Engine Thermostat 600-421-6120 for Komatsu 4D95 / 6D95
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- Komatsu PC200-5, PC220-5 and selected 4D95L/6D95 engine installations
- check machine and engine revision.
Confirm thermostat temperature rating, diameter and engine serial number before installation.
Product Overview
A thermostat stuck open may keep an engine running too cool, while one stuck closed can lead to overheating. Before fitting a new thermostat, check the fan, radiator, coolant level and the condition of the thermostat housing seal.
Key Features & Performance
- A thermostat stuck open may keep an engine running too cool, while one stuck closed can lead to overheating.
- Confirm thermostat temperature rating, diameter and engine serial number before installation.
OE / Reference Numbers
- 600-421-6120
- 600-421-6110
Common Reasons for Replacement
Before fitting a new thermostat, check the fan, radiator, coolant level and the condition of the thermostat housing seal.
Frequently Asked Questions
Is this an OEM part? This listing is for a replacement part, not a genuine manufacturer-branded item unless expressly stated otherwise.
How do I check fitment? Confirm thermostat temperature rating, diameter and engine serial number before installation.
Part Summary
keywords: Engine Thermostat 600-421-6120 for Komatsu 4D95 / 6D95, 600-421-6120, 600-421-6110, Komatsu PC200-5, PC220-5 and selected 4D95L/6D95 engine installations, check machine and engine revision.
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.