---
product_id: 447468325
title: "TeraFlex Dana 44 AdvanTEK (M220) Rear HD Differential Cover Kit"
brand: "teraflex"
price: "2151 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/447468325-teraflex-dana-44-advantek-m220-rear-hd-differential-cover-kit
store_origin: PL
region: Poland
---

# 11 x 11 x 5 inches 3/8" thick ductile-iron 15.23 lbs TeraFlex Dana 44 AdvanTEK (M220) Rear HD Differential Cover Kit

**Brand:** teraflex
**Price:** 2151 zł
**Availability:** ✅ In Stock

## Summary

> 🔧 Gear Up for Adventure with TeraFlex!

## Quick Answers

- **What is this?** TeraFlex Dana 44 AdvanTEK (M220) Rear HD Differential Cover Kit by teraflex
- **How much does it cost?** 2151 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/447468325-teraflex-dana-44-advantek-m220-rear-hd-differential-cover-kit)

## Best For

- teraflex enthusiasts

## Why This Product

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

## Key Features

- • **Bold Aesthetics:** Show off your style with the striking red TeraFlex logo.
- • **Easy Maintenance:** Large fill tube and inspection port for hassle-free fluid checks.
- • **Unmatched Durability:** Crafted from high-strength ductile-iron for ultimate protection.
- • **Precision Engineering:** Designed specifically for AdvanTEK axles to ensure a perfect fit.
- • **Enhanced Functionality:** Fluid level port doubles as a mid-height inspection point.

## Overview

The TeraFlex Dana 44 AdvanTEK (M220) Rear HD Differential Cover Kit is engineered for off-road enthusiasts seeking durability and performance. Made from robust 3/8”-thick ductile-iron, this cover not only protects your differential but also features convenient access points for maintenance, ensuring your vehicle is always ready for the next adventure.

## Description

TeraFlex Dana 44 AdvanTEK (M220) Rear HD Differential Cover Kit

## Features

- New Dana HD Differential Covers for the new AdvanTEK axles
- Cast from the same high-strength, 3/8”-thick ductile-iron as our HD axle housings
- Red TeraFlex logo
- Features a large diameter fill tube/inspection port at the top to accommodate a funnel or gear oil bottle pour spout
- Fluid level port doubles as a mid-height inspection port

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TeraFlex |
| Brand | TeraFlex |
| Model | TeraFlex Dana 44 AdvanTEK (M220) Rear HD Differential Cover Kit |
| Item Weight | 15.23 pounds |
| Product Dimensions | 11 x 11 x 5 inches |
| Item model number | 3990745 |
| Exterior | Painted |
| Manufacturer Part Number | 3990745 |

## Images

![TeraFlex Dana 44 AdvanTEK (M220) Rear HD Differential Cover Kit - Image 1](https://m.media-amazon.com/images/I/61QSOy9ga6L.jpg)

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**Shop now:** [https://www.desertcart.pl/products/447468325-teraflex-dana-44-advantek-m220-rear-hd-differential-cover-kit](https://www.desertcart.pl/products/447468325-teraflex-dana-44-advantek-m220-rear-hd-differential-cover-kit)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-23*