---
product_id: 82810082
title: "Draper 33321 D542 Hydraulic Seal, Blue"
brand: "draper"
price: "€ 36.00"
currency: EUR
in_stock: true
reviews_count: 8
category: "Draper"
url: https://www.desertcart.es/products/82810082-draper-33321-d542-hydraulic-seal-blue
store_origin: ES
region: Spain
---

# Distinctive blue color for easy ID High-pressure seal strength Versatile on metal threaded fittings Draper 33321 D542 Hydraulic Seal, Blue

**Brand:** draper
**Price:** € 36.00
**Availability:** ✅ In Stock

## Summary

> 💧 Lock in your flow, lose the leaks!

## Quick Answers

- **What is this?** Draper 33321 D542 Hydraulic Seal, Blue by draper
- **How much does it cost?** € 36.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/82810082-draper-33321-d542-hydraulic-seal-blue)

## Best For

- draper enthusiasts

## Why This Product

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

## Key Features

- • **No More Leaks:** Cures fast to prevent costly downtime and maintain system integrity
- • **Universal Fit:** Perfect for valves, threaded couplings, and adaptors—engineered for metal fittings
- • **Seal Like a Pro:** Creates a tough, leak-proof seal on low to high-pressure hydraulic lines
- • **Trusted by Experts:** Highly rated with 4.9 stars, proven performance on air compressors and hydraulic systems
- • **Blue Means Business:** Unique blue formula ensures quick visual confirmation and professional-grade reliability

## Overview

The Draper 33321 D542 Hydraulic Seal is a blue, high-performance sealing compound designed for metal threaded fittings in hydraulic systems. It cures to form a durable, high-pressure seal ideal for valves, couplings, and adaptors, ensuring leak-free operation across low to high-pressure lines. Lightweight and easy to apply, it’s a trusted choice with a 4.9-star rating for professional and DIY use.

## Description

Draper 33321 D542 Hydraulic Seal, Blue : desertcart.co.uk: DIY & Tools

Review: Easy to use. - Easy to use, works well
Review: It actually works! - Bought to do the air compressor regulator, one of those chinese air compressors. The are not to be done up with a spanner but with this stuff, basically wierd glue! But-- it absolutely does work - no leaks - tight as a ducks bottom... To my surprise!

## Features

- Causes serious eye irritation.
- Causes skin irritation.
- May cause an allergic skin reaction.
- May cause respiratory irritation.
- D542 for metal threaded fittings especially useful on hydraulic pipes
- Used on low, medium and high-pressure lines and cures to form a tough high-pressure seal
- Ideal for valves, threaded couplings and adaptors
- Part Number:33321

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00HNV1KVM |
| Best Sellers Rank | 100,331 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,193 in Sealers |
| Brand | Draper |
| Customer Reviews | 4.9 4.9 out of 5 stars (50) |
| Date First Available | 3 Jan. 2014 |
| Item Weight | 110 g |
| Item model number | 33321 |
| Manufacturer | Draper |
| Manufacturer part number | 33321 |
| Model | 33321 |
| Product Dimensions | 23 x 4 x 12.1 cm; 110 g |

## Product Details

- **Brand:** Draper
- **Item dimensions L x W x H:** 23 x 4 x 12.1 centimetres
- **Item weight:** 0.11 Kilograms
- **Material:** Metal
- **Style:** Compact

## Images

![Draper 33321 D542 Hydraulic Seal, Blue - Image 1](https://m.media-amazon.com/images/I/51iqI8Vyk5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use.
*by D***W on 5 November 2025*

Easy to use, works well

### ⭐⭐⭐⭐⭐ It actually works!
*by D***Y on 30 November 2025*

Bought to do the air compressor regulator, one of those chinese air compressors. The are not to be done up with a spanner but with this stuff, basically wierd glue! But-- it absolutely does work - no leaks - tight as a ducks bottom... To my surprise!

### ⭐⭐⭐⭐⭐ Only stuff that sealed my PCP 300bar foster fittings
*by P***B on 13 October 2025*

Draper 33321 D542 Hydraulic Seal was the only stuff that sealed my PCP 300bar foster fittings and pressure gauge

## Frequently Bought Together

- Draper 33321 D542 Hydraulic Seal, Blue
- Air Compressor Pressure Control Switch with Valve Gauges Regulator

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**Shop now:** [https://www.desertcart.es/products/82810082-draper-33321-d542-hydraulic-seal-blue](https://www.desertcart.es/products/82810082-draper-33321-d542-hydraulic-seal-blue)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-01*