POSEAGLE spindle assembly gy21098 closeup shows precision machining for smooth blade rotation.
POSEAGLE gx20367 pulley closeup highlights durable construction for reliable belt drive.
POSEAGLE 1/2x103 belt closeup illustrates correct sizing for compatible decks.
POSEAGLE grease gun coupler with hose demonstrates easy pre-lubrication for smooth operation.
POSEAGLE aluminum spindle body conveys lightweight strength and longevity.
POSEAGLE Grade 5 screws emphasize secure, durable deck mounting.
POSEAGLE 42-inch deck compatibility note with D and LA model range.
POSEAGLE spindle-kit installation steps on John Deere deck for proper fitment.
POSEAGLE spindle kit installed on a John Deere tractor during a maintenance scene.

POSEAGLE

POSEAGLE 2-Pack Spindle Assembly Kit with GX20367 Pulley & GX20072 Belt for John Deere D100–LA135 Lawn Tractors

High-performance patio lawn and garden made for confident daily results

$97.51

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Why customers choose PatioZora Garden

Overview

Upgrade your John Deere lawn tractor with the POSEAGLE 2-Pack Spindle Assembly Kit, a thoughtfully bundled solution that combines a GY21098 spindle assembly, GX20367 pulley, and GX20072 belt (1/2 x 103) in one convenient package. This kit also includes a double-handle grease gun coupler with an 11.8-inch hose to support proactive lubrication, helping your mower deck stay responsive and ready for the season ahead.

What sets this kit apart is its focus on durable materials and precise manufacturing. The spindle bodies are crafted from premium aluminum alloy, paired with steel grease zerks and Grade 5 screws for secure assembly. Precision CNC machining yields burr-free threads, ensuring smooth bolt and nut fit and reducing installation friction. The included grease gun coupler makes it easier to apply lubrication before use, contributing to smoother operation and potentially reducing blade wear over time.

Included components

  • GY21098 Spindle Assembly (replacement for John Deere spindle parts)
  • GX20367 Spindle Pulley
  • GX20072 Belt (1/2 x 103)
  • Double-handle grease gun coupler with 11.8" hose

Key benefits

  • High-quality materials: premium aluminum spindle body, steel grease zerks, and Grade 5 screws for durable, long-lasting use.
  • Precise manufacturing: CNC machining delivers burr-free threads for clean, secure assembly.
  • Pre-lubrication advantage: included grease coupler supports easy, proactive lubrication before mowing.
  • Comprehensive replacement: combines spindle, pulley, and belt in one kit for convenient maintenance.

Fitment and compatibility

The kit is designed for John Deere 42-inch mower decks and covers a broad range of models, including the D100, D105, D110, D120, D125, D130 lines; E100–E130; LA100–LA135; S100–S120; and X105–X127, X145. The belt size and pulley specifications align with common replacements, helping to restore proper belt path and blade speed when parts have aged or deformed.

Practical use scenarios

  • Seasonal deck maintenance to address aging spindles, worn pulleys, or stretched belts.
  • Maintenance checks to improve cutting consistency and reduce unusual blade wear.
  • Onboarding a DIY maintenance routine with a ready-to-install kit that includes lubrication tools.

Notes on installation

Expect a straightforward replacement process: remove the old components, install the new spindle and pulley, route the belt, then tighten hardware. Lubricate before operation to support smoother starts and reliable deck performance.

FAQ

Q: What models is this kit compatible with?

A: Designed for 42-inch John Deere decks, covering D, E, LA, S, and X series; verify your exact model before purchase.

Q: What’s included in the kit?

A: Two spindle assemblies, a pulley, a belt, and a grease gun coupler with hose are included.

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