MOTORCRAFT EV-88-C Nos Pcv Valve D9FZ-6A666-B

( Brand: Motorcraft ), ( Manufacturer Part Number: EV-88-C ), ( Part Type: Valve ), ( Oe/oem Part Number: D9fz-6a666-b )

Review MOTORCRAFT Ford Genuine Nos Pcv Valve

The **Motorcraft EV-88-C (D9FZ-6A666-B) Positive Crankcase Ventilation (PCV) Valve** is a precision-engineered component designed exclusively for Ford engines, ensuring optimal performance, emissions compliance, and long-term engine protection. This high-quality valve is part of Ford s Motorcraft line, a brand synonymous with reliability and compatibility, crafted to meet or exceed OEM specifications for engines equipped with the **D9FZ-6A666-B** designation, commonly found in select Ford vehicles such as the **F-150, Explorer, or Mustang** from the late 2000s to early 2010s. The EV-88-C PCV valve operates as a critical component of the engine s crankcase ventilation system, regulating the flow of blow-by gases unburned fuel and combustion byproducts that escape past the piston rings back into the intake manifold for proper combustion. This process not only reduces harmful emissions but also prevents the buildup of pressure within the crankcase, which could lead to leaks, oil consumption, or even catastrophic engine damage over time.

Constructed from durable materials, the Motorcraft EV-88-C features a **solenoid-actuated design**, allowing it to dynamically adjust airflow based on engine conditions. Unlike traditional fixed-orifice PCV valves, this advanced valve incorporates an **electronic control module (ECM) interface**, enabling precise modulation of airflow to optimize engine efficiency, particularly under varying loads and temperatures. The valve s internal components, including the **solenoid coil, diaphragm, and precision-machined passages**, are engineered to withstand the rigors of high-performance driving and extended use, ensuring consistent performance even in demanding applications. Its compact yet robust design fits seamlessly into the engine bay, maintaining the original vehicle s functionality while adhering to modern emissions standards.

For mechanics and enthusiasts alike, the Motorcraft EV-88-C represents a **direct replacement** for the original equipment, offering the same level of reliability and performance as the factory part. Its compatibility with Ford s **EcoBoost, Duratec, and other modern engine platforms** makes it an ideal choice for both routine maintenance and engine rebuilds. By maintaining proper crankcase ventilation, this PCV valve helps extend engine life, reduce oil sludge formation, and minimize the risk of costly internal damage. Whether installed during a routine service or as part of a more extensive engine overhaul, the Motorcraft EV-88-C ensures that your Ford vehicle continues to operate at peak efficiency, adhering to emissions regulations while delivering the power and durability expected from a Motorcraft product.

The **Motorcraft EV-88-C (Ford NOS PCV Valve, part number D9FZ-6A666-B)** is an aftermarket replacement for the Positive Crankcase Ventilation (PCV) valve in Ford engines, particularly those using the **EcoBoost, Ti-VCT, or other modern Ford powertrains**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Motorcraft EV-88-C PCV Valve**

1. **OEM Quality and Compatibility**

- The **Motorcraft brand** is Ford s official aftermarket parts line, meaning it is designed to meet or exceed the specifications of the original equipment manufacturer (OEM) valve. This reduces the risk of compatibility issues with modern Ford engines, especially those with **direct injection, turbocharging, or advanced emissions systems**.

- The valve is engineered to work with **Ford s PCV system**, which may differ from generic aftermarket valves that could cause issues with fuel efficiency, emissions, or engine performance.

2. **Improved Emissions and Fuel Economy**

- A properly functioning PCV valve ensures that **blow-by gases** (from piston rings and valve seals) are efficiently routed back into the intake manifold rather than being vented to the atmosphere. This helps maintain **optimal air-fuel ratios**, reducing emissions and improving fuel economy.

- Unlike clogged or failing OEM valves, the EV-88-C is designed to **regulate airflow correctly**, preventing carbon buildup in the intake system or crankcase pressure issues.

3. **Durability and Longevity**

- Motorcraft parts are generally built to last, often using **high-quality materials and tighter tolerances** than generic aftermarket alternatives. This can extend the life of the valve compared to cheaper, non-branded replacements.

- The valve is designed to withstand **higher temperatures and pressures** found in modern turbocharged engines, reducing the likelihood of premature failure.

4. **Ease of Installation**

- The EV-88-C is a **direct drop-in replacement** for the stock PCV valve in most Ford engines (e.g., **2.0L/2.3L EcoBoost, 3.5L Ti-VCT, 5.0L Coyote**). It typically requires **no modifications** to the PCV system, making installation straightforward for most mechanics or DIYers.

- Ford provides **clear installation instructions**, and the part is widely available through **Ford dealers, Amazon, RockAuto, and other reputable suppliers**.

5. **Warranty and Support**

- Motorcraft parts often come with **limited warranties** (typically 1 year or more), providing some recourse if the valve fails prematurely.

- Ford s dealer network and online resources offer **technical support** if installation or performance issues arise.

6. **Prevents Engine Contamination**

- A failing PCV valve can allow **oil vapors and carbon particles** to enter the intake system, leading to **carbon buildup on intake valves, throttle bodies, or turbochargers**. The EV-88-C helps prevent this by maintaining proper ventilation.

7. **Cost-Effective Upgrade**

- While not the **cheapest** PCV valve on the market, it strikes a balance between **price and reliability**. Replacing a failing OEM valve with a generic part that doesn t fit properly or fails quickly can end up costing more in the long run.

