---
product_id: 18918503
title: "Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire"
brand: "cooper"
price: "€ 1234.45"
currency: EUR
in_stock: false
reviews_count: 13
url: https://www.desertcart.com.cy/products/18918503-cooper-discoverer-stt-pro-all-season-31x10-50r15lt-109q-tire
store_origin: CY
region: Cyprus
---

# 31-inch diameter for commanding presence All-season tread excels in mud, snow & dirt Armor Tek3 sidewall tech for ultimate durability Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire

**Brand:** cooper
**Price:** € 1234.45
**Availability:** ❌ Out of Stock

## Summary

> 🛞 Elevate your off-road game with unstoppable traction and rugged durability!

## Quick Answers

- **What is this?** Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire by cooper
- **How much does it cost?** € 1234.45 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/18918503-cooper-discoverer-stt-pro-all-season-31x10-50r15lt-109q-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

- • **All-Season Versatility:** Engineered to deliver confident traction from highway to mud, snow, and rocky paths.
- • **Stone Armor Technology:** Innovative tread channels expel stones to maintain peak performance and prevent damage.
- • **Heavy-Duty Load Capacity:** Supports up to 2,270 lbs with a robust 50 PSI max pressure for reliable hauling.
- • **Unmatched Off-Road Dominance:** Conquer rugged terrain with deep Climber Cleats and Mud Slingers 2.0 for relentless grip.
- • **Armor Tek3 Sidewall Protection:** Reinforced sidewalls resist punctures and abrasions on the toughest trails.

## Overview

The Cooper Discoverer STT Pro 31X10.50R15LT 109Q is a premium all-season off-road tire featuring advanced Armor Tek3 sidewall technology, deep tread patterns with mud scoops and climber cleats, and Stone Armor channels to resist damage and maintain traction. Designed for light trucks and SUVs, it supports heavy loads up to 2,270 lbs and excels in diverse conditions from highways to extreme off-road environments.

## Description

The Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire is the most extreme all-season, off-road tire Cooper offers to date, providing remarkable off-road performance without sacrificing on-road traction. The Discoverer STT PRO tire delivers best-in-class off-road performance, empowering the extreme off-roader to take on the toughest challenges. Patented Armor Tek3 tire technology adds strength to the tire sidewall, providing increased resistance to damage while driving over boulders and uneven, tough terrain. The Discoverer STT Pro comes with rubber formulated to combat shredding and damage from stones and off-road obstacles. The ROCK CLIMBER SIDEWALL gets max traction to help conquer even the toughest obstacles with deep ‘Climber Cleats’ and Flex Grooves built into the side of the tire that grip jagged rocks and power through thick mud. The MUD SLINGERS 2.0 are deep, wide trenches with additional notches throughout the tread combine to give you more grip to power through and help continuously clear thick mud from the tire. The EARTH DIGGERS can tackle tricky terrain with large blocks with alternating mud scoops that forcefully dig into loose dirt, sand or sticky mud. The STONE ARMOR TECHNOLOGY provides the ultimate durability with channels, ridges, and edges designed to help defend against sharp rocks and debris while expelling lodged stones.

Review: Love them! Great looking tires! Rides really nice - Looks great in the jeep wanted to wait to review until we rode on them for awhile but overall really nice tires
Review: These tires hold up well - I run these on my truck already and the really dig in and get a grip plus they hold up well I do put tire protectant on them with uv blocker in a to help them last longer but they are a great tire and more affordable than good year or bf goodrich Or mickey Thompson tread depth is very deep and they clear stones easily work great in snow mud and highway they hum but not too bad and they balance easy

