1. Alternators For Sale
  2. sku: 16862729264128781
  3. OEG PP13978N

OEG PARTS PP13978N Alternator 90-29-5470 V8 3.9L 3W4Z-10346-AARM

fits model: Thunderbird. make: Ford. year: 2003–2005.

3w4z-10346-aarm Oeg Parts Pp13978n New Alternator For Ford Thunderbird V8 3.9l 03-05 3w4z-10346-aa

( Brand: Oeg Parts ), ( Manufacturer Part Number: PP13978N ), ( Type: Alternator ), ( Amperage: 140 A ), ( Features: Pulley Included, Clockwise Rotation ), ( Oe/oem Part Number: 3w4z-10346-aa, 3w4z-10346-aarm, 4w4t-10300-aa ), ( Voltage: 12 V ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: No ), ( Country Of Origin: China ), ( Ipn: 90-29-5470 ), ( Spec Core Charge: No Core Required ), ( Spec General: Denso Hairpin Ir/if 140a 12v Cw S6 ), ( Spec Includes: Mounting Hardware ), ( Spec Internal Id: Pp13978n-e3 )

Review OEG PARTS New Alternator Ford V8 3.9l 3w4z-10346-aa fits THUNDERBIRD 2003–2005

The OEM PP13978N alternator is a genuine Ford part designed specifically for the Ford Thunderbird V8 with a 3.9L engine, manufactured between the years 2003 and 2005, equipped with the 3W4Z-10346-AA or 3W4Z-10346-AAR serpentine belt system. This alternator is a crucial component of your vehicle's charging system, responsible for converting mechanical energy from the engine into electrical energy to power the vehicle's electrical systems and recharge the battery.

This alternator boasts a robust and durable design, featuring a strong drive pulley, diode rectifier, and a heavy-duty three-phase rotor. The pulley is engineered for optimal belt contact, ensuring efficient power transmission and minimizing wear and tear on the serpentine belt. The diode rectifier ensures that the electrical current is converted efficiently and effectively, providing your vehicle with a reliable source of power. The three-phase rotor design offers improved performance and longer lifespan, making this alternator an excellent choice for maintaining the electrical health of your Ford Thunderbird.

The OEM PP13978N alternator is also designed with easy installation in mind. It comes with all necessary mounting hardware, ensuring a secure and proper installation. Additionally, it features a conveniently located voltage regulator, which makes wiring connections a breeze. With its precise fit and finish, this alternator not only performs exceptionally well but also integrates seamlessly with your vehicle's existing electrical system.

By choosing the OEM PP13978N alternator for your Ford Thunderbird, you can rest assured that you're getting a high-quality, genuine Ford part that is specifically engineered for your vehicle and its unique electrical requirements. This alternator not only ensures reliable and efficient power delivery, but it also helps prolong the life of your battery and other electrical components, ultimately enhancing the overall performance and longevity of your Ford Thunderbird.

Buying an OEM PP13978N Alternator for a Ford Thunderbird V8 (3.9L, 03-05): Pros, Cons, and Conclusion

The OEM PP13978N alternator is a factory-original component designed for Ford Thunderbird V8 models with a 3.9L engine, manufactured between 2003 and 2005 (3W4Z-10346-AA and 3W4Z-10346-AARM). In this article, we will discuss the advantages and disadvantages of purchasing this alternator to help you make an informed decision.

Pros:

1. Original Equipment: The OEM PP13978N alternator is a direct replacement manufactured by Ford or an approved supplier. This ensures compatibility with your vehicle, as well as a proper fit and finish.

2. Reliability: OEM parts are generally known for their durability and reliability, as they are specifically engineered to meet the manufacturer's exacting standards.

3. Warranty: A new OEM alternator typically comes with a warranty that covers defects and failures. This provides peace of mind and protection against potential issues.

4. Performance: An OEM alternator is designed to deliver optimal performance, ensuring your vehicle's electrical systems function efficiently and effectively.

