TENGMUJX 42-Inch Mower Deck Rebuild Kit for MTD & Cub Cadet — 2 Spindles, Blades & Belt

This complete 42-inch deck rebuild kit from TENGMUJX replaces worn spindles, blades, idlers and belt to restore cutting performance on compatible MTD and Cub Cadet riding mowers.

If your 42" deck has noisy spindles, uneven cutting, or slipping belts, this kit gathers the most commonly replaced hardware to simplify service. The package groups two spindle assemblies, two blades, two idlers and one deck belt selected to match original equipment numbers used by MTD, Cub Cadet and related models. Installing fresh components can reduce vibration, improve blade engagement and extend the life of your deck without buying a full replacement deck.

Which machines will this rebuild kit fit?

This kit is built to match the fit and mounting points on many 42-inch MTD and Cub Cadet decks. It references OEM part numbers to help you confirm compatibility before ordering.

• Compatible models: Cub Cadet LT42, LT42C, LX42, XT1-LT42, XT2-LX42 and similar 42" decks
• MTD chassis numbers included: 131PA1ZS099, 13AXA1KS099, 13APAZS099, 13APA1KS897
• Also fits CYT4220 and CYT4220SE 42" decks
• Compare OEM numbers: spindles 618-06976, blades 742-04308, belt 754-05021, idlers GY22082

What parts are included and how do they match OEM numbers?

The kit supplies the key wearable parts that commonly fail on older decks, packaged together to make deck service faster and more cost-effective. Each replacement lists the equivalent OEM references for easy cross-checking with your mower’s parts manual.

• 2 spindle assemblies — replaces MTD/Cub Cadet numbers 618-06976 and related variants
• 2 high-strength cutting blades — cross-references 742-04308 and compatible blade numbers
• 2 idler pulleys — replaces idlers listed as GY22082 / GY20629 or MTD 756-05034A
• 1 deck belt — matches MTD/Cub Cadet belt 754-05021 / 954-05021

How will these replacements affect mower performance?

Replacing worn spindles, blades, idlers and belt addresses the most common deck problems: vibration, scalloped cuts and poor power transfer. Fresh hardware restores alignment and blade speed, delivering a more even cut and quieter operation when installed correctly.

• Reduced vibration from new spindle bearings and housings
• Sharper, more consistent cut lines using undamaged blades
• Smoother belt tracking and reduced slipping with the matched deck belt
• Lower risk of premature wear when idlers are renewed

What should I know about installation and service life?

Installation requires basic mechanical tools and time to safely support the deck and remove blade assemblies. Following torque specs and alignment checks ensures the longest service life; worn deck components beyond these items may need inspection while you’re working.

• Use proper jack or lift support and disconnect the battery or spark to prevent accidents
• Inspect spindle mounting bolts, deck shell, and spring hardware for wear while parts are off
• Replace blades in matched pairs for even balance and torque to manufacturer specs
• Check belt routing diagrams so belt tracks correctly over the new idlers

Who is this for: This TENGMUJX rebuild kit is designed for homeowners, yard-care pros and DIY mechanics who want to refresh a 42" mower deck with OEM-equivalent parts. It’s ideal if you’re troubleshooting vibration, scalloped cutting, belt slipping or noisy spindles and prefer a single purchase that includes the most frequently needed replacements. If you’re unsure about fit, compare the listed OEM numbers against your mower’s parts plate or manual before buying.