---
product_id: 255417984
title: "Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack"
brand: "permatex"
price: "$19.95"
currency: USD
in_stock: true
category: "Permatex"
url: https://www.desertcart.us/products/255417984-permatex-27037-optimum-black-gasket-maker-3-35-oz-1
store_origin: US
region: United States of America
---

# Sensor-safe & oil resistant Temp range -65°F to 500°F 15% stronger than Ultra Black Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack

**Brand:** permatex
**Price:** $19.95
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal like a pro, leak like never before!

## Quick Answers

- **What is this?** Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack by permatex
- **How much does it cost?** $19.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/255417984-permatex-27037-optimum-black-gasket-maker-3-35-oz-1)

## Best For

- permatex enthusiasts

## Why This Product

- Trusted permatex brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Application Kit:** Includes 2 precision nozzles for flawless gasket creation every time
- • **Extreme Temperature Resilience:** Operates flawlessly from -65°F to 500°F, perfect for any engine heat
- • **Sensor-Safe & Low Odor Formula:** Safe for modern engines with sensitive sensors and minimal fumes
- • **Ultimate Oil & Fluid Resistance:** Patented adhesion system ensures max oil resistance where it counts
- • **Unmatched Strength & Durability:** 15% stronger than Ultra Black for long-lasting seals

## Overview

Permatex 27037 Optimum Black Gasket Maker is a premium silicone-based sealant engineered for modern lightweight and premium automotive components. It offers 15% greater strength and 60% more flexibility than Ultra Black, withstanding extreme temperatures from -65°F to 500°F. Sensor-safe and resistant to oil, shop fluids, and vibration, it’s ideal for valve covers, oil pans, and other critical seals. Comes with two nozzles for precise application, ensuring a professional-grade, leak-proof finish trusted by thousands of mechanics and DIYers alike.

## Description

Permatex optimum black is designed for gasket making in newer lightweight and premium components where maximum oil resistance is required, specifically within assemblies where two unlike materials meet. Optimum black is ideal for use with valve covers, oil pans, oil pumps, intake manifold end seals, timing gear covers and differential covers.

## Features

- Sensor-safe, low odor, and non-corrosive
- Meets performance Specs of OE silicone gaskets. Resistant to Auto & shop fluids and vibration. 15% stronger than Ultra Black.
- Retains highest flexibility with maximum oil resistance through use of a patented adhesion system. 60% more flexible than Ultra Black
- Temperature range: -65 DegreeF to 500 DegreeF (-54 DegreeC to 260 DegreeC) intermittent
- Includes 2 nozzles

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B072MRCG8W |
| Best Sellers Rank | #18,046 in Automotive ( See Top 100 in Automotive ) #77 in Automotive Fillers, Adhesives & Sealants |
| Brand Name | Permatex |
| Color | Optimum Black |
| Compatible Material | Rubber |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,554) |
| Global Trade Identification Number | 00686226270375 |
| Included Components | Gasket Maker |
| Item Dimensions | 32 x 97 x 203 millimeters |
| Item Form | Paste |
| Item Type Name | Optimum Black Gasket Maker 3.35 oz |
| Manufacturer | Permatex |
| Material Type | Silicone |
| Model | 27037 |
| Number of Items | 1 |
| Part Number | 27037 |
| Style Name | Pack of 1 |
| Surface Recommendation | Miscellaneous |
| UPC | 686226270375 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Permatex
- **Item dimensions L x W x H:** 32 x 97 x 203 millimeters
- **Material:** Silicone
- **Style:** Pack of 1
- **Water resistance level:** Water Resistant

## Images

![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 1](https://m.media-amazon.com/images/I/712ZFo2pnCL.jpg)
![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 2](https://m.media-amazon.com/images/I/817eShEYzKL.jpg)
![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 3](https://m.media-amazon.com/images/I/61OgWKKbqpL.jpg)
![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 4](https://m.media-amazon.com/images/I/61lzsl+RTYL.jpg)
![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 5](https://m.media-amazon.com/images/I/61OAoZZeaFL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- Permatex 27037 Optimum Black Gasket Maker, 3 oz
- Permatex 27036 Optimum Grey Gasket Maker 3 oz
- Permatex 27038 Optimum Red High Temperature Gasket Maker, 3 oz

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-10*