1. Engine Crankshafts Products
  2. sku: 18788705374868713
  3. FORD AT4Z-6303-D

FORD AT4Z-6303-D Engine Crankshaft

fits model: Edge. make: Ford. year: 2011–2019.

At4z-6303-d Ford 2011-2019 Edge Engine Crankshaft Oem

( Manufacturer Part Number: AT4Z-6303-D ), ( Part Type: Engine Crankshaft ), ( Manufacturer Warranty: 1 Month ), ( Performance Part: Yes )

Review FORD Engine Crankshaft Oem fits EDGE 2011–2019

The **Ford AT4Z-6303-D (2011 2019 Ford Edge 3.5L EcoBoost V6 Engine Crankshaft)** is a precision-engineered, high-performance component designed to deliver reliable power and durability in Ford s iconic 3.5-liter twin-turbocharged EcoBoost V6 engine. Crafted from high-grade forged steel, this crankshaft is built to withstand the intense stresses of forced induction, ensuring smooth operation and extended engine life under demanding conditions. Measuring approximately **3.5 inches in diameter** with a **7.0-inch stroke**, it features a **five-main-bearing journal design** optimized for torque transfer and vibration damping, reducing wear and enhancing overall engine efficiency. The crankshaft s **counterweights** are meticulously balanced to minimize harmonic distortion, contributing to a quieter, more refined driving experience while maintaining peak performance. Whether installed in the **2011 2019 Ford Edge** or other applications requiring this specific part, this crankshaft is a critical component that supports the engine s aggressive power delivery from low-end torque to high-revving responsiveness while maintaining structural integrity under the pressures of turbocharged operation. Built to Ford s exacting standards, it is a direct-fit replacement, ensuring seamless integration with the engine block, timing system, and accessory components, making it an essential upgrade or repair part for enthusiasts and mechanics seeking to restore or enhance the performance of their EcoBoost-powered vehicle.

**Pros and Cons of Buying a Ford AT4Z-6303-D (2011 2019 EcoBoost 2.0L Engine Crankshaft)**

### **Pros:**

1. **Common and Widely Available** The 2.0L EcoBoost engine is one of Ford s most popular turbocharged units, meaning parts, labor, and aftermarket support are abundant. This makes repairs and maintenance more accessible and cost-effective compared to rarer engines.

2. **Proven Reliability (When Maintained Properly)** The EcoBoost 2.0L is generally durable if serviced correctly, especially with regular oil changes, proper cooling system maintenance, and timely turbocharger servicing. Many owners report longevity with these engines when issues like oil consumption or carbon buildup are addressed early.

3. **Aftermarket Support** Due to its popularity, there is a vast selection of aftermarket parts, upgrades (e.g., cold air intakes, exhaust systems), and tuning options available. This allows for performance enhancements or cost-saving alternatives to OEM components.

4. **Turbocharger Upgrades** The stock turbocharger (Garrett GT17) is known to be a bottleneck for higher power levels, and aftermarket turbos (e.g., BorgWarner EFR, Garrett GT30) are readily available for those looking to increase performance.

5. **Modular Design** The engine shares many components with other Ford EcoBoost engines (e.g., 1.5L and 1.6L), which can simplify part sourcing and repairs.

6. **Potential for High Performance** With proper tuning, supporting mods (e.g., fuel system upgrades, intercoolers), and turbocharger swaps, the 2.0L EcoBoost can reliably produce **300 400 horsepower** without excessive stress if built correctly.

7. **Lower Cost Than Some Alternatives** Compared to V6 or V8 engines, the 2.0L EcoBoost is relatively inexpensive to purchase used, especially in a complete engine block. This makes it an attractive option for budget-conscious builders.

8. **Ford s Warranty Coverage (If Applicable)** If purchasing a used engine with remaining warranty coverage (e.g., from a dealership or certified pre-owned program), some labor or component failures may still be covered.

---

### **Cons:**

1. **Oil Consumption Issues** Many 2.0L EcoBoost engines, especially those with higher mileage, suffer from **oil consumption (burning oil)**, which can lead to excessive smoke from the exhaust and potential engine damage if ignored. This is often due to worn piston rings, valve seals, or turbocharger oil leaks.

2. **Carbon Buildup (Carbon Deposits)** Direct-injection engines like the EcoBoost are prone to **carbon buildup** on intake valves and combustion chambers, which can cause misfires, rough idling, and reduced performance. Regular carbon cleaning (e.g., with a carburetor cleaner or professional service) is necessary.

