

| No. | Part No. | Name |
|---|---|---|
| 1 | ZQ150B0825TF6 | Hexagon Head Bolt M8 |
| 2 | YZ962593000017 | Right Soundproofing Panel (High Flame Retardancy) |
| 3 | ZQ340B0813F6 | Type 1 Hexagonal Nut M8 |
| 4 | ZQ1811430TF6 | Hexagon Flange Bolt with Serrations M14*1.5 |
| 5 | YZ962593000018 | Left Soundproofing Panel (High Flame Retardancy) |
| 6 | ZQ32514T13F6 | Hexagon Flange Nut with Serrations M14*1.5 |
| 7 | 712W42500-0203 | Bracket |
| 8 | Q40208 | Large Washer |
The Hexagon Head Bolt M8 is a high‑strength fastener used to secure the soundproofing panels and bracket to the vehicle chassis. Its zinc‑plated finish provides excellent corrosion resistance, ensuring long‑lasting performance in the engine bay environment. This bolt is a critical component of the C7H Tractor Engine Soundproofing Panel kit, providing reliable clamping force.
The Right Soundproofing Panel is a precision‑moulded acoustic insulation component designed to fit the right side of the engine compartment. It is manufactured from high‑density material with excellent sound‑absorbing properties, reducing engine noise transmitted into the cab. This panel features high flame retardancy, meeting stringent safety standards and providing an additional layer of fire protection. As part of the C7H Tractor Engine Soundproofing Panel, it contributes to a quieter and more comfortable driving environment.
The Type 1 Hexagonal Nut M8 is a standard metric nut used in conjunction with the M8 bolts to secure the soundproofing panels. It is manufactured from high‑grade steel with a corrosion‑resistant finish, ensuring a secure and vibration‑proof connection. This nut is essential for maintaining the integrity of the C7H Tractor Engine Soundproofing Panel assembly.
These heavy‑duty flange bolts are used for mounting the main soundproofing panels to the engine bay structure. The serrations under the head provide a self‑locking feature that prevents loosening under vibration, ensuring that the C7H Tractor Engine Soundproofing Panel remains securely attached even under severe operating conditions. The flange distributes clamping load evenly, protecting the panel material.
The Left Soundproofing Panel is the mirror‑image counterpart of the right panel, designed to fit the left side of the engine compartment. It offers the same high‑density acoustic insulation and flame‑retardant properties, ensuring balanced noise reduction on both sides. Together with the right panel, this component forms a complete acoustic barrier that significantly lowers cabin noise levels, making the C7H Tractor Engine Soundproofing Panel kit highly effective.
The Hexagon Flange Nut with Serrations M14*1.5 is the matching fastener for the M14 flange bolt, providing a secure and vibration‑resistant connection. Its serrated flange locks into the mating surface, preventing loosening. This nut is crucial for the structural integrity of the C7H Tractor Engine Soundproofing Panel, ensuring that the panels remain firmly in place throughout the vehicle’s life.
The Bracket is a robust steel component that provides additional support and alignment for the soundproofing panels. It is designed to fit the specific contours of the C7H engine bay, ensuring that the panels sit correctly and do not interfere with other components. This bracket is an integral part of the C7H Tractor Engine Soundproofing Panel kit, offering stability and durability.
The Large Washer is a galvanised steel ring that distributes the clamping load of the bolts over a wider area, protecting the soundproofing panels from damage. It also helps to prevent the bolt heads from pulling through the panel material. This washer is a small but essential component of the C7H Tractor Engine Soundproofing Panel, ensuring a secure and durable installation.
Our C7H Tractor Engine Soundproofing Panel is manufactured to Sinotruk’s original specifications, ensuring a perfect fit on the C7H tractor. The panels, bracket, and fasteners are designed to match the vehicle’s mounting points, guaranteeing a seamless installation that does not interfere with other components.
The high‑density acoustic material effectively absorbs engine noise, significantly reducing cabin sound levels. This C7H Tractor Engine Soundproofing Panel improves driver comfort, reduces fatigue on long journeys, and enhances the overall driving experience.
We supply all necessary fasteners – M8 bolts, M8 nuts, M14 flange bolts, M14 flange nuts, large washers, and the support bracket – for a full installation. No additional parts are required, making the C7H Tractor Engine Soundproofing Panel kit a ready‑to‑install solution.
The soundproofing panels are manufactured with high‑flame‑retardant materials, meeting strict safety regulations. They are also resistant to heat, oil, and vibration, ensuring long‑lasting performance in the demanding engine bay environment. This C7H Tractor Engine Soundproofing Panel offers both acoustic and fire protection.
The C7H Tractor Engine Soundproofing Panel is a vital upgrade for any Sitrak C7H operator seeking a quieter and more comfortable cab environment. Engine noise is a primary source of driver fatigue, and reducing it can lead to increased alertness and safety. This genuine kit provides a comprehensive solution that addresses both noise and heat insulation.
The soundproofing panels are constructed from a multi‑layer composite material that combines a dense barrier layer with an open‑cell foam absorber. This structure effectively traps and dissipates sound energy, reducing the transmission of both airborne and structure‑borne noise. The high‑flame‑retardant properties ensure that the panels meet the most stringent fire safety standards, providing an additional margin of safety.
The left and right panels are designed to mirror each other, providing balanced acoustic performance across the engine compartment. Their precise contours allow them to fit snugly around the engine, transmission, and auxiliary components, maximising coverage and minimising gaps through which noise can escape. This attention to detail is a hallmark of genuine Sinotruk parts.
