1. Alternators For Sale
  2. sku: 16874462023135751
  3. NAPA 2139777

NAPA 2139777 Alternator Pulley 2022 F250-F550 6.7L

fits year: 2011.

2139777 Napa 2011 -2022 F250-f550 6.7l Alternator With Pulley

( Brand: Napa ), ( Manufacturer Part Number: 2139777 ), ( Type: Alternator ), ( Manufacturer Warranty: 1 Year ), ( Voltage: 12 V ), ( Features: Pulley Included ), ( Universal Fitment: No )

Review NAPA 2022 F250-f550 6.7l Alternator Pulley fits 2011

The Napa 2139777 alternator pulley is an essential component for the power steering and charging systems of select Ford F-250 and F-550 models equipped with the 6.7L Power Stroke diesel engine, manufactured between 2011 and 2022. This high-quality pulley is specifically designed to meet or exceed the original equipment specifications, ensuring optimal performance and reliability.

Constructed using durable materials, the Napa alternator pulley features a robust design that can withstand the rigors of heavy-duty use. Its precise fit and engineering ensure a seamless integration with the vehicle's existing system, reducing the need for extensive modifications or adjustments.

The alternator pulley serves a crucial role in the engine's charging system by driving the alternator, which converts mechanical energy into electrical energy that powers the vehicle's electrical components. A worn or damaged pulley can cause the alternator to malfunction, resulting in a loss of power and an inability to charge the battery.

The Napa 2139777 alternator pulley is engineered to provide a perfect balance between durability and efficiency. Its smooth, ribbed design reduces vibrations and optimizes power transfer from the engine to the alternator, ensuring a stable and efficient charging system.

Installation of the Napa alternator pulley is a straightforward process, making it an excellent choice for DIY enthusiasts and professional mechanics alike. The pulley comes complete with all necessary hardware, including bolts and seals, for a hassle-free installation experience.

In conclusion, the Napa 2139777 alternator pulley is an essential upgrade for Ford F-250 and F-550 owners with the 6.7L Power Stroke diesel engine, produced between 2011 and 2022. Its robust design, precise fit, and efficient power transfer make it an indispensable component for maintaining the optimal performance and reliability of the vehicle's charging system.

Pros and Cons of Buying a NAPA 2139777 2011-2022 F250-F550 6.7L Alternator Pulley

1. Pros:

a. Replacement Part: This alternator pulley is designed as a direct replacement for the factory part in 2011-2022 Ford F250 and F550 models with 6.7L engines.

b. OE Quality: NAPA is a trusted automotive parts manufacturer known for producing high-quality components that meet or exceed original equipment (OE) specifications.

c. Compatibility: The NAPA 2139777 alternator pulley is compatible with various accessory drives, including power steering and air conditioning systems.

d. Durability: The alternator pulley is engineered to provide reliable and long-lasting performance, ensuring that your vehicle's electrical system remains functional.

2. Cons:

a. Price: Compared to some aftermarket alternatives, the NAPA alternator pulley may be more expensive. However, the cost is justified by its OE quality and long-term durability.

b. Availability: Depending on your location and the availability of automotive parts retailers, you might not be able to find the NAPA alternator pulley immediately.

c. Installation: Installing the alternator pulley may require some mechanical knowledge and tools, which could add to the overall cost and time investment.

Conclusion:

The NAPA 2139777 2011-2022 F250-F550 6.7L Alternator Pulley offers several advantages, including OE quality, compatibility, and durability. Although it might be more expensive and require some installation effort, the long-term performance benefits make it a worthwhile investment for those seeking a reliable and high-performing alternator pulley for their Ford F250 or F550.

Recommendation:

If you're in the market for a new alternator pulley for your 2011-2022 Ford F250 or F550 with a 6.7L engine, the NAPA 2139777 alternator pulley is a solid choice due to its OE quality, compatibility, and long-term durability. While it may cost more than some aftermarket alternatives, its reliability and performance make it a worthwhile investment.

Details:

Napa brand Part# 2139777 This is the alternator on passenger side for dual trucks. Never installed, no box. New remanufactured alternator for 2011 2022 Ford F250-F550 6.7L diesel.

part #: 2139777 price

  • $275.00

specifications altnagen:

  • for years: 2011
  • brand: Napa
  • mpn: 2139777
  • type: Alternator
  • manufacturer warranty: 1 Year
  • voltage: 12 V
  • features: Pulley Included
  • universal fitment: No

shipping altnagen:

  • cost: $10.00
  • transit: 4-10 Days
  • carrier: USPS
  • type: Fixed
  • service: USPS Ground Advantage
  • class: Standard

seller altnagen:

  • # reviews: 179
  • city: Alamosa, Colorado
  • rating: 100.0%

offer altnagen:

  • started: December 8, 2025
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • best offers: True

payments altnagen:

  • credit card: Diners-club
  • other
  • wallet: Google-pay

general altnagen:

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

returns altnagen:

  • policy: No Returns
for years: 2011, type: alternator, manufacturer warranty: 1 year, voltage: 12 v, features: pulley included, universal fitment: no,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > alternators generators, sku: 16874462023135751,
Napa 2139777 Is Similar To:
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1 offer $275.00 USD
  • New other (see details). Offer #1 priced at $275.00 + $10.00 shipping estimate = $285.00* total. Napa brand Part# This is the alternator on the passenger side for dual alternator trucks New remanufactured alternator for 2011-2022 Ford F250-F550 6.7L diesel.+$10.00 shipping

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