Kohler — How to Find Part Numbers
Operation
From a Kohler manual covering: 100ERES, 100REZG, 125ERES, 125REZG, 150REZG, 25REZG, 30REZG, 40ERES, 40REZG, 45ERES, 45REZG, 50ERES…. Check it applies to your exact model before use.
Applies to: Kohler 100ERES, Kohler 100REZG, Kohler 125ERES, Kohler 125REZG, Kohler 150REZG, Kohler 25REZG, Kohler 30REZG, Kohler 40ERES, Kohler 40REZG, Kohler 45ERES, Kohler 45REZG, Kohler 50ERES
Procedure
- Locate the generator set nameplate to identify the generator set spec number.
- Locate the second nameplate listing accessories to identify installed modules; on some models it is inside the junction box.
- Turn to the Specification Number Index; the first column lists generator set spec numbers.
- Identify the group most likely to include the service part number.
- Find the group variation number at the intersection of the spec number row and group column.
- Page forward to locate that group or find the page in the Table of Contents.
- Find the part on the illustration and note the item number, or find the part description in the parts list.
- Select the part number that corresponds to your group variation using the column on the right side of the parts list table.
Full service-parts list: Kohler 100ERES →, Kohler 100REZG →, Kohler 125ERES →, Kohler 125REZG →, Kohler 25REZG →, Kohler 30REZG →, Kohler 40ERES →, Kohler 40REZG →, Kohler 45ERES →, Kohler 45REZG →, Kohler 50ERES →
Source: Kohler manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.