942-05052A Mower Blades for 50" Deck Lawn Mower - Fits Cub Cadet 50" XT1 LT50 GT50 RZT SX50 EFI FAB Troy Bilt - 3 Pack
Dimension diagram for 942-05052A mower blade showing length, width, thickness, and 6-point star center hole.
Set of three 942-05052A mower blades for 50-inch deck lawn mowers with star center hole.
Instructional graphic showing how to install 942-05052A mower blades on a 50-inch lawn mower deck.
Single 942-05052A mower blade with rust-resistant safety coating for 50-inch deck lawn mowers.
942-05052A mower blade cutting grass, demonstrating 2-in-1 bagging and side discharge efficiency.
Close-up of 942-05052A mower blade showing heat-treated steel, protective coating, and precision sharpened edge.
Close-up of 942-05052A mower blade showing the 6-point star center hole mounting pattern for 50-inch deck mowers.
Set of three 942-05052A mower blades for 50-inch deck lawn mowers shown with a lawn mower in a grassy field.
Comparison graphic showing BlueStars 942-05052A mower blades for 50-inch deck mowers versus standard blades.
Dimension diagram for 942-05052A mower blade showing length, width, thickness, and 6-point star center hole.
Set of three 942-05052A mower blades for 50-inch deck lawn mowers with star center hole.
Instructional graphic showing how to install 942-05052A mower blades on a 50-inch lawn mower deck.
Single 942-05052A mower blade with rust-resistant safety coating for 50-inch deck lawn mowers.
942-05052A mower blade cutting grass, demonstrating 2-in-1 bagging and side discharge efficiency.
Close-up of 942-05052A mower blade showing heat-treated steel, protective coating, and precision sharpened edge.
Close-up of 942-05052A mower blade showing the 6-point star center hole mounting pattern for 50-inch deck mowers.
Set of three 942-05052A mower blades for 50-inch deck lawn mowers shown with a lawn mower in a grassy field.
Comparison graphic showing BlueStars 942-05052A mower blades for 50-inch deck mowers versus standard blades.
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942-05052A Mower Blades for 50" Deck Lawn Mower - Fits Cub Cadet 50" XT1 LT50 GT50 RZT SX50 EFI FAB Troy Bilt - 3 Pack

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942-05052A Mower Blades for 50 Inch Deck Lawn Mower

Key Features

  • High-lift blade design optimized for efficient grass discharge and bagging performance.
  • Set of 3 blades precision-engineered for 50-inch cutting decks.
  • Constructed from heavy-duty steel for durability and consistent cutting results.
  • Features a 6-point star center hole pattern for secure mounting.
  • Blade dimensions: 17.25 inches in length and 2.5 inches in width.

Replaces / Cross-Reference Part Numbers

  • 942-05052A
  • 742-05052A
  • 942-05052
  • 490-110-M155
  • 490-110-C155
  • CMXGZAM110155
  • 330-982
  • 15454

Compatibility & Fitment

  • Fits Cub Cadet 50-inch deck models including XT1, XT2, LT50, GT50, RZT, RZT-LX50, RZT-L50, and SX50.
  • Compatible with Troy-Bilt Mustang XP 50-inch series.
  • Compatible with Craftsman Z550 and various MTD-manufactured 50-inch lawn tractors and zero-turn mowers.
  • Designed for units manufactured from 2015 to present.

When to Replace

  • Replace blades when the cutting edge becomes dull, resulting in frayed or yellowed grass tips.
  • Replace immediately if the blade shows signs of structural damage, deep nicks, bending, or excessive metal fatigue.
  • Change blades if you experience increased vibration during mower operation, which may indicate an imbalanced blade.

