Karbay

Karbay GY20986 Deck Drive Belt Idler Arm Plate for John Deere D140/E160/L130/LA145 Tractors (Replaces GY20986BLE, GY20760BLE)

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

$33.13

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium patio lawn and garden quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose Cera Garden

Revitalize your John Deere mower deck with the Karbay GY20986 Idler Plate

When a tractor deck belt slips, wobbles, or drifts out of alignment, a reliable replacement part can make a noticeable difference in daily mowing. The Karbay GY20986 kit is designed as a direct, ready-to-install option for popular John Deere models, offering a precise fit that aligns with original hardware and keeps maintenance straightforward.

What’s included

  • Deck Drive Belt Idler, plus the GX21582 mower deck belt tension spring
  • Deck Bushing GX23240 and Flange Screw 19M7867
  • Notes on compatibility: replaces GY20986BLE, GY20986, and GY20760BLE

What this kit fits

  • John Deere D-series and E-series tractors such as D140, D150, D155, D160, E140, E150, E160, E170
  • LA, L, and X series including L120, L130, LA130, LA140, LA145, LA155, LA165, X140, X165, X166

This kit aims to deliver a drop-in replacement for the drive belt idler assembly, helping to maintain proper belt tracking and deck alignment. It combines essential components in one package so you don’t have to source parts individually.

Why consider this replacement

  • Potentially smoother belt operation and reduced deck wear when alignment is restored
  • Direct compatibility with widely used John Deere tractor models
  • Fresh components may help stabilize belt tension and overall deck performance

Installation and care tips

Before you start, verify model and part size. Disconnect power, remove the mower deck as needed, and replace the idler, tension spring, bushing, and flange screw. Recheck alignment and test the deck at a safe speed before use.

For best results, consult your tractor’s service manual and follow standard safety precautions during maintenance. This description provides guidance based on the listed parts and compatibility.

FAQ

Q: What models is the Karbay GY20986 Deck Drive Belt Idler Arm Plate compatible with?

A: This kit fits John Deere tractors including D140, E160, D160, LA145, and other listed models; please confirm your exact model before purchase.

Q: What’s included in the Karbay GY20986 kit?

A: The kit includes 1 x GY20986 Deck Drive Belt Idler, 1 x GX21582 Mower Deck Belt Tension Spring, 1 x GX23240 Deck Bushing, and 1 x 19M7867 Flange Screw.