LOCTITE 243 Automotive Threadlocker Blue - Medium Strength, High-Temp Thread Lock, Oil Tolerant, General Purpose - Capsule

LOCTITE Automotive Threadlocker Blue 243 is a medium-strength, medium-temp, oil-tolerant adhesive designed for general-purpose automotive applications. OEM-specified and trusted by professionals, this anaerobic threadlocker bonds effectively to all metals, including stainless steel, aluminum, and plated surfaces. Its enhanced oil tolerance ensures reliable performance, even in challenging conditions. LOCTITE Blue 243 is ideal for securing components that endure heavy shock, vibration, and chemical exposure. It works perfectly on rocker studs, adjustment bolts, valve and cam covers, oil pans, disc brake calipers, intakes, alternators, and pulley assemblies. Suitable for all nut and bolt applications ranging from ¼" to ¾" (6 mm to 20 mm). The product sets in just 10 minutes, allowing for a fast start, and reaches full strength within 24 hours, providing a durable, temperature-resistant bond up to 140°F. LOCTITE Blue 243 delivers long-lasting, reliable results for your automotive repair and maintenance needs.

• Quick-setting for convenience: The product begins setting in just 10 minutes, giving you a quick start on your project, and reaches its full strength after 24 hours, ensuring a complete and durable cure by the next day and is temperature resistant up to 140 degrees
• Multi-Application: Perfect for use on rocker studs, rocker adjustment bolts, bolts on valve and cam covers, oil pans, disc brake calipers, intakes and alternators, and pulley assemblies; Ideal for all nut and bolt applications ¼" to ¾" (6 mm to 20 mm)
• Reliable & Durable Performance: Engineered for securing components that endure heavy shock, vibration, and extreme chemical or environmental conditions so it will requires localized heating and hand tools for easy disassembly
• Works on all metals: Works on all metals, including passive substrates such as stainless steel, aluminum, and plated surfaces; features enhanced minor oil tolerance for superior performance
• Trusted by Professionals: Our blue LOCTITE automotive thread locker products are not just OEM-specified, they are trusted by professionals because they are designed by auto manufacturers and lab tested (PN: 1330255)