0 ratings
Versachem 99839 Mega Black OEM Silicone - 3 oz.
High performance, moisture curing gasketing material that cures into a strong, silicone rubber to make formed-in-place gaskets.
Versachem 99839 Mega Black OEM Silicone - 3 oz.
Item #: 18752776

Versachem 99839 Mega Black OEM Silicone - 3 oz.

Item #: 18752776

LAK 223450

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, August 20
Our Top Logistics Partners
  • fedex
  • dhl
High performance, moisture curing gasketing material that cures into a strong, silicone rubber to make formed-in-place gaskets.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Temperature Resistance
Versachem Mega Black withstands extreme temperatures, making it ideal for automotive and industrial applications, ensuring a long-lasting bond in challenging environments.
Flexible & Durable
This silicone sealant maintains flexibility over time, preventing cracking or peeling while providing a robust seal to protect against leaks.
Easy Application
The 3 oz tube is designed for effortless application, allowing users to tackle projects quickly with precision, making it suitable for both professionals and DIY enthusiasts.

Product Details

Shop Versachem 99839 Mega Black OEM Silicone - 3 oz. online at a best price in Laos. B0002JN5KG
  • High performance, high temperature silicone gasket maker
  • Resists oil, water, and antifreeze mixtures
  • Maintains long term durability and flexibility
  • Will not harden, shrink, or crack
  • Temperature range: -100°F to 650°F (-73°C to 343°C)
  • Suggested applications: All engines, valve covers, oil pans, intake manifold end seals, water pumps, transmission pans, cam covers, and thermostat housings
Specific Uses For ProductRepair
Item FormLiquid
Other Special Features of the ProductHigh Temperature Resistant, Long-Term Durable, Flexible, Resistant to Oil, Water, Antifreeze, and Aging
Container TypeTube
Full Cure Time24 Hours
Water Resistance LevelWaterproof
Tensile Strength240 Pounds Per Square Inch (609.6 cm)
Viscosity LevelMedium
Compatible MaterialAlloy Steel, Aluminum, Rubber
Item Package Quantity1
Volume3 Fluid Ounces
Material TypeSilicone
ColorBlack
Brand NameVersachem
Model99839
Unit Count3.0 Fluid Ounces
UPC078727998399
Global Trade Identification Number00078727998399
ManufacturerVersachem
Part Number99839
Item Weight0.01 Ounces (0.28 grams)
BrandVersachem
MaterialSilicone
Special FeatureHigh Temperature Resistant, Long-Term Durable, Flexible, Resistant to Oil, Water, Antifreeze, and Aging See more

Who Should Buy?

Suitable For
  • Car Enthusiasts

    Ideal for automotive applications, providing durable seals for gaskets, hoses, and more in high-performance environments.

  • Home Mechanics

    Great for DIY repairs and projects requiring a reliable sealant that withstands oil, heat, and water exposure.

  • Boat Owners

    Perfect for marine use, forming strong, waterproof seals against corrosion and harsh environmental conditions.

Not Suitable For
  • Non-Mechanical Users

    Not suitable for casual users without experience in mechanical or repair work, as application requires some technical knowledge.

Product Description

Versachem 99839 Mega Black OEM Silicone - 3 oz.

About This Item

Looking for a high-performance gasketing material that will provide long term durability and flexibility? Look no further than Versachem 99839 Mega Black OEM Silicone! With a tensile strength of 240 PSI and a temperature range of -65F to 400F (continuous), this high-temperature, silicone gasket maker is the perfect solution for all your engine sealing needs. This black, waterproof formula is non-corrosive to steel, iron, and aluminum, oxygen sensor safe, low volatile, non-toxic, non-flammable, and OEM approved. Versachem Mega Black Silicone creates a strong, silicone rubber to make formed-in-place gaskets, which resists aging and weathering.

This gasket maker maintains its long term durability and flexibility even in the toughest conditions. It won't harden, shrink, or crack over time, ensuring your engine stays sealed and protected. This versatile silicone gasket maker works best on silicone, cork, felt, and rubber gaskets.

Use it to make gaskets for valve covers, oil pans, intake manifold end seals, water pumps, transmission pans, cam covers, and thermostat housings. This silicone is also sensor safe, low odor, and non-corrosive, making it perfect for use on all engines. Get your engine back to performing at its best with Versachem 99839 Mega Black OEM Silicone.

Whether you're an automotive enthusiast or a professional mechanic, this high-performance gasket maker is the perfect solution for all your automotive sealing needs. Order now and experience the Versachem difference!.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Versachem 99839 Mega Black OEM Silicone used for?

    Answer: Versachem 99839 Mega Black OEM Silicone is primarily used for sealing and bonding applications in automotive and industrial settings. This high-temperature silicone offers excellent resistance to extreme conditions, making it ideal for applications such as gaskets, valve covers, and engine components. It provides a strong, flexible seal that can withstand vibrations and fluctuating temperatures, ensuring durable performance in critical areas.
  • Question: How do I apply Versachem 99839 Mega Black OEM Silicone?

