---
product_id: 294725647
title: "Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 3.35 Fluid_Ounces"
brand: "permatex"
price: "$40"
currency: NZD
in_stock: true
reviews_count: 5
category: "Permatex"
url: https://www.desertcart.nz/products/294725647-permatex-27037-optimum-black-gasket-maker-3-35-oz-3
store_origin: NZ
region: New Zealand
---

# 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, 3.35 Fluid_Ounces

**Brand:** permatex
**Price:** $40
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal smarter, not harder — the ultimate gasket maker for pros who demand perfection

## Quick Answers

- **What is this?** Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 3.35 Fluid_Ounces by permatex
- **How much does it cost?** $40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/294725647-permatex-27037-optimum-black-gasket-maker-3-35-oz-3)

## 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
- • **Sensor-Safe & Low Odor:** Safe for modern sensors with a low-odor, non-corrosive formula
- • **Dual Nozzle Convenience:** Includes 2 nozzles for precise application and professional results every time
- • **Oil-Resistant Flexibility:** 60% more flexible to maintain seal integrity against harsh oils and vibrations
- • **Extreme Temperature Resilience:** Operates flawlessly from -65°F to 500°F, perfect for any engine environment

## Overview

Permatex 27037 Optimum Black Gasket Maker is a premium silicone sealant engineered for modern automotive assemblies. It delivers 15% greater strength and 60% more flexibility than Ultra Black, withstanding extreme temperatures from -65°F to 500°F. Sensor-safe and resistant to oils and shop fluids, it ensures durable, leak-proof seals on valve covers, oil pans, and more. Comes with two nozzles for precise application, making it the go-to choice for professional-grade gasket making.

## 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: Parfait comme décrit
Review: Excelente pegado y tiempo de secado hace una JJ ta perfecta

## 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 |
| Are batteries included? | No |
| Best Sellers Rank | #168,747 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #161 in Fillers, Adhesives & Sealants |
| Brand | Permatex |
| Colour | Optimum Black |
| Country of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (4,015) |
| Date First Available | 18 October 2017 |
| Generic Name | Optimum Black Gasket Maker 3.35 oz |
| Global Trade Identification Number | 00686226270375 |
| Included Components | Gasket Maker |
| Item Dimensions LxWxH | 32 x 97 x 203 Millimeters |
| Item Form | Paste |
| Item Height | 8 Inches |
| Item Weight | 109 g |
| Item Width | 3.81 Inches |
| Item dimensions L x W x H | 32 x 97 x 203 Millimeters |
| Item model number | 27037 |
| Manufacturer | Permatex |
| Material | Silicone |
| Model number | 27037 |
| Net Quantity | 1.0 Count |
| Number of Items | 1 |
| Product Dimensions | 3.18 x 9.69 x 20.32 cm; 109 g |
| Style | Optimum |
| Surface Recommendation | Miscellaneous |
| UPC | 686226270375 |
| 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:** Optimum
- **Water Resistance Level:** Water Resistant

## Images

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

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by F***S on 29 November 2020*

Parfait comme décrit

### ⭐⭐⭐⭐⭐ Review
*by J***. on 2 June 2024*

Excelente pegado y tiempo de secado hace una JJ ta perfecta

### ⭐⭐⭐⭐⭐ Review
*by M***Y on 11 November 2025*

The best sealant for water gaskets No need to wait for 24 hours for it to cure Best to use this. So easy to use as well

## 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 New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-13*