Karbay AM121968 idler pulley face close-up for smooth belt tracking
Karbay AM121968 idler pulley side view showing compact profile
Karbay AM121968 idler pulley outer diameter 2.86 inch detail
Karbay AM121968 idler pulley height 0.637 inch measurement
Karbay AM121968 idler pulley installed on a John Deere tractor
Karbay AM121968 replacement compatibility with AM107335
Karbay AM121968 packaging and labeling for easy identification

Karbay

Karbay AM121968 Idler Pulley for John Deere STX/LT Tractors — Replaces AM107335 (1 Pack)

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

$23.54

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Why customers choose PatioZora Garden

Overview

Upgrade or replace with the Karbay AM121968 idler pulley, a precise substitute for AM107335. Built to exact specifications, it aims to maintain proper belt alignment and support smooth operation as you mow. This part is designed to slot into your mower’s belt system without major adjustments, helping you keep routine maintenance plans on track.

Key specifications

  • Part Numbers: AM121968 and AM107335
  • Outer diameter: 2.86 inches
  • Height: 0.637 inches
  • Material and finish: engineered for durable, long-lasting performance in outdoor conditions

Compatibility and fit

  • John Deere Lawn Tractors: LT150, LT155, LT160, LT170, LT180, LT190, STX30, STX38, STX46
  • Rear Discharge models: LTR155, LTR166, LTR180
  • Sabre and Scotts alternatives: 1338G, 1438GS, 1438HS, 1538H, 1546G, 1638HS, 1646H, S2046

For questions or compatibility checks, please reach out—we’re happy to help determine if this replacement is a good match for your mower model.

Real-world use and benefits

  • Direct replacement ensures familiar belt routing and tensioning in compatible John Deere and Sabre/Scotts tractors.
  • Compact, exact dimensions support a tidy fit within the chassis, reducing interference with surrounding components.
  • Having a verified part number (AM121968/AM107335) simplifies ordering and partą history for service records.

Note: While dimensions and compatibility cover a broad range of models, installation quality and system condition influence final performance. If you’re unsure about fitment, contact us for guidance.

FAQ

Q: What is included with the Karbay AM121968 idler pulley?

A: A single Karbay AM121968 idler pulley, with part numbers AM121968 and AM107335.

Q: Will this fit my John Deere LT/STX/LTR tractor models?

A: Refer to the compatibility list: LT150–LT190, STX30/38/46, LTR155/166/180, Sabre 1338G-1646H, Scotts S2046.

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