Sinotruk HOWO Automatic Slack Adjuster (WG9100340056/57)
Description: The WG9100340056/57 is a genuine Sinotruk HOWO Automatic Slack Adjuster (ASA), also commonly referred to as an Automatic Brake Adjuster or Auto Adjusting Arm. This critical component is specifically engineered for Sinotruk HOWO truck axles utilizing S-cam foundation brakes.

Primary Function: This automatic slack adjuster continuously and precisely maintains the optimal clearance (slack) between the brake shoes and the brake drum on Sinotruk HOWO vehicles. It automatically compensates for brake lining wear, ensuring consistent and reliable braking performance throughout the service life of the brake linings.
HOWO Axle Compatibility: Designed and manufactured to meet the exact specifications and rigorous demands of Sinotruk HOWO truck axles.
Durable Construction: Built with robust materials to withstand the harsh operating environments and heavy loads typical of commercial trucking.
Genuine Sinotruk Part: Ensures perfect fitment, reliability, and performance backed by Sinotruk’s quality standards.
Application: This auto adjusting arm (WG9100340056/57) is an essential replacement part for the brake systems on various Sinotruk HOWO truck models equipped with S-cam brakes on their drive or trailer axles. (Always confirm compatibility for your specific HOWO model and axle configuration).
Utilizing genuine OEM parts guarantees your truck’s reliability, durability, and optimal performanceA global dealer network and extensive inventory ensure that you can quickly access the parts you require. Additionally, a wide range ofaccessories and auxiliary equipment is available to meet your customization needs.

Only OEM parts can deliver the uptime, reliability, and performance you expect from your truck. Designed specifically for your truck, our OEM parts ensure a perfect fit and are manufactured to the highest standards. Choosing OEM parts means peace of mind and hassle-free maintenance.
It’s more than a truck—it’s a lifestyle. OEM parts are designed to meet your customization needs. A bolder, more stylish exterior, enhanced safety features, and increased comfort – all designed to make life on the road even better.

You’ve got to look deeper than the label. Here’s how:
1.Ask for photos of the part with visible SINOTRUK serial numbers.
2.Demand a stamped invoice with part numbers and descriptions.
3.Avoid dealers who can’t match parts to your truck’s VIN or engine model.
4.Request a pre-shipment inspection report or packaging image.
5.Choose partners offering pre-shipment inspection and tracking.