Product Introduction

This Short Pin WG4007443014 is a precision-engineered OEM short pin for heavy duty truck brake calipers, specifically designed as a complementary component to the long pin (WG4007443013) for commercial vehicle disc brake systems. It features a high-strength alloy steel construction, precision-machined dimensions, and a corrosion-resistant finish, built to deliver stable positioning and guidance for brake caliper components under heavy-load operations.

Performance

• High-Strength Material: This heavy duty brake caliper short pinis forged from premium alloy steel, offering exceptional shear resistance and tensile strength to withstand extreme braking forces as a high performance caliper guide pin.

• Micron-Level Precision: The precision-ground cylindrical surface ensures zero clearance fit with caliper bores, eliminating lateral play and ensuring smooth sliding movement of the caliper.

• Corrosion & Wear Resistance: The anti-rust electroplated finish provides long-lasting protection against road salt, moisture, and debris, extending service life in harsh undercarriage environments and making it a reliable replacement short pin for brake calipers.

• Perfect Compatibility: Optimized for heavy-duty truck front/rear brake calipers (matching AZ4007443010/AZ4007444210 series), it is ideal as a short guide pin for commercial vehicle brake systems.

Core Function

1. Serves as a critical guide and positioning component for brake calipers, working in tandem with the long pin to ensure parallel movement of the caliper housing—a core part of heavy duty truck brake parts.

2. Enables smooth, friction-free sliding of the caliper during braking, ensuring uniform pad wear and consistent clamping force on the brake disc.

3. Resists bending and deformation under repeated mechanical stress, maintaining the structural integrity of the brake caliper assembly.

Short Pin WG4007443014 Sinotruk Sitrak – OEM Brake Caliper Short Pin for Heavy-Duty Trucks

When it comes to keeping your heavy-duty truck’s braking system performing at its best, every single component matters — even the smallest pin. The Short Pin WG4007443014 is a precision-engineered OEM brake caliper short pin specifically designed for Sinotruk Sitrak commercial vehicles. Working hand-in-hand with the long pin (WG4007443013), this short pin ensures stable positioning and reliable guidance for your disc brake caliper assembly, even under the most demanding heavy-load operations. At Mettlead, we supply this genuine part directly from the factory, which means you get uncompromised quality at a competitive price — delivered fast, anywhere in the world.

Key Features and Benefits of Short Pin WG4007443014

This isn’t just another pin — it’s a critical safety component engineered to meet the rigorous demands of commercial vehicle braking. Here’s why procurement managers trust this part:

• High-Strength Alloy Steel Construction: Built from premium alloy steel, this short pin resists deformation and fatigue even under extreme braking forces, ensuring long-lasting durability in heavy-duty applications.
• Precision-Machined Dimensions: Every pin is CNC-machined to exact OEM tolerances, guaranteeing a perfect fit within the brake caliper housing and eliminating play or misalignment.
• Corrosion-Resistant Surface Finish: A specialized anti-corrosion coating protects the pin from rust and environmental degradation, extending service life in harsh operating conditions.
• Stable Caliper Positioning: As the complementary component to the long pin WG4007443013, this short pin provides essential lateral guidance, keeping the caliper aligned for even pad wear and consistent braking performance.
• Direct OEM Replacement: Designed as a drop-in replacement, it requires no modifications — simply remove the worn pin and install the new one for immediate, reliable performance.
• Factory-Direct Pricing: By sourcing directly from Mettlead, you eliminate middlemen and reduce your procurement costs without sacrificing quality.

Application Scenarios – Where Does This Short Pin Fit?

Understanding exactly where and when you need the Short Pin WG4007443014 Sinotruk Sitrak helps you plan your inventory more effectively. This component serves a specific yet essential role in the braking system:

• Compatible Vehicles: Sinotruk heavy-duty trucks and Sitrak (汕德卡) series commercial vehicles equipped with disc brake caliper systems.
• Component Function: Chassis connection short pin shaft used within the brake caliper sliding mechanism to guide and position caliper brackets during braking engagement.
• Use Cases: New vehicle assembly line installation, routine maintenance replacement, and wear-part renewal during scheduled brake system overhauls.
• Replacement Indicator: Should be inspected and replaced when visible wear, scoring, or corrosion is detected on the pin surface, or when brake caliper movement becomes uneven or restricted.

