1. Axle Parts Transmission Drivetrain For Sale
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  3. FORD TRUCK F450SD

FORD TRUCK Front Left Axle Shaft 447.FD8520

fits model: F450sd. make: Ford. year: 2017–2020.

447.fd8520 Ford Truck 17-20 F450sd Left Front Axle Shaft

( Brand: Ford Truck ), ( Part Type: Axle Shaft ), ( Conditions Options: Left Front Axle ), ( Genuine Oem: Yes ), ( Ipn: 447.fd8520 ), ( Manufacturer Warranty: 60 Day )

Review FORD TRUCK Left Front Axle Shaft fits F450SD 2017–2020

The Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft is a critical component of the front axle assembly in select Ford F-450 Super Duty trucks produced between 2017 and 2020. Designed to deliver robust performance and durability, this axle shaft is engineered to handle the heavy-duty requirements of commercial and towing applications.

Measuring approximately 34.25 inches in length, this left front axle shaft is manufactured from high-strength steel, ensuring it can withstand the intense torque and load conditions encountered on the road. The shaft features a splined design for secure attachment to the differential and wheel hub, providing a reliable connection that minimizes the risk of separation or failure.

The Ford 447.FD8520 axle shaft is also engineered with an offset design, which helps to improve the vehicle's turning radius and maneuverability. This design allows for a smoother ride and better handling in tight spaces, making it an essential upgrade for those who frequently navigate narrow roads or parking lots.

Additionally, the left front axle shaft comes with a greasable CV joint, which enables the continuous lubrication of the joint during operation. This feature helps to reduce friction and wear, allowing the axle shaft to last longer and perform more efficiently.

In summary, the Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft is a crucial replacement part for select Ford F-450 Super Duty trucks. Its high-strength steel construction, splined design, offset geometry, and greasable CV joint combine to provide superior durability, reliability, and performance, making it an essential upgrade for those who demand the best from their vehicle.

Pros and Cons of Buying a Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft

Introduction:

The Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft is a crucial component of your Ford F450 Super Duty vehicle. It connects the left front wheel to the axle housing and is subjected to significant stress during operation. Replacing a worn-out axle shaft can improve your vehicle's performance and safety. In this article, we will discuss the pros and cons of buying this specific axle shaft.

Pros:

1. OEM Quality: The Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft is an original equipment manufacturer (OEM) part, which means it is designed, manufactured, and tested to meet Ford's exact specifications. This ensures a proper fit and optimal performance.

2. Durability: Ford is known for its robust engineering, and the axle shaft is no exception. This part is designed to withstand the heavy loads and harsh conditions typical of Super Duty vehicles.

3. Long-Term Savings: Although the upfront cost might be higher compared to aftermarket parts, the OEM axle shaft's durability and reliability can save you money in the long run by reducing the need for frequent replacements.

Cons:

1. Cost: The Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft is more expensive than aftermarket alternatives. This can be a significant consideration for some buyers, especially those on a tight budget.

2. Availability: Due to its OEM status, this axle shaft might not be as readily available as aftermarket alternatives from various suppliers. You might need to check with multiple dealerships or wait for the part to be shipped from Ford's distribution centers.

3. Limited Customization: OEM parts like the Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft are designed to fit and perform optimally in the original vehicle configuration. If you have made modifications to your Super Duty, aftermarket parts might be more suitable for your needs.

Conclusion:

The Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft offers several advantages, such as OEM quality, durability, and long-term savings. However, its higher cost and limited availability might be disadvantages for some buyers. Ultimately, the decision to buy this axle shaft depends on your priorities, budget, and the specific requirements of your Ford F450 Super Duty.

Recommendation:

If you are looking for optimal performance, reliability, and a proper fit for your Ford F450 Super Duty, the OEM Ford 447.FD8520 17-20 F450 SD Left Front Axle Shaft is the recommended choice. However, if cost is a significant concern or you have made modifications to your vehicle, aftermarket alternatives might be a more suitable option. Always ensure that you purchase parts from reputable suppliers to ensure their quality and compatibility with your vehicle.

Details:

FITS 2017 2018 2019 2020 F450SD.MW, Donor Vehicle model: F450SD Year: Mileage: 2000 not available or unknown Stock Number: 21-072 Notes: LEFT FRONT AXLE SHAFT.

specifications axlpar:

  • for models: F450sd
  • for makes: Ford
  • for years: 2017-2020
  • brand: Ford Truck
  • part type: Axle Shaft
  • conditions options: Left Front Axle
  • genuine oem: Yes
  • ipn: 447.fd8520
  • manufacturer warranty: 60 Day

seller axlpar:

  • rating: 98.7%
  • # reviews: 854
  • city: Byram, Mississippi

general axlpar:

  • condition: Used
  • Car Truck Parts Accessories > Transmission Drivetrain > Axle Housings Parts

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  • paid by: Seller
  • time: 60 Days
  • policy: Returns Accepted

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  • service: USPS Priority Mail
  • cost: $0.00
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  • carrier: USPS

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offer axlpar:

  • quantity: 1
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  • started: July 21, 2025
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  • availability: In Stock
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for models: f450sd, for makes: ford, for years: 2017-2020, part type: axle shaft, conditions options: left front axle, genuine oem: yes, manufacturer warranty: 60 day,
manufacturer: ford, category: auto parts > car truck parts accessories > transmission drivetrain > axle housings parts, sku: 16855590150155791,
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