42 Inch Deck Rebuild Kit Fit for MTD Craftsman Z6000 Zero Turn 42 inch Tractor Parts Spindle 918-05137 618-05137 Blade 490-110-M108 Idler Pulley 756-05042 756-04511B Belt 754-04033

What It Is

This is a complete deck rebuild kit for 42-inch cutting decks on MTD and Craftsman zero-turn mowers, specifically the Z6000 series. It includes spindles, blades, idler pulleys, and a belt—everything needed to refresh a worn-out deck in one purchase.

Fitment & Compatibility

Before buying, confirm your mower’s deck size is exactly 42 inches (measured blade tip to blade tip). This kit fits MTD and Craftsman Z6000 zero-turn models, plus select MTD-built tractors with a 42-inch deck. Check your spindle part numbers: OEM 918-05137 or 618-05137. Idler pulleys should match 756-05042 and 756-04511B. The belt is 754-04033. If your mower uses different spindle or pulley numbers, this kit won’t work. Measure your existing belt length and compare to 754-04033 specs (typically 96.5 inches). Not compatible with other brands or deck sizes.

Key Things to Know

• Quality is mixed: Some users report spindles failing within a season; blades are serviceable but not premium. Inspect bearings and shafts on arrival.
• Installation is moderate: Requires basic mechanical skills—removing deck, swapping spindles, pulleys, belt, and blades. Budget 2–3 hours. Have a socket set and torque wrench handy.
• Common gotcha: Idler pulleys may use different bolt sizes than your originals. Check thread pitch and length before reassembly. Also, belt tension adjustment might be needed after installation.
• Not a complete overhaul: This kit doesn’t include deck shell, mandrel housings, or anti-scalp wheels. If your deck is rusted or bent, this won’t fix it.

Should You Buy It

Buy this kit if your Z6000’s deck is mechanically sound but spindles are noisy, blades dull, pulleys worn, or belt slipping. It’s a cost-effective way to restore cutting performance in one go. Skip it if you need OEM-grade durability for heavy commercial use—consider buying individual OEM spindles and a better belt instead.