Permatex
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Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube , Gray
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Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube , Gray
Specially designed to withstand the harsh detergents and additives found in automatic transmission fluid
Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube , Gray
Item #: 41721548

Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube , Gray

87% of respondents would recommend this to a friend

Item #: 41721548

SLE 547

Price Details

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Order now and get it around Thursday, September 17
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Specially designed to withstand the harsh detergents and additives found in automatic transmission fluid
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What Stands Out

High-Temperature Resistance
Withstands extreme temperatures, ensuring a durable seal for automatic transmissions, preventing leaks and extending the life of your vehicle.
Easy Application
The convenient 3 oz. tube allows for precise application, making it easier to target areas that require sealing without excess mess or waste.
Versatile Use
Designed for multiple automotive applications, this RTV sealant is perfect for both professional mechanics and DIY enthusiasts, delivering reliable results every time.

Product Details

Shop online for Permatex 81180 Automatic Transmission RTV Sealant in at Ubuy Sierra Leone. Get the best deals on automotive sealants and adhesives at Ubuy Sierra Leone.
  • Specially designed to withstand harsh detergents and additives in automatic transmission fluid
  • Formulated to resist aging, weathering, and thermal cycling without hardening, shrinking, or cracking
  • Improves transmission oil resistance and provides good adhesion while retaining flexibility
  • Sensor-safe, non-corrosive, non-flammable, non-toxic, and low odor sealant
  • Can be used as a gasket maker or dressing
  • Suggested applications: automatic transmission pans, case halves, and inside covers
Brand NamePermatex
UPC068622681106
Number of Packs1
Unit Count1 Count
Number of Items1
Included ComponentsSealant
ManufacturerPermatex
Model81180
Part Number81180
Item Weight85 g
Item Dimensions8.9 x 3.9 x 1.7 inches (22.6 x 9.9 x 4.3 cm)
Water Resistance LevelWater Resistant
Item FormLiquid
Compatible MaterialMetal
Style NameThermal
ColorGray
Surface RecommendationMiscellaneous
Material TypeSilicone
MaterialSilicone
BrandPermatex
StyleThermal
Item dimensions L x W x H8.9 x 3.9 x 1.7 inches (22.6 x 9.9 x 4.3 cm)

Who Should Buy?

Suitable For
  • DIY Mechanics

    Ideal for hobbyists or DIY engineers looking to efficiently seal their transmission components with reliable results.

  • Professional Technicians

    Great for automotive professionals needing a high-quality sealant to ensure long-lasting repairs in automatic transmissions.

  • Transmission Maintenance

    Perfect for those performing routine maintenance on vehicles, needing durable and effective sealants for transmission assemblies.

Not Suitable For
  • Non-Automotive Uses

    Not suitable for sealing products or repairs that do not involve automatic transmissions or automotive components.

Product Description

Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube , Gray

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Permatex 81180 Automatic Transmission RTV Sealant used for?

    Answer: Permatex 81180 Automatic Transmission RTV Sealant is specifically designed for sealing automatic transmission cases and covers. Its unique formulation creates a durable and long-lasting seal that withstands the harsh conditions found in automotive fluids. This makes it essential for preventing leaks in automatic transmissions, ensuring smooth operation and enhancing the longevity of the vehicle's components.
  • Question: How does Permatex RTV Sealant compare to traditional sealing methods?

    Answer: Unlike traditional gaskets, Permatex RTV Sealant forms a custom seal upon application, eliminating the need for pre-shaped gaskets. This flexibility allows it to fill gaps and adhere effectively to various surfaces, ensuring a more reliable seal. Additionally, it's capable of handling extreme temperatures and pressures, making it a superior option for many automotive applications. It's ideal for maintenance and repairs where gaskets might not address all sealing needs.
  • Question: Can I use Permatex 81180 Sealant on other automotive applications?

    Answer: While Permatex 81180 is primarily formulated for automatic transmission applications, it can also be used for valve covers, oil pans, and other sealing tasks where a resistant, flexible seal is required. It's particularly useful in situations where precision sealing is vital, such as in high-performance setups or where existing gaskets fail to perform effectively, ensuring reliable operation in various automotive environments.
  • Question: Is Permatex 81180 suitable for high-temperature environments?