    Answer: To apply Versachem 99839, start by ensuring the surfaces are clean and free from oil or debris. Cut the nozzle to your preferred bead size, then apply the silicone evenly to one surface. Press the surfaces together firmly to ensure a proper bond. For optimal results, allow the silicone to cure as per the instructions on the tube, which will maintain the integrity of the seal and enhance its performance in high-stress environments.
  • Question: Is Versachem 99839 Mega Black OEM Silicone resistant to high temperatures?

    Answer: Yes, Versachem 99839 Mega Black OEM Silicone is formulated to withstand high temperatures, making it ideal for automotive applications where heat is a concern. It typically operates effectively under high-heat conditions, up to a specific temperature threshold. This characteristic helps prevent failures in sealing applications, particularly in engines where temperature control is crucial for performance.
  • Question: Can I use Versachem 99839 Mega Black OEM Silicone for plumbing applications?

    Answer: While Versachem 99839 Mega Black OEM Silicone is primarily designed for automotive use, it can also be used in certain plumbing applications. Its ability to create a strong, flexible seal makes it suitable for sealing joints and fittings that may experience movements or shifts. However, for areas involving direct contact with drinking water, it’s best to consult specific guidelines to ensure suitability.
  • Question: How long does it take for Versachem 99839 Mega Black OEM Silicone to cure?

    Answer: The curing time for Versachem 99839 Mega Black OEM Silicone typically varies based on environmental conditions such as humidity and temperature. Generally, it requires several hours to reach a functional cure, but a full cure may take up to a day. It’s important to avoid disturbing the seal during this time to ensure a robust bond for optimal performance in applications.
  • Question: What surfaces can I use Versachem 99839 Mega Black OEM Silicone on?

    Answer: Versachem 99839 Mega Black OEM Silicone adheres well to a variety of surfaces, including metals, plastics, rubber, and glass. This versatility makes it suitable for automotive, industrial, and household repairs. When using it, ensure that the surfaces are properly cleaned to enhance adhesion and effectiveness in sealing gaps appropriately, ensuring longevity in performance.
  • Question: Is Versachem 99839 Mega Black OEM Silicone flexible once cured?

    Answer: Yes, once cured, Versachem 99839 Mega Black OEM Silicone retains a significant degree of flexibility. This flexibility is essential for applications where movement and vibration are factors, such as in engines or machinery. It allows the seal to absorb shocks and maintain integrity over time, preventing leaks and ensuring optimal function even in dynamic environments.
  • Question: Can I paint over Versachem 99839 Mega Black OEM Silicone?

    Answer: Generally, it is not advisable to paint over Versachem 99839 Mega Black OEM Silicone, as many paints may not adhere well to silicone surfaces. The best practice is to allow the sealant to cure completely, and then consider whether an alternative method of finishing is necessary. This helps ensure that the seal remains intact and effective while any aesthetic considerations are addressed via compatible materials.
  • Question: Is Versachem 99839 Mega Black OEM Silicone safe for automotive use?

    Answer: Yes, Versachem 99839 Mega Black OEM Silicone is specifically formulated for automotive use, providing a safe sealing solution for various engine components. It is designed to withstand conditions encountered in automotive environments, effectively preventing leaks and enhancing performance. Therefore, it's a reliable choice for both DIY enthusiasts and professional mechanics working on automotive repairs.
  • Question: Where can I buy Versachem 99839 Mega Black OEM Silicone - 3 oz?

    Answer: You can buy Versachem 99839 Mega Black OEM Silicone - 3 oz through Ubuy, which offers convenient access to a wide range of products, including this high-performance sealant. Ubuy provides a straightforward shopping experience, ensuring that you get the necessary tools for your automotive and industrial applications.

Versachem Silicone Editorial Review

Versachem 99839 Mega Black OEM Silicone - 3 oz. The Versachem 99839 Mega Black OEM Silicone seems to be a reliable option for various automotive applications. Customers have used it successfully for tasks such as sealing oil pans and repairing engine components. It appears to hold up well, with one customer specifically mentioning that they never had a problem with it. The silicone is reported to dry fast and stay flexible, which is crucial for proper sealing. It also seems to have good adhesion, as customers mention that it seals well to itself. This suggests that it should be able to create a strong and durable seal when applied correctly. In terms of its suitability for different uses, customers note that it works well as a pan gasket and for general automotive applications. However, it is not recommended for use as a carburetor gasket, as it does not hold up well to gas. It is important to note that one customer mentioned that the silicone may not hold up to high water pressure, so it may not be ideal for applications requiring a stronger seal against water. Overall, the Versachem 99839 Mega Black OEM Silicone appears to be a reliable product that performs equally to other black silicone options available on the market. Its Consistency and quality seem comparable to popular brands like Permatex and JB Weld. If you are in need of a general-purpose silicone for automotive applications, this product could be a good choice.

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Works well for oil pan and general automotive applications
  • Dries fast and stays flexible
  • Creates a good seal to itself
  • Comparable to other black silicone options on the market

Cons

  • Not recommended for use with gas

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

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.