The reliability of your truck’s power cylinder system depends on the precision of every single component, and the ball head is the critical connection point that ensures smooth, responsive control. The WG9631470075 1 Power Cylinder Ball Head (Inner Wire) from HOWO is engineered to deliver exceptional wear resistance, precise articulation, and consistent performance, ensuring that your power cylinder operates with the accuracy and dependability that professional drivers demand. As a vital Howo/Sitrak truck parts component, this ball head is precision-machined from high-grade alloy steel, heat-treated for optimal hardness, and finished with a durable corrosion-resistant coating to withstand the harshest operating conditions. Its precisely ground spherical surface ensures smooth articulation, reducing friction and extending the life of both the ball head and the socket. Whether you are replacing a worn component or performing a complete power cylinder overhaul, the WG9631470075 1 guarantees a perfect factory fit, exceptional durability, and reliable cable control – making it the definitive choice for professional workshops and fleet operators worldwide.
The power cylinder ball head serves as the pivotal connection between the actuating rod and the internal wire mechanism, translating linear motion into precise cable control. The WG9631470075 1 is specifically designed to accommodate the high-frequency articulation and load variations encountered in heavy-duty applications. Over time, the spherical surface of a standard ball head can wear, leading to play, reduced control precision, and eventual system failure. HOWO has engineered this ball head with a precisely ground, hardened spherical surface that maintains its shape and smoothness even after millions of cycles. Its optimized geometry ensures a snug fit within the socket, eliminating free play and ensuring instantaneous response from the power cylinder. With the WG9631470075 1, you restore the original precision of your power cylinder system, ensuring consistent, reliable performance in the most demanding conditions.
Precision Fit
Zero Play
Hardened
Wear-Resistant
OEM Grade
Genuine HOWO
Corrosion Proof
Long Life
Accurate engineering data ensures correct application and installation. The WG9631470075 1 is manufactured to the highest OEM standards, guaranteeing a seamless replacement for your HOWO power cylinder system.
| Parameter | Specification | Detail |
|---|---|---|
| OEM Number | WG9631470075 1 | Exact Match |
| Part Name | Power Cylinder Ball Head (Inner Wire) | HOWO Genuine |
| Brand | HOWO | Original Equipment |
| Application | HOWO T7H / A7 / Power cylinder | Inner wire connection |
| Material | Alloy steel (40Cr) | Case‑hardened |
| Ball Diameter | 25.4 mm | Precision ground |
| Thread Size | M10 x 1.5 (inner wire end) | Standard metric |
| Overall Length | 65 mm | End‑to‑end |
| Surface Hardness (ball) | 58–62 HRC | Wear resistant |
| Core Hardness | 28–32 HRC | Toughness |
| Surface Treatment | Zinc‑plated + passivation | Corrosion resistant |
| Weight | 0.18 kg | Lightweight |
| Warranty | 12 Months | Manufacturer Guarantee |
The WG9631470075 1 is manufactured using a multi‑step process that begins with cold‑heading of high‑grade alloy steel wire, followed by precision CNC machining to achieve the exact spherical geometry and thread dimensions. The ball surface is ground to a mirror finish with a concentricity of less than 0.02 mm, ensuring that it rotates smoothly within the socket without any binding or excessive clearance.
The component undergoes a case‑carburizing heat treatment that enriches the surface layer with carbon, followed by quenching and tempering to achieve the ideal balance of surface hardness and core toughness. This process results in a wear‑resistant ball surface that resists scoring and galling, while the tough core absorbs shock loads without fracturing. The threaded end is rolled, not cut, to improve fatigue resistance and ensure a secure connection with the inner wire. A zinc‑plating and passivation finish provides superior corrosion resistance, even in the harsh under‑vehicle environment. Each ball head is inspected for hardness, dimensional accuracy, and surface finish, guaranteeing that the WG9631470075 1 meets HOWO’s stringent quality standards. This meticulous engineering ensures that your power cylinder system delivers consistent, reliable performance, mile after mile.
The WG9631470075 1 is specifically designed for HOWO heavy‑duty trucks, including T7H, A7, and derivative models, as part of the power cylinder system used for various actuation functions, such as clutch control or throttle actuation. It directly replaces the original ball head with identical ball diameter, thread size, and overall length, ensuring a straightforward installation without modifications. The component is compatible with both manual and automated transmission systems that utilise a power cylinder for cable actuation.
This ball head is also compatible with many Sinotruk and other commercial vehicles that share the same power cylinder architecture. To confirm fitment, always cross‑reference the OEM number on your existing ball head with WG9631470075 1. If they match, this component will integrate seamlessly. Keeping this ball head in your spare parts inventory enables rapid power cylinder repairs, minimising downtime and preserving the precise control that your drivers rely on.
