---
product_id: 69311586
title: "Cooper Discoverer AT3 LT All-Season LT265/70R17 121/118S Tire"
brand: "cooper"
price: "$1055.56"
currency: USD
in_stock: true
reviews_count: 11
category: "Cooper"
url: https://www.desertcart.us/products/69311586-cooper-discoverer-at3-lt-all-season-lt265-70r17-121-118s
store_origin: US
region: United States of America
---

# 60,000 miles treadwear warranty Stops 10 ft shorter on wet roads 3195 lbs load capacity Cooper Discoverer AT3 LT All-Season LT265/70R17 121/118S Tire

**Brand:** cooper
**Price:** $1055.56
**Availability:** ✅ In Stock

## Summary

> 🛻 Tough Terrain? Meet Your Match with Cooper Discoverer AT3 LT!

## Quick Answers

- **What is this?** Cooper Discoverer AT3 LT All-Season LT265/70R17 121/118S Tire by cooper
- **How much does it cost?** $1055.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/69311586-cooper-discoverer-at3-lt-all-season-lt265-70r17-121-118s)

## 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

- • **Heavy Hauling Power:** Supports up to 3195 lbs load capacity, perfect for medium to heavy-duty trucks and SUVs.
- • **Unmatched Durability:** Built with Durable-Tread Technology to resist cuts, chips, and shredding on rugged terrain.
- • **All-Season Confidence:** Engineered for superior traction and shorter stopping distances in wet conditions—rain or shine.
- • **Quieter, Smoother Ride:** Advanced tread design reduces road noise for a more comfortable driving experience.
- • **60,000 Miles of Adventure:** Backed by an industry-leading treadwear warranty to keep you rolling longer and stronger.

## Overview

The Cooper Discoverer AT3 LT All-Season LT265/70R17 tire combines rugged all-terrain capability with advanced Durable-Tread Technology, delivering exceptional resistance to cuts and chips. Designed for medium to heavy-duty trucks, it supports heavy loads up to 3195 lbs and offers superior wet-road stopping power, all backed by a 60,000-mile treadwear warranty. Ideal for professionals who demand reliability and performance on every journey.

## Description

The Cooper Discoverer AT3 LT All-Season LT265/70R17 E 121S Tire offers Durable-Tread Technology to take on the toughest jobs on any terrain. For all you put your truck through, Cooper Tire put our all into the Discoverer AT3 LT tires. With our Durable-Tread Technology that helps prevent shredding, our Discoverer AT3 LT tires have an improved ability to withstand damage that comes from the ongoing assault of dirt and gravel, as well as help you haul heavy loads with less wear. The Cooper Discoverer AT3 LT is made for medium to heavy work trucks to withstand the harshest gravel and dirt road conditions. Whether working on the farm or conquering off-road fun, this tire is built to handle heavy duty hauling.

Review: Good tire - Good tire. Have had mine for 30,000 miles. Confident in rain.
Review: Quiter than Factory Highway Tread Tires on full size van. - I have a full size chevy van that had the original factory tires. Was concerned these would be louder but it was the opposite. They were much quieter and the ride was smoother. Excellent purchase decision.

## Features

- All-Season, All-Terrain Tire
- Treadwear Warranty: 60,000 Miles
- Hauls heavy loads with less wear
- Built to withstand the ongoing assault from dirt and gravel
- Designed to prevent cutting and chipping on rocky and gravel terrain
- Extreme durability for hauling
- Stops on average at least 10 feet shorter on wet roads
- Durable Tread Technology: Shred resistant silica compound coupled with proprietary all-terrain tread pattern generates superior cut and chip capabilities and best in class warranty.
- Standard Limited Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07D11Z5JN |
| Best Sellers Rank | #623,007 in Automotive ( See Top 100 in Automotive ) #1,144 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.7 4.7 out of 5 stars (380) |
| Date First Available | May 10, 2018 |
| Global Trade Identification Number | 00029142907855 |
| Item Diameter | 17 Inches |
| Item Weight | 49.9 pounds |
| Item model number | 170003001 |
| Load Capacity | 3195 Pounds |
| Load Range | E |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170003001 |
| Maximum Pressure | 35 Pound per Square Inch |
| Model | DISCOVERER AT3 LT |
| OEM Part Number | 90000032595 |
| Rim Width | 8 Inches |
| Section Width | 265 Millimeters |
| Size | LT265/70R17 121/118S |
| Tire Diameter | 31.65 |
| Tread Depth | 16.5 32nds |
| Tread Type | Asymmetrical |
| UPC | 029142907855 826825973127 |
| Unit Count | 1.0 Count |
| Vehicle Tire ISO Metric Size Description | LT265/70R17 |