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### **Cons of buying a Motorcraft EV-88-C PCV Valve**

1. **Higher Price Than Generic Alternatives**

- The EV-88-C is **more expensive** than non-branded PCV valves (often sold for **$10 $20** compared to $25 $40 for Motorcraft). For budget-conscious buyers, this may be a drawback, especially if the valve is part of a larger maintenance routine.

- Some aftermarket brands (e.g., **AEM, Walbro, or local engine builders**) offer **high-quality alternatives** at lower prices, though compatibility should be verified.

2. **Limited Availability Outside Ford Dealers**

- While widely available online, the EV-88-C may not be stocked at **local auto parts stores** as frequently as generic PCV valves. Buyers may need to order it online, which could introduce **shipping delays** if purchased last-minute.

- Some **Ford-specific forums or specialty shops** may carry it, but availability can vary by region.

3. **Potential Overkill for Non-Turbo or Older Engines**

- The EV-88-C is optimized for **modern Ford engines with turbocharging, direct injection, or high-performance tuning**. For **non-turbo or older naturally aspirated engines**, a **simpler, less expensive PCV valve** (e.g., a basic **Walbro or AEM valve**) may suffice.

- In some cases, a **universal PCV valve** (if properly sized) could work without the premium price.

4. **Mixed Reviews on Longevity in Aggressive Applications**

- While Motorcraft parts are generally reliable, some **high-performance or heavily modified engines** (e.g., **forced induction builds, nitrous applications**) may experience **sooner-than-expected wear** due to extreme operating conditions.

- In such cases, **aftermarket high-flow PCV valves** (e.g., from **AEM or Walbro**) may be more durable.

5. **No Performance Benefits Over OEM (Unless Failing)**

- The EV-88-C is **not a performance part** it simply **replaces a failing or clogged OEM valve**. If the original valve was working correctly, upgrading to Motorcraft may not provide **noticeable gains** in power or efficiency.

- The real benefit comes from **preventing issues** (e.g., carbon buildup, crankcase pressure problems) rather than improving performance.

6. **Installation May Require PCV Line Inspection**

- Some Ford vehicles (especially **EcoBoost models**) have **PCV lines that can become restricted or cracked over time**. If the lines are damaged, replacing just the valve may not fully resolve the issue, requiring additional work.

- A **full PCV system flush** (using a solvent like **PCV System Cleaner**) may be recommended alongside valve replacement.

---

### **Conclusion**

The **Motorcraft EV-88-C PCV Valve (D9FZ-6A666-B)** is a **reliable, high-quality replacement** for Ford engines, particularly those with **turbocharging, direct injection, or advanced emissions systems**. It offers **OEM-level compatibility, durability, and emissions benefits**, making it a **strong choice for owners who want a trusted, long-lasting part**.

- **Budget-conscious buyers** who can find equally reliable (or better) alternatives at a lower cost.

- **Non-turbo or older engines** where a simpler PCV valve would suffice.

- **Highly modified or extreme performance applications** where specialized aftermarket valves may be more appropriate.

If you are **replacing a known failing PCV valve in a modern Ford engine** (e.g., **2.0L EcoBoost, 3.5L Ti-VCT, 5.0L Coyote**), the EV-88-C is an **excellent choice** due to its **reputation for reliability and Ford-backed quality**. For other applications, a **generic high-quality valve** (e.g., **Walbro 500CFM or AEM**) may be a more cost-effective solution.

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### **Final Recommendation**

You are replacing a **failing or clogged PCV valve** in a **modern Ford engine** (EcoBoost, Ti-VCT, Coyote).

You want **OEM-level reliability and warranty support**.

You are performing **routine maintenance** and want to ensure **optimal emissions and fuel efficiency**.

You trust **Ford s brand** and are willing to pay a **premium for quality**.

You are on a **tight budget** and can verify compatibility with your engine.

Your engine is **non-turbo or older**, where a simpler valve is sufficient.

You are running a **highly modified or extreme performance build** and need a **high-flow or specialized PCV valve**.

- Always **inspect the PCV hose and connections** during replacement restricted lines can negate the benefits of a new valve.

- If your engine has **carbon buildup**, consider a **PCV system flush** alongside valve replacement.

- Check **Ford s service manual** or a **trusted mechanic** to confirm the correct valve for your specific engine (some years/models may require a different part number).

For most **average Ford owners**, the **Motorcraft EV-88-C is a safe and recommended choice** for PCV valve replacement.

Details:

Most parts are NOS, in Ford genuine packaging. Brand new, never used or installed. PLEASE review the pictures/ carefully and reach out with questions. Boxes are old, musty and dirty.

Some parts are fairly new, others not. Unfortunately I don't have the capacity to determine fitment on all listings. These parts have NOT been tested in any way - electrically, leaks, fitment, etc. Condition varies and is described to the best of my ability after a thorough inspection.

No visible damage. The depth and breadth of parts is massive spans decades. Includes: ONE valve. Shipped via USPS Ground Advantage.

Condition is new-other, sold as-is, I will combine shipping. Ford Genuine NOS Motorcraft PCV Valve D9FZ-6A666-B, EV-88-C.

part #: ev88 prices

• $9.11-$17.50

specifications emissyste:

• for makes: Ford
• brand: Motorcraft
• mpn: Ev-88-c
• part type: Valve
• oe/oem part number: D9fz-6a666-b

offer emissyste:

• started: March 9, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments emissyste:

• other
• wallet: Apple-pay
• credit card: Visa

shipping emissyste:

• type: Fixed
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• transit: 3-8 Days
• cost: $0.00

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New other see details

seller emissyste:

• city: Valparaiso, Indiana
• # reviews: 1450
• rating: 100.0%

returns emissyste:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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