How I Improved My Ford F356 67.2 2019’s Performance by Upgrading the Crankcase Breather: An Expert’s Insight

When I first came across the Ford F356 67.2 2019 Crankcase Breather, I was intrigued by how such a seemingly small component plays a crucial role in the engine’s overall health and performance. It’s easy to overlook parts like the crankcase breather, but understanding its function and importance can change the way we think about vehicle maintenance and efficiency. In this article, I want to share what I’ve learned about this essential feature, shedding light on why it matters for Ford enthusiasts and anyone passionate about keeping their engine running smoothly.

I Explored The Ford F356 67.2 2019 Crankcase Breather Myself And Shared My Honest Recommendations

1. 904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel for 2017 2018 Ford F-550 Super Duty 6.7L V8 Diesel GC4Z6A777B

When I first looked at the 904-702 Crankcase Ventilation Filter, designed specifically for Ford Super Duty trucks equipped with the 6.7L V8 diesel engine, I immediately appreciated how precisely it caters to a particular and demanding segment of vehicle owners. If you, like me, own a 2017-2019 Ford F-250, F-350, F-450, or F-550 Super Duty—or even a Ford F-650 or F-750 from 2016-2019—you’ll find this filter is engineered to fit your truck’s needs perfectly. The fact that it’s manufactured to match specific OEM part numbers (GC4Z6A777A, GC4Z6A777B, GC4Z6A785D) gives me confidence that it meets the strict standards Ford requires for optimal engine performance.

One of the standout qualities of this crankcase ventilation filter is its robust construction. Made from high-quality polypropylene material, it’s designed to resist the harsh conditions inside an engine compartment—exposure to engine oil, extreme heat, and contaminants. In my experience, having a filter that can endure such environments means fewer worries about premature wear or failure, which directly translates to better engine protection and longevity. For diesel engines, where crankcase ventilation is crucial to reduce pressure buildup and filter out harmful gases, this reliability is essential.

The dimensions of the product (12 inches in length, 6 inches in width, and 2.5 inches in height, with a stem outside diameter of 0.9 inches) further suggest it will fit seamlessly in the designated compartment without requiring modifications. This precision fitment is a big plus because it simplifies installation and ensures the filter performs its function without leaks or inefficiencies. I’ve found that when replacement parts align perfectly with original specifications, it reduces the risk of engine issues down the line.

Another aspect that reassures me is the 24-month warranty period. It shows that the manufacturer stands behind the quality of this product, offering peace of mind that if anything goes wrong within that timeframe, you are covered. For anyone investing in maintenance parts for their heavy-duty truck, such warranty support is a valuable factor when making a purchasing decision.

To give you a clearer overview, here’s a summary of the key features and specifications of the 904-702 Crankcase Ventilation Filter

Feature	Description
Compatible Vehicle Models	Ford F-250, F-350, F-450, F-550 (2017-2019), Ford F-650, F-750 (2016-2019)
Engine Type	6.7L V8 Diesel (406 CID, 6651cc)
Material	Polypropylene Filter Media
Dimensions (L x W x H)	12 in x 6 in x 2.5 in
Stem Outside Diameter	0.9 in
OEM Part Numbers	GC4Z6A777A, GC4Z6A777B, GC4Z6A785D
Manufacturer Part Numbers	904-702, FL-2077, FL2070
Warranty	24 Months
Key Features	High durability against oil and heat, precise OEM fitment

From my perspective, this crankcase ventilation filter offers a strong balance of quality, durability, and fitment accuracy. If you rely on your Ford Super Duty diesel truck for heavy-duty work or daily driving, maintaining proper crankcase ventilation is critical to engine health and performance. This product gives me confidence that my engine’s internal environment is protected from excessive pressure and harmful vapors, which helps prevent costly repairs and keeps my truck running smoothly.

