The 712-#0486-0001 Engine Sound Insulation Panel is a premium acoustic solution engineered specifically for the C7h Tractor, proudly offered within the Howo/Sitrak truck parts portfolio. This advanced insulation panel dramatically reduces engine noise penetration into the cabin, creating a quieter, more comfortable environment for drivers. With the 712-#0486-0001, you experience a substantial decrease in decibel levels, which directly contributes to reduced driver fatigue and enhanced concentration during long-haul operations.
Manufactured from high-density, heat-resistant acoustic foam with a robust aluminized outer layer, the 712-#0486-0001 not only dampens sound but also reflects thermal radiation. This dual-function design protects the cabin from engine heat while maintaining an acoustically optimized environment, ensuring your C7h Tractor delivers a superior driving experience mile after mile.
The 712-#0486-0001 features a multi-layer composite construction that absorbs a wide frequency range of engine noise. Independent laboratory tests confirm a noise reduction of up to 12 dB(A) inside the cabin, transforming the C7h Tractor into a peaceful workspace.
This significant decrease in sound pressure level minimizes driver distraction, reduces stress, and improves communication between crew members, making it an essential upgrade for fleets prioritizing driver comfort and safety.
Engineered with a high-temperature aluminized facing, the 712-#0486-0001 reflects up to 90% of radiant heat, significantly lowering cabin temperatures. This not only improves air conditioning efficiency but also protects the panel from degradation caused by prolonged heat exposure.
The panel meets stringent fire retardancy standards (UL94 V-0), providing an additional safety layer in the event of an under-hood fire. Its self-extinguishing properties ensure that the part contributes to overall vehicle safety without compromising performance.
The 712-#0486-0001 is precisely die-cut to match the engine bay contours of the C7h Tractor. This ensures a seamless installation with no gaps, maximizing acoustic and thermal performance. It integrates perfectly with existing mounting points, simplifying retrofitting.
Manufactured using eco-friendly, non-toxic materials, the part offers exceptional durability. It resists oil, grease, and common engine fluids, ensuring long-term performance without material breakdown. The panel is also recyclable at the end of its service life.
| Parameter | Specification |
|---|---|
| OEM Number | 712-#0486-0001 |
| Product Name | Engine Sound Insulation Panel |
| Brand | HOWO / Sitrak |
| Vehicle Model | C7h Tractor |
| Material | Acoustic Foam + Aluminized PET |
| Thickness | 25 mm (nominal) |
| Noise Reduction | Up to 12 dB(A) |
| Fire Rating | UL94 V-0 |
C7h Tractor – All standard and high-roof cab variants (2018–present).
Sitrak – Compatible with C7H-based chassis and heavy-duty tractor units.
the part dramatically reduces cabin noise levels, allowing drivers to enjoy clearer audio from communication systems and entertainment devices. Lower noise also reduces the risk of hearing fatigue over extended shifts.
Studies have shown that a 10 dB reduction in cabin noise can improve driver alertness by over 20%. By installing the part, fleet operators can expect fewer errors, better fuel economy due to relaxed driving, and improved overall job satisfaction among drivers.
Investing in the 712-#0486-0001 yields substantial returns through increased driver retention, reduced turnover costs, and improved vehicle resale value. The panel’s durability ensures it will outlast many other cabin components.
Additionally, the thermal insulation properties of the 712-#0486-0001 reduce air conditioning load, contributing to lower fuel consumption in hot climates. This dual benefit makes it a smart, cost-effective upgrade for any C7h Tractor fleet.
The 712-#0486-0001 is manufactured under ISO 9001:2015 and IATF 16949 certified facilities, ensuring the highest quality standards. Each panel undergoes rigorous acoustic and thermal testing before leaving the factory.
The materials used are free from asbestos and heavy metals, complying with global environmental regulations such as RoHS and REACH. Choosing the 712-#0486-0001 means investing in a sustainable, high-performance product that supports corporate social responsibility goals.
Installing the 712-#0486-0001 is a simple process that requires basic hand tools. The panel comes pre-drilled with alignment holes corresponding to existing mounting studs on the C7h Tractor firewall. A detailed installation guide is included.
Maintenance is minimal – periodic cleaning with a soft brush or compressed air removes dust and debris. The aluminized surface resists corrosion and can be wiped with a mild detergent if necessary. The 712-#0486-0001 is engineered to provide reliable service for the lifetime of the vehicle.
Fire Safe – Self-extinguishing material meets international safety standards.
Heat Reflector – Reduces cabin temperature by up to 15°C in direct sunlight.
The 712-#0486-0001 Engine Sound Insulation Panel is the definitive solution for C7h Tractor owners seeking a quieter, cooler, and more comfortable cabin environment.
With its superior acoustic and thermal performance, robust construction, and perfect fit, this panel enhances driver wellbeing and vehicle efficiency. Choose the 712-#0486-0001 for a premium driving experience that sets a new standard in heavy-duty trucking.
OEM 712-#0486-0001 · HOWO Sound Insulation · Engineered for Silence and Comfort.
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