

Front Wall Firewall Assembly
Сборка передней стенки/перегородки
Conjunto de pared frontal / cortafuegos
The genuine Shacman X5000 Front Wall Firewall Assembly with OEM number DZ97189777099 is a precision‑engineered structural and insulating component that forms the primary barrier between the engine compartment and the cab interior on Shacman X5000 heavy‑duty trucks. This complete assembly provides critical thermal insulation, sound deadening, and fire protection, ensuring a comfortable, quiet, and safe cabin environment for the driver and passengers.
Manufactured to exact Shacman specifications, DZ97189777099 features high‑density, heat‑resistant composite materials with a robust steel backing, designed to withstand extreme engine temperatures, vibration, and road impact. Every contour and mounting point matches the original firewall structure, guaranteeing a direct, bolt‑on fit without modifications. This assembly is essential for restoring factory‑level cabin comfort and safety after damage, corrosion, or during a complete cab restoration.
A degraded or missing firewall assembly can allow excessive engine heat, noise, and exhaust fumes to enter the cab, compromising driver comfort and safety. Installing OEM DZ97189777099 restores the thermal and acoustic barrier, reducing interior temperatures and noise levels while protecting against fire risks. This assembly is a critical component for maintaining the X5000’s premium cabin environment.
Each DZ97189777099 firewall assembly is 100% inspected for dimensional accuracy, material integrity, and insulation performance. Choose genuine Shacman quality for superior cabin protection and comfort in your X5000.
| Parameter | Specification |
|---|---|
| OEM Part Number | DZ97189777099 |
| Product Name | Front Wall Firewall Assembly / Cab Bulkhead Insulation Panel |
| Brand | Shacman (Genuine OEM) |
| Application | Shacman X5000 – Engine bulkhead, cabin firewall insulation |
| Material – Core | High‑density EPDM/foam composite, heat‑resistant to 150°C |
| Material – Backing | Galvanized steel sheet (0.8 mm) with anti‑corrosion coating |
| Thickness | 25 mm (nominal) |
| Sound Absorption Coefficient | ≥ 0.85 (ISO 354, 500‑2000 Hz range) |
| Thermal Conductivity | ≤ 0.04 W/m·K |
| Flame Retardancy | V‑0 rated (UL 94) / FMVSS 302 compliant |
| Weight (approx.) | 3.8 kg |
| Standards | ISO 9001, IATF 16949, Shacman Q/SC 799 |
The Shacman front wall firewall assembly DZ97189777099 is engineered with a multi‑layer construction that provides superior thermal and acoustic insulation. The core consists of a high‑density EPDM/foam composite that is lightweight yet highly effective at blocking heat transfer and absorbing sound vibrations. This core is bonded to a rigid galvanized steel backing that adds structural strength and protects against impact and abrasion. The assembly is precision‑cut to match the exact contours of the X5000 firewall, with pre‑punched holes for mounting bolts and cable pass‑throughs, ensuring a seamless fit without the need for trimming.
The materials are selected for their resistance to high temperatures (up to 150°C), oil, coolant, and road salts, ensuring long‑term durability in the harsh engine‑bay environment. The flame‑retardant properties meet FMVSS 302 and UL 94 V‑0 standards, providing an extra layer of safety in the event of an engine fire. Each assembly is 100% inspected for dimensional accuracy, material bonding, and insulation performance. Random samples are subjected to thermal cycling (-40°C to +150°C, 500 cycles), vibration (20G, 10‑2000 Hz), and salt spray (240 hours) to validate durability. These rigorous controls guarantee that the DZ97189777099 firewall assembly provides reliable, long‑lasting cabin protection.
The unique combination of dense foam and steel backing effectively reduces engine noise and vibration transmitted into the cab, significantly improving driver comfort during long hauls. The high thermal resistance keeps the cabin cooler in hot climates and reduces the load on the HVAC system, contributing to fuel efficiency. The assembly also minimizes the ingress of exhaust fumes and engine odors, enhancing air quality inside the cab.
