Berpse GY21401 deck idler arm for 54-inch John Deere decks with smooth belt tracking.
Berpse GY21401 belt tension spring maintains proper tension for reliable mowing.
Berpse 14M7400 lock nut secures components quickly and securely.
Berpse GX23240 deck bushing reduces play for improved alignment.
Berpse 19M7867 flange screw provides sturdy, lasting attachment.
Kit includes all parts for an easy installation of the deck idler upgrade.
Berpse GY21401 compatible with 54-inch John Deere decks LA175 D170 E180.

BERPSE

BERPSE GY21401 Deck Idler Arm Kit for John Deere 54-inch Deck Tractors LA175 D170 E180 — Includes Spring, Nut & Bushing

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

$44.09

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Why customers choose PatioZora Garden

Overview

The Berpse GY21401 Deck Idler Arm Kit is a practical upgrade for maintaining belt drive alignment and consistent mowing on John Deere 54-inch deck tractors such as LA175, D170, and E180. Designed to replace worn parts, this kit bundles the essential components you need for a straightforward service, helping you restore smooth operation without guessing at compatibility.

What’s Included

  • GY21401 Deck Idler Arm
  • Belt Tension Spring
  • 14M7400 10 mm Lock Nut
  • GX23240 Deck Bushing
  • 19M7867 Flange Screw

Key Specs and Fit

  • Overall length of the belt tension spring: 6.5 inches
  • Coil length: 2.5 inches
  • Outside diameter: 0.960 inches

Compatible Models

Designed for 54-inch mower decks on John Deere tractors including LA175, D170, E180 and other units in the 100 Series. It also aligns with common replacements across models such as 190C and G110.

Why Choose This Kit

  • Designed to support proper belt tension and deck alignment, which can contribute to smoother operation during mowing tasks
  • Includes a complete set of parts, reducing the need for extra purchases
  • Durable components engineered to resist routine wear and environmental exposure
  • Ready to install with clear part references, aiding DIY maintenance

Usage notes for best results: ensure the mower is cool before handling hardware; have basic hand tools ready; follow the included part references for a straightforward swap. Our team aims to help with any questions within 24 hours of contact.

Assurance

We strive to provide a smooth shopping experience with responsive support. If you encounter any issues during purchase or installation, reach out and we will respond promptly to assist you.

FAQ

Q: What parts are included in the Berpse GY21401 kit?

A: The kit includes the GY21401 deck idler arm, belt tension spring, 14M7400 lock nut, GX23240 bushing, and 19M7867 flange screw.

Q: Which tractors and deck sizes does this kit fit?

A: Designed for 54-inch mower decks on LA175, D170, E180, and related 100 Series models.

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