – 80 ml (2 Count)
• Loctite 518 Red Gasket Maker Flange Sealant – 1.69 oz (2 Count)
• Loctite 515 Purple Anaerobic Flange Sealant – 1.69 oz (2 Count)
• Loctite High Flex Gasket Maker Flange Sealant – 50 ml (2 Count)

Product Application Guide:

• Loctite 5699 Gray – High-flexibility, high-performance silicone for large-clearance joints, timing covers, oil pans, and rigid housings where a durable formed-in-place gasket is required. Resistant to oil, coolant, and thermal cycling.
• Loctite 598 Black – High-performance RTV silicone for engine covers, valve covers, and gearbox sealing surfaces. Excellent resistance to motor oil and industrial fluids, with a wide temperature range.
• Loctite 587 Blue – Sensor-safe silicone formulated for use near oxygen sensors and catalytic converters. Ideal for exhaust manifold gasket replacement, intake manifold sealing, and emission-sensitive assemblies.
• Loctite 518 Red – Anaerobic flange sealant that cures in the absence of air between rigid metal flanges. Provides a hard, chemical-resistant seal for transmission pans, oil pump flanges, and precision machined mating surfaces.
• Loctite 515 Purple – Low-viscosity anaerobic flange sealant for close-tolerance machined flanges where thin film application is required. Ideal for hydraulic housings, pump bodies, and precision metal-to-metal joints.
• Loctite High Flex – Flexible anaerobic gasket maker designed for joints subject to differential thermal expansion, vibration, and dynamic movement. Bridges the gap between rigid anaerobic sealants and flexible RTV silicones.

Who This Kit Is For:

• Engine rebuilding and machine shops
• Fleet and commercial vehicle maintenance departments
• Industrial MRO and facility maintenance teams
• Transmission and drivetrain specialists
• HVAC and refrigeration technicians
• OEM and dealership service departments performing powertrain work

Key Benefits:

• Covers all major gasket sealing scenarios — RTV silicone, anaerobic flange, and high-flex applications — in one purchase
• Includes both sensor-safe and standard silicone formulations for emission-sensitive work
• Eliminates downtime from missing the right sealant mid-job
• Professional-grade Loctite products used in OEM assembly and certified rebuild facilities
• Compact and bench-ready for immediate use