42 Inch Deck Rebuild Kit Fit Cub Cadet LT1040 LT1042 Troy-Bilt Pony Bronco MTD Yard Machines Lawn Mower Parts Includes 2 918-04456 Spindles 2 742-0616 Blade 1 Belt 754-04060 2 ldler 756-04129

What It Is

This 42-inch deck rebuild kit includes two spindle assemblies (part 918-04456), two blades (742-0616), a drive belt (754-04060), and two idler pulleys (756-04129). It’s designed for a full refresh of the cutting deck on select Cub Cadet, Troy-Bilt, MTD, and Yard Machines lawn tractors with 42-inch fabricated or stamped decks.

Fitment & Compatibility

Before buying, verify your mower’s deck width (must be exactly 42 inches) and model number. This kit fits Cub Cadet LT1040, LT1042, Troy-Bilt Pony/Bronco, MTD Yard Machines, and similar models using spindle part 918-04456, blade 742-0616, belt 754-04060, and idler 756-04129. Not all 42-inch decks use these same parts—cross-check your OEM part numbers on the existing spindles, blades, belt, and idlers. Measure the belt length (likely 92.5 inches) and spindle shaft diameter (typically 5/8 inch) if possible. This is an aftermarket kit, not OEM Cub Cadet, so spindle housings, bearings, and blade balance may vary slightly from original.

Key Things to Know

• Quality: Aftermarket spindles and idlers are generally functional but may use lighter-duty bearings than OEM. Expect 1–2 seasons of residential use before potential wear.
• Installation: Moderate difficulty—requires removing the deck, swapping spindles, blades, belt, and idlers. Have a socket set, torque wrench (spindle bolts ~50 ft-lbs), and a blade puller. Watch for stripped deck mounting holes.
• Common Gotchas: Blade bolts often seize—use penetrating oil and heat if needed. Ensure belt routing matches your deck diagram (misrouting causes poor cutting or belt slip). Idler pulleys must spin freely; check for burrs on the bracket.
• Included Parts: Kit contains two spindles, two blades, one belt, and two idlers. You may also need new blade bolts or a deck leveling gauge (not included).

Should You Buy It

This kit is a solid value for a budget-friendly deck overhaul on a residential mower, especially if you have multiple worn components. It’s best for DIYers comfortable with moderate mechanical work who want to avoid buying parts individually. Skip it if you need OEM durability for heavy commercial use or if your deck has structural damage—then a new deck or OEM spindles are better.