The front wall firewall assembly is a crucial component that separates the hot, noisy engine compartment from the driver’s cabin. A degraded or missing firewall can lead to excessive cabin heat, increased noise levels, and the potential for exhaust fumes to enter the breathing space, all of which negatively affect driver alertness, health, and comfort. The DZ97189777099 assembly is designed to provide a complete barrier, reducing interior noise by up to 10 dB and lowering cabin temperatures by as much as 15°C in extreme conditions. The flame‑retardant materials also provide a vital safety barrier, slowing the spread of fire and protecting the occupants. By restoring the factory insulation, this assembly ensures that the X5000’s cabin environment remains safe, comfortable, and conducive to long‑distance driving.
In addition to thermal and acoustic benefits, the firewall assembly also plays a role in structural integrity, helping to stiffen the cab and reduce flex. The galvanized steel backing prevents corrosion and provides a durable mounting surface for other cab components. Fleet operators who prioritize driver comfort and safety will appreciate the reliability and ease of installation of this assembly, which reduces driver fatigue and increases overall productivity. The assembly’s precise fitment also ensures that all existing wiring, hoses, and controls pass through with proper clearance, maintaining the integrity of the vehicle’s systems. By using the genuine Shacman firewall, operators avoid the risks associated with aftermarket solutions that may not fit correctly or provide adequate insulation.
The combination of thermal barrier, sound deadening, and flame‑retardant properties makes the DZ97189777099 an essential safety and comfort component. It prevents engine heat from baking the cab floor and reduces the risk of burns to feet and legs. The sound absorption also reduces driver stress and fatigue, while the fire‑retardant materials provide crucial extra seconds for escape in emergencies.
Installing the Shacman front wall firewall assembly DZ97189777099 is a moderate‑level procedure for trained technicians. Begin by disconnecting the vehicle’s battery and removing any interior trim or components that obstruct access to the firewall (such as the dashboard lower panels, pedals, and steering column). Carefully remove the old firewall assembly (if present) by unbolting the fasteners and disconnecting any harnesses or hoses that pass through. Clean the mounting surface on the cab bulkhead, and position the new assembly, ensuring all pre‑cut holes align with the existing mounting points and pass‑throughs. Secure the assembly using the provided bolts and clips, torquing to specification. Reinstall any removed interior components and reconnect all systems. Test the HVAC system, wiring, and pedals to ensure proper operation.
This firewall assembly is compatible with all Shacman X5000 models from 2015 onward, including the X5000 M12, heavy‑haul, and construction variants, as well as trucks with manual or automatic transmissions. It directly replaces original part numbers DZ97189777098 and DZ97189777100. Applications include the front bulkhead insulation panel. Always verify the OEM marking DZ97189777099 on the assembly label before installation. If the vehicle has undergone modifications, ensure that the new assembly does not interfere with any aftermarket components.
Keep a spare DZ97189777099 firewall assembly in your parts inventory for quick replacement in case of damage. After installation, inspect the cabin for any signs of heat or noise leakage. If the insulation performance is not as expected, check for gaps or misalignment in the installation.
Periodically inspect the firewall assembly for signs of wear, moisture absorption, or delamination. If the material becomes brittle or the steel backing shows corrosion, replace the assembly immediately. The assembly is designed to be maintenance‑free; however, if the vehicle is used in extreme conditions, more frequent inspections may be warranted. Ensure that all pass‑through grommets remain intact to prevent hot air or fumes from entering the cab.
Shacman X5000 trucks are used in a wide range of demanding applications, from construction and mining to long‑haul freight. The front wall firewall assembly DZ97189777099 is designed to withstand the harsh conditions encountered in these environments. The EPDM/foam core resists heat, oil, and moisture, while the galvanized steel backing provides structural integrity and corrosion protection. The assembly maintains its insulating properties across a broad temperature range from -40°C to +150°C, making it suitable for both arctic and desert climates.
In mining and construction trucks, where engine loads and vibration are high, the firewall assembly effectively reduces cabin noise and heat, improving driver comfort and reducing fatigue. For highway fleets, the assembly contributes to a quieter, more pleasant cab environment, enhancing long‑haul driver satisfaction. The flame‑retardant materials also provide an added safety margin in the event of an engine fire. By using the genuine Shacman assembly, operators avoid the reliability issues common with aftermarket parts, which may use lower‑grade materials that degrade quickly or fail to meet flammability standards. The DZ97189777099 assembly is also designed to accommodate the routing of wiring harnesses and air conditioning lines, ensuring a clean, organized installation without compromising the insulation seal.
