Drag Link For Sinotruk HOWO Heavy Truck

This product is the Drag Link, the core force transmission component of the heavy truck steering system. It connects the steering gear and the steering knuckle arm, transmitting steering power to realize the directional control of the vehicle. It effectively solves common failures caused by aging parts such as loose steering, wandering while driving, abnormal steering noise and unstable direction control. It adopts thickened seamless steel pipe rod body and integrated high-strength ball joint assembly with built-in wear-resistant ball head and reliable dustproof sealing structure. It maintains stable transmission performance under long-term bumpy road conditions. The adjustable structure and standard mounting dimensions support direct replacement installation, ensuring precise steering response and safe driving.

① Applicable vehicle models Suitable for Sinotruk HOWO series heavy trucks, including logistics tractors, cargo transport vehicles and engineering dump trucks. Widely matched for front axle steering assembly of HOWO heavy-duty vehicles. ② Adaptation System Belongs to HOWO Steering System. Precisely matches the vehicle steering gear and front axle steering knuckle arm assembly. Install by using reserved standard fixing hole positions, no cutting, drilling or modification to vehicle structure. No extra complicated debugging required after replacement and it can be used directly. ③ Original Factory Reference Number Manufactured strictly in accordance with OEM drawing data and mold standards. Rod length, ball joint parameters, mounting thread size and connection size keep consistent with genuine spare parts to achieve 100% accurate interchangeability. ④ Interchangeability All core technical parameters fully comply with OEM dimensional and performance standards. It can directly replace the original drag link, greatly shortening on-site maintenance adjustment time and reducing labor costs for fleets and repair workshops. ⑤ Additional Services We provide professional compatibility verification according to customers' truck model, front axle configuration and steering assembly parameters. We also supply detailed disassembly and assembly operation guidance. The technical team offers full installation support to prevent steering shake, direction deviation and premature wear caused by mismatched accessories or non-standard installation.

The main rod body adopts thickened high-strength seamless steel pipe, with strong torsion resistance and bending resistance, resisting impact and deformation under complex road conditions. The ball head core is made of forged alloy steel after quenching and tempering treatment, featuring high hardness and excellent wear resistance. The built-in dustproof rubber sleeve is made of high-quality nitrile rubber, which effectively blocks mud, dust and water vapor and prevents grease loss and ball head abrasion. Internal pressure-bearing spring maintains constant preload for the ball joint, eliminating steering clearance caused by wear. The whole assembly has outstanding shock resistance and environmental adaptability to adapt to long-distance transportation and harsh engineering working conditions.

The outer surface of the drag link body adopts electrophoretic black anti-rust coating treatment to avoid oxidation and corrosion under humid and muddy driving environments. The ball joint thread is precision machined and anti-rust treated, ensuring smooth assembly and reliable locking. The surface of the ball head is coated with wear-resistant lubricating grease at factory, reducing friction loss during steering movement. The dust cover is closely assembled to effectively isolate external pollutants and extend the service life of internal ball head components.

Seamless steel pipe cutting, forging of ball joint base and ball head assembly are completed by advanced automatic CNC production equipment. Key processing procedures are completed in a constant temperature dust-free workshop to eliminate internal stress of the workpiece and avoid bending deformation during long-term service. Key indicators including rod straightness, ball joint rotational torque, thread tolerance and assembly tightness are inspected piece by piece with professional precision testing equipment. All finished products pass 100% full inspection before delivery, including appearance inspection, reciprocating steering fatigue test, dustproof and waterproof performance test. Each batch of goods is screened in accordance with OEM standards to fully meet the long-term stable steering requirements of heavy truck steering system.

We are equipped with professional steel pipe processing, forging and assembly production lines, as well as complete steering parts performance testing equipment, with mature standardized stable production processes. Sufficient monthly output and abundant finished product stock can fully support bulk wholesale, spot delivery and global export orders. We also provide customized services including OEM part number marking, neutral export packaging and sample trial production. We fully satisfy personalized procurement and matching demands of global auto parts distributors, repair shops and fleet purchasers.

Q: Compared with ordinary aftermarket drag links, what core advantages does this product have?A: It is manufactured strictly following OEM standards, equipped with thickened anti-bending rod body, quenched wear-resistant alloy ball head and complete dustproof sealing structure. It effectively avoids steering clearance, abnormal noise and premature failure. It keeps stable and accurate steering performance under frequent steering and bumpy road conditions, providing reliable safety guarantee for the vehicle steering system.Q: Is the product quality reliable? What is its service life?A: All products are produced in accordance with original factory technical specifications and pass multiple rounds of fatigue cycle tests. Under standard normal driving and maintenance conditions, its service life reaches 3–5 years. It is specially developed for heavy trucks, engineering vehicles and long-distance logistics transportation, with stable quality and outstanding cost performance.Q: What practical benefits can replacement with this drag link bring?A: It completely restores the original precise steering performance of the vehicle, solves typical faults such as vehicle wandering, loose steering, shaking and abnormal noise when turning. It ensures stable and sensitive directional control during driving, improves driving safety and handling comfort. It avoids frequent repeated maintenance caused by steering system failure and reduces the overall vehicle operation and maintenance expenses.

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