---
product_id: 747040516
title: "(20Pcs) M14 Red Cooper Oil Drain Plug Crush Washers Coolant Seal Ring Gasket DFL-030"
brand: "deefill"
price: "193 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/747040516-20pcs-m14-red-cooper-oil-drain-plug-crush-washers-coolant
store_origin: PL
region: Poland
---

# 99.7% pure red copper M14 precision fit 10x corrosion resistance (20Pcs) M14 Red Cooper Oil Drain Plug Crush Washers Coolant Seal Ring Gasket DFL-030

**Brand:** deefill
**Price:** 193 zł
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal like a pro, drive with confidence!

## Quick Answers

- **What is this?** (20Pcs) M14 Red Cooper Oil Drain Plug Crush Washers Coolant Seal Ring Gasket DFL-030 by deefill
- **How much does it cost?** 193 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/747040516-20pcs-m14-red-cooper-oil-drain-plug-crush-washers-coolant)

## Best For

- deefill enthusiasts

## Why This Product

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

## Key Features

- • **Precision M14 Fit:** Engineered for a perfect seal on M14 oil drain plugs, eliminating leaks and ensuring hassle-free maintenance.
- • **Value-Packed 20pcs Set:** Stock up with 20 high-quality washers—save time and money on multiple oil changes without compromising performance.
- • **Reliable Leak Prevention:** Upgrade from plastic or rubber seals to professional-grade copper crush washers for ultimate engine protection.
- • **Premium 99.7% Pure Copper:** Crafted from nearly pure red copper for superior ductility and softness, filling gaps flawlessly.
- • **Advanced Annealed & Passivated:** Heat-treated and chromated to boost flexibility and corrosion resistance by over 10x, extending gasket life.

## Overview

DEEFILL’s 20-piece M14 red copper crush washers are precision-engineered oil drain plug gaskets made from 99.7% pure copper. Featuring annealed heat treatment and chromate passivation, these washers offer superior ductility and over 10 times enhanced corrosion resistance compared to standard seals. Designed to fit M14 plugs perfectly, this value pack ensures reliable leak prevention and long-lasting engine protection for multiple oil changes.

## Description

DEEFILL (20Pcs) M14 Red Cooper Oil Drain Plug Crush Washers Coolant Seal Ring Gasket DFL-030

## Features

- Material: Red Copper, which presents a distinctive red colour, almost pure copper as opposed to impure or alloyed forms. Pure copper content>99.7%. As an excellent sealing material, copper gasket has good ductility, suitable softness, can fill the gap between flange and oil pan.
- Process: 1) Annealing heat treatment process: Increase the ductility and reduce the hardness of copper. 2) Pickling and chromating: A complete, dense and non-destructive passivation film is formed on the surface of copper. After pickling and passivation, the corrosion resistance of copper gasket can be increased by more than 10 times.
- Function: Regularly replace the oil drain plug washers to reduce the risk of oil leaks to keep your engine safe. It's important to choose a true quality gasket to get the job done.
- Fitment: Oil drain plug crush washers dimension: inner diameter is 14 mm / 0.55 inch; outer diameter 22 mm / 0.87 inch; thickness is 1.5 mm/ 0.06 inch. Will fit for M14 oil drain plug. Use desertcart fitment strip to ensure this will work with your vehicle. Also check your own plug gasket dimensions is suggested.
- Value Pack: Professional processed red cooper gaskets provide much better sealing performance than plastic, rubber, aluminum alloy seals. 20pcs pack are plenty enough for many oil changes, saving you money and time over your OEM part options.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DEEFILL |
| Part number | DFL-030 |
| Item Weight | 54 g |
| Package Dimensions | 11.81 x 7.32 x 0.99 cm; 54 g |
| Manufacturer reference | DFL-030 |
| Size | M14 US |
| Colour | M14 x 1.5 Crush Washers |
| Material | Copper |
| Item thickness | 1.5 Millimetres |
| Number of Pieces | 20 |
| Head Style | Round |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Copper
- **Outside diameter:** 22 Millimetres
- **Washer type:** Flat
- **Exterior finish:** Copper
- **Fastener size:** M14

## Images

![(20Pcs) M14 Red Cooper Oil Drain Plug Crush Washers Coolant Seal Ring Gasket DFL-030 - Image 1](https://m.media-amazon.com/images/I/61uvJiDwy+L.jpg)

## Available Options

This product comes in different **Colour Name** options.

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**Shop now:** [https://www.desertcart.pl/products/747040516-20pcs-m14-red-cooper-oil-drain-plug-crush-washers-coolant](https://www.desertcart.pl/products/747040516-20pcs-m14-red-cooper-oil-drain-plug-crush-washers-coolant)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-13*