---
product_id: 583381684
title: "Cooper Discoverer AT3 4S All-Season 255/50R20XL 109H Tire"
brand: "cooper"
price: "A$233"
currency: AUD
in_stock: false
url: https://www.desertcart.com.au/products/583381684-cooper-discoverer-at3-4s-all-season-255-50r20xl-109h-tire
store_origin: AU
region: Australia
---

# 65,000-mile treadwear warranty Adaptive-Traction for severe weather grip All-terrain off-road durability Cooper Discoverer AT3 4S All-Season 255/50R20XL 109H Tire

**Brand:** cooper
**Price:** A$233
**Availability:** ❌ Out of Stock

## Summary

> 🛞 Conquer Every Road, Own Every Season!

## Quick Answers

- **What is this?** Cooper Discoverer AT3 4S All-Season 255/50R20XL 109H Tire by cooper
- **How much does it cost?** A$233 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/583381684-cooper-discoverer-at3-4s-all-season-255-50r20xl-109h-tire)

## Best For

- cooper enthusiasts

## Why This Product

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

## Key Features

- • **Adaptive-Traction Technology:** Experience superior grip on wet, snowy, or rocky surfaces—rain or shine, your ride stays secure.
- • **All-Season, All-Terrain Mastery:** Seamlessly transition from city streets to rugged trails without missing a beat.
- • **Best-In-Class Off-Road Durability:** Engineered for SUVs and light trucks that demand toughness and comfort in every mile.
- • **Stops Over 20 Feet Shorter on Snow:** Safety meets performance with industry-leading snow braking capabilities.
- • **Unmatched 65,000-Mile Treadwear Warranty:** Drive with confidence knowing your tires are built to last the long haul.

## Overview

The Cooper Discoverer AT3 4S 255/50R20XL 109H tire delivers premium all-season and all-terrain performance with Adaptive-Traction Technology, ensuring superior grip in severe weather conditions. Backed by a 65,000-mile treadwear warranty, it offers exceptional durability and safety for rugged SUVs and light pickup trucks, combining on-road comfort with off-road toughness.

## Description

Made for rugged SUVs and light pickup trucks, the Cooper Discoverer AT3 4S All-Season 255/50R20 109H Tire is designed for all-season driving on the highway while offering exceptional all-terrain performance during weekend work or play on dirt or gravel roads. The Cooper Discoverer AT3 4S with Adaptive-Traction Technology grips the surface, rocky or smooth, under the most severe weather, rain or shine. It sets the standard in all-weather, all-terrain performance. It sports Adaptive-Traction Technology, an innovative silica-based tread compound with a design that adapts to a wide range of environments and temperatures for improved all-weather capabilities. The Adaptive-Traction Technology has many features, including Snow Groove Technology, which traps the snow in the tread for superior traction, Secure-Grip design, for greater off-road capability and traction, Aqua Vac Channels, which improve resistance to hydroplaning, and Micro-Gauge Zigzag Sipes, which offer increased stability and control. The Cooper Discoverer AT3 4S also offers a Best-In-Class All-Terrain warranty of 65,000 miles. Worthy of your ride!

## Features

- All-Terrain, All-Season / Severe Weather Tire
- Treadwear Warranty: 65,000 Miles
- Grips the surface, rocky or smooth, under the most severe weather, rain or shine
- On-road comfort with off-road durability
- Maximum grip and handling on wet roads
- Stops on average over 20 feet shorter on snow
- Severe weather rated
- Standard Limited Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZL86839 |
| Aspect Ratio | 50 |
| Brand | Cooper |
| Construction | Radial |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Date First Available | 26 October 2022 |
| Item Weight | 16.8 Kilograms |
| Item model number | 171033002 |
| Load Index Rating | 109 |
| Manufacturer | Cooper |
| Manufacturer Part Number | 171033002 |
| Model | DISCOVERER AT3 4S |
| OEM Part Number | 90000032945 |
| Rim Diameter | 20 Inches |
| Rim Width | 10.4 Inches |
| Speed Rating | H |

## Product Details

- **Brand:** Cooper
- **Load index:** 109
- **Rim size:** 20 Inches
- **Size:** 255/50R20XL 109H
- **Tyre aspect ratio:** 50

## Images

![Cooper Discoverer AT3 4S All-Season 255/50R20XL 109H Tire - Image 1](https://m.media-amazon.com/images/I/81IZ6sfF9mS.jpg)

## Frequently Bought Together

- Cooper Discoverer AT3 4S All-Season 255/50R20XL 109H Tire
- GAsupply Black Lug Nuts, 1/2-20 Closed End Bulge Acorn Lug Nuts 3/4 inch 19mm Hex 1.38 inch Tall 60 Degree Conical Seat
- Circuit Performance Chrome Rubber Valve Stems TR413 30mm (Set of 4)

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**Shop now:** [https://www.desertcart.com.au/products/583381684-cooper-discoverer-at3-4s-all-season-255-50r20xl-109h-tire](https://www.desertcart.com.au/products/583381684-cooper-discoverer-at3-4s-all-season-255-50r20xl-109h-tire)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-26*