    Answer: Yes, Permatex 81180 RTV Sealant is designed to withstand high temperatures, making it suitable for various engine components that experience significant heat. Its ability to maintain a strong bond under thermal stress helps prevent leaks that can lead to costly repairs. For applications like valve covers or transmission cases, this sealant provides the robustness needed to maintain effective sealing, even under extreme conditions.
  • Question: How should I apply Permatex 81180 RTV Sealant for best results?

    Answer: For optimal application, ensure that the surfaces are clean, dry, and free from oils or old gasket material. Apply an even bead of the sealant on one surface and assemble the parts together within a few minutes, ensuring proper alignment. Allow adequate curing time as specified on the product label before filling the assembly with fluid. This method guarantees a reliable seal and helps prevent leaks in critical areas of your vehicle.
  • Question: Can I use Permatex RTV Sealant in combination with other sealants?

    Answer: It's generally recommended to use Permatex 81180 RTV Sealant as a standalone solution. Combining it with other sealants or adhesives may interfere with its curing process or bonding strength, potentially leading to seal failure. For the best results, focus on streamlined applications using this specific product, especially in critical automotive systems where reliability is essential.
  • Question: How long does it take for Permatex 81180 to cure?

    Answer: The curing time for Permatex 81180 RTV Sealant depends on environmental conditions, such as humidity and temperature. Typically, it becomes tack-free within a couple of hours. However, full curing can take up to 24 hours in ideal conditions. For critical applications, be sure to allow sufficient time for curing before exposing the seal to stress, to ensure a complete and effective seal.
  • Question: Is Permatex 81180 safe for use with different fluids?

    Answer: Yes, Permatex 81180 RTV Sealant is formulated to resist automotive fluids, including oil, coolant, and transmission fluid. This chemical resistance is crucial when sealing components that may come into contact with different fluids in the vehicle's operation. Using this sealant helps maintain the integrity of your vehicle's systems and ensures a safe and reliable performance without compromising the effectiveness of the seal.
  • Question: What color is the Permatex 81180 RTV Sealant and does it affect performance?

    Answer: Permatex 81180 RTV Sealant comes in a gray color, which is designed for aesthetic harmony and identification within automotive applications. The color does not impact its performance; instead, it signifies its specific formulation for automatic transmission sealing. This helps users easily identify the product when making repairs or maintenance tasks, ensuring proper usage.
  • Question: Where can I buy Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube?

    Answer: You can purchase Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube from Ubuy in Sierra Leone. Ubuy is a trusted online platform that offers a variety of automotive products, ensuring convenience and a straightforward purchasing process for your sealing needs.

Permatex Gasket Editorial Review

Permatex 81180 Automatic Transmission RTV Sealant, 3 oz. Tube, Gray is a dependable solution for automotive DIY enthusiasts and professionals alike. This silicone-based sealant proves effective in sealing transmission pan gaskets and CVT flanges, assuring a leak-free performance after initial curing. Users have shared positive feedback on its strong adhesive properties, with one noting that it provided excellent results even when applied under less-than-ideal conditions. While the application requires some patience for drying, most find that the wait is worth it as it holds strong without leaks. The product's versatility and reliable sealing capabilities make it a must-have for automotive repairs.

Customer Reviews & Ratings

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Pros

  • Excellent leak sealing properties
  • Easy to apply with strong adhesion
  • Effective for CVT flanges and pan gaskets
  • Saves time and money on repairs
  • Water-resistant formula for durability

Cons

  • Packaging could use improvement for easier application

Platform Trust & Buyer Confidence

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“Easy to use and always helpful and sorts any issues I've had past and present”

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“The delivery was fast and the product came undamaged and authentic.”

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“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
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Important information

  • 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.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

SLE 547

Order now and get it around Thursday, September 17

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Withstands harsh detergents and additives in transmission fluid
  • Resists aging, weathering and thermal cycling without hardening, shrinking or cracking
  • Improves transmission oil resistance
  • Provides good adhesion while retaining flexibility
  • Can be used as a gasket maker or dressing
  • Suitable for automatic transmission pans, case halves, and inside covers

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