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LOCTITE Automotive High-Flex Gasket Maker & Flange Sealant: High-Temp, Flexible Form-in-Place, Silicone, Solvent-Resistant - 50 ml Tube, 1 Pack
Loctite High Flex Gasket Maker is a flexible form-in-place gasket that provides high-temperature resistance and more flexibility.
LOCTITE Automotive High-Flex Gasket Maker & Flange Sealant: High-Temp, Flexible Form-in-Place, Silicone, Solvent-Resistant - 50 ml Tube, 1 Pack
Item #: 34281584

LOCTITE Automotive High-Flex Gasket Maker & Flange Sealant: High-Temp, Flexible Form-in-Place, Silicone, Solvent-Resistant - 50 ml Tube, 1 Pack

Item #: 34281584

GBP 29

Price Details

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*All items will import from US

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Loctite High Flex Gasket Maker is a flexible form-in-place gasket that provides high-temperature resistance and more flexibility.
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What Stands Out

High-Temperature Resistance
Designed to withstand extreme temperatures, this gasket maker is ideal for automotive applications, ensuring a durable seal even in the hottest conditions.
Flexible Sealant
The high-flex formula allows for movement and expansion, creating a reliable and long-lasting bond that accommodates engine vibrations and thermal shifts.
Solvent-Resistant
This silicone gasket maker resists automotive fluids and solvents, providing superior protection against leaks and extending the lifespan of repairs.

Product Details

Shop for high-quality Loctite Flange Sealant at Ubuy Jersey. High Flex Gasket Maker with high-temperature resistance. Perfect for sealing and repairing vehicle components.
  • Loctite High Flex Gasket Maker provides reliable sealing for flanges with vibration or pressure.
  • The gasket sealant is solvent and temperature-resistant, ensuring a durable seal.
  • The form-in-place formula cures to a tough solvent-resistant gasket that flexes with flange movement.
  • Designed by auto manufacturers and lab tested, our LOCTITE automotive aftermarket products are OEM-specified.
  • Trusted by professionals in the automotive industry, LOCTITE is used in engine assembly and maintenance.
  • From bolts and gaskets to cooling lines and core plugs, LOCTITE products are used to seal, secure, and repair vehicle components.
Package Weight1 Pound

Who Should Buy?

Suitable For
  • Automotive Technicians

    This sealant is ideal for professionals requiring flexible and durable sealing solutions for automotive repairs.

  • DIY Mechanics

    Perfect for hobbyists who need a reliable gasket maker for various automotive projects and maintenance tasks.

  • High-Temperature Applications

    Recommended for users dealing with high-temperature equipment that demands heat-resistant sealants for durability.

Not Suitable For
  • Ice Cream Makers

    Not suitable for food preparation equipment, as the sealant isn't FDA approved for food contact.

Product Description

LOCTITE Automotive High-Flex Gasket Maker & Flange Sealant: High-Temp, Flexible Form-in-Place, Silicone, Solvent-Resistant - 50 ml Tube, 1 Pack

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Customer Questions & Answers

  • Question: What is the primary use of Loctite Automotive High-Flex Gasket Maker?

    Answer: Loctite Automotive High-Flex Gasket Maker is designed for creating flexible, high-temperature seals in automotive applications. It forms a reliable bond between metal and non-metal components, making it ideal for gaskets, flanged connections, and sealing surfaces. This product is particularly useful in areas subjected to extensive vibrations, extreme temperatures, and various solvents, ensuring durability and protection against leaks.
  • Question: How does the High-Flex Gasket Maker perform at high temperatures?

    Answer: This product is engineered to withstand high temperatures, withstanding extremes typically found in automotive environments without compromising integrity. It remains flexible even in elevated heat, which is crucial for preventing gasket failure under intense conditions. Users frequently apply this sealant in engine applications where heat resistance is vital, providing peace of mind in the performance and longevity of sealed components.
  • Question: Is the Loctite High-Flex Gasket Maker suitable for all surfaces?

