Aftermarket MaxLLTo Replacement 503818001 Air Filter for Husqvarna A brand-new, unused, unopened, undamaged item Product Information The package contains 2 Air Filters Replaces Brands Part Numbers: 503818001 , 503 81 80-01 Compatible Model for Husqvarna 362 371 372XP 362 371 372 Chainsaws Please make sure this is the correct item for your order. About us Every product from MaxLLTo will enjoy 30 days Money-back and 18-Months Worry-free Warranty. If you're not sure whether it fits your model, please email us-includes your Models and serial number. Note - This is an aftermarket replacement Parts. Any brand name is used solely for the purpose of demonstrating compatibility.