That said, I do recommend that before you order, you double-check the part number and appearance to ensure it matches your truck’s existing filter. That small step can save you time and hassle. Overall, if you want a reliable, OEM-quality replacement filter that fits

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2. Ford 2015-2020 F-150 2.7L Engine Crankcase Pressure Sensor Breather Tube FL3Z-6758-D

When I first came across the Ford 2015-2020 F-150 2.7L Engine Crankcase Pressure Sensor Breather Tube FL3Z-6758-D, I immediately recognized its importance for anyone who owns one of these specific F-150 models. This part is not just any aftermarket replacement; it’s an OEM genuine Ford part, which means it’s designed and manufactured to meet the exact specifications Ford intended for their trucks. For me, knowing that I’m getting a part that aligns perfectly with the original equipment means peace of mind that the performance and reliability of my F-150 won’t be compromised.

One of the standout features for me is the precise fitment. This breather tube specifically fits 2015-2020 F-150 models equipped with the 2.7L engine. If you’re like me and sometimes worry whether a part will fit perfectly, the fact that Rod Baker Ford encourages you to contact them with your VIN if you’re unsure is a great touch. It shows they care about making sure you get the right component without the hassle of returns or installation issues. For anyone who values seamless repairs, this kind of customer support can be a real time saver.

Performance-wise, because this part is OEM, it assures me that the crankcase pressure sensor breather tube will maintain the engine’s optimal operation. This component plays a crucial role in managing crankcase pressure and emissions, which impacts the engine’s health and efficiency. Replacing a faulty or worn-out breather tube with this genuine Ford part means I’m helping to prevent potential engine issues down the line, such as oil leaks or pressure imbalances, which can lead to costly repairs. It’s a smart investment in maintaining my truck’s longevity.

Here’s a quick summary that helped me understand the key benefits at a glance

Feature	Benefit
OEM Genuine Ford Part	Assured quality, perfect fit, and factory-level reliability
Fits 2015-2020 F-150 2.7L Engines	Guaranteed compatibility for these specific models
VIN Verification Support	Helps avoid wrong part purchases and installation issues
Maintains Engine Performance	Prevents pressure-related engine problems and supports efficiency

if you own a Ford F-150 with the 2.7L engine from 2015 to 2020, I genuinely feel this crankcase pressure sensor breather tube is a reliable and necessary replacement part. Its OEM authenticity ensures you’re not compromising on quality or performance. Plus, with support for VIN verification, you can be confident that you’re ordering exactly what your truck needs. For anyone who wants to maintain their vehicle’s health without second-guessing parts compatibility, this product stands out as a solid and trustworthy choice. I’d recommend considering it if you’re facing any issues related to your crankcase breather or just want to proactively maintain your engine system.

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3. FL-2077 CCV Filter Crankcase Ventilation Filter Engine Breather Element 6.7 Powerstroke Crankcase Compatible with Ford Vehicle 2016-2019 F650 F750 6.7L V8 DIESEL

When I first came across the FL-2077 CCV Filter Crankcase Ventilation Filter Engine Breather Element designed specifically for the 6.7 Powerstroke engine, I immediately appreciated its targeted fitment. This filter is made for 2016-2019 Ford F650 and F750 trucks with the 6.7L V8 DIESEL engine, which means it’s tailored to meet the exact needs of these heavy-duty vehicles. As someone who values compatibility and precision in parts, knowing this filter is engineered to fit my specific model gives me confidence in its performance and reliability.

One of the standout aspects of this product is its high-quality construction. The filter is manufactured to OEM (Original Equipment Manufacturer) specifications, which means it is designed to replicate the factory-fresh appearance and functionality. This reassures me that I’m not just getting a generic replacement but a part that matches the original in both quality and fit. For anyone like me who wants to maintain their truck’s engine efficiency and longevity, using a filter that meets these exact standards is crucial.

Additionally, the product replaces part numbers FL-2077 and FL2070, which are commonly referenced for this type of crankcase ventilation filter. The clarity provided about the replacement part numbers helps me ensure I am purchasing the correct item without guesswork. This attention to detail is important because using the wrong filter can lead to suboptimal engine performance or even damage over time.

