MaxPower's 331713S includes 1 blade for many 42 in. cut Poulan， Husqvarna， Craftsman mowers. Two blades are required for 42 in. cut diameter. This blade replaces OEM #s 127843， 138498， 138971， 138971X431， 53-21278-43， 53-21384-98， 53-21389-71， 532 13 84-98 and 532 13 89-71. This blade measures 21 in. L and 2-1/4 in. W with a 5 point star center hole. To ensure proper fit， please verify the OEM # of the blade you are replacing matches the OEM # listed in this description. MaxPower blades are proudly manufactured in the USA to meet or exceed OEM specification.

• Brand Name: MaxPower
• Fits Deck Size: 42 in.
• Blade Type: Standard
• Product Type: Mower Blade
• Use with Mower Type: Riding Mowers
• Number in Package: 1 pk
• Brand Compatibility: Craftsman/Husqvarna/Poulan
• Model Compatibility: Fits models requiring OEM numbers 127843， 138498， 138971， 138971X431， 53-21278-43， 53-21384-98， 53-21389-71， 532 13 84-98 and 532 13 89-71
• Blade Length: 21 in.
• Replaces OEM Part #: 138498， 138971， 138971X431， 532138971， 53-21278-43 and 53-21384-98
• Hole Pattern: 5 Point Star
• Width: 2-1/4 in.