46 inch Mower Deck Rebuild Kit for Hus qvarna Z246 YTH22V46 RZ4619 RZ4621 Includes 2 Spindle 174358 532174356, 2 Blade 403107 405380, 1 Be lt 539117245

What It Is

This is a comprehensive rebuild kit for 46-inch Husqvarna mower decks, designed to replace worn spindles, blades, and the drive belt in a single purchase. It’s intended for residential/commercial zero-turn and lawn tractor models like the Z246, YTH22V46, RZ4619, and RZ4621.

Fitment & Compatibility

Before buying, verify three things:

• Deck size: This kit is for 46-inch decks only—measure your deck width from blade tip to blade tip.
• Model fit: Confirmed for Husqvarna Z246, YTH22V46, RZ4619, and RZ4621. Also fits many other 46-inch Husqvarna decks (e.g., some LGT and TS models), but cross-check your machine’s model number with the OEM spindle part (174358/532174356) and belt (539117245).
• Blade compatibility: Includes two blades (403107 and 405380). These are high-lift blades; ensure your deck uses the same blade length and center hole pattern (typically 3/4-inch center hole, 16.5-inch length).

What to measure: Deck width (blade tip to blade tip), spindle bolt pattern (usually 3-bolt), and belt length (the included belt is 117.245 inches). If your deck uses a different belt length, you’ll need a separate belt.

Key Things to Know

• Quality: Aftermarket parts (not OEM Husqvarna). Spindles are typically cast iron or steel with sealed bearings—decent for the price, but bearings may wear faster than OEM under heavy use.
• Installation difficulty: Moderate. You’ll need basic tools (socket set, jack, possibly a puller for stuck spindles). Expect 1–2 hours.
• Common gotchas:
  • The belt routing diagram is often missing—take a photo of your old belt path before removing.
  • Spindle bolts may be torqued to 30–40 ft-lbs; use thread locker if reusing old bolts.
  • Blades are not universal—double-check blade length (measure old blades) to avoid clearance issues.

Should You Buy It

If your 46-inch Husqvarna deck has noisy spindles, dull blades, or a slipping belt, this kit is a cost-effective one-stop fix for DIYers. It’s a solid value for residential mowing, but if you run a commercial fleet or need OEM reliability, buy genuine Husqvarna spindles and blades separately.