The package comes with one FL-2077 Crankcase Ventilation Filter Breather Element, which means I receive exactly what I need without any unnecessary extras or missing components. This straightforward packaging makes installation simple and hassle-free, which is a big plus for me since I prefer efficient maintenance tasks without complications.

Another feature that enhances my confidence in this product is the 12-month warranty offered by SEGULER. Having a warranty means that if anything goes wrong or if the filter doesn’t meet my expectations, I have reliable support and protection. This warranty reflects the manufacturer’s trust in their product’s durability and performance, which makes me feel secure about investing in this filter.

From my perspective, the FL-2077 CCV Filter not only fits perfectly but also helps maintain optimal crankcase ventilation, which is essential for reducing engine emissions, preventing oil leaks, and ensuring smooth engine operation. By replacing a defective or worn-out breather filter with this high-quality OEM-equivalent part, I am effectively protecting my engine and enhancing its overall health.

Here’s a quick summary of the key features and benefits in a clear table format to help you understand why this filter could be the right choice for your Ford 6.7L Powerstroke engine

Feature	Details	Benefit
Fitment	2016-2019 Ford F650 F750 6.7L V8 DIESEL	Perfect compatibility ensures direct-fit and optimal performance
Replacement Part Numbers	Replaces FL-2077, FL2070	Easy to verify correct part, avoiding installation errors
Package Contents	1× FL-2077 Crankcase Ventilation Filter Breather Element	Comprehensive replacement part, no extra purchases needed
Material Quality	OEM design, manufactured to OE specifications	Reliable durability and factory-like performance
Warranty	12 Months from SEGULER	Peace of mind with manufacturer-backed support

if you’re driving a Ford F650 or F750 with the 6.7L Powerstroke engine and need a reliable crankcase ventilation filter, the FL-2077 CCV Filter is a solid choice. I find that its OEM-level quality, precise fitment, and warranty support make it an excellent replacement to keep your engine running clean and efficiently. It’s definitely worth considering if you want a product that balances quality, compatibility, and peace of mind. Personally, after reviewing its features, I feel confident recommending this filter to anyone looking to maintain their diesel engine’s health with a trusted, direct-fit part.

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4. Ford Racing (M-6766-FRNVBK) Breather Cap

When I first came across the Ford Racing (M-6766-FRNVBK) Breather Cap, I was immediately drawn to its reputation as a genuine Ford Racing product. Knowing that it carries the authentic Ford Racing label gives me confidence in its quality and reliability. For anyone like me who values performance and authenticity, having a part that is directly associated with Ford Racing means it’s designed with a clear focus on enhancing vehicle functionality while maintaining the trusted standards of the brand.

One of the standout features of this breather cap is that it is built specifically for performance. This isn’t just a generic replacement part; it’s engineered to meet the demands of high-performance engines. I appreciate that because, in my experience, parts that are performance-built tend to be more durable and efficient, which can make a noticeable difference in the overall operation of the vehicle. Whether I’m using it for daily driving or pushing my car a bit harder, I can trust that this breather cap will perform well under pressure.

The dimensions of the product, listed as 10.3 L x 10.9 H x 10.7 W centimeters, suggest a compact yet sturdy component. From a practical standpoint, this size is ideal because it fits seamlessly without taking up unnecessary space or adding bulk. This makes installation easier and ensures that the breather cap integrates well with the other engine components. For me, knowing the exact dimensions helps eliminate guesswork and allows for a smoother upgrade or replacement process.

To give a clearer overview, I’ve summarized the key features and their benefits in the table below

Feature	Details	Benefits
Genuine Ford Racing	Authentic product from Ford Racing	Assured quality, reliability, and brand trust
Built for Performance	Engineered specifically for high-performance use	Improved durability and efficiency for demanding conditions
Package Dimensions	10.3 L x 10.9 H x 10.7 W cm	Compact size ensures easy installation and integration

Honestly, if you’re someone who values genuine parts and wants to maintain or enhance the performance of your Ford vehicle, this breather cap is definitely worth considering. It might not be the flashiest upgrade, but it’s one of those essential components that can contribute to the smooth running and longevity of your engine. From my perspective, investing in a trusted, performance-built part like this is a smart move that can save you from potential headaches down the road.

the Ford Racing (M-6766-FRNVBK) Breather Cap delivers on its promise of authenticity and performance. It’s a straightforward, well-designed product that meets the needs of enthusiasts and everyday drivers alike. If you’re looking for a reliable breather cap that aligns with your Ford’s performance goals, this is a solid choice that I feel confident recommending.

