John Deere Tension Idler Assembly (9312918)

PRODUCT DESCRIPTION

This premium aftermarket idler is compatible with multiple mini excavator models. Detailed information is as follows:

I. Core Compatible Models
John Deere: 17D, 17G, 17P, 17ZTS
Hitachi: ZX 17U-5N

II. Extended Compatible Models
This tension idler assembly (9312918) is also suitable for:
John Deere 17ZTS
Hitachi EX17U, ZX17U, ZX17U-5N

III. Product Function and Configuration
Core Function: Guides the track in and out of the track rollers, controls track slack and tension, and ensures stable operation of the track system.
Installation Status: Shipped fully assembled, ready to be directly installed on the tensioner (shipped as pictured; tensioner spring is not included).
Included Accessories: As a replacement for 2037059, it integrates the bushing (3055940) and brackets (2031923), eliminating the need for additional accessory purchases.

IV. Alternate Part Number Notes
Corresponding John Deere dealer part numbers: 9203517, 9312919, 9312918
Corresponding Hitachi dealer part numbers: 9203517, 9312919, 9312918

V. Product Quality Features
Single flange design, manufactured strictly to original specifications to ensure precise dimensional matching with the equipment.
Equipped with high-quality double lip seals: Effectively blocks dust and debris from entering while securely retaining lubrication, extending the assembly’s service life.
Direct replacement attribute: Yokes fit perfectly into the track frame, simplifying the installation process and improving replacement efficiency.

VI. Related Undercarriage Parts for John Deere 17D/17G
We also supply a full set of undercarriage maintenance parts for these models, including:
Sprockets: 2056268
Bottom rollers: 4340393
Idlers: 9312918 (this product)
Rubber tracks
One-stop solution for all your equipment’s undercarriage maintenance needs.