5. Availability: OEM parts are readily available from dealerships and authorized Ford parts suppliers.

Cons:

1. Cost: Original equipment parts, including the OEM PP13978N alternator, can be more expensive than aftermarket alternatives.

2. Longer lead times: Due to the supply chain and production processes, OEM parts may take longer to acquire compared to aftermarket options.

3. Limited customization: OEM parts are designed to meet the manufacturer's specifications, leaving little room for customization or modification.

Conclusion:

When considering the purchase of an OEM PP13978N alternator for your Ford Thunderbird V8, it's essential to weigh the advantages and disadvantages carefully. The benefits of reliability, performance, and warranty may outweigh the higher cost and longer lead times for some consumers. On the other hand, those seeking a more affordable or custom solution may opt for an aftermarket alternative. Ultimately, the decision depends on your priorities, budget, and preferences.

Recommendation:

If you value the peace of mind and performance benefits that come with an original equipment alternator, or if you frequently drive under demanding conditions, the OEM PP13978N alternator is a solid choice for your Ford Thunderbird V8. However, if cost is a concern or you prefer a more custom solution, consider exploring aftermarket options. Regardless of your decision, ensure you purchase the alternator from a trusted and reputable source to guarantee quality and compatibility.

Details:

Compatible with Ford Thunderbird 2003 2005 V8 3.9L 242cid, Lincoln LS 2003 2006 242cid. You can also find our phone number by ing on FAQs > Other. New Alternator For Ford Thunderbird V8 3.9L 03-05 3W4Z-10346-AA 3W4Z-10346-AARM. With the exemption of us.

1 Year Warranty.: Alternator; condition: New; OE Manufacturer: Denso; Unit Series: HAIRPIN; voltage : 12V; Amperage: 140A; Rotation: CW; Regulator/Fan: IR/IF; Plug Code: 342; Pulley Class: S6; Case Outside Diameter: 134mm; OD: 55mm; Mounting Hardware Included: No; Finish: Same as OE; Number of Pieces: 1; Country Origin: CN; Notes: PERMANENT MAGNET. Same Day Handling.

specifications altnagen:

  • for models: Thunderbird
  • for makes: Ford
  • for years: 2003-2005
  • brand: Oeg Parts
  • mpn: Pp13978n
  • type: Alternator
  • amperage: 140 A
  • features: Pulley Included, Clockwise Rotation
  • oe/oem part number: 3w4z-10346-aa, 3w4z-10346-aarm, 4w4t-10300-aa
  • voltage: 12 V
  • manufacturer warranty: 1 Year
  • universal fitment: No
  • country of origin: China
  • ipn: 90-29-5470
  • spec core charge: No Core Required
  • spec general: Denso Hairpin Ir/if 140a 12v Cw S6
  • spec includes: Mounting Hardware
  • spec internal id: Pp13978n-e3

offer altnagen:

  • sold: 0
  • options: Ship-to-home
  • started: December 7, 2025
  • availability: In Stock

general altnagen:

  • condition: New
  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators

payments altnagen:

  • wallet: Google-pay
  • credit card: Visa
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shipping altnagen:

  • transit: 3-5 Days
  • cost: $0.00
  • class: Standard, Expedited, One-day
  • service: Standard, Expedited, Overnight
  • type: Fixed

returns altnagen:

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

seller altnagen:

  • city: Miami, Florida
  • # reviews: 97516
  • rating: 99.2%
for models: thunderbird, for makes: ford, for years: 2003-2005, type: alternator, amperage: 140 a, features: pulley included, clockwise rotation, oe/oem part number: 3w4z-10346-aa, 3w4z-10346-aarm, 4w4t-10300-aa, voltage: 12 v, manufacturer warranty: 1 year, universal fitment: no, country of origin: china, spec core charge: no core required, spec general: denso hairpin ir/if 140a 12v cw s6, spec includes: mounting hardware, spec internal id: pp13978n-e3,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > alternators generators, sku: 16862729264128781,
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