---
product_id: 478576897
title: "Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire"
brand: "cooper"
price: "$2242.91"
currency: USD
in_stock: true
category: "Cooper"
url: https://www.desertcart.us/products/478576897-discoverer-stt-pro-all-season-35x12-50r17lt-121q-tire
store_origin: US
region: United States of America
---

# 35-inch diameter for commanding presence All-season tread for year-round traction Armor Tek3 sidewall tech for rock-solid durability Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire

**Brand:** cooper
**Price:** $2242.91
**Availability:** ✅ In Stock

## Summary

> 🛞 Rule Every Terrain, Every Season — Tire Tech That Means Business

## Quick Answers

- **What is this?** Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire by cooper
- **How much does it cost?** $2242.91 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/478576897-discoverer-stt-pro-all-season-35x12-50r17lt-121q-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

- • **Mud-Slinging Mastery:** Deep Mud Slingers 2.0 trenches clear thick mud for relentless forward momentum.
- • **All-Season Versatility:** Seamlessly transition from rugged trails to city streets without sacrificing grip.
- • **Stone Armor Protection:** Channels and ridges defend against sharp rocks, extending tire life and reliability.
- • **Heavy-Duty Load Capacity:** 10-ply radial construction supports up to 3,195 lbs with a robust 65 psi max pressure.
- • **Unmatched Off-Road Dominance:** Conquer boulders and mud with patented Armor Tek3 and Rock Climber Sidewall tech.

## Overview

The Cooper Discoverer STT Pro 35X12.50R17LT 121Q is a premium all-season, off-road tire engineered for extreme durability and superior traction. Featuring patented Armor Tek3 sidewall technology, deep Mud Slingers 2.0 trenches, and Rock Climber Sidewalls, it delivers best-in-class performance on rocks, mud, and loose terrain while maintaining reliable on-road handling. Built with a 10-ply radial construction and a 3,195-pound load capacity, this tire is designed for serious off-road enthusiasts who demand toughness and versatility year-round.

## Description

The Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q 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.

## Features

- All-Season Off-Road Traction Tire

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BBWD4DG7 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #365,557 in Automotive ( See Top 100 in Automotive ) #575 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.7 4.7 out of 5 stars (410) |
| Global Trade Identification Number | 00029142969860 |
| Included Components | Tire Only |
| Item Diameter | 34.57 inches |
| Item Dimensions | 34.8 x 34.8 x 12.6 inches |
| Item Highlight | Light Truck Mud Terrain All Season Traction 121Q Rated E (10 Ply) Radial Construction Raised White Letters Tire |
| Item Type Name | Tire |
| Item Weight | 69.5 pounds |
| Load Capacity | 3195 pounds |
| Load Index | 121 |
| Load Range | E |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170255034 |
| Manufacturer Warranty Description | Standard Limited Warranty |
| Maximum Pressure | 65 psi |
| Model Number | 170255034 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | 170228011 |
| Ply | 10-Ply |
| Rim Size | 17 inches |
| Rim Width | 10 inches |
| Seasons | Year Round |
| Section Width | 12.5 millimeters |
| Size | 35X12.50R17LT 121Q |
| Spare Tire Mounting Location | Front or Rear |
| Speed Rating | Q |
| Tire Aspect Ratio | 72 |
| Tire Diameter | 34.57 |
| Tread Depth | 21 thirty_seconds_inches |
| Tread Type | Non-Directional |
| UPC | 029142969860 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 317.5/35R17 |

## Product Details

- **Brand:** Cooper
- **Load Capacity:** 3195 pounds
- **Load Index:** 121
- **Rim Size:** 17 inches
- **Section Width:** 12.5 millimeters
- **Size:** 35X12.50R17LT 121Q
- **Speed Rating:** Q
- **Tire Aspect Ratio:** 72
- **Tread Depth:** 21 thirty_seconds_inches
- **Tread Type:** Non-Directional

## Images

![Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire - Image 1](https://m.media-amazon.com/images/I/81yAZbtaAIL.jpg)

## Available Options

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

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-11*