Description
Product Overview
The PartsFlow crankcase ventilation filter is designed specifically for Ford Super Duty diesel trucks (F-250, F-350, F-450, F-550) model years 2017‑2019. Crafted from robust polypropylene, the filter media withstands high temperatures and engine oil exposure, ensuring long‑lasting performance. Dimensions measure 12 x 6 x 2.5 inches with a 0.9‑inch stem outside diameter, matching OEM part numbers 904‑702, GC4Z6A777A, GC4Z6A777B, and GC4Z 6A785 D. This 24‑month warranty product delivers reliable crankcase ventilation to protect engine longevity.
Usage
Ideal for heavy‑duty diesel applications, this filter maintains proper crankcase pressure, reduces oil blow‑by, and supports emissions compliance. Install during routine maintenance or when replacing a worn filter to keep your engine running smoothly under demanding conditions. Suitable for fleet owners, off‑road enthusiasts, and professional mechanics who require a dependable OEM‑grade component.

Why Choose Us
PartsFlow combines precision engineering with premium materials, delivering a filter that meets or exceeds original equipment standards. Our rigorous quality control ensures each unit passes durability testing, and the 24‑month warranty provides peace of mind. By choosing this filter, you benefit from exact fit, superior filtration, and reduced downtime.
Key Features
- High‑quality polypropylene media resists oil and heat
- Exact OEM fit for 2017‑2019 Ford Super Duty diesel models
- Improves crankcase ventilation and reduces emissions
- Compact 12×6×2.5 in design for easy installation
- 24‑month warranty backed by PartsFlow reliability
FAQ
What vehicles are compatible with this filter?
The filter fits Ford F‑250, F‑350, F‑450, and F‑550 Super Duty trucks with 6.7 L V8 diesel engines from model years 2017‑2019.
Is this filter an OEM replacement?
Yes, it matches OEM part numbers 904‑702, GC4Z6A777A, GC4Z6A777B, and GC4Z 6A785 D, providing a direct replacement.
How often should the filter be replaced?
We recommend replacement every 30,000 miles or according to your vehicle’s service schedule, whichever comes first.
Can I install the filter myself?
Installation is straightforward with basic hand tools; detailed instructions are included in the package.
What warranty does PartsFlow offer?
The filter comes with a 24‑month limited warranty covering defects in material and workmanship.







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