Additionally, the assembly’s precise fitment helps to reduce wind noise and drafts, further improving the cabin environment. Its durable construction ensures that it will remain effective for the life of the vehicle, providing a solid return on investment. For fleet managers, standardizing on genuine Shacman firewall assemblies ensures consistent driver comfort and safety across the entire fleet.
1. Exact fitment: Designed specifically for X5000 firewall contours, with pre‑cut holes for perfect alignment. 2. Superior materials: EPDM/foam core with galvanized steel backing, offering excellent insulation and durability. 3. Thermal & acoustic performance: Reduces cabin heat and noise significantly, enhancing driver comfort. 4. Flame‑retardant: Meets FMVSS 302 and UL 94 V‑0 standards for added safety. 5. Full traceability: Batch‑coded with material test report and insulation performance certification.
Aftermarket firewall assemblies often use lower‑density materials that compress over time, or lack proper flame retardancy, compromising safety and performance. The genuine Shacman assembly’s premium construction ensures long‑lasting, reliable insulation. Investing in DZ97189777099 protects driver comfort and safety, reduces cabin noise, and enhances the vehicle’s resale value. For fleets, standardizing on genuine assemblies ensures consistent quality and performance across all trucks.
A poorly insulated cab can lead to higher HVAC loads, increased fuel consumption, and driver fatigue. Replacing a degraded firewall with the DZ97189777099 restores thermal efficiency, potentially reducing fuel costs and improving driver retention through a more comfortable cabin environment. The assembly’s durability also reduces the frequency of replacements, saving labor and material costs over the vehicle’s lifetime.
Shacman’s front wall firewall assembly DZ97189777099 is produced in an IATF 16949 certified facility. The EPDM/foam composite is manufactured under strict control, with density, thickness, and adhesion verified at each stage. The galvanized steel backing is stamped and formed to precise dimensions, and the two layers are bonded using high‑temperature, flame‑retardant adhesives. Each assembly is 100% inspected for dimensional accuracy, material consistency, and bonding integrity. The insulation performance is tested in accordance with ISO 354 for sound absorption and ISO 8301 for thermal resistance. Random samples are subjected to thermal cycling, vibration, and salt spray testing to validate long‑term durability. Only assemblies that pass all criteria are labeled with the OEM part number and packed in protective packaging.
This rigorous quality system ensures every DZ97189777099 assembly performs identically to the original factory component. Consistency is critical for maintaining cabin comfort and safety across your entire fleet. The facility also complies with REACH and RoHS environmental regulations, using only lead‑free, water‑based materials.
Genuine Shacman front wall firewall assembly DZ97189777099 is stocked by authorized distributors worldwide. Parts are supplied in sealed protective packaging, individually boxed with installation instructions, labeled with OEM part number and batch traceability. Bulk packs of 5 assemblies are available for fleet maintenance depots. Expedited shipping options are available through Shacman’s regional logistics hubs in North America, Europe, Asia, Africa, and the Middle East, with typical delivery within 3‑5 business days. Always purchase from certified dealers and verify the holographic authenticity label. Counterfeit assemblies may use inferior materials or incorrect dimensions, leading to poor insulation or safety hazards.
For preventive maintenance programs, automated replenishment ensures your workshop never runs out of essential firewall assemblies. Keep a stock of DZ97189777099 on every service truck to handle cab insulation repairs or assembly replacements in the field. Many fleets replace these assemblies during major cab overhauls to ensure optimal thermal and acoustic protection.
The Shacman Front Wall Firewall Assembly DZ97189777099 is a precision‑engineered insulation solution that provides superior heat, noise, and fire protection for the X5000 cabin. With robust materials, exact fitment, and proven performance, this genuine OEM assembly ensures driver comfort, safety, and vehicle durability. By choosing DZ97189777099, you restore a factory‑level cabin environment and protect your investment. Don’t trust generic aftermarket panels – insist on genuine Shacman quality for every firewall assembly replacement.