42 inch Deck Rebuild Kit for Cub Cadet LTX1040 LTX1042 RZT-42, Spindle Replaces 918-04822b 618-04822 918-04950, Blade 742-04308 742-04126 942-04126, Belt 754-04060, Pulley 956-04129

What It Is

This 42-inch deck rebuild kit provides all the major wear components—spindles, blades, belt, and pulley—needed to restore cutting performance on select Cub Cadet LTX1040, LTX1042, and RZT-42 lawn tractors. It’s designed for a full deck overhaul, not a single-part replacement.

Fitment & Compatibility

Before buying, confirm your mower’s model number (e.g., LTX1040, LTX1042, RZT-42) and that your deck is exactly 42 inches wide. This kit replaces OEM spindles (918-04822B, 618-04822, 918-04950), blades (742-04308, 742-04126, 942-04126), belt (754-04060), and pulley (956-04129). Measure your deck’s spindle mounting hole pattern (typically 3-bolt on 4-inch centers) and belt length (approx. 96.5 inches) to verify. Not compatible with 46-inch or 50-inch decks, or non-Cub Cadet brands without adapter plates.

Key Things to Know

• Quality vs. OEM: Aftermarket kit; blades and spindles are generally durable, but the belt may be slightly thinner than OEM—check tension after install.
• Installation difficulty: Moderate; requires removing the deck, unbolting old spindles, and aligning the new belt. A socket set, jack stands, and a blade puller are needed.
• Common gotcha: Spindle bolts may be seized—soak with penetrating oil 24 hours prior. The pulley’s center hole may need minor filing for a perfect fit on some decks.
• Included parts: Two spindles, two blades, one belt, one pulley, but no hardware (bolts, washers). Reuse or buy separately if rusty.

Should You Buy It

If your Cub Cadet’s deck is vibrating, cutting unevenly, or the belt slips, this kit is a cost-effective one-stop fix for a worn 42-inch deck. It’s best for DIY owners comfortable with medium-level wrenching who want to avoid piecemeal parts. Skip it if you need OEM-specific tolerance or only one damaged spindle—you’ll pay for extras you don’t use.