    Answer: Yes, Loctite High-Flex Gasket Maker is versatile and adheres well to both metal and non-metal surfaces. This compatibility makes it a go-to choice for various automotive repairs, including sealing oil pans, water pumps, and differential covers. It’s essential to ensure that the surfaces are clean and free of debris for optimal adhesion, which maximizes the effectiveness of the sealant in preventing leaks.
  • Question: Can I use this gasket maker for DIY projects?

    Answer: Absolutely! Loctite Automotive High-Flex Gasket Maker is user-friendly and suitable for both professionals and DIY enthusiasts. Whether you're maintaining your vehicle or completing a home project needing sealing capabilities, this product offers reliability. It's commonly used in automotive repairs and household applications, making it a valuable addition to your toolkit.
  • Question: What are the key features of the Loctite High-Flex Gasket Maker?

    Answer: The key features include high-temperature resistance, flexibility, solvent resistance, and a 50 ml tube size that’s perfect for various applications. Its form-in-place characteristics eliminate the need for pre-cut gaskets, enabling immediate bonding and curing. These features make it suitable for a range of automotive and industrial uses, ensuring that you have a strong, reliable seal in moments of need.
  • Question: How long does it take for the High-Flex Gasket Maker to cure?

    Answer: The curing time for Loctite High-Flex Gasket Maker can vary based on environmental conditions, with it generally beginning to set within a few hours. Full curing may take longer, depending on factors like humidity and temperature. For the best results, it’s advisable to allow ample time for the sealant to cure fully before subjecting it to any operational stresses, ensuring a strong, leak-free bond.
  • Question: Is the Loctite High-Flex Gasket Maker resistant to oil and other automotive fluids?

    Answer: Yes, this gasket maker exhibits excellent resistance to oils, fluids, and solvents commonly found in automotive applications. This feature is critical for maintaining reliable seals in areas like engines and transmission cases, where exposure to such substances can lead to degradation of inferior sealants. Users often find this durability beneficial in extending the life of their repairs and enhancing vehicle performance.
  • Question: Can this product be used in high-pressure applications?

    Answer: Loctite High-Flex Gasket Maker is suitable for various pressure environments, including high-pressure automotive systems. Its unique formulation ensures it maintains a robust seal, preventing leaks under pressure. It's particularly beneficial for tightening applications and is often used in sealing components like radiator hoses and other pressurized systems, giving users confidence in their repairs.
  • Question: What surfaces should I clean before applying the gasket maker?

    Answer: Prior to application, it’s essential to clean surfaces thoroughly to ensure optimal adhesion. Use a solvent or cleaner to remove grease, oil, and other contaminants from the surfaces where the gasket maker will be applied. This preparation step is crucial for achieving a tight, effective seal that lasts, especially in environments subject to heat and movement.
  • Question: Where can I buy Loctite Automotive High-Flex Gasket Maker?

    Answer: You can purchase the Loctite Automotive High-Flex Gasket Maker at Ubuy in Jersey. Ubuy offers a seamless shopping experience for this and other automotive products, ensuring you have access to quality materials whenever you need them.

Loctite Gasket Editorial Review

LOCTITE Automotive High-Flex Gasket Maker & Flange Sealant is a versatile solution for creating high-temperature, flexible seals. Users have frequently praised its effectiveness in resealing metal fuel tank threads, demonstrating its remarkable resilience against diesel fuel. This silicone-based formula offers excellent adhesion even on uneven surfaces, making it a reliable choice for various applications from hydraulic pumps to differential covers. Importantly, once set, it forms a durable seal that can be tough to disassemble, highlighting its strong sealing capabilities. Overall, it has received positive feedback for its ability to perform as promised, often being a preferred option over other gasket makers.

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Pros

  • Flexible and high-temperature resistant
  • Ideal for sealing metal threads
  • Effective on uneven surfaces
  • Long-lasting and durable seals
  • Widely used in various automotive applications

Cons

  • Might be difficult to disassemble once set

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

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“Easy to find and order what you want on the website. Delivery is quick to the UK”

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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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