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Falken - GI-378

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Falken GI-378 Tires

Commercial Truck - All Position

The Falken GI-378 tire is a wide single for steer and trailer positions on cement, dump trucks, or any heavy application with a super single axle. The tread pattern is full depth and proven to be effective at resisting irregular wear.

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Falken - GI-378

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From $542
Mileage Warranty

Falken GI-378 385/65R22.5 J/18PLY

62378918 Falken GI-378 385/65R22.5 J/18PLY Tires

Rims Not Included

Commercial All Position
Commercial Truck - All Position

easy test score

9.7 Superb

Per Tire:

$541.56

OR

$Loading /mo

Save $

Lightning Savings

Was $676.95

Strikethrough Pricing on Giga Tires

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.

FET

$110.96

Estimated Delivery

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1 tire
2 tires
3 tires
4 tires
5 tires
6 tires
7 tires
8 tires
9 tires
10 tires

Please contact customer support. (877) 709-4442

Falken GI-378 445/65R22.5 L/20PLY

62378845 Falken GI-378 445/65R22.5 L/20PLY Tires

Rims Not Included

Commercial All Position
Commercial Truck - All Position

easy test score

9.7 Superb

Per Tire:

$704.70

OR

$Loading /mo

Save $

Lightning Savings

Was $880.88

Strikethrough Pricing on Giga Tires

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.

FET

$166.32

Estimated Delivery

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Shipping

Total

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OR

$ /mo

1 tire
2 tires
3 tires
4 tires
5 tires
6 tires
7 tires
8 tires
9 tires
10 tires

Please contact customer support. (877) 709-4442

Falken GI-378 425/65R22.5 L/20PLY

62378979 Falken GI-378 425/65R22.5 L/20PLY Tires

Rims Not Included

Commercial All Position
Commercial Truck - All Position

easy test score

9.7 Superb

Per Tire:

$707.86

OR

$Loading /mo

Save $

Lightning Savings

Was $884.83

Strikethrough Pricing on Giga Tires

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.

FET

$149.32

Estimated Delivery

Loading

Loading

Shipping

Total

Loading

OR

$ /mo

1 tire
2 tires
3 tires
4 tires
5 tires
6 tires
7 tires
8 tires
9 tires
10 tires

Please contact customer support. (877) 709-4442

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385
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445

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65

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22.5

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Commercial Truck (3)
Commercial Truck - All Position (3)

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158 (1)
165 (1)
168 (1)

L/20PLY (2)
J/18PLY (1)

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

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At Giga Tires, we’ve delivered unbeatable tire prices and service since 2014. With over 1 million tires sold, a #9 ranking in Newsweek’s America’s Best Online Shops for 2026, and 36K+ 5-star ratings, we offer over 45K+ products along with great promotions, discounts, and rebates. Enjoy fast shipping to your home or a local installer like PepBoys, Monro, and TireChoice. Backed by a 45-day return policy, we make tire buying simple, reliable, and affordable. Headquartered in California, we proudly serve drivers across the continental US.

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