Installation Tips

  • Always disconnect the spark plug wire and engage the parking brake before performing maintenance.
  • Use a wooden block to wedge the blade and prevent it from rotating while loosening the center mounting bolt.
  • Ensure the 6-point star center hole is properly aligned with the spindle shaft before tightening.
  • Torque the mounting bolt to the manufacturer's recommended specifications to ensure secure attachment.
  • Wear heavy-duty gloves when handling blades to protect against sharp edges.
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  • REPLACE PART NUMBERS

    REPLACE PART NUMBERS

    Cadet/MTD/Troy Bilt 742-05052A, 942-05052A, 742-05052, 942-05052
  • SAFETY COATING ON NEW BLADES

    SAFETY COATING ON NEW BLADES

    The coating wears off naturally with initial use. Do not remove manually.
  • 6-STAR HOLE

    6-STAR HOLE

    Please Confirm The Blade Or Spindle Pattern Before Replacing
  • IMPORTANT NOTE

    IMPORTANT NOTE

    This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility.
Brand Model Number
Cub Cadet (RZT Zero-Turn Series) RZT-LX50 KW, RZT-L50 KH, RZT-LX 50 KW, RZT-S50, RZT-S50 KH, RZT-SX 50 KH, RZT-SX50 Fab (2018), RZT-SX50 EFI Fab (2018-2020), RZT-S50 (2015-2017), RZT-LX50 Fab (2017-2018), RZT-L50 (2016-2018), RZT-L34 (2017-2018)
Cub Cadet (XT1 / XT2 Enduro Series) XT1-GT50 KH, XT1-GT50, XT1-LT50 KH, XT1-LT50, XT1-GT50 (2015-2021), XT1-LT50 (2015-2020), XT1-LT50 Fab (2019-2020), XT1-ST54 Fab (2016), XT2-LX50, XT2-LX50 (2015-2017), XT2-SLX50 EFI Fab (2019-2020), XT2-SLX50 EFI (2018-2020), XT2-SLX50 (2018-2020), XT2-GX50 Fab (2019-2020)
Cub Cadet (Ultima ZT Series & Engine Base Specs) ZT1-50 KW, ZT1-50 Fab, ZT2-50 KW, ZT2-50 Fab, L50 KH, LX 50 KW, S50, S50 KH, SX 50 EFI
Troy-Bilt Super Bronco 50, Super Bronco 50 XP, Mustang XP 50, TB2350
Craftsman G8200, G8300, ZS6700, Z550, T260
Columbia & Yard Machines & Murray Columbia CYT5023SE, Columbia ZT-L50, Columbia ZT-L50 KH FAB, Columbia ZT-L50 KH, Columbia N-RZT-34, Columbia CZT-L50, Yard Machines RZT-34, Yard Machines 770S, Murray M155-34, Murray M15534
NOTE This is not an exhaustive list. You can send us your lawn mower model and we will help you!

FAQ

These blades are designed for 50-inch cutting decks on a wide range of equipment, including Cub Cadet XT1, XT2, GT50, LT50, RZT-L50, RZT-LX50, RZT-S50, RZT-SX50, ZT1, and ZT2 series. They also fit various 50-inch deck models from Troy-Bilt, MTD, and Craftsman (including the Z550 and T260 series).
These blades replace OEM part numbers 942-05052A and 742-05052A. They also cross-reference with industry standard numbers such as 330-052 and 15454.
You should inspect your blades if you notice an uneven cut, ragged grass tips, or if the mower deck vibrates excessively during operation. If the cutting edges are dull, heavily chipped, or bent from striking rocks or debris, they should be replaced to ensure a clean cut and prevent damage to the mower's spindle bearings.
To perform the replacement, you will need a socket wrench (typically 5/8-inch or 15/16-inch depending on your specific spindle bolt), a block of wood to wedge the blade and prevent it from spinning while you loosen the bolt, and heavy-duty work gloves for safety. A torque wrench is recommended for re-installation to ensure the bolts are tightened to the manufacturer's specifications.
While the blades are removed, take the opportunity to clean out any grass buildup from the underside of the deck, which can trap moisture and cause corrosion. Check the spindle housings for any play or grease leaks, and inspect the drive belt for signs of cracking or fraying. If you notice the deck is not level, this is also the ideal time to perform a deck leveling adjustment.
These are 2-in-1 medium lift blades designed for efficient side discharge and bagging. While they provide a clean cut for general mowing, if you are strictly mulching, you may want to ensure your mower is equipped with a dedicated mulching plug to achieve the best results.