1. Engine Crankshafts Products
  2. sku: 20574013800734663
  3. AISIN PDAFD-00109

AISIN PDAFD-00109 Harmonic Balancer W702489S300

fits model: E-350, Explorer, Mustang. make: Ford. year: 2001–2011.

Pdafd-00109 Aisin Harmonic Balancer For Ford Explorer Mustang E-350 Super Duty 2001-2011

( Brand: Aisin ), ( Manufacturer Part Number: PDAFD-00109 ), ( Part Type: Balancer ), ( Overall Width: In ), ( Fitment Type: Direct Replacement ), ( California Prop 65 Warning: Yes ), ( Ipn: W702489s300 ), ( Compatible Make: Ford, Mercury ), ( Model-2: Ranger, Explorer Sport Trac, Mountaineer ), ( Oe/oem Part Number: 8l2z6b321a, 2l2z6b321aa, 8l2z6b321c ), ( Manufacturer Warranty: 1 Year ), ( Model-1: Explorer, Mustang, E-350 Super Duty ), ( Engine: V6, 4.0l, V8, 5.4l ), ( Country Of Origin: China )

Review AISIN Harmonic Balancer Ford Super Duty fits EXPLORER MUSTANG E-350 2001–2011

The **Aisin PDAFD-00109 Harmonic Balancer** is a high-performance, precision-engineered component designed specifically for Ford s 2001 2011 model year vehicles, including the **Explorer, Mustang, and E-350**, where it serves as a critical part of the engine s crankshaft pulley system. Crafted with meticulous attention to detail, this harmonic balancer is built to withstand the demanding stresses of modern high-output engines, ensuring smooth operation, reduced vibration, and extended drivetrain longevity. Constructed from a robust, high-strength **steel core**, the balancer is reinforced with a **multi-layered rubber or elastomeric damping material**, strategically engineered to absorb and dissipate torsional vibrations generated by the crankshaft s rotational forces. This advanced design minimizes harmful resonance, preventing premature wear on connected components such as the timing belt, serpentine belt system, and engine mounts, while also reducing audible engine noise for a quieter, more refined driving experience.

The **Aisin PDAFD-00109** is a direct-fit replacement, meticulously calibrated to match the original equipment specifications of Ford s 4.6L and 5.4L V8 engines, which are commonly found in these model years. Its **precision-balanced pulley** ensures optimal alignment with the crankshaft, reducing unnecessary strain on the engine s internal components and enhancing overall drivability. Whether installed in a high-mileage vehicle requiring a reliable upgrade or as part of a performance-oriented rebuild, this harmonic balancer delivers uncompromising durability and performance. Built to withstand the rigors of daily driving, towing, or even modified engine applications, it provides a cost-effective solution for preventing catastrophic failure such as pulley separation or excessive vibration while maintaining the integrity of the powertrain. Engineered with **OEM-level quality**, the Aisin PDAFD-00109 is a trusted choice for mechanics, enthusiasts, and fleet operators seeking a dependable, long-lasting component that restores factory-like performance to their Ford vehicles.

### **Pros and Cons of buying a Aisin PDAFD-00109 Harmonic Balancer for Ford Explorer/Mustang E-350 (2001 2011)**

#### **Pros:**

1. **Direct OEM Replacement** The Aisin PDAFD-00109 is a high-quality aftermarket part designed to match the original equipment manufacturer (OEM) specifications for the 5.4L Triton V8 engine in Ford s 2001 2011 Explorer and Mustang E-350 models. This ensures proper fitment, compatibility, and performance.

2. **Durability and Performance** Aisin is a well-respected manufacturer in the automotive industry, known for producing reliable harmonic balancers that reduce engine vibration, smooth out power delivery, and prevent excessive wear on the crankshaft and related components.

3. **Compatibility with Common Issues** The 5.4L Triton engine is prone to harmonic balancer failure due to high RPM and torque demands. Replacing it with this part can resolve symptoms like excessive vibration, rattling noises, or even catastrophic failure (such as a broken balancer damaging the crankshaft pulley).

4. **Ease of Installation** The balancer is a straightforward bolt-on replacement, requiring only basic tools. Many mechanics and DIY enthusiasts can install it without specialized equipment, though some may need to realign the timing belt or serpentine belt system afterward.

5. **Cost-Effective Solution** Compared to OEM parts, this aftermarket balancer is significantly cheaper while maintaining high quality. It avoids the premium pricing of genuine Ford parts without sacrificing reliability.

6. **Warranty Coverage** Aisin typically offers a warranty (often 1 2 years or more), providing peace of mind against premature failure.

