MaxPower 42 in. Standard Mower Blade Set for Riding Mowers – 2 pk is a purpose-driven replacement kit built to restore power and precision to your 42" deck Craftsman riding mower. With two blades in every package, you’ll have a ready-to-install set that keeps your lawn looking even and well-cut season after season.
Designed for durability and reliable performance, each blade measures 21 inches in length and uses a standard blade profile ready to drop into your mower with minimal downtime.
- 21 inches per blade
- fits 42-inch riding mower decks
- 2 blades per pack
- 5-point star mounting for secure fit
- Replaces part numbers 138971, 138498, 127843
Exact fit and broad compatibility are at the heart of this blade set. It’s designed to work with models requiring the following OEM numbers: 127843, 138498, 138971, 138971X431, 532138971, 53-21278-43, 53-21384-98, 53-21389-71, 532 13 84-98, 532 13 89-71. If your Craftsman riding mower uses any of these OEM references, you’re likely to experience a straightforward install and dependable cutting performance.
Why choose this MaxPower blade set? It’s about consistent cutting quality and quick maintenance for riders. The 2-pack format gives you an immediate replacement pair, helping you maintain balance and cutting efficiency—important factors when dealing with uneven grass, thick weeds, or seasonal shifts. The 5-point star hole pattern ensures secure mounting, minimizing vibration and noise while you mow.
Who is this ideal for?
- Homeowners with Craftsman riding mowers operating a 42" deck who need OEM-replacement blades
- Mower owners seeking a ready-to-install, dependable two-blade set to minimize downtime
- People performing routine blade maintenance or replacing worn blades to maintain an even, consistent cut
Practical tips for installation and care
- Inspect blade edges for nicks and burrs before installing; replace both blades in the set to maintain balance and cutting quality
- Match the 5-point star hole pattern with your mounting bolts for a secure fit
- Follow your mower’s safety protocol when servicing blades (disconnect the spark plug cap and wear gloves) before any replacement work
- Keep blades dry and clean after mowing to extend their life and prevent corrosion