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Cooper Discoverer A/T3 4S All Terrain 255/70R18 113T Light Truck Tire

Name: Cooper Discoverer A/T3 4S All Terrain 255/70R18 113T Light Truck Tire
Brand: Cooper
SKU: 870999640
Price: 252.99 USD
Availability: OutOfStock
Rating: 4.5 (958 reviews)

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Key item features

Robust Construction: Features steel belted construction with polyester plies and a nylon cap layer for enhanced strength, durability, higher load carrying capacity, and protection against cuts, chips, and abrasions.
All-Terrain Performance: Designed for light trucks and SUVs, offering off-road capability while maintaining ride comfort, low noise, and good road manners on pavement.
Severe Weather Certified: Three Peak Mountain Snowflake certified, ensuring reliable performance in severe winter weather conditions, including slush and snow.
Aggressive Tread: Incorporates an aggressive tread pattern with wide grooves, five ribs, zigzag sipes, and sawtooth blocks for strong traction on both on-road and off-road surfaces.
Hydroplaning Resistance: Equipped with Aqua Vac channels within its open five-rib all-terrain tread pattern to effectively resist hydroplaning.
Extended Treadlife: Backed by a 65,000-mile limited manufacturer tread life, indicating long-term durability for its silica-enriched tread formulation.

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Specs

Tire season
All-Season
Manufacturer
Cooper
Tire width
255 mm
Tire load range
B
Tire load index
113
Vehicle fitment type
Universal

Reviews summary

Pros

: Handles well on paved surfaces, including in rain and snow.
: Tires feature raised sidewall patterns for a rugged look.
: Offers various sizes at a competitive price.

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Current price is $252.99

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Product details

Cooper Discoverer A/T3 4S 255/70R18 113T

OVERVIEW

The Discoverer AT3 4S tire from Cooper delivers off-road performance for light trucks and SUVs without giving up ride comfort, low noise, and road manners on the pavement. The Discoverer AT3 4S features a silica-enriched tread formulation with two steel belts, polyester cord plies, and a nylon reinforcement layer. Where the rubber meets the road, you'll find an open five-rib all-terrain tread pattern with Aqua Vac channels to resist hydroplaning, Micro-Gauge zigzag sipes, and sawtooth block edges for traction in slush and snow. Backed by a 65,000 mile limited manufacturer tread life, the Discoverer AT3 4S is Three Peak Mountain Snowflake certified for use in moderate to severe winter weather conditions.

- Sidewall style: Black Sidewall
- Designed for use on light trucks and SUVs
- Backed by a 65,000 mile limited manufacturer tread life
- Three Peak Mountain Snowflake certified for use in severe winter weather conditions
- Steel belted construction with polyester plies and nylon cap layer enhance strength and durability for a higher load carrying capacity and to guard the tire against cuts, chips, and abrasions
- Aggressive tread pattern with wide grooves, five ribs, zigzag sipes, and sawtooth blocks allows for strong traction on- and off-road
Size: 255/70R18
Load Range: SL
Product May Vary From Picture
Wheel/Rim Not Included

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Tire season

All-Season

Manufacturer

Cooper

Tire width

255 mm

Tire load range

Warranty

Warranty information

65,000 mile limited warranty covering any defects in materials or workmanship,

Warranty url

https://us.coopertire.com/CooperTireUSConsumer2017/media/Miscellaneous/2021-WarrantyRegBook-US-Eng-v1.pdf

Customer ratings & reviews

4.5 out of 5 stars

stars958 ratings796 reviews

How item rating is calculated

Reviews summary

Pros

: Handles well on paved surfaces, including in rain and snow.
: Tires feature raised sidewall patterns for a rugged look.
: Offers various sizes at a competitive price.

Generated by AI

Customer photos

+12 images

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Showing 1-3 of 796 reviews

Jan 13, 2026

Richard

Sold byPriority Tire

5 out of 5 stars review

Verified Purchase

Efficient and helpful

Installation was efficient and the technician was customer oriented and very helpful. I was able to shop during the installation and was sent updates by text during the installation. The product was as expected and seems to be installed correctly and professionally.

Helpful?

Jul 24, 2025

WalmartCustomer

5 out of 5 stars review

Verified Purchase

Product has reputation for quality and reliability. I have personally used several Cooper products in the past and mileage ratings are to me,conservative .All my vechicles have Cooper tires on them.

Incentivized Review

Helpful?

Aug 22, 2025

Peter

Sold bySimpleTire LLC

5 out of 5 stars review

Verified Purchase