Standard EOS16 oil separator for the 2017-2024 Chevrolet Silverado 2500 HD 6.6L and other vehicles is a direct-fit OE replacement for the unit in the emissions system.
A crankcase vent hose or another emissions part can be behind oil residue near the unit or an emissions warning light, just as a cracked or leaking separator can. Find the cause before you buy.
Among the trucks it fits are the 2017-2024 Chevrolet Silverado 3500 HD 6.6L and the 2017-2024 GMC Sierra 2500 HD 6.6L. If yours is not one of those, enter your own truck's year and engine in the "Vehicles it fits" section.
Fit and size
Build and materials
One oil separator with gaskets. The vehicle takes one, so this listing covers it.
Interchange: EOS116 · MSAD30016 · 12682569 · 19432816 · SEP698
This part cross-references / interchanges with the following part numbers:
Does the Standard EOS16 oil separator fit a 2017-2024 GMC Sierra 2500 HD 6.6L?
Yes. Standard EOS16 fits the 2017-2024 GMC Sierra 2500 HD 6.6L and the 2017-2024 Chevrolet Silverado 3500 HD 6.6L. For any other truck, use the "Vehicles it fits" section.
Does the EOS16 oil separator come with gaskets?
Yes. Standard EOS16 includes gaskets, and the box holds one separator, which is the number the vehicle takes.
What are the inlet and outlet sizes on this oil separator?
The inlet diameter is 1.016 mm (0.04 in) and the outlet diameter is 1.778 mm (0.07 in). This oil separator has no connector.
How can I tell if my oil separator is cracked or leaking?
With the engine off and cool, look for cracks or oil residue on the unit. If an emissions warning light is on, a shop can test the system.
Is this engine oil separator tested to OE specifications?
Yes. Standard EOS16 is tested extensively to OE specifications and is a direct-fit OE replacement.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
