631-04354C Chute Assembly Compatible with MTD, Cub Cadet, Troy-Bilt, T130 Z510 RZT-L42 ZT1-46 LX SX Ultima Replaces 631-04354, 631-04354A, 631-04354B, 731-07020, 731-07020B, 931-06354

What It Is

This is a replacement chute assembly that directs grass clippings or mulch out of the cutting deck on zero-turn and lawn tractors. Designed for MTD-built Cub Cadet, Troy-Bilt, and similar models, it’s a direct swap for broken or missing chutes.

Fitment & Compatibility

Before buying, confirm three things:

• Deck size: Fits 42-inch, 46-inch, and 50-inch decks on models like T130, Z510, RZT-L42, ZT1-46, LX, and SX Ultima. Measure your deck width to be sure.
• Model list: Works with Cub Cadet (T130, Z510, RZT-L42, ZT1-46, LX, SX Ultima) and Troy-Bilt (Pony, TB30, Bronco). Also fits some MTD yard tractors. Check your manual or existing part number.
• OEM vs aftermarket: This is an aftermarket part replacing OEM numbers 631-04354, 631-04354A, 631-04354B, 731-07020, 731-07020B, and 931-06354. It’s not genuine Cub Cadet, but reviews show it matches OEM dimensions closely.

Measurement tip: The chute opening is roughly 5.5 inches wide and 4 inches tall. Measure your old chute’s mounting holes (typically 3.5 inches apart) to verify fit.

Key Things to Know

• Quality: Made from durable plastic, similar to OEM. A few users report slight warping in extreme heat, but most find it holds up fine.
• Installation: Easy—remove two bolts, swap chute, reattach. No special tools needed. Takes about 10 minutes.
• Common gotcha: The chute may sit slightly looser than OEM on some decks. Use thread-locker on bolts to prevent vibration loosening. Also, verify your deck’s discharge opening is clean of debris before fitting.
• Compatibility check: If your mower has a mulching plug or bagger, this chute may interfere. Remove those attachments first.

Should You Buy It

Yes, if you need a budget-friendly replacement for a broken or missing chute on a compatible MTD/Cub Cadet/Troy-Bilt zero-turn or lawn tractor. It’s a solid, direct-fit alternative to OEM at about half the price. Skip it if you want a genuine Cub Cadet part or if your deck has odd dimensions not listed.