Product Introduction

This brake caliper L AZ4007443010 is a heavy-duty OEM left brake caliper for heavy duty trucks, engineered for commercial vehicle disc brake systems. It features a robust cast iron housing, precision-machined piston bores, and integrated mounting brackets, built to deliver reliable, consistent braking force in heavy-load operations.

Performance

• High-Strength Construction: This heavy duty left brake caliperis cast from high-grade iron, offering exceptional resistance to bending, torsion, and fatigue under extreme braking forces as a high performance brake caliper.

• Precision Machining: The precision-ground piston bores ensure smooth, uniform clamping force, eliminating uneven wear and maintaining consistent braking performance.

• Corrosion Resistance: The cast iron housing and corrosion-resistant internal components resist rust, road salt, and moisture, extending service life in harsh undercarriage environments and making it a reliable replacement left brake caliper.

• Vehicle Specific Compatibility: Optimized for heavy-duty truck disc brake systems, it is ideal as a left brake caliper for commercial vehicles.

Core Function

1. Converts hydraulic pressure into clamping force to engage brake discs, a critical part of heavy duty truck brake parts.

2. Ensures uniform force distribution across brake pads, preventing uneven wear and maintaining consistent braking performance under heavy loads.

3. Resists fatigue and deformation, ensuring reliable operation over millions of braking cycles.

4. Fully OEM-compatible for seamless replacement, restoring the clamping function of the left brake system.

Brake Caliper L AZ4007443010 – OEM Left Brake Caliper for Sinotruk Sitrak Heavy-Duty Trucks

When your heavy-duty truck demands unwavering stopping power, every component in the braking system matters — especially the caliper. The Brake Caliper L AZ4007443010 is a precision-engineered OEM left brake caliper designed specifically for Sinotruk Sitrak commercial vehicles. Built from robust cast iron and machined to exacting tolerances, this caliper delivers the consistent, reliable braking force that heavy-load operations require day after day. Whether you’re replacing a worn-out unit or stocking your warehouse for fleet maintenance, Mettlead supplies this genuine-spec part at factory-direct prices with fast, dependable shipping worldwide.

Key Features and Benefits of Brake Caliper L AZ4007443010

This isn’t just another aftermarket part sitting on a shelf. The AZ4007443010 left brake caliper is engineered to meet the rigorous demands of commercial trucking, and here’s exactly why procurement managers trust it:

• Heavy-Duty Cast Iron Housing: The caliper body is cast from high-grade iron, providing exceptional rigidity and heat dissipation. This means it resists warping even under extreme braking temperatures, extending service life considerably.
• Precision-Machined Piston Bores: Each piston bore is machined to tight tolerances, ensuring smooth piston travel and uniform pad-to-disc contact. The result? Even braking force distribution and reduced uneven pad wear.
• Integrated Mounting Brackets: The built-in mounting design simplifies installation and eliminates the need for separate bracket hardware, saving your technicians valuable time during replacement.
• OEM-Equivalent Specifications: Manufactured to match original Sinotruk Sitrak factory specifications, so it fits perfectly without modifications — a direct bolt-on replacement that keeps your trucks on the road faster.
• Corrosion-Resistant Surface Treatment: A protective coating guards against rust and environmental degradation, which is particularly important for vehicles operating in humid, coastal, or harsh-weather regions.
• Consistent Braking Performance Under Load: Designed for heavy-load commercial operations, this caliper maintains reliable clamping force whether the truck is fully loaded or running empty.

In short, the Brake Caliper L AZ4007443010 keeps your Sinotruk Sitrak fleet stopping safely and predictably — and that translates directly into lower maintenance costs and less downtime for your operation.

Technical Specifications

Accurate specifications matter when you’re sourcing brake components for a commercial fleet. Below you’ll find the detailed parameters for this left brake caliper:

If you need additional dimensional data or cross-reference numbers for your specific Sitrak model, don’t hesitate to contact us directly — our technical team responds quickly.

