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🛻 Drive Confidently, Rain or Shine — The Tire That Works as Hard as You Do!
The Cooper Discoverer HT3 LT275/70R18 is a rugged, all-season truck tire designed for highway precision and durability. Featuring a 10-ply rating and a 50,000-mile treadwear warranty, it excels in wet traction with four wide channels and biting edges, while its tread repels debris for longer life. Enjoy a quiet, comfortable ride backed by a 45-day satisfaction guarantee, making it the smart choice for professional drivers who demand reliability and performance year-round.
| ASIN | B00K80ZDXQ |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #58,920 in Automotive ( See Top 100 in Automotive ) #32 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand | Cooper |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.6 out of 5 stars 299 Reviews |
| Global Trade Identification Number | 00029142753605, 00291427536054 |
| Included Components | Tire Only |
| Item Diameter | 18 Inches |
| Item Dimensions | 33.23 x 33.23 x 11.1 inches |
| Item Type Name | Tire |
| Item Weight | 50.59 Pounds |
| Load Capacity | 3640 Pounds |
| Load Index | 125.0 |
| Load Range | E |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170199003 |
| Manufacturer Warranty Description | 50,000 Mile Treadwear |
| Maximum Pressure | 80 Pound per Square Inch |
| Model Number | 170199003 |
| OEM Equivalent Part Number | COOP-90000008309 |
| Ply | 10-Ply |
| Rim Size | 18 Inches |
| Seasons | Year Round |
| Section Width | 275 Millimeters |
| Size | LT275/70R18 125/122S |
| Speed Rating | S |
| Tire Aspect Ratio | 70.0 |
| Tire Diameter | 33.229999999999997 |
| Tread Depth | 14.5 32nds |
| Tread Type | Non-Directional |
| UPC | 291427536054 029142753605 826825962527 |
| Unit Count | 1.0 Count |
| Vehicle Tire ISO Metric Size Description | 275/70R18 |
A**R
Great truck tires
Great tires at a great price. They balanced good, and are wearing great
I**A
Cooper tire good product
Great deal fast shipping And very good product
T**T
Steer position best tire 👍👍
HT tire with grip. Great casing, great steer tire tread. Use as a steer tire, or use all around. These are a great tire and name brand for less!
A**O
Outstanding value in an E load tire
Stock replacement size for GMC Sierra 2500HD, 245-75R-16. these are 10ply E rated tires and by far the least expensive option I found. The deliver and prepay mounting service is good or bad depending on who’s local to you, my experience was just Ok. The tires ride fine, are quiet, seem like above average quality, US made (coopers are produced all over the world now) Time will tell how they hold up but so far so good.
R**S
Good Price
I purchased 4, LT245/75R16 COOPER HT3. Tires were delivered quickly to one of three offered tire install stores. One of the four had access rubber flaps hanging off the side bead. Makes me question manufacturers quality control. A fraction of the price for the same tires locally.
R**R
Good tires
It's a good tires
S**F
Good performance
I bought this tire to replace a dry rotted spare. This tire matches the other six tires on my Dodge dually. I have had good performance out of these tires and I would recommend them. Note that I have never used them on snow or ice except for one time in a light dusting, so I can't speak to performance in wintery conditions. I have run them at a sustained 70 mph in mountains and flat lands while towing. I do not find them noisy and I am pleased overall.
J**H
Great tire and amazing connection with Mr. tire
Awesome tire! Heavy duty for an amazing price. And the $99 4 wheel installation was legit. Mr. tire did a great job and In-N-Out and flawless process.
P**L
Five Stars
Accommodated me in every way. Thanks
Trustpilot
1 week ago
2 weeks ago