2021-2025
Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
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Cooper Discoverer STT Pro Mud-Terrain Tire (35" - LT305/70R18)Find parts that fit my vehicle
Item FB50764
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1 Reviews
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$409.99 each
$12.00 Oversized Item Fee
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Mud-Terrain Tire
- Size: 35-Inch - LT305/70R18
- Stone Armor Technology Guards Against Sharp Rocks and Debris
- Rock Climber Sidewall Technology with Climber Cleats and Flex Grooves
- Grip Jagged Rock and Powder Through Mud
- Uniquely Formulated Rubber Compound
- Outstanding Performance in Wet and Dry Off-Road Conditions
- Deep and Wide Trenches with Notches Clears Thick Mud on Tires
- Large Shoulder Scoops and Lugs for Tackling Tricky Terrains
- Durable, Dependable, and Long-Lasting Quality
- Straightforward Bolt-On Installation
- Drilling and Modification Not Required
- Standard Limited Warranty (See Website for Details)
- Universal Fitment
| Brand | Cooper |
| Tire Model | Discoverer STT Pro |
| Tire Type | Mud-Terrain |
| Tire Size | 35" - 305/70R18 |
| Tire Diameter | 35 |
| Tire Load Index | 126 (3748 lbs per tire) |
| Tire Load Rating | E |
| Tire Tread Depth | 21/32" |
| Tire Revs Per Mile | 575 |
| Tire Speed Rating | (Q) Up to 99mph |
| Tire Weight | 70 |
Description
Top Performance Tire. The Cooper Discoverer STT Pro Mud-Terrain Tire (35-Inch - LT305/70R18) is designed for off-road enthusiasts seeking superior traction and durability. This tire excels in tackling muddy, rocky, and rugged terrains with advanced technology that ensures outstanding performance in both wet and dry conditions.
Construction and Appearance. Built with a uniquely formulated rubber compound, the tire features Stone Armor Technology for protection against sharp rocks, while the Rock Climber Sidewall includes cleats and grooves for enhanced grip. The deep trenches and large shoulder scoops give the tire its aggressive, rugged look, designed to clear mud and handle tricky terrains.
Installation. Installation is straightforward with a bolt-on process, and no drilling or modifications are required, making it accessible for most users.
Warranty. Standard limited warranty available (refer to website for more details).
Application. This Cooper Discoverer STT Pro Mud-Terrain Tire (35-Inch - LT305/70R18) fits a universal range of vehicles.
Cooper 170125034
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Mud-Terrain Tire
5.0
Customer Reviews (1)
Jan 11, 2023
Review shared from Cooper Discoverer STT Pro Mud-Terrain Tire (33" - 285/65R18)
2013 Wrangler - JeepWranglers
Installation Time: Afternoon
Best tires ever
They are one of the most popular and best tires that I know
Onroad Ride Quality 5/5
Road Noise 5/5
Ride Quality 5/5
Wet Traction 5/5
Dry Traction 5/5
Snow Traction 5/5
Bang For Your Buck 5/5
Reviews of Cooper Tire products have an average rating of 4.8 out of 5
Feb 3, 2025
Review shared from Cooper Discoverer Rugged Trek Tire (33" - 275/70R18)
2018 Wrangler - KyleH
Love the sound
I love the sound of riding down the road with these tires on! Now coming to a stop is enjoyable. Great company with awesome reputation!
Nov 2, 2023
Review shared from Cooper Discoverer A/T3 XLT Tire (35" - 35x12.50R18)
2021 Wrangler 4xe - Marie513
These tires are beefy!
I really love how big these tires are, great in rain and on dry pavement but not sure about snow and ice yet.
May 25, 2023
Review shared from Cooper Evolution M/T Tire (35" - 35x12.50R17)
2021 Rubicon - CCOOPERMTTIRES
Cooper Tires
Good tires little costly but worth it. look good on the jeep with white letters showing
Mar 31, 2023
Review shared from Cooper Discoverer Rugged Trek Tire (33" - 275/70R18)
2011 Wrangler - SKub
Great tire
Made my jeep look 100% better. Fit perfect. Stock Jeep.
Feb 5, 2023
Review shared from Cooper Evolution M/T Tire (35" - 35x12.50R17)
2023 Rubicon - REDDER
SWEET!
Tires went on my baby BLACK Rubicon 2023 paired with candy red rims - it is definitely a high quality tire and also sweet on my eyes! Did not have a chance to test it off-road but is super sturdy on wet pavement.
Jan 11, 2023
Review shared from Cooper Discoverer STT Pro Mud-Terrain Tire (33" - 285/65R18)
2013 Wrangler - JeepWranglers
Best tires ever
They are one of the most popular and best tires that I know
Sep 18, 2022
Review shared from Cooper Evolution M/T Tire
2022 High Altitude - jhamz447
Great Aggressive Tread.
Cooper Tires best of the best. These look freak on my Black Rhino wheels.
Mar 10, 2019
Review shared from Cooper Discoverer S/T Maxx Tire (Available in Multiple Sizes)
2015 Wrangler - Alex
Great tires
Aggressive looking tires, great for any road and weather condition, got a lot of jealous looks on the road
Dec 24, 2018
Review shared from Cooper Discoverer A/T3 Tire (Available in Multiple Sizes)
2008 Wrangler - aswallace14
So far so good!
Great for the multi-terrain use, feels great on the highway, and gets me going on the off road obstacles. Highly recommend it to people like me for the mostly daily, and the occasional off roader
Nov 22, 2018
Review shared from Cooper Discoverer S/T Maxx Tire (Available in Multiple Sizes)
2012 Wrangler - Tom
Great tire
Excellent customer support and shipping from ET. Tire is very smooth on the road, virtually no road noise from a 35 12.5x20 with this aggressive of a tread, I was pleasantly surprised. They grip the road well in wet conditions and with winter fast approaching in northern Ohio I’m excited to see what they’ll do !
Questions & Answers
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