The mounting hardware is equally important. The M8 bolts and nuts provide secure attachment for the panels, while the M14 flange bolts and nuts offer a robust connection for the main panel mounting points. The serrated flanges act as lock washers, ensuring that the fasteners remain tight even under severe vibration, a common issue in heavy‑duty trucks.
The bracket included in the kit serves a dual purpose: it provides additional support for the panels, preventing sagging or movement over time, and it also helps to correctly position the panels during installation. This bracket is precision‑formed to match the specific contours of the C7H chassis, ensuring a perfect fit and eliminating the need for modification.
The large washers are not just spacers; they protect the panel material from being crushed under the bolt heads, preventing damage and ensuring that the panels remain intact. They also help to spread the load, reducing the risk of cracking or deformation.
Installing the C7H Tractor Engine Soundproofing Panel kit is a straightforward task that can be completed with basic workshop tools. The process involves removing the old, worn panels (if any), cleaning the mounting surfaces, and then attaching the new panels using the supplied hardware. The bracket is bolted in place first, followed by the panels, and then all fasteners are torqued to specification.
For fleet operators, maintaining consistent soundproofing across the fleet can improve driver satisfaction and reduce turnover. The C7H Tractor Engine Soundproofing Panel is a cost‑effective way to enhance the working environment for drivers, leading to better performance and safety.
The flame‑retardant properties of the panels are certified to meet international standards, providing peace of mind in the event of an engine fire. This is an important consideration for trucks operating in hazardous environments or transporting sensitive cargo.
We recommend that the C7H Tractor Engine Soundproofing Panel be inspected periodically for signs of wear, such as cracks, tears, or dislodgement. Replacing damaged panels promptly ensures that the acoustic performance is maintained and that the engine bay remains protected.
The soundproofing material is also resistant to engine oil and coolant, which can sometimes leak onto the panels. This resistance prevents the material from degrading, ensuring a long service life.
All fasteners are supplied with the correct torque specifications in the installation manual. Following these values is essential to avoid over‑tightening, which could damage the panels or strip the threads.
We back our C7H Tractor Engine Soundproofing Panel with a 12‑month warranty against manufacturing defects. Our technical support team is available to assist with any installation or compatibility questions.
We ship worldwide with tracking. Expedited shipping is available. Use the Send Email or Get Quotation buttons to request a customised quote for your fleet.
Choosing a genuine C7H Tractor Engine Soundproofing Panel ensures that your truck retains its original noise insulation levels and safety standards. Aftermarket panels may not have the same material properties or fitment, leading to reduced effectiveness.
The bracket is made from high‑strength steel and is powder‑coated to resist rust, ensuring that it remains functional even after years of exposure to the elements.
We are committed to providing the highest quality components and exceptional customer service. Choose our C7H Tractor Engine Soundproofing Panel for peace of mind.
Don’t compromise on cab comfort or fire safety. Replace your worn or missing soundproofing panels with our genuine kit and enjoy the confidence that comes with a fully tested, factory‑fresh C7H Tractor Engine Soundproofing Panel.
We maintain a large stock to ensure fast dispatch, even for bulk orders. Contact our sales team for volume pricing and customised logistics solutions.
Thank you for considering our C7H Tractor Engine Soundproofing Panel for your Sitrak C7H. We are confident that our genuine OEM product will deliver the reliability and performance you expect from Sinotruk.
The C7H Tractor Engine Soundproofing Panel is a critical component for driver comfort and safety. Investing in genuine parts ensures that your truck provides a quiet and secure environment for the driver, enhancing productivity and wellbeing.
We provide a comprehensive installation guide with torque specifications and routing diagrams. The kit is designed for easy replacement, with all components clearly labelled for identification.
We are committed to helping you maintain your C7H in peak condition. Our technical helpline is staffed by engineers with deep knowledge of the insulation and cab systems.
With proper installation and regular inspection, this C7H Tractor Engine Soundproofing Panel will provide years of dependable service, keeping your cab quiet and comfortable.
Upgrade your C7H with the genuine C7H Tractor Engine Soundproofing Panel – the smart choice for comfort, safety, and long‑term value.
We are proud to be a trusted supplier of OEM Sinotruk parts. Contact us today to order your C7H Tractor Engine Soundproofing Panel and experience the quality that only genuine components can deliver.
Don’t wait until excessive engine noise affects your driving experience. Replace your aging panels with our genuine kit and enjoy the peace of mind that comes with a fully tested, factory‑fresh solution.
We are here to support your fleet’s needs with fast shipping and competitive pricing. Use the buttons above to request a quote or place your order.
The C7H Tractor Engine Soundproofing Panel is an essential part of your truck’s cab comfort and safety. Choose genuine Sinotruk parts for the best results.
We are confident that our genuine C7H Tractor Engine Soundproofing Panel will exceed your expectations. Order today and keep your C7H quiet, safe, and comfortable.
We are proud to offer this high‑quality C7H Tractor Engine Soundproofing Panel kit, which includes every component needed for a complete insulation upgrade. It is the most comprehensive solution available for the Sitrak C7H.
Our C7H Tractor Engine Soundproofing Panel is built to meet the highest standards of quality and durability. You can trust it to perform when you need it most.
We look forward to serving your Sitrak C7H needs. Thank you for choosing our genuine parts for your vehicle.
We are committed to providing the best service and quality. Trust our C7H Tractor Engine Soundproofing Panel to deliver the performance you expect.
Order now and ensure your truck is equipped with the best soundproofing solution available. We are here to support you every step of the way.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.