1 / 7Glvvexa FC3Z6A785F Engine Oil Separator Assembly
The Glvvexa FC3Z6A785F Engine Oil Separator Assembly is listed as a replacement for 2017–2019 Ford Super Duty trucks with a 6.7L diesel engine. It names replacement part numbers FC3Z-6A785-F and FC3Z6A785F, so confirm the part number and vehicle fitment before ordering.
At a glance
- Listing identifies FC3Z-6A785-F and FC3Z6A785F as replacement part numbers.
- Fitment is claimed for Ford F-250, F-350, F-450 and F-550 Super Duty 6.7L Diesel models from 2017 through 2019.
- The described function is separating oil from the engine ventilation system.
- Package listing claims one engine oil separator assembly.
Pros and cons
Pros
- The listing gives both hyphenated and unhyphenated replacement part numbers, which helps compare against the existing part.
- Specified fitment covers four Super Duty model lines over three model years.
Technical specifications
3 specifications| Brand | Glvvexa |
|---|---|
| Model | Engine Oil Separator Assembly |
| Weight listed | 2.86 pounds |
|---|
What to know before buying
- Fitment and the claimed oil-separation function are listing claims, not independently verified. Confirm the exact vehicle year, model, engine and existing part number before purchase.
Who is it for?
A good fit for
- Owners sourcing a replacement separator for a listed 2017–2019 Ford Super Duty 6.7L diesel vehicle.
- Buyers whose existing part number matches FC3Z-6A785-F or FC3Z6A785F.
Less suited to
- Vehicles outside the listed models, years or engine unless fitment is separately confirmed.
- Buyers who need independently verified compatibility or performance evidence.

Customer reviews on Amazon
- 5 stars
100% 100% - 4 stars
0% 0% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
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Only aggregate ratings are supplied, with a very small number of ratings and no written feedback. That provides little basis for judging fitment, installation or durability. Buyers should rely on confirming the listed vehicle and part-number match rather than treating the rating as proof of compatibility.
Frequently asked questions
Which vehicles does the listing say this fits?
It claims fitment for Ford F-250, F-350, F-450 and F-550 Super Duty models with a 6.7L diesel engine from 2017 through 2019. Verify your exact vehicle and part number before ordering.
Which part numbers are listed for replacement?
The listing names FC3Z-6A785-F and FC3Z6A785F.
What is included?
The listing claims the package includes one FC3Z6A785F engine oil separator assembly. It does not give a more detailed package inventory.
Does the listing establish how well the separator performs?
No independent performance evidence is supplied. The listing describes the assembly as separating oil from the engine ventilation system.

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