fits model: Mustang, Cobra. make: Ford. year: 1999–2004.

( Manufacturer Part Number: XR3Z-63020A22-AA ), ( Part Type: Wiper Cowl Engine ), ( Country Of Origin: United States )
The **Ford XR3Z-63020A22-AA** is a meticulously engineered, high-performance wiper cowl and engine cover assembly designed exclusively for the legendary **Ford Mustang Cobra** models spanning the years **1999 through 2004**. This component is a critical element of the vehicle s aerodynamics, engine bay protection, and overall aggressive styling, embodying the raw power and precision engineering that define the Cobra s identity. Crafted from high-quality, durable materials, the XR3Z-63020A22-AA features a sleek, aerodynamic contour that seamlessly integrates with the Mustang s iconic front end, ensuring optimal airflow while shielding the engine bay from debris, dust, and minor impacts. The design incorporates sharp, angular lines and a bold, muscular stance that accentuates the Cobra s high-performance pedigree, particularly noticeable under the hood where the **4.6L Modular V8** or **5.4L Supercharged V8** resides. This part is not merely functional but also a statement piece, enhancing the vehicle s aggressive aesthetic while maintaining structural integrity. Whether installed on a **1999 Cobra R**, a **2001 Cobra R with the supercharged engine**, or a **2003-2004 Cobra R**, this wiper cowl and engine cover assembly ensures a perfect fit, preserving the factory s intended look while providing essential protection. Built to withstand the demands of high-performance driving, this component is a must-have for enthusiasts seeking to maintain their Cobra s originality, performance, and striking visual presence.
### **Pros and Cons of Buying a 1999 2004 Ford Mustang Cobra (XR3Z-63020A22-AA) with Wiper Cowl Engine**
#### **Overview**
The **Ford Mustang Cobra (SN95/S197)** with the **wiper cowl engine (WCE)** designation refers to models equipped with the **3.8L Modular V6 (DOHC, 24-valve)** paired with a **5-speed manual transmission** (or later, an optional 4-speed automatic). This engine was used in the **1999 2004 Mustang Cobra**, including the **1999 2001 Cobra R, 2003 2004 Cobra R, and standard Cobras** of those years. Below is a detailed breakdown of its strengths and weaknesses.
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### **Pros**
1. **Strong Engine for the Class**
- The **3.8L Modular V6** produces ** 220 240 hp (depending on year and tuning)** decent for a V6 Mustang of its era, though not as powerful as the **5.0L Coyote (later models)** or **4.6L Modular (2005 )**.
- Better throttle response and smoother power delivery than the **3.9L Essex V6** it replaced.
- **High-revving (7,000 RPM)** and capable of ** 6,000 lb-ft of torque with forced induction** (popular in tuning circles).
2. **Reliability (Compared to Earlier Mustangs)**
- The **Modular V6 is more refined** than the **3.9L Essex**, with fewer chronic issues (e.g., no known major head gasket failures like the 3.9L).
- **Oil leaks** (valve cover, oil filter housing gasket) are common but **repairable** not catastrophic like some older Mustangs.
- **Transmission (5-speed manual)** is durable if maintained; the **4-speed automatic (in later Cobras)** is also reliable but less engaging.
3. **Tuning Potential**
- One of the **most tuner-friendly Mustangs** from this era.
- **Forced induction (turbo or supercharger)** is widely supported, with aftermarket parts readily available.
- **Stock power upgrades** (cams, headers, intake) can push power to **300 hp** without major modifications.
- **Common mods:** Turbocharged (e.g., **TurboMax, Garrett T25/T28**), supercharged (e.g., **Eagle Supercharger**), or **nitrous kits**.
4. **Driving Experience**
- **Lightweight (for a V6 Mustang)** the **Cobra R** is particularly nimble, with a **stiffer suspension** than standard Cobras.
- **Manual transmission** (if equipped) provides **engaging driving dynamics**, though the **4-speed auto (in later models)** is smooth.
- **Rear-wheel drive** with a **live axle** (not independent rear suspension) gives a **classic Mustang feel** with decent handling for the time.
5. **Parts Availability & Community Support**
- **Widely available parts** due to the Mustang s popularity.
- **Strong aftermarket support** for tuning, suspension, and cosmetic upgrades.
- **Large owner community** (especially for the **Cobra R**) with forums (e.g., **MustangForums, CobraR.net**) for troubleshooting.
6. **Aesthetic Appeal**
- **Iconic 1990s Mustang styling** with **aggressive Cobra badging** (especially the **Cobra R**).
