Name: Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz
Brand: Permatex
SKU: 731937836
Price: 46.11 EUR
Availability: InStock
Rating: 5 (5 reviews)

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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€ 46.11

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Description

🔥 Seal the deal with the ultimate heat-proof gasket maker!

CLEAN USER FRIENDLY - Low odor, non-corrosive, and non-flammable for a safer, more pleasant workspace
VERSATILE APPLICATION - Perfect for headers, manifolds, slip-fit exhausts, and turbochargers
EXTREME HEAT RESISTANCE - Handles intermittent temps up to 1000°F (399°C) without cracking or shrinking
PROFESSIONAL GRADE SEAL - Meets OE silicone gasket specs for reliable, long-lasting performance
SAFE FOR MODERN ENGINES - Sensor-safe formula ensures no interference with sensitive electronics

Permatex 27038 Optimum Red is a premium high-temperature RTV gasket maker designed for professional mechanics and serious DIYers. It withstands extreme intermittent heat up to 399°C (1000°F), meets OEM silicone gasket specifications, and is sensor safe with a low-odor, non-toxic, and non-flammable formula. Ideal for headers, manifolds, slip-fit exhausts, and turbochargers, it delivers durable, crack-free seals that last through heat cycles and aging.

Specifications

Amazon Bestseller	#1,070,597 in Automotive (See Top 100 in Automotive) #3,586 in Powersports Engine Gaskets #9,429 in Oils & Fluids
Asin	B08CRYCZ91
Brand Name	Permatex
Color	Optimum Red
Customer Reviews	4.7 4.7 out of 5 stars (401) 4.7 out of 5 stars
Eu Spare Part Availability Duration	5 Years
Included Components	Best Red High Temperature Gasket Maker
Item Thickness	0.2 Inches
Manufacturer	Permatex
Material Type	Silicone
Model	27038
Number Of Items	1
Number Of Packs	1
Part Number	27038
Unit Count	1.0 Count
Upc	686226987631 686226270382
Upper Temperature Rating	750 Degrees Fahrenheit

Reviews

User

Permanent high temp red

Does a super job. No complaints

11.07.2026

User

Great product simple to use

I recently used the Permatex 27038 Optimum Red RTV Silicone to install my intake manifold, and I’m incredibly impressed with its performance! This silicone sealant was very simple to use, applying smoothly and evenly without any mess. It formed a strong, reliable seal that held up perfectly under high temperatures and pressure, ensuring my intake manifold installation was rock-solid. The product lived up to its promises, providing excellent adhesion and durability. I highly recommend this RTV silicone for any automotive sealing needs!

17.07.2025

User

All good.

All good 👍

9.06.2025

User

It's great.

This is good sealant.

16.07.2026

User

Great quality and great price

This stuff always works great !

27.04.2026

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

View all Trustpilot reviews

€ 46.11

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

View all Trustpilot reviews

Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz

Details

Details

Description

Specifications

Reviews

Common Questions