42-Inch Deck Rebuild Kit for Cub Cadet LTX1045, LTX1046 & LTX1046VT | 954-05021 Belt

Overview

This 42-inch deck rebuild kit is built for select Cub Cadet LTX1045, LTX1046, LTX1046VT, and related MTD-built 42-inch mower decks using the listed belt, blade, spindle, and idler pulley part numbers.

The kit includes the main wear parts commonly replaced during a mower deck refresh: 2 spindle assemblies, 2 mower blades, 2 idler pulleys, and 1 deck drive belt.

This is a good option when your 42-inch mower deck has noisy spindle bearings, worn blades, slipping belts, noisy idler pulleys, uneven cut quality, deck vibration, or multiple deck parts that need to be replaced at the same time.

Important: Match your mower model, deck size, blade count, and original deck part numbers before ordering. Some supplier data lists LTX1046 and LTX1046VT, but this kit is for the listed 42-inch deck part-number path. Do not order by model name alone.

Kit Includes

• 2 spindle assemblies
• 2 mower blades
• 2 idler pulleys
• 1 deck drive belt

Compatible Brands & Model Series

This deck rebuild kit is intended for select 42-inch Cub Cadet and MTD-built mower decks using the listed replacement part numbers.

• Cub Cadet: select LTX1045, LTX1046, and LTX1046VT 42-inch deck applications using the 954-05021 belt path
• MTD-built Cub Cadet: select 42-inch deck platforms using the listed belt, blade, spindle, and idler pulley numbers

Fitment note: Model names are provided as fitment clues. Always confirm your mower has a 42-inch deck and that your original part numbers match this listing before ordering.

Replaces Common Deck Belt Numbers

• Cub Cadet / MTD: 754-05021, 954-05021

Belt Size: 1/2 inch x 100 inches

Replaces Common Blade Numbers

• Cub Cadet / MTD: 490-110-M108, 742-04308, 742-04312, 742-0656, 942-04308, 942-04312
• Additional Reference: 14058

Blade Specs: 21-3/16 inch blade.

Replaces Common Spindle Assembly Numbers

• Cub Cadet / MTD: 618-06976, 618-06976A, 918-06976

Spindle note: Confirm your spindle mounting pattern, pulley setup, blade mount, and deck shell condition before installation.

Replaces Common Idler Pulley Numbers

• Listed References: GY20110, GY20629, GY22082, 756-05034

Idler Pulley Specs: 5-7/32 inch OD, 1-23/32 inch height.

Idler note: Supplier data lists these idler pulley references with this Cub Cadet / MTD kit. Match your original idler pulley size, mounting location, and belt routing before ordering.

Before Ordering

Before ordering this 42-inch deck rebuild kit, confirm:

• Your mower uses a 42-inch 2-blade deck
• Your mower is in the Cub Cadet LTX1045 / LTX1046 / LTX1046VT-style deck family using the listed 42-inch part-number path
• Your original belt number matches 954-05021 or 754-05021
• Your blade numbers match the 742-04308 / 942-04308 / 742-04312 / 942-04312 blade path
• Your spindle numbers match the 618-06976 / 918-06976 spindle path
• Your idler pulleys match the listed pulley size and part-number path
• Your deck shell, belt guides, idler arms, spindle mounting holes, and tension system are in usable condition

Do not install parts until fitment is confirmed. Installed deck parts may not be eligible for return.

Common Symptoms This Kit Helps Fix

• Noisy spindle bearings
• Deck vibration
• Uneven cut quality
• Dull, bent, cracked, or worn blades
• Deck belt slipping, squealing, or jumping off
• Noisy or loose idler pulleys
• Blade wobble or bearing play
• Multiple deck parts worn at the same time

Installation Notes

• Park the mower on a level surface and disconnect the spark plug before working on the deck
• Take photos of the belt routing before removing old parts
• Inspect the deck shell for cracks, wallowed holes, rust damage, or bent mounting areas
• Check spindle mounting bolts, blade bolts, washers, belt guides, idler arms, and tension springs
• Compare the new parts to your original parts before installation
• After installation, rotate the blades by hand with the mower off to confirm there is no contact or binding
• Test the mower at low speed first and listen for vibration, belt tracking issues, squealing, or unusual noise

Why Buy From PTO Direct USA?

• Fast USA shipping
• Fitment-first product descriptions
• Clear part-number routing for mower deck repairs
• Deck parts organized by belts, blades, spindles, pulleys, and rebuild kits
• Support for homeowners, repair shops, and mower owners

Need Help Confirming Fitment?

If you are unsure whether this kit fits your mower, send us your mower model number, deck size, blade count, and photos of your original belt, blades, spindles, idler pulleys, mower deck, and mower ID tag before ordering.

FAQ

Does this fit Cub Cadet LTX1045?

This kit is intended for select Cub Cadet LTX1045 42-inch mower decks using the listed belt, blade, spindle, and idler pulley part numbers. Confirm your original parts before ordering.

Does this fit Cub Cadet LTX1046 or LTX1046VT?

The supplier lists select LTX1046 and LTX1046VT applications, but this kit is for the listed 42-inch deck part-number path. Confirm your deck size and original part numbers before ordering.

What belt comes in this kit?

This kit includes a deck belt replacing 954-05021 and 754-05021. The listed belt size is 1/2 inch x 100 inches.

What blades come in this kit?

This kit includes two blades replacing the 742-04308 / 942-04308 / 742-04312 / 942-04312 blade path. The listed blade length is 21-3/16 inches.

What spindle numbers does this kit replace?

This kit includes two spindle assemblies replacing the 618-06976 / 918-06976 spindle path. Confirm your original spindle number and mounting pattern before ordering.

What idler pulley numbers does this kit replace?

This kit includes two idler pulleys listed with the GY20110 / GY20629 / GY22082 / 756-05034 reference path. Confirm pulley size, location, and belt routing before ordering.

Can I order this kit by mower appearance?

No. Do not order by appearance alone. Match your mower model, deck size, blade count, belt number, blade number, spindle number, idler pulley number, and deck layout whenever possible.

Need individual deck parts instead? Browse mower deck belts, mower blades, spindle assemblies, and deck pulleys and idlers.

Need a different deck setup? Browse the full mower deck parts catalog.