Lightning Savings - 20% off!

00:00:00

Deals Rebates Tire Advice Financing

Search

Track your order

Search by tire size or brand

Shopping Cart

Hello, Anonymous!

Profile Membership Savings Change password Address Book Order History

Menu

Deals Rebates Tire Advice Financing

Track order

There was an error with your Synchrony CAR CARE Payment. Please try again or click the Checkout button!

Home
/
All Tires
/
Lawn&Garden/Golf Cart
/
RubberMaster
/
Style:
RubberMaster - Turf S366K

For delivery estimate

RubberMaster Turf S366K Lawn&Garden/Golf Cart Tires

Filter

RubberMaster

•

Lawn&Garden/Golf Cart

+ 1 filter applied

Sort by

Recommended
Lowest Price
From $37
Mileage Warranty

RubberMaster Turf S366K 18X9.50-8 B/4PLY

450350 RubberMaster Turf S366K 18X9.50-8 B/4PLY Tires

Rims Not Included

Lawn and Garden
Lawn&Garden/Golf Cart

easy test score

7.8 Great

4.3

11 reviews

Per Tire:

$37.25

OR

$Loading /mo

Save $

Lightning Savings

Was $46.56

Strikethrough Pricing on Tires Easy

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

Estimated Delivery

Loading

Free Shipping

Installation available

Please contact customer support. (855) 770-3279

Low on stock: 9 tires left

RubberMaster Turf S366K 20X10.00-8 B/4PLY

450364 RubberMaster Turf S366K 20X10.00-8 B/4PLY Tires

Rims Not Included

Lawn and Garden
Lawn&Garden/Golf Cart

easy test score

7.8 Great

4.3

11 reviews

Per Tire:

$49.31

OR

$Loading /mo

Save $

Lightning Savings

Was $61.64

Strikethrough Pricing on Tires Easy

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

Estimated Delivery

Loading

Free Shipping

Installation available

Please contact customer support. (855) 770-3279

Filter

Cross Section Width

18
20

results found

Aspect Ratio

10.00
9.50

results found

Wheel Diameter

8

results found

Reset

MINIMUM - MAXIMUM

Filter

RubberMaster - EA-372A (1)
RubberMaster - Lawnguard RM16 (5)
RubberMaster - R1 S247 (1)
RubberMaster - Rib P508 (6)
RubberMaster - Rib S379 (3)
RubberMaster - S-Turf P332 (15)
RubberMaster - S-Turf S374 (1)
RubberMaster - S374H (1)
RubberMaster - Sawtooth P509 (1)
RubberMaster - Sawtooth P606 (4)
RubberMaster - SE-372A (1)
RubberMaster - Smooth P607 (3)
RubberMaster - Stud S356 (3)
RubberMaster - Turf P512 (1)
RubberMaster - Turf S365 (8)
RubberMaster - Turf S366 (2)
RubberMaster - Turf S366K (2)

Free Shipping (2)

4 (2)

(2)

Compare tires at a glance using our easy test score^® system. Our proprietary algorithm factors in performance, expert insights, user reviews, and Uniform Tire Quality Grading (UTQG) scores.

Four criteria factor into easy test score^®

Consumer reviews

Research based on customer reviews and buying behavior
Treadwear

The lifespan of a tire based on wear performance
Traction

The ability of a tire to grip to the road in wet conditions
Expert ratings

Input from veteran tire industry experts

Unlock even lower prices

Get up to 40% off eligible tires - for a limited time only.

No passwords. No spam. Just savings.

Email Address

Please Set Your Zip Code

Enter your zip code to get better pricing and help find local installers.

Enter zip code

Reserving your tires

Calculating fastest shipping time to

Checking for deals

Product added to your cart!

Thank you for waiting!

offer-image

Type in a name for your car

Search for tires by

Select your vehicle

Year

Make

Model

Trim

Zip code

Search

No matches. Try a different spelling.

Confirm your tire size

Enter your zip code to get best shipping and installation options:

Continue without your zip code

Select your tire size

Width

Ratio

Diameter

Zip code

Search

We couldn't find a match. Please try again

Select Aspect Ratio

Search

We couldn't find a match. Please try again

Select Diameter

Search

We couldn't find a match. Please try again

Enter your zip code to get best shipping and installation options:

Continue without your zip code

Select a tire brand

Popular brands

Since 2004, Tires Easy has simplified tire shopping for drivers across the continental US. With over 8 million tires sold, 66K+ 5-star ratings, and recognition in Newsweek's America's Best Online Shops for 2027, 2026 and 2025, ranked #5 in Cars, Motorcycles and Boats in 2027, we've earned a reputation for trust and reliability. We offer over 200 tire brands and partner with more than 1,000 installation centers nationwide, including Monro, Tire Choice, and Mr. Tire to make tire buying fast, affordable, and worry-free. Headquartered in California, we proudly serve drivers nationwide.

Sign Up For Special Offers

Email Address

First Name

Last Name

Useful Links

All Brands Contact Us Tire Rebates About Us Financing Shipping and Payment Return Policy Register Your Tires Membership FAQ Coupon Codes Customer Reviews Tire Installation Terms of Use Tire Coverage Privacy Policy Knowledge Center Affiliate Program Free Shipping Blog Tax Exemption Open Positions

Categories

Passenger Truck/SUV Van/Truck Trailer Commercial Truck Motorhome/RV Quad/ATV/UTV Lawn & Garden/Golf Cart Construction Farm View All

© 2026 Tires-Easy^® All Rights Reserved.