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Item #:
156679674
ProSeal Red RTV Silicone Hi-Temp Instant Gasket, 3 oz Tube, High-Temperature Sensor Safe Sealant, Bonds, Seals & Insulates, Replaces Cut Gaskets
88% of respondents would recommend this to a friend
Item #:
156679674
SRD 434
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Friday, October 02
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ProSeal Red RTV Silicone Hi-Temp Instant Gasket offers unbeatable sealing for high-temperature automotive needs.
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What Stands Out
High Temperature Resistance
Withstands temperatures up to 500°F, making it ideal for high-heat applications and ensuring durability in extreme conditions.
Flexible Silicone
Provides exceptional flexibility and elasticity for easy application and movement, perfect for seals and gaskets that require adaptability.
User-Friendly Size
The 3oz packaging offers convenience for both DIY enthusiasts and professionals, allowing easy handling and precise application for various projects.
Product Details
| Brand Name | Pro Seal |
| Number of Items | 1 |
| Manufacturer | Pro Seal |
| UPC | 050291807260 |
| Unit Count | 3 Fluid Ounces |
| Number of Packs | 1 |
| Model | 11720078 |
| Part Number | 80726 |
| Water Resistance Level | Waterproof |
| Color | Red |
| Item Form | Oz |
| Liquid Volume | 3 fluid ounces |
| Material Type | Silicone |
| Brand | Pro Seal |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
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Automotive Mechanics
Ideal for automotive repairs, providing a reliable seal for high-temperature engine components and exhaust systems.
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DIY Enthusiasts
Great for home projects, especially those requiring durable, heat-resistant sealing without the need for traditional gaskets.
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HVAC Technicians
Useful for sealing ductwork and other HVAC components, ensuring efficiency in high-temperature environments.
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Water Submersion
Not suitable for applications exposed to constant water conditions, as it may degrade over time.
Product Description
ProSeal Red RTV Silicone Hi-Temp Instant Gasket, 3 oz Tube, High-Temperature Sensor Safe Sealant, Bonds, Seals & Insulates, Replaces Cut Gaskets
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this product safe for modern vehicles?
Answer: Yes, it is safe for all vehicle models and computer sensors. -
Question:
What temperature range can this silicone gasket withstand?
Answer: It is specifically designed for extreme temperature conditions. -
Question:
Can this gasket be used for automotive components under high pressure?
Answer: Absolutely, it can handle pressures up to 5,000 PSI.
Pro Seal Silicone Editorial Review
proseal Red RTV Silicone Hi-Temp Instant Gasket is a high-temperature, sensor-safe sealant designed to bond, seal, and insulate effectively, replacing traditional cut gaskets. With a volume of 3 fluid ounces, this silicone-based product is waterproof and comes in a convenient tube that makes application straightforward. Users have praised its effectiveness, noting that it worked perfectly on headers and valves. However, some have experienced minor leakage with specific applications despite using sufficient amounts, highlighting that it may not adhere effectively to all clean metal surfaces, which could lead to concerns about its sealing capabilities over time.
Customer Reviews & Ratings
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Pros
- High-temperature resistance for extreme environments
- Easy application with convenient tube and tip
- Works well for exhaust and valve cover sealing
- Waterproof silicone material for durability
- Lightweight and manageable 3 oz size
Cons
- May not fully prevent leaks on some metal surfaces
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“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!”
10 September 2026 · via Trustpilot
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Verified buyer
“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.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“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.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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SRD 434
Order now and get it around Friday, October 02
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Fastest cross-border delivery
Features & Benefits
- Durable and flexible sealing solution for high-temperature applications.
- Safe for all vehicle models and sensitive computer sensors.
- Withstands pressures up to 5,000 PSI.
- Resistant to oil, antifreeze, grease, and transmission fluids.
- Ideal for exhaust manifolds and timing chain covers.
- Prevents cracking and shrinking for a long-lasting seal.
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