The Ultimate Guide to Evaporative Cooler Maintenance & Repair DIY Swamp Cooler Service, Troubleshooting & Replacement Parts If you own a residential evaporative … read more Feb 11th 2026 Bryan Robert
Why You Should Use an Evaporative Cooler Cover in the Winter (and How to Size It) When winter settles in and temperatures drop, your evaporative cooler is ready for a well-d … read more Dec 11th 2025 Bryan Robert
Why use an evaporative cooler? What Are the Benefits of Evaporative Cooling? I've been asked this question many times over the yea … read more Feb 15th 2014 Bryan Robert
Description Description Evaporative cooler v-belt for fractional horsepower applications. 4L-690 Or A-671/2" wide x 5/16" thick. View AllClose
Add to Cart Quick view 66" Evaporative Cooler Belt - 4L660- A64 MSRP: Now: $9.41 Was: Evaporative cooler v-belt for all fractional horsepower applications. 4L660 OR A-64. Replaces part # 4L660. 6566
Add to Cart Quick view 79" Evaporative Cooler Belt - 4L790- A77 MSRP: Now: $11.17 Was: Standard “Type A” High Quality 1/2″ Wide & 5⁄16″ Thick For Fractional Horsepower Motors Packaged in Sleeves 6579
Add to Cart Quick view 91" Evaporative Cooler Belt - 4L910- A89 MSRP: Now: $13.22 Was: Standard “Type A” High Quality 1/2″ Wide & 5⁄16″ Thick For Fractional Horsepower Motors Packaged in Sleeves 6591
Add to Cart Quick view 47" Evaporative Cooler Belt - 4L470- A45 MSRP: Now: $7.61 Was: Standard Type A High QualityFor Fractional Horsepower Motors. 4L-470 Or A-451/2" wide x 5/16" thick. Replaces Portacool BELT2K-45-01K 6547
Add to Cart Quick view 51" Evaporative Cooler Belt - 4L510- A49 MSRP: Now: $7.83 Was: For Fractional Horsepower Motors. 4L-510 Or A-491/2" wide x 5/16" thick 6551