---
product_id: 255417984
title: "Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack"
brand: "permatex"
price: "$U1263"
currency: UYU
in_stock: true
reviews_count: 5
category: "Permatex"
url: https://www.desertcart.uy/products/255417984-permatex-27037-optimum-black-gasket-maker-3-35-oz-1
store_origin: UY
region: Uruguay
---

# 60% more flexible with max oil resistance 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:** $U1263
**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?** $U1263 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/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

- • **Unmatched Strength:** 15% stronger than Ultra Black for durable, long-lasting seals
- • **Superior Flexibility:** 60% more flexible to maintain seal integrity under vibration and movement
- • **Sensor-Safe & Low Odor:** Safe for modern engines with sensitive sensors and a low-odor formula for a cleaner workspace
- • **Complete Application Kit:** Includes 2 precision nozzles for easy, mess-free gasket creation every time
- • **Extreme Temperature Resilience:** Operates flawlessly from -65°F to 500°F, perfect for any engine condition

## Overview

Permatex 27037 Optimum Black Gasket Maker is a sensor-safe, low-odor, and non-corrosive gasket sealant engineered for premium automotive applications. It offers 15% greater strength and 60% more flexibility than Ultra Black, withstanding extreme temperatures from -65°F to 500°F. Ideal for valve covers, oil pans, and more, it ensures maximum oil resistance and vibration durability, making it the go-to choice for professional-grade, leak-proof seals.

## 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.

Review: Muy bien
Review: Fixed faucet leak in no time. Teflon and pipe dope couldn't get it done. Normal permatex couldn't get it done even after waiting 24h before turning on the water. Applied this and after a few minutes I turned the water on and no leak! Going on 1 month now without a leak.

## 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 | #10,327 in Automotive ( See Top 100 in Automotive ) #56 in Automotive Fillers, Adhesives & Sealants |
| Brand | Permatex |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,980) |
| Date First Available | 18 October 2017 |
| Exterior | Machined |
| Item Weight | 109 g |
| Item model number | 27037 |
| Manufacturer | Permatex |
| Manufacturer Part Number | 27037 |
| Model | Gasket Maker |
| OEM Part Number | 27037 |
| Product Dimensions | 3.18 x 9.69 x 20.32 cm; 109 g |

## 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/619E37+WlDL.jpg)
![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 2](https://m.media-amazon.com/images/I/61OAoZZeaFL.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/711lqK8Tz8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***A on 15 August 2020*

Muy bien

### ⭐⭐⭐⭐⭐ Review
*by A***X on 19 November 2019*

Fixed faucet leak in no time. Teflon and pipe dope couldn't get it done. Normal permatex couldn't get it done even after waiting 24h before turning on the water. Applied this and after a few minutes I turned the water on and no leak! Going on 1 month now without a leak.

### ⭐⭐⭐⭐⭐ Review
*by D***G on 9 November 2024*

Great mechanics sealant and the small tubes work better for my jobs. I don’t throw half a big tube away any more.

## 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 Uruguay*
*Store origin: UY*
*Last updated: 2026-02-10*