TENGMUJX 42-Inch Deck Rebuild Kit for John Deere L110 L111 L118 L120 — 2 Spindles, 2 Blades, 4 Pulleys & Belt

If your John Deere or compatible mower with a 42-inch deck is running rough, losing cutting quality, or making abnormal noises, this TENGMUJX rebuild kit supplies the common wear parts needed to bring the deck back to dependable service. The kit groups two replacement spindles, two blades, four idler/pulley assemblies and a deck belt, each matched to widely used John Deere OEM numbers so installation fits original mounting points and belt routing.

What parts are included and which OEM numbers do they replace?

The kit is assembled to cover the most frequent deck failures: spindle bearings, worn blades, failing idlers, and an aged belt. Each component cross-references John Deere part numbers so you can verify compatibility before ordering.

• 2 spindles replacing John Deere GY20050 and GY20785
• 2 blades replacing GX20249, GY20567 and GX20433
• 1 belt replacing GX20072 and GY20570
• 4 idler/pulleys: two GX20367/UC23728, one GY20067/GY22172, one GY20110/GY20629

Which mower models and decks work with this rebuild kit?

This set is built for 42-inch decks on a range of John Deere and compatible machines. It also fits certain Sabre, Sabo and Scotts models that share the same deck dimensions and mounting layout.

• John Deere: L100, L105, L107, L108, L110, L111, L118 (42" deck)
• Sabre & Sabo: 108-14.5, 108-17HS, 14.542GS, 17.542HS, 1642HS, 1742HS
• Scotts: L17.542, L1742 (42" deck)
• Check your mower’s deck part numbers and belt routing diagram for final confirmation

How will installing this kit affect cutting performance and maintenance?

Replacing worn spindles and blades restores blade tip speed and deck stability, improving cut quality and reducing vibration. New pulleys and a fresh belt ensure proper tension and routing, reducing slippage and premature belt wear.

• Sharper, more even cut from fresh blades and true spindle bearings
• Reduced vibration and noise with replaced spindle units
• Reliable belt engagement from new pulleys and belt
• Fewer unexpected breakdowns and easier seasonal maintenance

What should I know about installation and service support?

Installation uses the existing deck mounting points and common hand tools; mechanics familiar with mower decks can usually perform the swap in a few hours. TENGMUJX provides a two-year warranty and customer support for part questions or fitment guidance.

• Follow deck safety steps: disconnect spark plug, stabilize mower, remove blades carefully
• Torque spindle and pulley fasteners to manufacturer specs to prevent loosening
• Inspect deck shell and mandrel supports while parts are off for additional wear
• TENGMUJX offers 24-month after-sales warranty and response within 24 hours

Who is this kit for: This TENGMUJX 42-inch deck rebuild kit suits owners and technicians maintaining John Deere L-series mowers and compatible decks who want a single-purchase solution to address the most common deck wear items. It’s ideal for do-it-yourselfers comfortable with basic mechanical work, lawn care shops doing routine deck overhauls, and fleet managers replacing multiple components at once to reduce future service visits. If you need parts that align with John Deere OEM numbers and want a coordinated set for quicker deck restoration, this kit provides the essential components and manufacturer support to complete the job.