Air Filter HD Heavy Duty 503 81 80 01 For Husqvarna 371 372 372XP    Description:      100% Brand new and high quality.   Remove dust、 dirt and soot particles from the intake air.   Damaging particles can be entering your engine causing increased engine wear. The air filter is an essential supply for the health of both you and your motor vehicle.   We recommend to replace of the air filter every 4 months . Specification:   Condition: New Color: Yellow Size: 77mm(L) x 75mm (W) x 52mm (H) Package Weight: 60g Replaces OEM part number: 503 81 80-01   Fitment: (The Compatibility Is Just For Reference. Please Compare The Part Number With Your Original One Before Purchasing) Husqvarna chainsaw models 371、 372、 372XP   Package Included:   1 x Air Filter   Note: 1.Instruction is NOT included and professional installation is highly recommended. 2.This filter is the air filter for the engine locate under the hood NOT behind the glove box 3.Please check as much as possible to make sure the item is the one that you need、 for we provide clear pictures and measurements. 4.Please allow 0.5-1 inch difference due to manual measurement.