Permatex The Right Stuff gasket maker 5 oz — 2-pack with caulking gun, instant-forming sensor-safe sealant

Permatex The Right Stuff 99070 is a high-performance, formed-in-place gasket maker that creates instant, durable seals allowing immediate reassembly without waiting for cure.

Designed for automotive, heavy-duty, and marine service, this 5 oz two-pack includes a caulking gun to apply an elastomeric gasket that resists blowouts, vibration, and thermal cycling. The formula is used on OEM production lines and specified for service parts programs, offering long-term resistance to oil, coolant, ATF and most shop fluids while remaining safe for sensors.

How quickly can I reassemble parts after applying this gasket maker?

You can reassemble components immediately after applying The Right Stuff because it forms a resilient elastomeric seal on contact rather than requiring a full cure time. This lets you return equipment to service fast and reduces downtime compared with traditional curing gasket compounds.

• Instant seal — no cure wait for hand-tight assemblies
• Formed-in-place material replaces pre-cut gaskets
• Reduces service time for repairs and maintenance

Will this product withstand engine heat and exposure to fluids?

The formulation tolerates a broad temperature range and stands up to common automotive and marine fluids. It resists permanent degradation from oil, coolant, and automatic transmission fluid, making it suitable for many under-hood and drivetrain applications.

• Continuous temperature range: -75°F to 450°F (-59°C to 232°C)
• Intermittent peak: up to 500°F (260°C)
• Resistant to ATF, coolant, oil and typical shop fluids

What parts and applications are best for The Right Stuff?

The product is appropriate for seals where a formed-in-place elastomeric gasket delivers better longevity than paper, cork or cut rubber. It’s commonly used across engine, transmission and accessory covers where vibration and thermal cycling challenge gasket integrity.

• Valve covers, oil pans, gearbox/transmission covers
• Water pumps, thermostat housings, pumps and related housings
• Automotive, heavy-duty and marine service applications

Is this safe to use around sensors and on OEM-spec parts?

The Right Stuff is formulated to be sensor-safe and meets demanding performance expectations used by original equipment manufacturers. It’s specified in production and service programs, so it’s a practical option when OEM-equivalent reliability and durability are required.

• Sensor-safe formula suitable for many modern engines
• Meets or exceeds long-term sealability and handling standards
• Used on OEM production lines and in service programs

Who is this for: Mechanics, fleet technicians, restoration enthusiasts and DIYers who need a dependable, quick-setting gasket solution will value this two-pack with a caulking gun included. Choose Permatex The Right Stuff when you want an OEM-grade, formed-in-place gasket that reduces downtime and resists heat, vibration and common shop fluids while enabling immediate reassembly.