## Product Details

- **Brand:** Cooper
- **Load Capacity:** 3195 Pounds
- **Load Index:** 121.0
- **Rim Size:** 17 Inches
- **Section Width:** 265 Millimeters
- **Size:** LT265/70R17 121/118S
- **Speed Rating:** S
- **Tire Aspect Ratio:** 70.0
- **Tread Depth:** 16.5 32nds
- **Tread Type:** Asymmetrical

## Images

![Cooper Discoverer AT3 LT All-Season LT265/70R17 121/118S Tire - Image 1](https://m.media-amazon.com/images/I/81ZCzADnicL.jpg)
![Cooper Discoverer AT3 LT All-Season LT265/70R17 121/118S Tire - Image 2](https://m.media-amazon.com/images/I/91A6w2iRvGL.jpg)
![Cooper Discoverer AT3 LT All-Season LT265/70R17 121/118S Tire - Image 3](https://m.media-amazon.com/images/I/71seqiC415L.jpg)
![Cooper Discoverer AT3 LT All-Season LT265/70R17 121/118S Tire - Image 4](https://m.media-amazon.com/images/I/A1HA5jybPnL.jpg)
![Cooper Discoverer AT3 LT All-Season LT265/70R17 121/118S Tire - Image 5](https://m.media-amazon.com/images/I/81N6cZoeBLL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: speed rating R and S are?**
A: R speed rating
Speed rating R allows for speeds up to 106 mph (170 km/h) under optimal conditions.

Like Q speed rated tires, R rated tires generally prioritize a particular function or unique performance over maximum speed capability. R speed tires are rare, but can be found on some heavy duty light truck (LT) tires, as well as studdable and studless winter tires.

S speed rating
An S speed rating indicates the tire has been approved for speeds up to 112 mph (180 km/h) under optimal conditions.

Everyday passenger vehicle tires can be S speed rated, but S tires often prioritize specific performance or function.

Many all-terrain LT tires are becoming available in an S rating as that’s the OE spec for many of these vehicles like the Ford Raptor. M & N speed ratings

An M speed rating indicates the tire has been approved for speeds up to 87 mph (140 km/h) and an N is approved for speeds up to just 81 mph (130 km/h) under optimal conditions.

You’ll find M and N ratings on tires for temporary use like spare tires

**Q: Does this come with its own rim or do I have to get one?**
A: Hello, 
This is the tire only.  Rims are sold separately.

**Q: Does anyone know if they make these tires for this size 275/70-75 R16 ?**
A: Amazon

**Q: Whats the ply rating?**
A: This is an E rated 10 ply tire. Thanks!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good tire
*by J***D on March 1, 2026*

Good tire. Have had mine for 30,000 miles. Confident in rain.

### ⭐⭐⭐⭐⭐ Quiter than Factory Highway Tread Tires on full size van.
*by P***T on February 12, 2025*

I have a full size chevy van that had the original factory tires. Was concerned these would be louder but it was the opposite. They were much quieter and the ride was smoother. Excellent purchase decision.

### ⭐⭐⭐⭐⭐ Great Tires made in the USA
*by J***T on August 17, 2024*

I really like these Cooper tires that are made in the USA. I used them on my long haul 1-ton Dodge truck, and I still use them on my 3/4-ton Ford farm truck. These last a long time, have good all-around tread grip and I don't notice a lot of highway noise.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-20*