3. **Turbocharger Failures** The stock turbocharger (GT17) is known to fail prematurely, often due to **oil starvation, poor lubrication, or excessive boost**. Replacing it with a more robust aftermarket turbo (e.g., EFR or GT30) is recommended for longevity, especially in high-performance applications.

4. **Cooling System Vulnerabilities** The EcoBoost s **intercooler, charge pipes, and water pump** are common failure points. The intercooler can crack due to heat stress, and the water pump often fails around **80,000 100,000 miles**, leading to overheating risks.

5. **Electrical and Sensor Issues** The engine relies heavily on sensors (e.g., MAF, crankshaft position, camshaft position), which can fail and trigger check engine lights. These sensors are not always cheap to replace, and diagnostics can be time-consuming.

6. **Transmission Compatibility** While the 2.0L EcoBoost is commonly paired with the **6F35 (6-speed automatic)**, some owners report **transmission issues** (e.g., rough shifting, solenoid failures) that may require additional attention.

7. **Potential for Poor Maintenance History** If purchasing a used engine or vehicle, there is a risk that it was **neglected** (e.g., no oil changes, delayed turbo servicing, or ignored carbon buildup). Always verify maintenance records or inspect for signs of wear.

8. **Noise and Vibration** The turbocharger and intercooler can introduce **additional noise** compared to naturally aspirated engines. Some owners report **vibration** at certain RPM ranges, which may require balancing or suspension tuning.

9. **Fuel System Limitations** The stock fuel system (e.g., injectors, fuel pump) can become a bottleneck under heavy boost or high-power modifications. Upgrading to **high-flow injectors, a larger fuel pump, or a direct-port fueling system** may be necessary for serious power gains.

10. **Resale Value Concerns** While the engine itself is reliable, **Ford s reputation for turbocharged engine longevity** has been mixed. Some buyers may hesitate to purchase a used EcoBoost vehicle due to past reliability issues, potentially affecting resale value.

---

### **Ending Conclusion:**

The **Ford AT4Z-6303-D (2011 2019 2.0L EcoBoost engine)** is a **capable and popular choice** for performance builds, daily drivers, and budget-conscious buyers **but only if properly maintained and upgraded where necessary**. Its **turbocharged nature, modular design, and aftermarket support** make it a strong option for those willing to invest time in upkeep. However, **common issues like oil consumption, carbon buildup, and turbocharger failures** require vigilance to avoid costly repairs.

If you are **mechanically inclined, willing to perform regular maintenance, and prepared for potential upgrades**, this engine can be a **great purchase**. For those who **prioritize convenience and want a "set-and-forget" engine**, a **well-maintained naturally aspirated or diesel alternative** (e.g., Ford 3.5L EcoBoost, Duramax diesel) may be a safer choice.

---

### **Recommendation:** - **Buy it if:**

- You are **comfortable with turbocharged engine maintenance** (oil changes, turbo servicing, carbon cleaning).

- You plan to **upgrade critical components** (turbocharger, intercooler, fuel system) to improve reliability.

- You have **access to parts and labor** (or the skills to DIY repairs).

- You are **willing to budget for potential issues** (e.g., oil consumption fixes, sensor replacements).

- **Avoid it if:**

- You **cannot commit to regular maintenance** (oil changes every 5,000 7,500 miles).

- You **do not want to deal with turbocharger or cooling system failures**.

- You are **not mechanically inclined** and cannot perform basic diagnostics or repairs.

- You are **purchasing a used engine/vehicle without full service history**.

**Final Verdict:** The 2.0L EcoBoost is a **solid engine for the right buyer** one who understands its quirks and is prepared to work with it. For those who want **maximum reliability with minimal hassle**, a **well-used 3.5L EcoBoost or a diesel engine** may be a better long-term investment.

Details:

2011 2019 FORD EDGE ENGINE CRANKSHAFT AT4Z-6303-D OEM NORMAL WEAR AND TEAR. FREE shipping is within the continental USA 48 States.

part #: at4z6303 price

  • $399.99

specifications cranshafengin:

  • for models: Edge
  • for makes: Ford
  • for years: 2011-2019
  • mpn: At4z-6303-d
  • part type: Engine Crankshaft
  • manufacturer warranty: 1 Month
  • performance part: Yes

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

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  • class: Standard
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  • transit: 2-7 Days
  • type: Fixed
  • cost: $0.00

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  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • sold: 0
  • started: February 11, 2026

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general cranshafengin:

  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
  • condition: Used
for models: edge, for makes: ford, for years: 2011-2019, part type: engine crankshaft, manufacturer warranty: 1 month, performance part: yes,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 18788705374868713,
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