1. Coil Springs Auto Parts For Sale
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  3. AAPF 518-00559

AAPF 518-00559 Rear Leaf Spring Chassis Axle

fits model: M80, F450sd. make: Ford. year: 1999–2003.

518-00559 Aapf Rear Leaf Spring Chassis Cab M80 Axle Fits 99-03 Ford F450sd Pickup 1044308

( Brand: Aapf ), ( Part Type: Spring Axle ), ( Conditions Options: Rear Leaf Spring For 1999 2007 F. ), ( Genuine Oem: No ), ( Ipn: 518-00559 )

Review AAPF Rear Leaf Spring Chassis Cab Axle Ford Pickup fits M80 F450SD 1999–2003

The AAPF 518-00559 rear leaf spring is specifically designed for the chassis of the Ford F-450 with an M80 axle, and is suitable for use in trucks manufactured between 1999 and 2003. This heavy-duty leaf spring is engineered to provide superior load support and durability, making it an excellent choice for those who require extra capacity for towing or carrying heavy cargo.

This leaf spring is composed of high-strength steel, ensuring that it can withstand the rigors of daily use and the demands of heavy-duty applications. The spring leaves are precision-manufactured to ensure consistent thickness and shape, while the spring eyes are designed for a secure and reliable fit on the axle.

The AAPF 518-00559 rear leaf spring also features a greasable eye design, which allows for regular lubrication of the spring eyes to reduce friction and wear. This helps to ensure a smoother ride and longer component life.

Additionally, this leaf spring is designed to be a direct replacement for the original equipment, making installation straightforward and hassle-free. It comes complete with all necessary hardware, and can be installed using standard hand tools.

In summary, the AAPF 518-00559 rear leaf spring is a robust and reliable solution for those seeking to upgrade the load capacity of their Ford F-450 with an M80 axle, manufactured between 1999 and 2003. Its high-strength steel construction, greasable eye design, and direct replacement fit make it an ideal choice for those who require a heavy-duty leaf spring that can handle the demands of towing and cargo carrying.

AAPF 518-00559 Rear Leaf Spring Chassis M80 Axle for Ford F450 (99-03): An Informed Purchase Decision

Introduction:

The AAPF 518-00559 Rear Leaf Spring Chassis M80 Axle is an aftermarket suspension system designed for Ford F450 trucks manufactured between 1999 and 2003. This component enhances the vehicle's towing capacity and ride quality. In this analysis, we will discuss the advantages and disadvantages of purchasing this product.

Pros:

1. Improved Towing Capacity: The AAPF 518-00559 suspension system is engineered to support heavier loads, allowing you to tow more weight with confidence.

2. Enhanced Ride Quality: The upgraded suspension system provides a smoother ride, reducing the jolts and vibrations encountered during off-road driving or towing.

3. Durability: The M80 axle used in this system is known for its superior strength and longevity, ensuring that the component can withstand the rigors of heavy-duty towing and off-road conditions.

4. Affordability: Compared to other aftermarket suspension systems, the AAPF 518-00559 is relatively affordable, making it an attractive option for budget-conscious consumers.

5. Easy Installation: The product comes with a comprehensive instruction manual and all necessary mounting hardware, simplifying the installation process.

Cons:

1. Potential Noise: Some users have reported an increased noise level after installing this suspension system, which may be due to the vibrations transmitted through the vehicle's chassis.

2. May Require Alignment: After installing the new suspension system, the vehicle's wheels may need to be aligned to ensure optimal tire performance and safety.

3. Limited Warranty: The AAPF 518-00559 comes with a limited warranty, which may not cover all potential issues that could arise during use.

Conclusion:

The AAPF 518-00559 Rear Leaf Spring Chassis M80 Axle is an excellent investment for Ford F450 owners who require improved towing capacity, enhanced ride quality, and durability. Although it comes with some disadvantages such as potential noise and alignment needs, the benefits far outweigh the drawbacks. Moreover, the affordability of the product makes it a compelling choice for those looking to upgrade their suspension system without breaking the bank.

Recommendation:

If you are a Ford F450 (99-03) owner seeking to improve your vehicle's towing capacity, ride quality, and durability, the AAPF 518-00559 Rear Leaf Spring Chassis M80 Axle is a worthwhile consideration. Despite the minor drawbacks, the advantages of this product make it a valuable addition to your Ford F450. Ensure that you follow the installation instructions carefully and consider having your wheels aligned after installation to ensure optimal performance and safety.

Details:

FORD F450SD PICKUP 99-02 spring ID M. Rear Leaf Spring For 1999 - 2007. ID 3C34-5A975-BA; M80 axle. FORD F450SD PICKUP 03 chassis cab, excl.

specifications coilspringi:

  • for models: M80, F450sd
  • for makes: Ford
  • for years: 1999-2003
  • brand: Aapf
  • part type: Spring Axle
  • conditions options: Rear Leaf Spring For 1999 2007 F.
  • genuine oem: No
  • ipn: 518-00559

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offer coilspringi:

  • started: December 5, 2025
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • sold: 0

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

seller coilspringi:

  • rating: 100.0%
  • # reviews: 2998
  • city: Kingston Springs, Tennessee

general coilspringi:

  • Car Truck Parts Accessories > Steering Suspension > Leaf Coil Springs
  • condition: New

shipping coilspringi:

  • transit: 3-6 Days
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  • cost: $0.00
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  • type: Fixed
for models: m80, f450sd, for makes: ford, for years: 1999-2003, part type: spring axle, conditions options: rear leaf spring for 1999 2007 f., genuine oem: no,
category: auto parts > car truck parts accessories > steering suspension > leaf coil springs, sku: 20798607803210741,
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