## Features

- All-Season Off-Road Traction Tire
- The most extreme all-season, off-road tire Cooper offers to date
- Provides remarkable off-road performance without sacrificing on-road traction
- Tread design helps to prevent stone retention
- Armor Tek3 construction for added tire durability
- The shoulder of the tire was designed with soft surface cleats and mud scoops
- Standard Limited Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B014HH7B9E |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #1,285,588 in Automotive ( See Top 100 in Automotive ) #2,523 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.3 4.3 out of 5 stars (66) |
| Date First Available | August 26, 2015 |
| Global Trade Identification Number | 00029142829454, 00291428294540 |
| Is Discontinued By Manufacturer | No |
| Item Diameter | 30.8 Inches |
| Item Weight | 46.1 pounds |
| Item model number | 170110034 |
| Load Capacity | 2270 Pounds |
| Load Range | C |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170110034 |
| Maximum Pressure | 50 Pound per Square Inch |
| Model | DISCOVERER STT PRO |
| OEM Part Number | 9023638 |
| Section Width | 10.5 Inches |
| Size | 31X10.50R15LT 109Q |
| Tire Diameter | 31 Inches |
| Tread Depth | 20 32nds |
| Tread Type | Non-Directional |
| UPC | 826825966358 291428294540 029142829454 |
| UTQG | C 6P |
| Unit Count | 1.0 Count |
| Vehicle Tire ISO Metric Size Description | 31/10.50R15 |

## Product Details

- **Brand:** Cooper
- **Load Capacity:** 2270 Pounds
- **Load Index:** 109.0
- **Rim Size:** 15 Inches
- **Section Width:** 10.5 Inches
- **Size:** 31X10.50R15LT 109Q
- **Speed Rating:** Q
- **Tire Aspect Ratio:** 10.5
- **Tread Depth:** 20 32nds
- **Tread Type:** Non-Directional

## Images

![Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire - Image 1](https://m.media-amazon.com/images/I/81JGm+U5UUL.jpg)
![Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire - Image 2](https://m.media-amazon.com/images/I/81PIbBCFJeL.jpg)
![Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire - Image 3](https://m.media-amazon.com/images/I/81aQX-ppp2L.jpg)
![Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire - Image 4](https://m.media-amazon.com/images/I/81wPJoHoKWL.jpg)
![Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire - Image 5](https://m.media-amazon.com/images/I/81xam6Rzz6L.jpg)

## Questions & Answers

**Q: Do these have white letters?**
A: This is going to be an all black sidewall. Thanks!

**Q: are these 10 ply tires?**
A: Listing states 10 ply

**Q: How badly will my MPGs drop with these tires?**
A: I lost almost 20%.  That being said... They are awesome tires.

**Q: Will these fit on a 15x8 wheel?**
A: Hello, 
These will not fit a 15x8 wheel.  This tire fits a15x8.5" to 15x11" wheel. 
Thanks,

## Customer Reviews

### ⭐⭐⭐⭐⭐ Love them! Great looking tires! Rides really nice
*by M***N on October 22, 2025*

Looks great in the jeep wanted to wait to review until we rode on them for awhile but overall really nice tires

### ⭐⭐⭐⭐⭐ These tires hold up well
*by T***S on December 3, 2024*

I run these on my truck already and the really dig in and get a grip plus they hold up well I do put tire protectant on them with uv blocker in a to help them last longer but they are a great tire and more affordable than good year or bf goodrich Or mickey Thompson tread depth is very deep and they clear stones easily work great in snow mud and highway they hum but not too bad and they balance easy

### ⭐⭐⭐⭐⭐ Great offroad tire with minimal NVH
*by R***L on July 14, 2017*

Bought these exact tires from amazon about 2 years ago in november 2017 for my 1992 Toyota 4Runner. They are just about to need replacing after approx 20k miles. As long as you rotate these tires a minimum of once every 5k miles they roll very nicely with minimal road noise even at speeds of 70mph. If you have to go faster than 70mph these are probably not the tires for you. Have gone on mild trails with these tires as well as in fairly deep soft sand with no problems. They look amazing on the truck as well. I originally had Mickey Thompson Baja MTZ Radial tires on the same rims in the same size and I would not get those again after trying these cooper stt pro's. They are a much more advanced tire and still offer the offroad performance that I need.

## Frequently Bought Together

- Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire
- MIKKUPPA 1/2-20 Lug Nuts - Replacement for 1987-2018 Jeep Wrangler JK, 2002-2012 Jeep Liberty, 1993-2010 Jeep Grand Cherokee Aftermarket Wheel - 20pcs Black Closed End Solid Lug Nuts
- Rough Country Black Steel 15x8 | 5x4.5 | -19mm-RC158545 Wheel with Painted and Center Cap is not Included. (15 x 8. inches /5 x 4 inches, -19 inches Offset)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-25*