✓【Compatible Models】Designed for 48 inch lawn mower decks, compatible with H usqvarna: Z248, Z248F, Z4822, Z4824, Z4218, Z4219, Z4824, Z4818, Z4822, Z4218, RZ4824f, YTA24V48, YTH1848XP, YTH1848XPF, YTH2148, YTH2248, GTH2248XPA, GTH2448T, GTH250, GTH264T, 2348LS, 2748GLS, EZ4824BI; P oulan: PB20VA48, PB23H48LGT, PB23H48YT, PP22V48, PB23H48YT mowers, ensures accurate compatibility and seamless integration with your existing equipment
✓【Replacement Part Numbers】Direct replacement for multiple O EM part numbers including H usqvarna: 532180054,532173920, 532173921; A YP: 173920,173921, 180054, 512258301, 539107519, 575938201, 575938301, 917173920, 917532173920, 917532180054, 917539107519, 917577203106, 954633774; for C raftsman: 24679, CMXGZAM110149; P oulan: 532180054, 539107519, 575938201, 575938301, PP24006; For A riens: 21547939
✓【Mulching Performance】Serrated edges enhance grass clippings decomposition, returns nutrients to soil for healthier lawn, sharp precision ground edges provide clean consistent cuts with minimal effort
✓【Durable Construction】Heavy duty steel construction resists bending and breaking, maintains sharpness longer than standard blades, withstands frequent use in various lawn conditions
✓【Precision Engineered】 Each 173921 blade measures 16 7/9" in length, 2 1/2" in width, 0.2020" in thickness, and features a 1" circular center hole. Confirm these dimensions match your mower blade for optimal performance and safety