For the complete range of Sitrak brake system components, explore our Braking System Parts Category. You can also browse all available Sitrak parts on our Sitrak Heavy-Duty Parts Brand Page.

Technical Specifications

Below you’ll find the detailed technical parameters for the Short Pin WG4007443014. These specifications ensure you’re ordering the exact right part for your application:

For a comprehensive overview of all Sinotruk Sitrak truck parts organized by system and category, visit our Sinotruk Sitrak Truck Parts Full Category Guide.

OEM/ODM Capabilities

At Mettlead, we understand that different markets have different requirements. That’s precisely why we offer flexible OEM and ODM services tailored to your business needs:

• White-Label Packaging: We can supply the Short Pin WG4007443014 under your own brand packaging, helping you build brand recognition in your local market without investing in manufacturing.
• Custom Packaging Solutions: Whether you need individual blister packs, bulk industrial packaging, or branded boxes with your logo and part numbers, we accommodate your specifications.
• Strict Quality Control: Every batch undergoes dimensional inspection, hardness testing, and surface finish verification before shipment — so you can confidently stand behind the parts you sell.
• Flexible Order Quantities: From trial orders to large-volume procurement, we work with you to find the right balance between inventory investment and supply security.
• Technical Documentation Support: We provide detailed technical drawings and material certificates upon request, making it easier for you to satisfy your own customers’ quality requirements.

Frequently Asked Questions – Short Pin WG4007443014

What is the function of Short Pin WG4007443014 in the brake caliper?

The Short Pin WG4007443014 serves as a guide pin within the disc brake caliper assembly. It works together with the long pin (WG4007443013) to allow the caliper bracket to slide smoothly during braking. Essentially, it ensures that the brake pads engage evenly against the rotor, which is critical for safe and consistent stopping power in heavy-duty trucks.

Is this short pin compatible with all Sinotruk models?

This particular short pin is designed specifically for Sinotruk Sitrak series heavy-duty trucks equipped with disc brake caliper systems. While it may physically resemble pins used in other Sinotruk models like HOWO, we strongly recommend verifying the OEM part number WG4007443014 against your vehicle’s parts catalog before ordering to ensure correct fitment.

How do I know when the Short Pin WG4007443014 needs replacement?

You should inspect the short pin during every brake service interval. Common signs that replacement is needed include visible scoring or grooves on the pin surface, corrosion or pitting that compromises the smooth finish, uneven brake pad wear indicating caliper misalignment, or any resistance or binding when the caliper slides. If any of these conditions are present, replacing the pin promptly helps prevent more costly brake system damage.

Should I replace the short pin and long pin together?

While it’s not always mandatory, replacing both the Short Pin WG4007443014 and the Long Pin WG4007443013 simultaneously is considered best practice. Both pins experience similar wear conditions, and replacing them as a set ensures balanced caliper movement and optimal braking performance. Moreover, ordering both together from Mettlead can be more cost-effective and reduces future downtime.

What material is this short pin made from, and how does it handle harsh environments?

The Short Pin WG4007443014 is manufactured from high-strength alloy steel, which provides excellent resistance to mechanical stress and fatigue. Additionally, the corrosion-resistant surface coating (zinc or chrome plating) protects the pin from moisture, road salt, and chemical exposure — making it well-suited for trucks operating in demanding climates and rough terrain conditions.

Can I order a sample before placing a bulk order?

Absolutely. We encourage procurement managers to request samples so you can verify fitment, quality, and finish before committing to larger quantities. Simply reach out to our team, and we’ll arrange a sample shipment promptly.

Ready to Secure Your Supply? Get a Quote Today

Whether you’re stocking up for fleet maintenance or sourcing brake caliper pins for your parts distribution business, Mettlead is your reliable factory-direct partner for the Short Pin WG4007443014 Sinotruk Sitrak. We offer competitive pricing, fast lead times, and the flexibility to meet your specific packaging and volume requirements.

Don’t let brake component shortages slow down your operations. Contact us now to request pricing, check stock availability, or discuss your custom OEM packaging needs. Our team typically responds within 24 hours — because we know that in your business, time is money.