---
product_id: 390390269
title: "40445 High Density Filler-43 Oz"
brand: "west system"
price: "$294"
currency: NZD
in_stock: true
reviews_count: 5
category: "West System"
url: https://www.desertcart.nz/products/390390269-40445-high-density-filler-43-oz
store_origin: NZ
region: New Zealand
---

# Long-lasting durability Gap-filling thickener High-density epoxy filler 40445 High Density Filler-43 Oz

**Brand:** west system
**Price:** $294
**Availability:** ✅ In Stock

## Summary

> 🛠️ Fill the gap, seal your craft – don’t let your project wait!

## Quick Answers

- **What is this?** 40445 High Density Filler-43 Oz by west system
- **How much does it cost?** $294 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/390390269-40445-high-density-filler-43-oz)

## Best For

- west system enthusiasts

## Why This Product

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

## Key Features

- • **Superior Density:** Ensures robust, crack-resistant fills every time
- • **Precision Gap Filler:** Seamlessly thickens epoxy for flawless repairs
- • **Pro-Grade Durability:** Built to withstand automotive wear and tear
- • **Trusted Compatibility:** Optimized for West System epoxy products
- • **Effortless Application:** Smooth consistency for easy mixing and spreading

## Overview

West System 40445 High Density Filler is a 43-ounce off-white epoxy additive designed to thicken and fill gaps in epoxy mixtures. Perfectly compatible with West System epoxy products, it delivers durable, crack-resistant repairs ideal for automotive and specialty applications. Highly rated for its ease of use and reliable performance, this filler is a must-have for professionals seeking flawless finishes.

## Description

43 OUNCE

Review: Nice addition to west epoxy, thickens mixture and fills gaps, just as advertised.
Review: Works has West System had said

## Features

- WEST SYSTEM EPOXY PRODUCTS 40445, WSY40445

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0006JJAU6 |
| Batteries Required? | No |
| Best Sellers Rank | #206,075 in Automotive ( See Top 100 in Automotive ) #486 in Automotive Fillers, Adhesives & Sealants |
| Color | off-white |
| Customer Reviews | 4.7 4.7 out of 5 stars (95) |
| Date First Available | 30 October 2013 |
| Item model number | 404-45 |
| Material Type(s) | epoxy; filler |
| Number of Puzzle Pieces | 1 |
| Product Dimensions | 53.98 x 40.64 x 29.21 cm; 1.5 kg |

## Product Details

- **Brand:** West System
- **Item form:** Liquid
- **Material:** epoxy; filler
- **Special features:** Strong
- **Specific uses for product:** Hardware Bonding

## Images

![40445 High Density Filler-43 Oz - Image 1](https://m.media-amazon.com/images/I/71wtb8ECQOL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***I on 9 December 2023*

Nice addition to west epoxy, thickens mixture and fills gaps, just as advertised.

### ⭐⭐⭐⭐⭐ Review
*by G***S on 7 March 2023*

Works has West System had said

### ⭐⭐⭐⭐⭐ Review
*by R***U on 30 December 2025*

west system is great products

## Frequently Bought Together

- WEST SYSTEM 404-45 High Density Filler 46oz.
- WEST SYSTEM 105A Epoxy Resin (32 fl oz) Bundle with 205A Fast Epoxy Hardener (7 fl oz) and 300 Mini Pumps Epoxy Metering 3-Pack Pump Set (3 Items)
- West System 406-7 Collodial Silica 5.5oz, off-white

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**Shop now:** [https://www.desertcart.nz/products/390390269-40445-high-density-filler-43-oz](https://www.desertcart.nz/products/390390269-40445-high-density-filler-43-oz)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-05*