7. **Positive User Feedback** Many owners and mechanics report satisfaction with Aisin s harmonic balancers, citing improved smoothness and longevity after replacement.

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#### **Cons:**

1. **Potential for Counterfeit Parts** Since this is an aftermarket part, there is a risk of purchasing a counterfeit or low-quality duplicate, especially if buying from untrusted sellers. Always verify the seller s reputation and purchase from reputable suppliers (e.g., RockAuto, Amazon, or authorized Aisin dealers).

2. **Installation Challenges** While the part itself is simple to install, some users may encounter difficulties if the serpentine belt system or timing belt needs adjustment. Improper alignment can lead to premature wear or failure.

3. **Limited Availability of OEM Parts** If the OEM balancer is still available, some may prefer it for absolute certainty, though it is often more expensive and harder to find.

4. **Noise or Vibration Persistence** In rare cases, residual vibration or noise may persist if the issue stems from other components (e.g., a worn crankshaft pulley, loose engine mounts, or a failing serpentine belt tensioner). A thorough inspection may be needed.

5. **Price Variability** Prices can fluctuate based on demand, seller markup, or shipping costs. Always compare prices across multiple sources to ensure a fair deal.

6. **No Free Replacement Under Warranty** If the balancer fails prematurely, the warranty may not cover labor costs, only the part itself. Some warranties are limited to the part only.

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### **Conclusion**

The **Aisin PDAFD-00109 harmonic balancer** is an excellent choice for Ford Explorer and Mustang E-350 owners (2001 2011) with the 5.4L Triton engine. It offers a reliable, cost-effective replacement that addresses common harmonic balancer failures while maintaining smooth engine operation. However, buyers should ensure they purchase from a trusted source to avoid counterfeit parts and verify installation quality to prevent secondary issues.

For most users, this part provides a **strong balance of quality, affordability, and performance**, making it a recommended option over cheaper or lower-quality alternatives.

### **Recommendation:**

- **Buy from a reputable seller** (e.g., RockAuto, Amazon, or a trusted local auto parts store) to avoid counterfeit parts.

- **Inspect the balancer upon arrival** for manufacturing defects or damage.

- **Follow proper installation procedures**, including realigning the serpentine belt system if necessary.

- **Monitor engine behavior post-installation** if vibration or noise persists, investigate other potential causes (e.g., crankshaft pulley, mounts, or belts).

- **Consider pairing with a crankshaft pulley** if the original is worn, as they often fail together.

For most drivers, this balancer will extend the life of their engine and eliminate annoying vibration issues, making it a **strongly recommended upgrade**.

Details:

part #: pdafd00109 price

  • $89.99

specifications cranshafengin:

  • for models: E-350, Explorer, Mustang
  • for makes: Ford
  • for years: 2001-2011
  • brand: Aisin
  • mpn: Pdafd-00109
  • part type: Balancer
  • overall width: In
  • fitment type: Direct Replacement
  • california prop 65 warning: Yes
  • ipn: W702489s300
  • compatible make: Ford, Mercury
  • model-2: Ranger, Explorer Sport Trac, Mountaineer
  • oe/oem part number: 8l2z6b321a, 2l2z6b321aa, 8l2z6b321c
  • manufacturer warranty: 1 Year
  • model-1: Explorer, Mustang, E-350 Super Duty
  • engine: V6, 4.0l, V8, 5.4l
  • country of origin: China

payments cranshafengin:

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

shipping cranshafengin:

  • cost: $0.00
  • type: Fixed
  • transit: 3-6 Days
  • service: Standard, Expedited, Overnight
  • class: Standard, Expedited, One-day

offer cranshafengin:

  • started: May 27, 2026
  • availability: In Stock
  • quantity: 2
  • options: Ship-to-home
  • sold: 0

general cranshafengin:

  • condition: New
  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

returns cranshafengin:

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

seller cranshafengin:

  • rating: 99.9%
  • # reviews: 4887
  • city: California
for models: e-350, explorer, mustang, for makes: ford, for years: 2001-2011, part type: balancer, overall width: in, fitment type: direct replacement, california prop 65 warning: yes, compatible make: ford, mercury, model-2: ranger, explorer sport trac, mountaineer, oe/oem part number: 8l2z6b321a, 2l2z6b321aa, 8l2z6b321c, manufacturer warranty: 1 year, model-1: explorer, mustang, e-350 super duty, engine: v6, 4.0l, v8, 5.4l, country of origin: china,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 20574013800734663,
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