46-Inch Deck Rebuild Kit for Cub Cadet LT1045 & LT1046 | 954-04153 Belt

Overview

This 46-inch deck rebuild kit is built for select Cub Cadet LT1045, Cub Cadet LT1046, and related MTD-built 46-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: 3 spindle assemblies, 3 mower blades, 2 idler pulleys, and 1 deck drive belt.

This is a good option when your 46-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. Many Cub Cadet and MTD decks look similar but use different belts, blades, spindles, idlers, and blade layouts.

Kit Includes

• 3 spindle assemblies
• 2 mower blades replacing the 742-04125 / 942-04125 path
• 1 mower blade replacing the 742-04124 / 942-04124 path
• 1 idler pulley replacing the 756-04129 / 956-04129 path
• 1 idler pulley replacing the 756-0627 / 956-0627 / 756-0365 path
• 1 deck drive belt

Compatible Brands & Model Series

This deck rebuild kit is intended for select 46-inch Cub Cadet and MTD-built mower decks using the listed replacement part numbers.

• Cub Cadet: LT1045 and LT1046 46-inch deck applications using the 954-04153 belt path
• MTD: select 46-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 46-inch deck, blade layout, and original deck part numbers before ordering.

Replaces Common Deck Belt Numbers

• Cub Cadet / MTD: 754-04153, 954-04153, 95404153A

Belt Size: 1/2 inch x 122 inches

Replaces Common Blade Numbers

Two Blades Included — 16-1/4 Inch Path

• Cub Cadet / MTD: 742-04125, 942-04125, 742-0611, 942-0611
• Additional References: 1029, 112-0304

Blade Specs: 16-1/4 inch blade.

One Blade Included — 14-13/16 Inch Path

• Cub Cadet / MTD: 742-04124, 942-04124, 942-0612, 9420612A
• Additional References: 1030, 112-0302

Blade Specs: 14-13/16 inch blade.

Blade note: This kit uses two different blade paths. Confirm your original blade numbers and blade layout before ordering.

Replaces Common Spindle Assembly Numbers

• Cub Cadet / MTD: 618-0625, 618-0660, 618-0660A, 618-04137, 918-04137, 918-0660, 918-0660B

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

Replaces Common Idler Pulley Numbers

Idler Pulley Path 1

• Cub Cadet / MTD: 756-04129, 956-04129

Idler Pulley Path 2

• Cub Cadet / MTD: 756-0627, 956-0627, 756-0365, 956-0365

Before Ordering

Before ordering this 46-inch deck rebuild kit, confirm:

• Your mower uses a 46-inch 3-blade deck
• Your mower is in the Cub Cadet LT1045 / LT1046-style deck family
• Your original belt number matches 954-04153, 754-04153, or 95404153A
• Your spindle numbers match the 618-0625 / 618-0660 / 918-0660 spindle path
• Your deck uses two blades in the 742-04125 / 942-04125 path
• Your deck uses one blade in the 742-04124 / 942-04124 path
• Your idler pulleys match the 756-04129 / 956-04129 and 756-0627 / 956-0627 / 756-0365 paths
• 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
• Mark blade positions before removing the old blades, since this kit uses two blade lengths
• 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 LT1045?

This kit is intended for select Cub Cadet LT1045 46-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 LT1046?

This kit is intended for select Cub Cadet LT1046 46-inch mower decks using the listed part-number path. Confirm your deck size, blade layout, and original parts before ordering.

What belt comes in this kit?

This kit includes a deck belt replacing 954-04153, 754-04153, and 95404153A. The listed belt size is 1/2 inch x 122 inches.

Why are there two different blade numbers in this kit?

This kit includes two blades in the 742-04125 / 942-04125 path and one blade in the 742-04124 / 942-04124 path. Confirm your original blade numbers and blade positions before ordering.

What spindle numbers does this kit replace?

This kit includes three spindle assemblies replacing the 618-0625 / 618-0660 / 918-0660 spindle path. Confirm your original spindle number and mounting pattern before ordering.

What idler pulley numbers does this kit replace?

This kit includes one idler pulley in the 756-04129 / 956-04129 path and one idler pulley in the 756-0627 / 956-0627 / 756-0365 path.

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 numbers, spindle numbers, idler pulley numbers, and deck layout whenever possible.

Should I replace all deck parts at once?

If multiple parts are worn, a complete deck rebuild kit can save time and money compared to replacing one part at a time. Always inspect the deck shell, belt guides, tension springs, idler arms, and mounting hardware before installation.

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.