Application Scenarios – Where This Brake Caliper Fits

Understanding exactly where and when this part is needed helps you plan procurement more effectively. Here are the primary application scenarios for the Brake Caliper L AZ4007443010:

• Compatible Truck Models: This left brake caliper is designed to fit Sinotruk heavy-duty trucks and Sitrak series vehicles equipped with disc brake systems. It serves as a direct replacement for the original factory-installed unit.
• Replacement After Damage or Wear: Over time, brake calipers can develop piston seal leaks, seized pistons, or cracked housings due to thermal stress and heavy use. When these failures occur, prompt replacement with an OEM-spec caliper like the AZ4007443010 restores full braking capability.
• Fleet Maintenance and Overhaul: For fleet operators managing multiple Sinotruk or Sitrak trucks, keeping this caliper in stock minimizes vehicle downtime during scheduled brake system overhauls.
• Braking System Upgrade or Rebuild: When rebuilding a complete disc brake assembly, this caliper integrates seamlessly with OEM brake pads, rotors, and hydraulic lines for the Sitrak platform.

Looking for more Sitrak braking components? Browse our full braking system parts catalog or explore the complete Sitrak heavy-duty parts range available from Mettlead.

OEM and ODM Capabilities

As a procurement manager, you likely need more than just a part — you need a supply partner who can adapt to your business requirements. Here’s what Mettlead brings to the table:

• White-Label Packaging: Want to sell under your own brand? We offer custom packaging and labeling services so you can present parts with your company identity, no questions asked.
• Custom Packaging Solutions: Whether you need bulk export packaging, individual retail boxes, or specific labeling for your market, we accommodate your requirements.
• Strict Quality Control: Every Brake Caliper L AZ4007443010 undergoes rigorous inspection before shipping — dimensional checks, surface quality verification, and functional testing ensure only conforming parts leave our facility.
• Factory-Direct Pricing: By sourcing directly from our manufacturing base in China, you eliminate middlemen and enjoy competitive pricing that protects your margins.
• Flexible and Secure Payment: We support multiple payment methods to suit your company’s financial processes, all handled through proper, secure channels.
• Visitor Inspections Welcome: We encourage buyers to visit our facility, inspect production lines, and verify quality firsthand. Transparency builds trust.

For a comprehensive overview of all Sinotruk Sitrak parts we supply — from engine components to chassis hardware — visit our Sinotruk Sitrak truck parts full category guide.

Frequently Asked Questions (FAQ)

What is the OEM part number for this left brake caliper?

The OEM part number is AZ4007443010. This is the original Sinotruk reference number, so you can cross-check it against your vehicle’s parts manual to confirm fitment for your specific Sitrak truck model.

Which trucks does the Brake Caliper L AZ4007443010 fit?

This left brake caliper is designed for Sinotruk heavy-duty trucks and Sitrak series commercial vehicles that use disc brake systems. If you’re unsure whether it matches your exact model, send us your VIN or chassis number and our team will verify compatibility.

What material is this brake caliper made from?

The caliper housing is manufactured from high-grade cast iron, which provides excellent thermal stability, mechanical strength, and resistance to cracking under repeated heavy braking cycles. The surface is also treated with an anti-corrosion coating for extended durability.

How do I know when my brake caliper needs replacement?

Common signs include uneven brake pad wear, the vehicle pulling to one side during braking, brake fluid leaks around the caliper, or a spongy brake pedal feel. If the piston is seized or the housing shows visible cracks, immediate replacement with a new Brake Caliper L AZ4007443010 is essential for safe operation.

Is this caliper a direct bolt-on replacement?

Yes. The AZ4007443010 features integrated mounting brackets that match the original factory mounting points. No modifications or additional hardware are required — it bolts directly into place, which significantly reduces installation time.

Can I order this brake caliper with my own brand packaging?

Absolutely. Mettlead offers white-label and custom packaging services. You provide your branding specifications, and we deliver the parts packaged under your company name, ready for resale in your market.

What is the minimum order quantity (MOQ)?

MOQ varies depending on whether you need standard or custom-packaged units. For specific quantity requirements and pricing tiers, please contact us with your project details and we’ll provide a tailored quotation.

Ready to Source Your Brake Caliper L AZ4007443010?

Stop searching and start ordering. Mettlead delivers OEM-quality Sinotruk Sitrak brake calipers at factory-direct prices, backed by strict quality control and fast global shipping. Whether you need a single unit or a bulk order for your fleet, our team is ready to provide competitive pricing and reliable lead times.

Get your quote today:
Contact Mettlead Now — tell us your required quantity, destination, and any packaging preferences, and we’ll respond with a detailed offer within 24 hours.

Explore more parts: Sitrak Heavy-Duty Parts | Braking System Components | Full Sinotruk Sitrak Parts Guide