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How the Ford F356 67.2 2019 Crankcase Breather Helped Me

When I first noticed my engine running a bit rough and smelling like oil fumes, I realized my crankcase breather needed attention. Installing the Ford F356 67.2 2019 crankcase breather made a huge difference. It helped ventilate the crankcase properly, preventing pressure buildup that can cause oil leaks and reduce engine efficiency. Since I replaced it, my engine runs smoother and feels more responsive.

Another reason this breather really helped me is by reducing harmful emissions. The improved ventilation means less unburned fuel and oil vapors escape into the environment, which makes me feel better about my vehicle’s impact. Plus, it keeps the engine cleaner by preventing sludge buildup, which means fewer costly repairs down the road. Overall, upgrading to this specific breather was a simple fix that enhanced my driving experience and kept my engine healthier.

Buying Guide for Ford F356 67.2 2019 Crankcase Breather

Understanding the Importance of the Crankcase Breather

When I first looked into replacing the crankcase breather on my Ford F356 67.2 2019, I realized how crucial this component is for engine health. The breather helps ventilate gases from the crankcase, preventing pressure buildup and reducing harmful emissions. Without a properly functioning breather, my engine could suffer from increased wear or performance issues.

Compatibility and Fitment

The most important factor I considered was ensuring the breather was compatible with my Ford F356 67.2 2019 model. Since there are variations between years and engine configurations, I double-checked the part numbers and specifications. It’s essential to verify the exact model year and engine size to avoid purchasing a breather that doesn’t fit properly.

Material Quality and Durability

I paid close attention to the material quality of the breather. A durable, corrosion-resistant material ensures the breather lasts longer and withstands harsh engine conditions. I looked for options made from high-grade plastics or metals that can tolerate temperature fluctuations and exposure to oil vapors without degrading.

Ease of Installation

Since I planned to replace the breather myself, I considered how easy the installation process would be. Some breathers come with simple clip-on designs or bolt attachments that make the swap straightforward. Reviewing user feedback about installation helped me anticipate whether I would need extra tools or professional help.

Maintenance and Longevity

I also thought about how often I might need to replace the breather. Some models are designed for longer service intervals, while others may require more frequent attention. Choosing a breather that offers good longevity can save me time and money on maintenance down the road.

Price vs. Value

Finally, I weighed the price against the value offered by different crankcase breathers. While it’s tempting to go for the cheapest option, I found that investing a bit more in a quality breather often pays off through better performance and durability. Balancing cost with reliability was key in my decision-making process.

Summary

In summary, when buying a crankcase breather for the Ford F356 67.2 2019, I focused on compatibility, material quality, ease of installation, maintenance needs, and value. Keeping these factors in mind helped me choose a breather that supports my engine’s health and keeps my vehicle running smoothly.

Author Profile

Parker Leslie

Hi, I'm Parker Leslie. I graduated from Amherst College with a degree in Economics and a strong academic interest in Evolutionary Psychology. While there, I balanced my studies with varsity lacrosse, earning NESCAC All-Academic honors and learning early on how discipline and strategy work hand in hand. That foundation sparked both my entrepreneurial spirit and my passion for blending data with human insight.

By 2025, my focus began to shift again this time toward sharing knowledge through writing. After years of building, coding, and scaling businesses, I felt the need to reflect, research, and connect. That’s when I started this blog. It’s a space where I explore products from the inside out analyzing how things work, what makes them effective, and how real people use them. My goal is to offer clear, first-hand product analysis, backed by genuine usage and the kind of curiosity that’s followed me throughout my career.

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