All 14 listings, cheapest per fl oz first
| Item | Size | Price | Per fl oz | |
|---|---|---|---|---|
| HOANK (6 Gallons - Power Blast Windshield Washer Fluid, +32°F Protection, Blue, 1 Gallon Jug, Ready | 768 fl oz | $47.98 | $0.06 | Amazon → |
| Prime Guard 93506 All Season Blast -35°F Windshield Washer Fluid - 1 Gallon (Pack of 6) | 768 fl oz | $49.48 | $0.06 | Amazon → |
| Elite Tool Center 6 Pack -35°F All Season Blast Purple Windshield Washer Fluid – 1 Gallon Bottles - | 768 fl oz | $49.99 | $0.07 | Amazon → |
| Prestone AS658P All Season 3-in-1 Year Round Windshield Washer Fluid | 128 fl oz | $13.99 | $0.11 | Amazon → |
| Prime Guard +32°F Power Blast Blue Windshield Washer Fluid | 1 Gallon | 128 fl oz | $14.64 | $0.11 | Amazon → |
| Rain-x 2 in 1 All Season (-25) Washer Fluid Net Wt 128 Fl Oz, 128 Fluid Ounce | 128 fl oz | $14.99 | $0.12 | Amazon → |
| Prime Guard -35°F All Season Blast Windshield Washer Fluid | 1 Gallon | 128 fl oz | $15.97 | $0.12 | Amazon → |
| Prestone Bug Wash Windshield Washer Fluid, 1 Gallon | 128 fl oz | $16.92 | $0.13 | Amazon → |
| HOANK Power Blast Windshield Washer Fluid, 0°F Protection, Blue, 1 Gallon Jug, Ready to Use | 128 fl oz | $16.98 | $0.13 | Amazon → |
| ABRO Windshield Washer Fluid 1 Gallon, Streak-Free Bug Remover, 1 Pack | 128 fl oz | $17.49 | $0.14 | Amazon → |
| Clean Revolution Advanced All Season Windshield Washer Fluid Ultra Low VOC Formula - Extreme -27°F W | 128 fl oz | $19.99 | $0.16 | Amazon → |
| UltraVision Windshield Washer Fluid +32F 1 Gallon Wiper Fluid | 128 fl oz | $20.15 | $0.16 | Amazon → |
| UCS Windshield Washer Fluid 1 Gallon, Streak-Free Bug Remover 1 Pack | 128 fl oz | $23.98 | $0.19 | Amazon → |
| Rain-X All Season -0°F Windshield Washer Fluid - 1 Gallon (Pack of 6) | 128 fl oz | $59.46 | $0.46 | Amazon → |
Prices as of 2026-10-24 19:45:21 UTC: Amazon item price (Amazon's own, else its lowest new offer) before shipping and tax, via Keepa. Size comes from Amazon's unit count or the listing title; check the listing before buying. Product prices and availability are accurate as of the date/time indicated and are subject to change. As an Amazon Associate, Sharpest earns from qualifying purchases.
More auto
- Car wash soap $0.14/fl oz
- Motor oil 0W-20 $0.19/fl oz
- Motor oil 5W-30 $0.13/fl oz