Specifications
Ratings spec sheet not in our library yet — see the documents below.
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Standard Duty | 4508301 | PartsGeek | ||
| Fuel filter | 2 Microns@ 98% Efficiency | GM50006 | Amazon eBay $35.39 PartsGeek | ||
| Oil filter | 30 Microns | GM32809 | Amazon eBay $42.50 PartsGeek | ||
| Belt | Flexible disc | GM64496 | Amazon eBay $36.00 PartsGeek | ||
| Coolant filter | N/A | — | find |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What oil filter does the Kohler 25- 45REZG use?
The Kohler 25- 45REZG uses oil filter part number GM32809.
What fuel filter does the Kohler 25- 45REZG use?
The Kohler 25- 45REZG uses fuel filter part number GM50006.
What air filter does the Kohler 25- 45REZG use?
The Kohler 25- 45REZG uses air filter part number 4508301.
Parts
2model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| GM75552 | Block Heater Kit | 1 | Service part / kit | PartsGeek |
| GM75553 | Block Heater Kit | 1 | Service part / kit | PartsGeek |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Spec sheet — WPC-PO-6463-100kw-SA-Submittal (Kohler)Spec sheet — WPC PO1110 100-kW-Kohler-KG100-Submittal (Kohler)Reference — g6175 (Kohler)Parts manual — Woodstock-200REOZJF-Submittal 01.18.24 (Kohler)