Product Introduction

This Brake Drum WG4075450001 is an OEM heavy-duty brake drum for heavy-duty trucks and commercial vehicles. It is made of high-strength gray cast iron with precision machining, designed to provide stable, safe and long-lasting braking performance under heavy-load, long-haul and severe working conditions.

Performance

• High-grade gray cast iron: Excellent thermal conductivity, wear resistance and shock resistance, stable under high temperature.

• Precision machined fitting surface: Ensures perfect concentricity and good matching with brake shoes, uniform force and stable braking.

• Strong heat dissipation: Effectively reduces heat fade during continuous braking, ensuring reliable performance on long downhill roads.

• Reinforced structure: Thickened wall and mounting area resist deformation and cracking under heavy load.

• OEM standard dimensions: Direct replacement for original brake drum, easy installation.

Core Function

1. Works with brake shoes to create friction and slow down or stop the vehicle.

2. Withstands high temperature and pressure during heavy-duty braking.

3. Ensures stable and safe braking performance for heavy trucks.

4. Direct replacement part to restore braking efficiency.

Brake Drum WG4075450001 Sinotruk – OEM Heavy-Duty Brake Drum for HOWO Trucks

When your fleet depends on reliable stopping power under extreme loads, every component in the braking system matters. The Brake Drum WG4075450001 Sinotruk is engineered specifically for heavy-duty commercial vehicles that operate in the most demanding environments — from long-haul highway routes to rugged construction sites. Built from high-strength gray cast iron and precision-machined to OEM tolerances, this brake drum delivers the consistent, fade-resistant braking performance that keeps drivers safe and fleets moving. As a direct-from-factory supplier, Mettlead offers wholesale distributors and agents unbeatable pricing, flexible MOQs, and dependable global logistics on every order.

Key Features and Benefits of Brake Drum WG4075450001

Superior Material Composition

This Sinotruk brake drum is cast from premium-grade gray cast iron (HT250), which provides an excellent balance of thermal conductivity, vibration damping, and wear resistance. As a result, the drum dissipates heat efficiently during prolonged braking, significantly reducing the risk of brake fade on steep descents and stop-and-go urban routes.

Precision CNC Machining

Every Brake Drum WG4075450001 undergoes strict CNC machining processes to ensure dimensional accuracy within OEM specifications. Consequently, the drum seats perfectly against brake shoes, promoting even contact and uniform wear — which ultimately extends service intervals and lowers your customers’ total cost of ownership.

Heavy-Load Durability

Designed to withstand the punishing conditions of heavy-duty trucking, this brake drum resists cracking, scoring, and thermal distortion even under continuous high-temperature braking. In other words, it performs reliably whether the truck is hauling 40 tons of cargo across a desert highway or navigating mountain passes fully loaded.

Direct OEM Replacement

The WG4075450001 is a genuine-spec replacement part that installs without modification. Therefore, workshops save valuable labor time, and fleet managers avoid costly downtime during brake maintenance or overhaul.

Wholesale Profit Advantage

Because Mettlead sources directly from certified Chinese manufacturing facilities, distributors and agents enjoy factory-gate pricing with healthy margins. Moreover, our flexible order quantities and white-label packaging options allow you to build your own brand while maintaining premium quality standards.

Technical Specifications – Brake Drum WG4075450001 Sinotruk

Application Scenarios – Where This Brake Drum Performs

Compatible Vehicle Models

The Brake Drum WG4075450001 is specifically designed to fit Sinotruk HOWO series heavy-duty trucks, including tractor heads, dump trucks, cargo trucks, and mixer trucks equipped with drum brake rear axles. It serves as a direct replacement across multiple HOWO model generations.

Typical Use Cases

• Braking System Assembly: Ideal for new vehicle assembly lines or axle rebuilds requiring factory-spec brake drums.
• Wear Replacement: Perfect for scheduled maintenance when existing drums reach their minimum thickness or show signs of scoring and heat damage.
• Repair and Overhaul: Essential for workshops performing complete brake system overhauls after accidents or extended heavy-duty service.

Whether your customers operate mining haul routes in Africa, construction logistics in Southeast Asia, or long-distance freight corridors in the Middle East, this brake drum is built to handle it all. Explore our full range of braking system components to complement this part.

OEM/ODM Capabilities – Your Brand, Our Quality

White-Label and Custom Packaging

Mettlead understands that distributors need brand flexibility. That’s why we offer complete white-label packaging services — your logo, your box design, your brand identity — all backed by our factory-certified quality. Additionally, we can customize labeling, barcoding, and documentation to meet your regional market requirements.

Strict Quality Control

Every Brake Drum WG4075450001 passes through a multi-stage quality inspection process before shipment. This includes dimensional verification, hardness testing, balance checks, and visual inspection. As a result, defect rates remain exceptionally low, protecting your reputation and reducing costly returns.

Factory Direct Supply Chain

By eliminating middlemen, we pass genuine cost savings directly to wholesale buyers. Furthermore, our established relationships with top-tier Chinese truck parts manufacturers mean we maintain deep inventory and fast turnaround — even for large-volume orders. Visit our Sinotruk HOWO parts catalog to see our full product range.

Frequently Asked Questions – Brake Drum WG4075450001 Sinotruk

What trucks does the Brake Drum WG4075450001 fit?

This brake drum is designed as a direct-fit OEM replacement for Sinotruk HOWO heavy-duty trucks, including models with drum brake rear axle configurations. It matches the original factory dimensions and mounting specifications precisely, so no modifications are needed during installation.

What material is the Brake Drum WG4075450001 made from?

It is manufactured from high-strength gray cast iron (HT250), which offers excellent heat dissipation, vibration absorption, and resistance to thermal cracking. This material choice ensures the drum maintains structural integrity even under repeated high-temperature braking cycles.

How long does this brake drum typically last?

Under normal operating conditions and proper maintenance, the Brake Drum WG4075450001 delivers a service life comparable to the original OEM part. Actual lifespan depends on factors such as load weight, terrain, driving habits, and brake shoe quality. Regular inspection for scoring, minimum thickness, and out-of-round conditions is recommended.

Can I get custom packaging with my own brand on this brake drum?

Absolutely. Mettlead provides full white-label and custom packaging services. You can supply your own artwork and branding, and we will package each brake drum accordingly — helping you build brand recognition in your local market while maintaining OEM-level product quality.

What quality checks does this brake drum undergo before shipping?

Each unit passes through dimensional measurement, hardness testing, dynamic balance verification, and surface finish inspection. Our multi-point quality control process ensures every Brake Drum WG4075450001 meets or exceeds original equipment standards before it leaves our warehouse.

Is there a minimum order quantity for wholesale buyers?

We offer flexible MOQs tailored to the needs of distributors and agents. Whether you’re placing a trial order or stocking up for a full container shipment, we can accommodate your requirements. For specific pricing tiers and volume discounts, please reach out to our sales team directly.

Ready to Stock the Brake Drum WG4075450001 Sinotruk?

If you’re a distributor, wholesaler, or fleet parts agent looking for a reliable supply of OEM-quality Sinotruk brake drums at competitive factory-direct prices, you’ve found the right partner. Mettlead delivers consistent quality, fast shipping, and the flexible terms your business needs to grow.

Take the next step today:
Contact us now to request a wholesale quote, ask about MOQ options, or arrange a factory visit. Let’s build a profitable partnership together.

Browse more genuine Sinotruk replacement parts in our Sinotruk truck parts collection.