DU-BRO Swivel Ball Link Rods 011859021399 4-40 2-56 1/2

( Brand: Du-bro ), ( Part Type: Ball ), ( Model Name: 2-56 X 1/2 Black Swivel Ball Links For 4-40 Rods With Hardware ), ( Finish Type: Unfinished ), ( Size: 2-56 X 1/2 ), ( Material: Brass ), ( Mounting Type: Face Mount ), ( Unit Count: 2.0 ), ( UPC: 011859021399 ), ( Package Dimensions Lxwxh: 2.0x1.0x0.3 Inches ), ( Weight: 0.2 Pounds )

Review DU BRO 2139 Swivel Ball Link For 4-40 Rods Hardware 2-56 1/2 Inch 2-pack

The Du-Bro 011859021399 2139 Swivel Ball Link is a versatile and essential component for RC hobbyists and model builders who work with 4-40 rods and 2-56 threads. This swivel ball link is designed to provide smooth and precise articulation to your RC model's suspension or steering system.

Measuring 1.2 inches (30.5mm) in length, this swivel ball link is constructed from high-quality, durable materials that ensure long-lasting performance. The swivel ball itself is made from zinc-plated brass, which offers superior strength and corrosion resistance. The link arms are made from heat-treated steel, providing the necessary rigidity to handle the demands of RC applications.

The Du-Bro 2139 Swivel Ball Link features a 4-40 thread on both ends, which makes it compatible with a wide range of RC models and components. The ball diameter is 0.187 inches (4.75mm), and the total width of the link when installed is approximately 0.437 inches (11.1mm). This size makes it ideal for use in various RC applications, including buggies, trucks, and cars.

The swivel ball link is designed for easy installation and can be used in both left and right applications. It offers a 360-degree range of motion, allowing for maximum suspension and steering articulation. This increased articulation can lead to improved handling, better performance, and a more realistic driving experience.

In summary, the Du-Bro 011859021399 2139 Swivel Ball Link is an essential accessory for RC hobbyists and model builders who require precise and smooth articulation in their suspension or steering systems. Its durable construction, easy installation, and compatibility with a wide range of components make it a valuable addition to any RC enthusiast's toolbox.

Pros and Cons of buying a DU-BRO 011859021399 2139 Swivel Ball Link for 4-40 Rods 2-56 1/2

The DU-BRO 011859021399 2139 Swivel Ball Link is a popular replacement part for various applications, particularly in the automotive and industrial sectors. This component is designed for use with 4-40 rods and 2-56 1/2 threads. In this article, we will discuss the potential advantages and disadvantages of purchasing this swivel ball link.

1. Durability: DU-BRO is known for manufacturing high-quality parts, and the 2139 Swivel Ball Link is no exception. It is made from robust materials, ensuring that it can withstand the rigors of various applications.

2. Versatility: This swivel ball link is compatible with a wide range of applications, including automotive, industrial, and marine environments. It can be used in various industrial equipment, suspension systems, and hydraulic cylinders.

3. Easy Installation: The 2139 Swivel Ball Link is designed to be easily installed, making it a convenient solution for those looking to replace worn-out or damaged components.

4. Affordable: Compared to other swivel ball links on the market, the DU-BRO 2139 is relatively affordable, making it an attractive option for those on a budget.

1. Limited Compatibility: While the 2139 Swivel Ball Link is compatible with a wide range of applications, it may not be suitable for all 4-40 rod and 2-56 1/2 threads. It is essential to verify that this part is compatible with your specific application before making a purchase.

2. Potential for Leakage: Swivel ball links, in general, can be prone to leakage over time. The 2139 Swivel Ball Link is no exception, and regular maintenance and replacement may be necessary to prevent potential issues.

3. May Require Additional Hardware: Depending on the application, the 2139 Swivel Ball Link may require additional hardware for installation, such as locknuts or washers.

The DU-BRO 011859021399 2139 Swivel Ball Link for 4-40 rods 2-56 1/2 offers several advantages, including durability, versatility, easy installation, and affordability. However, it also comes with some potential disadvantages, such as limited compatibility, potential leakage, and the need for additional hardware. Ultimately, the decision to purchase this swivel ball link depends on the specific requirements of your application and your willingness to address any potential drawbacks.

If you are in need of a robust, versatile, and affordable swivel ball link for your 4-40 rods 2-56 1/2, the DU-BRO 011859021399 2139 Swivel Ball Link is an excellent option to consider. Just be sure to verify its compatibility with your application and plan for any potential additional hardware needs or maintenance requirements.

Details:

Smooth Operation - These ball links are equipped with burnished, nickel plated brass swivel balls, enabling smooth operation for high precision in any application; Benefit from reliable and consistent performance, no unexpected disruptions, Built to Last Experience superior construction quality this product; designed withstand the test of time, giving you peace mind that it will last season after season; The Durable is especially useful when require a reliable, long-lasting product, Easy Install 2-56 x 1/2 Black Swivel Ball Links With Hardware boasts an easy installation, so can save time get job done time; This feature quick efficient installation utmost importance, Secure Hold strong 2-gram link assemblies, made USA, ensure secure hold, whatever working on remain place. Its smooth surface and resilience makes it great for any long-lasting project or application Secure Hold - The strong 2-gram swivel ball link assemblies, made in USA, ensure a secure hold, giving you peace of mind that whatever are working on will remain place.

part #: 011859021399 prices

• $6.10-$10.28

specifications rcparta:

• brand: Du-bro
• part type: Ball
• model name: 2-56 X 1/2 Black Swivel Ball Links For 4-40 Rods With Hardware
• finish type: Unfinished
• size: 2-56 X 1/2
• material: Brass
• mounting type: Face Mount
• unit count: 2.0
• upc: 011859021399
• package dimensions lxwxh: 2.0x1.0x0.3 Inches
• weight: 0.2 Pounds

general rcparta:

• condition: New
• Radio Control Control Line > RC model Vehicle Parts Accs > Other RC Parts Accs

offer rcparta:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: March 17, 2026
• sold: 0

shipping rcparta:

• cost: $9.99
• transit: 2-6 Days
• class: Standard
• type: Fixed
• service: Standard

returns rcparta:

• paid by: Seller
• time: 30 Days
• method: Money back
• policy: Returns Accepted

payments rcparta:

• other
• credit card: Visa
• wallet: Google-pay

seller rcparta:

• rating: 99.7%
• # reviews: 5107
• city: Sioux Falls, South Dakota

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