Air Filter Showing all 3 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sale! 2 Pack Husqvarna 576401601 & 577851501 Air Filters For 525L 525LS 525LST 525RJD $25.20 Original price was: $25.20.$7.56Current price is: $7.56. Add to cart Sale! Genuine Husqvarna 577851501 Air Filter Fits 525L 525LS 525LST 525RJD 525RS $10.66 Original price was: $10.66.$3.20Current price is: $3.20. Add to cart Sale! OEM Husqvarna 576401601 & 577851501 Air Filters For 525L 525LS 525LST 525RJD ++ $14.53 Original price was: $14.53.$4.36Current price is: $4.36. Add to cart