Standard Ignition EOS65 Engine Oil Separator
OE Quality 60-Day Returns
Standard Ignition

Standard Ignition EOS65 Engine Oil Separator

Brand Standard Ignition EOS65
Connector Gender No connector
Inlet Diameter (in) 0.04
Inlet Diameter (mm) 1.016
Outlet Diameter (in) 0.07
Outlet Diameter (mm) 1.778
Fits Mazda · 10 vehicles

Oil separator. Helps manage crankcase vapors in the engine system.

No connector. Simple design with inlet and outlet passages only.

Cross-references Standard Ignition EOS65, EOS167 and MSAC20005 for the same application. See all 5.

$61.69Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $61.69
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Oil Separator options

Engine Oil Separator for Mazda MX-5 Miata

Standard Ignition EOS65 is an engine oil separator for select Mazda MX-5 Miata applications. It is listed for 2016-2025 Mazda MX-5 Miata models and includes the PCV valve, making it a direct-fit service part for the crankcase ventilation system.

  • Engine oil separator for Mazda MX-5 Miata applications
  • Includes PCV valve
  • No connector design
  • Inlet diameter: 0.04 in. (1.016 mm)
  • Outlet diameter: 0.07 in. (1.778 mm)
  • Standard Ignition EOS65 replacement part

Product Details

The Standard Ignition EOS65 is built for the engine cylinder block components category and serves as an oil separator in the PCV system. By separating oil vapor from crankcase gases, it helps maintain cleaner intake routing and supports proper ventilation performance on 2016-2025 Mazda MX-5 Miata models. If you are searching for a Mazda MX-5 Miata oil separator with PCV valve included, EOS65 is the listed application.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues It May Address

  • Oil vapor buildup in the crankcase ventilation path
  • PCV system service needs on a Mazda MX-5 Miata
  • Restricted or inconsistent oil separation performance
  • Maintenance replacement for a worn engine oil separator
  • Fitment lookup for 2016-2025 Mazda MX-5 Miata EOS65 applications

Installation Notes and Tips

Verify the connector style before installation, as this unit is listed with no connector. Confirm inlet and outlet sizing against the original part and match the vehicle application exactly: Fits 2016-2025 Mazda MX-5 Miata, N/A. For search accuracy, this Standard Ignition EOS65 is also referenced as an engine oil separator for Mazda MX-5 Miata PCV service.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for replacement electrical and engine management components. EOS65 is cataloged with interchange references for related applications, including EOS167, MSAC20005, PEES13570, and SEP771.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2025MazdaMX-5 MiataIncludes PCV Valve
2024MazdaMX-5 MiataIncludes PCV Valve
2023MazdaMX-5 MiataIncludes PCV Valve
2022MazdaMX-5 MiataIncludes PCV Valve
2021MazdaMX-5 MiataIncludes PCV Valve
2020MazdaMX-5 MiataIncludes PCV Valve
2019MazdaMX-5 MiataIncludes PCV Valve
2018MazdaMX-5 MiataIncludes PCV Valve
2017MazdaMX-5 MiataIncludes PCV Valve
2016MazdaMX-5 MiataIncludes PCV Valve
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — EOS65EOS167MSAC20005PEES13570SEP771