- **Easy to modify** body kits, wheels, and paintwork are common upgrades.
- **Lower profile** than later Mustangs, making it stand out in classic car circles.
7. **Fuel Efficiency (For a Muscle Car)**
- **Stock fuel economy is decent** ( 15 18 MPG city, 22 25 MPG highway) compared to V8 Mustangs.
- **Tuned versions** (especially turbocharged) will suffer, but **stock or lightly modified examples** remain practical.
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### **Cons**
1. **Oil Leaks & Maintenance Issues**
- **Valve cover gasket leaks** (common in early years) can be annoying but are **repairable**.
- **Oil filter housing gasket leaks** (especially in the **3.8L Modular**) can lead to **low oil pressure** if ignored.
- **PCV system failures** can cause **oil sludge** if not maintained properly.
- **Timing chain stretch** (less common than in older Mustangs but still a concern) may require replacement ( $1,500 $2,500).
2. **Weaknesses in the Drivetrain**
- **5-speed manual transmission** (in early models) can be **noisy and less refined** than later automatics.
- **Rear axle (live axle)** is **not as durable** as modern independent rear suspensions **u-joints and bearings** can wear out.
- **Differential (open or limited-slip)** may need **fluid changes and potential rebuilds** over time.
3. **Rust & Body Issues**
- **1999 2001 models** are more prone to **floor pan rust** (especially in snowy climates).
- **Wheel wells and rocker panels** can corrode if not maintained.
- **Sunroof leaks** (in some models) can cause interior damage.
4. **Electrical & Computer Problems**
- **PCM (Powertrain Control Module) issues** can cause **rough idling, stalling, or check engine lights**.
- **Sensor failures** (MAF, oxygen sensors) are common and can be expensive to diagnose.
- **Window regulators and door locks** can fail over time.
5. **Limited Power Compared to V8 Mustangs**
- **Not as fast as a 5.0L Coyote or 4.6L Modular Mustang** (even stock).
- **0 60 mph is 6.5 7.5 seconds** (stock), which is **slower than modern Mustangs** but **faster than most V6 cars of the era**.
- **Tuned versions** (turbo/supercharged) can close the gap, but **stock examples lag behind V8 Mustangs**.
6. **Depreciation & Market Value**
- **Not a highly sought-after classic** like the **1965 1970 Mustang or 1996 1998 Cobra R**.
- **Value drops quickly** unless it s a **well-maintained, low-mileage example** or a **restored project**.
- **Parts for older Cobras (pre-2000) can be harder to find** than for newer models.
7. **Driving Comfort & Modern Standards**
- **Rigid suspension** (especially in **Cobra R models**) leads to **rougher ride** than modern Mustangs.
- **Noisy cabin** (especially with soft tops or missing sound deadening).
- **Poor fuel economy when tuned** (turbocharged versions can drink **10 12 MPG**).
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### **Conclusion & Recommendation**
#### **Who Should Buy One?**
**Tuners & Hot Rod Enthusiasts** If you love **modifying and pushing power**, the **3.8L Modular is one of the best Mustang engines for forced induction**.
**Classic Mustang Lovers** If you appreciate the **1990s Cobra styling and driving dynamics**, it s a fun daily or weekend project.
**Budget Buyers** Compared to **V8 Mustangs or later models**, these are **cheaper to buy and modify**.
**Manual Transmission Fans** If you prefer **engaging driving**, the **5-speed manual** (in early models) is a plus.
#### **Who Should Avoid It?**
**Those Seeking a Reliable Daily** **Oil leaks, electrical gremlins, and rust** make it **not ideal for daily driving** without major investment.
**People Who Want High Performance Stock** **Not as fast as a 5.0L or 4.6L Mustang** unless heavily modified.
**Those Who Dislike Maintenance** **Regular oil changes, gasket replacements, and drivetrain checks** are **necessary to keep it running**.
**Buyers Who Want a High-Value Classic** **Depreciates faster than a 1967 1970 Mustang or a 1996 1998 Cobra R**.
#### **Best Approach to Buying One**
1. **Inspect Thoroughly** Look for:- **Oil leaks** (valve cover, oil filter housing).
- **Rust** (floor pans, wheel wells, rocker panels).
- **Transmission & drivetrain noise** (u-joints, bearings).
- **Electrical issues** (check sensors, PCM, windows).
2. **Test Drive & Listen**
Shipping price listed is for the lower 48. This is on the engin side under hood. Contact me fora quote. This is a new oem nos Ford Cobra Mustang racing 1999 2001 2003 2004 03 0401 wiper cowl trim engine.
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