---
product_id: 390390269
title: "West System 40445 High Density Filler-43 Oz"
brand: "west system"
price: "Bs.2491"
currency: BOB
in_stock: true
reviews_count: 5
category: "West System"
url: https://www.desertcart.bo/products/390390269-west-system-40445-high-density-filler-43-oz
store_origin: BO
region: Bolivia
---

# Gap-filling thickener High-density epoxy filler 43 oz professional size West System 40445 High Density Filler-43 Oz

**Brand:** west system
**Price:** Bs.2491
**Availability:** ✅ In Stock

## Summary

> 🧱 Fill gaps like a pro—don’t let imperfections hold you back!

## Quick Answers

- **What is this?** West System 40445 High Density Filler-43 Oz by west system
- **How much does it cost?** Bs.2491 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/390390269-west-system-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

- • **Off-White Finish:** Neutral color blends easily under paint or coatings
- • **Durable & Reliable:** Creates a tough, sandable surface that stands the test of time
- • **Precision Gap Filler:** Seamlessly thickens epoxy for flawless repairs
- • **Trusted Compatibility:** Optimized for West System epoxy for superior bonding
- • **Professional Grade Volume:** Generous 43 oz size to tackle large projects without interruption

## Overview

West System 40445 High Density Filler is a 43-ounce epoxy additive designed to thicken mixtures and fill gaps with precision. Trusted by professionals, it enhances West System epoxy products to create durable, sandable surfaces ideal for automotive and marine repairs. Its off-white color ensures seamless finishing, making it a must-have for flawless restoration projects.

## 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 | #29,839 in Automotive ( See Top 100 in Automotive ) #125 in Automotive Fillers, Adhesives & Sealants |
| Color | off-white |
| Customer Reviews | 4.7 4.7 out of 5 stars (96) |
| 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

![West System 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.bo/products/390390269-west-system-40445-high-density-filler-43-oz](https://www.desertcart.bo/products/390390269-west-system-40445-high-density-filler-43-oz)

---

*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-25*