Best King Pin Sets of 2025

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King pin sets are an essential component of a truck's steering and suspension system. They consist of two tapered pins that hold the front axle of a truck in place and allow it to pivot as the vehicle turns. The pins are made of high-quality materials such as steel or bronze, ensuring their durability and longevity. A well-maintained king pin set can improve a truck's handling and overall performance, while a worn or damaged one can lead to steering problems and unsafe driving conditions. It's important to regularly inspect and replace king pin sets to ensure the safety and reliability of a truck on the road.
At a Glance: Our Top Picks
Top 10 King Pin Sets
Fortpro King Pin Set for Freightliner, Kenworth, Peterbilt
The Fortpro King Pin Set is a replacement for Meritor R200281 King Pin Set and is compatible with Freightliner, Kenworth, and Peterbilt. This set is composed of kingpins, slide bearing bushings, and roller bearings built on high-strength materials that ensure long-term reliability. The Fortpro King Pin Set exceeds OEM quality standards, providing a more reliable and durable steering knuckle.
MOOG King Pin Set for F-350
The MOOG King Pin Set is designed to fit various Ford models, including the F-350 and F-250, from the years 1967 to 1979. Before purchasing, you can easily verify compatibility by entering your vehicle details, ensuring you get the correct part for your needs. Installation is straightforward, allowing you to quickly restore your steering to like-new condition. This set is engineered for long-lasting performance, giving you peace of mind while driving. With MOOG's validated construction and design, you can trust that you are investing in a reliable product that enhances your vehicle's handling.
Moog 8540B King Pin Set
The Moog 8540B King Pin Set is a durable and high-performing set that returns your steering to like-new condition. It is easy to install and incorporates proven design and engineering features. The construction and design of this set have been validated by MOOG engineers, ensuring long-lasting performance.
Boursin King Pin Kit for Isuzu NPR 1986-2017
The Boursin NPR King Pin Set is designed for Isuzu NPR, NQR, NRR, and NPR-HD models from 1986 to 2017. This front axle set includes king pins for both the right and left sides. With this kit, you can ensure proper steering and stability for your vehicle. It fits GMC and Chevrolet W3500 and W4500 models from 1998 to 2010 as well. By using this set, you can enhance the safety and performance of your truck, providing a smoother and more controlled driving experience.
ZTech Replacement Freightliner Cascadia King Pin Set
ZTech King Pin Set is a high-quality replacement for Freightliner Cascadia models. Made by ZTech, a European manufacturer known for their superior performance and durability, this king pin set ensures a precise fit for your vehicle. It is compatible with various axle systems including Alliance Axle P6073300019KZ, Alliance Axle P6073300119KZ, Stemco Kaiser K120A, and Meritor R202037. The lightweight design of just 10 lbs makes it easy to install, reducing downtime and extending the service life of your vehicle. The secure packaging minimizes the risk of damage during transportation. With a 1-year warranty, you can trust the ZTech King Pin Set to deliver reliable performance for your Freightliner Cascadia.
Moog 8524B King Pin Set
The Moog 8524B King Pin Set is designed to be easy to install and provides long-lasting performance, returning your steering to a like-new state. The construction and design of the product has been validated by MOOG engineers and incorporates proven design and engineering features to provide an efficient and reliable solution for your vehicle's king pin set needs.
MOOG 8524N King Pin Set
The MOOG King Pin Set is designed for specific Ford F-100 and F-250 models, ensuring compatibility for your vehicle from 1965 to 1974. Before you buy, it's important to double-check that this part will fit your make and model, which adds a layer of convenience. Installation is straightforward, allowing you to save time and effort. Made with high-quality materials, this set promises durability and long-lasting performance, giving you peace of mind on the road. MOOG engineers have validated its construction and design, ensuring reliability in every use.
Moog 8627B King Pin Set
This king pin set is designed by MOOG engineers to provide long-lasting performance and return the steering to a like-new condition. It is easy to install and incorporates proven design and engineering features.
Speedway Motors 1947-59 Fits Chevy Half-Ton Pickup King Pin Set
Upgrade your old half-ton Chevy truck with the Speedway Motors King Pin Set. This set includes all the necessary parts to tighten up your truck's axles and ensure a smooth ride. With easy installation and detailed instructions, you can quickly and effortlessly improve the performance of your vehicle. The set comes with bushings, thin thrust bearings, and optional spacers, giving you the flexibility to customize your truck's suspension. Speedway Motors offers quality parts at an affordable price, making it a cost-effective choice for truck owners. Don't compromise on safety and stability - get the Speedway Motors King Pin Set today and experience the difference.
Meritor KING PIN BUSHING DRIVER
The Meritor King Pin Driver is an essential tool for anyone working with King Pin Kits. With its precise dimensions of 9.21L x 3.89W x 3.14H inches and a weight of 7.80 pounds, it’s designed to be sturdy yet manageable. This product is categorized under King Pin Sets, ensuring you have the right equipment for your automotive needs. The item comes as a single unit, making it convenient for both professionals and DIY enthusiasts. By choosing this driver, you can enhance your repair efficiency and ensure a proper fit for your vehicle's steering components.
Frequently Asked Questions (FAQs)
1. What happens if you drive with bad kingpins?
Driving with bad kingpins can lead to various issues. Signs of kingpin and bushing failure include incorrect vehicle alignment, premature and uneven front tire wear, and rough handling. These symptoms can result in a shaking cab or steering wheel, making the driving experience uncomfortable and potentially unsafe.
2. Should King pins have any play?
When kingpins are new, they may have a small amount of play, typically around three to four thousandths of an inch. However, if the movement exceeds ten thousandths of an inch, it can lead to rapid tire wear. Therefore, it is important to monitor the play in kingpins and address any excessive movement to prevent tire wear and other potential issues.
During our king pin set research, we found 24 king pin set products and shortlisted 10 quality products. We collected and analyzed 2,745 customer reviews through our big data system to write the king pin sets list. We found that most customers choose king pin sets with an average price of $71.33.
The king pin sets are available for purchase. We have researched hundreds of brands and picked the top brands of king pin sets, including Fortpro, MOOG, Boursin, ZTech, Speedway Motors. The seller of top 1 product has received honest feedback from 64 consumers with an average rating of 4.4.

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.