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The MQ6-56936-2479 Orin small intake elbow is a genuine SINOTRUK HOWO component engineered to deliver smooth, unrestricted airflow into the MC13 engine’s intake manifold. As a critical element of the trusted Sinotruk howo parts family, this precision‑cast elbow ensures optimal air delivery for efficient combustion, directly impacting power output and fuel economy. Manufactured from high‑strength aluminum alloy with a smooth internal surface, the MQ6-56936-2479 unit minimizes flow resistance and pressure drop, enhancing turbocharger response. Its robust construction withstands extreme temperatures and vibration in mining, construction, and long‑haul applications. Investing in this authentic component guarantees your Howo engine breathes freely, maximizing performance and longevity.
Orin Small Intake Elbow Mc 13
Впускной патрубок Orin Mc 13
The MQ6-56936-2479 intake elbow is precision‑cast from a high‑grade aluminum alloy (AlSi7Mg) that offers excellent strength‑to‑weight ratio and thermal conductivity. The smooth internal surface is achieved through precision core placement and shot blasting, minimizing airflow turbulence and pressure loss. The elbow is designed with a carefully calculated bend radius to maintain laminar flow, ensuring that the MC13 engine receives a consistent, high‑volume air charge for optimal combustion.
Each MQ6-56936-2479 elbow undergoes rigorous quality control, including dimensional inspection and pressure testing to verify integrity. The mounting flange is machined to exacting tolerances, ensuring a perfect seal with the intake manifold and turbocharger outlet. A heat‑resistant O‑ring groove is integrated to accommodate the sealing element, preventing air leaks. This meticulous attention to detail guarantees that the elbow delivers reliable, leak‑free performance under the most demanding conditions.
The table below provides detailed technical data for the genuine SINOTRUK HOWO MQ6-56936-2479 Orin small intake elbow. These specifications are essential for verifying compatibility and understanding its performance capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | MQ6-56936-2479 | SINOTRUK HOWO Original Code |
| Product Name | Orin Small Intake Elbow Mc 13 | For MC13 engine intake system |
| Material | Aluminum alloy AlSi7Mg (cast) | Lightweight, high strength |
| Inlet Diameter | 80 mm | ±0.5 mm |
| Outlet Diameter | 80 mm | ±0.5 mm |
| Centerline Radius | 100 mm | Optimized for flow |
| Wall Thickness | 3.5 mm | Uniform |
| Weight (approx.) | 0.9 kg | Lightweight |
| Maximum Operating Temperature | 200°C (continuous) | Suitable for charged air |
| Applicable Engines | MC13 (Euro‑5 / Euro‑6) | Also compatible with MC11 |
The MQ6-56936-2479 intake elbow is specifically designed for the MC13 engine family used in Howo T7H and C7H heavy‑duty trucks. It connects the turbocharger outlet or charge air cooler to the intake manifold, directing compressed air into the cylinders. Its smooth internal contour and precise bend radius minimize turbulence, ensuring that the engine receives a dense, high‑volume air charge for complete combustion. This directly translates to improved power, lower exhaust temperatures, and reduced fuel consumption.
In chassis applications, the intake elbow is exposed to high under‑hood temperatures and vibration. The genuine MQ6-56936-2479 elbow’s aluminum alloy construction and robust design withstand these conditions without cracking or deforming. A damaged or leaking elbow can cause boost leaks, resulting in power loss and increased smoke. Using a genuine elbow ensures that the intake system maintains its integrity, protecting the engine from dust ingress and maintaining optimal performance.
When replacing the intake elbow, always use a new O‑ring and ensure the mating surfaces are clean. Torque the mounting bolts to the specification in the service manual (typically 25‑30 Nm) to prevent distortion.
Correct installation of the MQ6-56936-2479 intake elbow is essential to ensure leak‑free operation and long service life. Follow these steps:
Disconnect the intake duct and remove the old elbow. Clean the mounting flange on the intake manifold and turbocharger outlet thoroughly. Inspect for any damage or debris.
Install a new O‑ring in the groove of the elbow. Position the elbow and hand‑tighten the mounting bolts. Torque the bolts evenly to the specified value in a criss‑cross pattern.
Reconnect the intake duct. Start the engine and check for boost leaks using a smoke machine or soapy water. Verify that turbocharger response is normal.
A damaged or leaking intake elbow can significantly reduce engine performance. Common signs that replacement is needed include:
If any of these symptoms are observed, immediate replacement with a genuine MQ6-56936-2479 elbow is recommended. Continuing to operate with a faulty intake elbow can lead to turbocharger damage and increased emissions.
The smooth internal surface and precise geometry ensure minimal pressure drop, allowing the engine to breathe freely and produce rated power.
High‑quality aluminum alloy and precision casting resist thermal fatigue and vibration, providing reliable service for hundreds of thousands of kilometers.
The precision‑machined flange and O‑ring groove guarantee a leak‑free connection, preventing boost loss and protecting the engine from unfiltered air.
To maximize the service life of your MQ6-56936-2479 intake elbow, follow these best practices:
By adhering to these guidelines, you ensure that the MQ6-56936-2479 elbow performs optimally throughout its intended service interval.
Aftermarket intake elbows are often made from lower‑grade materials with poor casting quality, leading to internal roughness, dimensional inaccuracy, and premature cracking. The genuine MQ6-56936-2479 is manufactured to the exact specifications of the original equipment, using certified aluminum alloy and precision casting techniques. Each elbow is inspected for porosity, surface finish, and dimensional accuracy, guaranteeing that it will perform exactly as the original part.
By choosing authentic SINOTRUK HOWO parts, you protect your investment and ensure your truck maintains its power, fuel economy, and resale value. The Sinotruk howo parts catalog includes a full range of intake and engine components engineered for maximum durability. For fleet managers and owner‑operators who demand the best, the genuine MQ6-56936-2479 is the only responsible choice.
The MQ6-56936-2479 intake elbow is used across a wide range of Howo models: T7H, C7H, and classic Howo‑7 series equipped with the MC13 engine. It may also fit MC11 engines with similar intake layouts. Always verify the inlet/outlet diameter and flange pattern using the service manual.
Each MQ6-56936-2479 is individually packaged in a protective box with foam inserts to prevent damage during shipping. The package includes the elbow only; the O‑ring and mounting bolts may need to be ordered separately.
Production of the MQ6-56936-2479 takes place in IATF 16949 certified facilities, using precision casting and CNC machining with in‑process gauging. Statistical process control ensures that dimensional variations are kept to a minimum. Every batch is accompanied by a material certificate and pressure test report, guaranteeing that the elbows delivered are identical to those fitted on new Howo trucks at the factory.
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