Maxpower 331713S Mower Blade 42" Standard For Riding Mowers Keep your lawn looking sharp with the Maxpower 331713S 21-inch standard mower blade, designed for use in 42-inch cutting deck riding mowers from trusted brands including Craftsman, Husqvarna, and Poulan. This single high-quality replacement blade measures 21 inches in length and 2-1/4 inches in width, featuring a 5-point star center hole pattern that ensures a secure fit on compatible mowers. Two blades are required to achieve the full 42-inch cutting diameter, making this an ideal replacement or spare for seasonal maintenance and blade rotation. Engineered to meet or exceed OEM specifications, the 331713S replaces a wide range of original equipment manufacturer part numbers, including: 127843, 138498, 138971, 138971X431, 53-21278-43, 53-21384-98, 53-21389-71, 532 13 84-98, and 532 13 89-71. This ensures compatibility with a broad selection of 42-inch cut mowers, simplifying the replacement process for homeowners and lawn care professionals alike. Always verify your existing blade?s OEM number to confirm proper fit before installation. Crafted for durability and performance, this standard blade is precision-balanced to reduce vibration and ensure clean, even grass cutting. Its hardened steel construction provides long-lasting edge retention and resistance to wear, even under heavy mowing conditions. The 5-point star hole design prevents slippage during operation, maintaining optimal alignment and power transfer from the mower deck to the blade for consistent cutting results. Weighing 1.960 lbs and packaged individually, the Maxpower 331713S is easy to store and transport. Proudly manufactured in the USA, it reflects Maxpower?s commitment to quality, reliability, and American craftsmanship. Whether you're maintaining a residential yard or commercial property, this blade delivers the strength and precision needed for a clean, professional-quality cut. Features - 21-inch standard mower blade for 42-inch cut riding mowers - Replaces OEM part numbers: 127843, 138498, 138971, 138971X431, 53-21278-43, 53-21384-98, 53-21389-71, 532 13 84-98, and 532 13 89-71 - Compatible with Craftsman, Husqvarna, and Poulan 42-inch deck riding mowers - 5-point star center hole ensures secure, vibration-free fit - Blade width: 2-1/4 inches for optimal cutting and discharge performance - Two blades required for full 42-inch cutting width - Hardened steel construction for durability and extended blade life - Precision-balanced design reduces vibration and improves mower performance - Ideal for residential and light commercial mowing applications - Easy to install and replace using standard tools - Meets or exceeds original equipment manufacturer (OEM) specifications - Proudly made in the USA - Designed for use with riding mowers only - Lightweight at 1.960 lbs for easy handling Specifications - Brand Compatibility: Craftsman, Husqvarna, Poulan - Model Compatibility: Riding mowers with 42" cutting decks - Product Type: Mower Blade - Blade Type: Standard - Blade Length: 21 inches - Width: 2-1/4 inches - Hole Pattern: 5 Point Star - Fits Deck Size: 42 inches - Number in Package: 1 pk - Each Weight: 1.960 lb (889 g) - Material: Hardened Steel - Use with Mower Type: Riding Mowers - Country of Origin: USA - Manufacturer: Maxpower - Part Number: 331713S - Alternative UPC: 844547001232 - Product Dimensions: 21" L x 2.25" W - Package Type: Individual - Included Components: 1 x Mower Blade (331713S) - Suggested Users: Homeowner, Lawn Care Professional Product Application The Maxpower 331713S Mower Blade is designed for reliable, high-performance cutting in residential and light commercial lawn care. Ideal for use on 42-inch deck riding mowers from Craftsman, Husqvarna, and Poulan, it ensures a clean, even cut across all types of grass and terrain. Whether replacing a worn blade or upgrading for peak performance, this standard blade provides the durability, balance, and precision needed for consistent results. As part of a routine maintenance schedule, replacing dull blades with Maxpower?s USA-made replacements helps improve mower efficiency, reduce engine strain, and enhance lawn health?keeping your grass looking healthy, uniform, and professionally maintained season after season.