HOWO T7H
Primary Fitment
HOWO A7
Also Compatible
Power Cylinder
Inner Wire
Direct Replacement
No Mods
Replacing a worn ball head with the WG9631470075 1 yields an immediate improvement in control precision and response. The precisely ground spherical surface ensures smooth, frictionless articulation, eliminating the stick‑slip effect that can cause jerky or delayed actuation. The hardened surface resists wear, maintaining the original clearances and eliminating the free play that develops in softer or lower‑grade ball heads.
The improved articulation and reduced play translate to more consistent cable travel, resulting in smoother clutch engagement, more precise throttle response, or more reliable actuation of other power cylinder‑controlled functions. The corrosion‑resistant finish also ensures that the ball head remains free‑moving even after years of exposure to moisture and road salts, reducing the risk of seizure. For fleet operators, a reliable ball head reduces power cylinder‑related breakdowns, lowers maintenance costs, and improves driver satisfaction. By investing in the WG9631470075 1, you ensure that your HOWO truck continues to deliver the precise, responsive control that it is known for.
Installing the WG9631470075 1 Power Cylinder Ball Head is a straightforward procedure. Begin by safely disconnecting the power cylinder linkage and removing the old ball head from the inner wire. Clean the threaded end of the inner wire thoroughly to remove any dirt, rust, or old thread‑locking compound.
Apply a small amount of medium‑strength thread‑locking compound to the threads of the new ball head, then thread it onto the inner wire until it is fully seated. Torque the ball head to the manufacturer’s specification (typically 10–15 Nm). Ensure that the ball head rotates freely within the socket and that there is no excessive play. Reconnect the power cylinder linkage and test the system for smooth, full‑range operation. Periodically inspect the ball head for signs of wear or corrosion, and re‑apply anti‑seize or lubricant to the socket as part of routine maintenance. With proper installation and care, the WG9631470075 1 will provide years of reliable, precise control.
Pro Tip: When replacing the ball head, always inspect the socket for wear or scoring. A worn socket will cause premature failure of the new ball head. If the socket is damaged, replace the entire power cylinder linkage or socket assembly to ensure optimal performance. The WG9631470075 1 is designed to work with OEM‑spec sockets; ensure compatibility before installation.
Genuine HOWO components are engineered to the highest standards, and the WG9631470075 1 Power Cylinder Ball Head is no exception. Aftermarket ball heads often use lower‑grade steel, inconsistent hardening, or imprecise spherical geometry, leading to rapid wear, excessive play, and premature failure. HOWO’s ball head is manufactured using the same materials and processes as the original equipment, guaranteeing a perfect fit and reliable performance.
By choosing the WG9631470075 1, you benefit from HOWO’s rigorous testing, including wear, fatigue, and corrosion resistance tests. This ensures that the ball head meets the demanding requirements of heavy‑duty trucking. Moreover, genuine parts are backed by a comprehensive warranty and supported by HOWO’s global network, giving you confidence in your purchase.
OEM Authentic
Factory Quality
Long Service
Extended Life
Global Standard
Trusted Worldwide
Q: Which vehicles use the WG9631470075 1?
A: It is designed for HOWO T7H, A7, and other models with power cylinder actuation systems, as well as many Sinotruk trucks with the same control architecture.
Q: What are the signs of a worn ball head?
A: Excessive play in the linkage, a loose or unresponsive feel in the control, audible clicking or clunking, and visible wear or scoring on the spherical surface are common indicators.
Q: Does the ball head come with a lock nut or washer?
A: The WG9631470075 1 includes the ball head only. We recommend using a new lock nut and thread‑locking compound for secure installation.
Q: How do I verify the correct part?
A: Check the OEM number stamped on your existing ball head. If it matches WG9631470075 1, this is the exact replacement. Consult your vehicle’s parts manual for additional confirmation.
Order your WG9631470075 1 Power Cylinder Ball Head today! Explore our complete selection of genuine HOWO and Sinotruk control components at Howo/Sitrak truck parts and ensure your power cylinder operates with precision and reliability.
The WG9631470075 1 Power Cylinder Ball Head from HOWO is a testament to precision engineering and unwavering quality. By choosing this genuine component, you ensure that your truck’s power cylinder system operates with the smoothness, accuracy, and durability that professional drivers demand. Whether you are a professional mechanic or a fleet manager, this ball head offers the strength, precision, and exact fit required for modern heavy‑duty trucks. Trust HOWO – the benchmark for excellence in heavy‑duty truck components – and experience the difference that genuine quality makes.
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