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The fuel tank cap is a critical yet often overlooked component that seals the fuel tank, preventing fuel evaporation, contamination, and spillage while maintaining the correct pressure in the fuel system. For SINOTRUK HOWO heavy-duty trucks, the OEM number 812W97100-6274 identifies a premium-quality fuel tank cap engineered to deliver reliable sealing, durability, and precise fitment under the most demanding operating conditions. As a trusted supplier of Sinotruk howo parts, Deruna offers this genuine fuel tank cap, manufactured to the strictest OEM specifications.
This component features a robust locking mechanism, a high-quality sealing gasket, and a corrosion-resistant construction that ensures a tight, leak-proof seal even under extreme temperature fluctuations and vibration. Its advanced design includes a pressure-relief valve that maintains optimal fuel system pressure, reducing emissions and improving fuel efficiency. Whether you are replacing a worn or damaged cap, this component delivers the sealing integrity and reliability that SINOTRUK HOWO trucks demand.
OEM direct replacement – no modifications needed | Engineered for SINOTRUK HOWO fuel systems
Fuel Tank Cap
Крышка топливного бака
Tapa del depósito de combustible
Fuel Tank Cap
Крышка топливного бака
Tapa del depósito de combustible
Fuel Tank Cap
Крышка топливного бака
Tapa del depósito de combustible
The 812W97100-6274 fuel tank cap is a precision-engineered sealing component designed specifically for SINOTRUK HOWO heavy-duty trucks. It provides a secure, airtight seal for the fuel tank, preventing fuel evaporation, contamination, and spillage while maintaining the correct fuel system pressure. This cap is manufactured to exacting OEM tolerances, ensuring a perfect fit and reliable performance in all operating conditions.
The cap features a robust zinc-plated steel or high-grade plastic housing, a durable rubber sealing gasket, and a precision locking mechanism that ensures secure closure. Its integrated pressure-relief valve allows for controlled venting of excess pressure, protecting the fuel tank from damage due to thermal expansion or over-pressurization. The cap’s ergonomic design provides a comfortable grip for easy tightening and loosening, even when wearing heavy work gloves.
Investing in the genuine 812W97100-6274 fuel tank cap ensures that your truck maintains optimal fuel system integrity, reduces emissions, and prevents costly fuel losses. It is the preferred choice for fleet operators and workshops that demand uncompromised quality and reliability from their fuel system components.
| OEM Number | 812W97100-6274 |
| Part Name | Fuel Tank Cap |
| Brand | SINOTRUK HOWO |
| Component Category | Chassis / Fuel System |
| Housing Material | Zinc-plated steel / High-grade plastic |
| Seal Material | Nitrile rubber (NBR) |
| Weight (approx.) | 0.25 kg (0.55 lbs) |
| Overall Diameter | 80 mm |
| Overall Height | 45 mm |
| Thread Type | Bayonet / twist-lock (OEM specification) |
| Pressure Relief Valve Setting | 0.5 bar (7 psi) |
| Operating Temperature Range | -40°C to +85°C |
| Corrosion Protection | Zinc plating / powder coating |
| Application | SINOTRUK HOWO A7, T7, 6×4, 8×4, and most heavy-duty models |
All values are based on OEM engineering specifications for the 812W97100-6274 fuel tank cap. Minor deviations may occur due to manufacturing tolerances.
The 812W97100-6274 cap features a robust locking mechanism that ensures the cap remains securely fastened, preventing accidental opening and fuel theft.
The durable NBR rubber gasket provides a reliable, leak-proof seal that prevents fuel evaporation and contamination.
The integrated pressure-relief valve protects the fuel tank from over-pressurization, reducing emissions and maintaining system integrity.
The zinc-plated or powder-coated finish provides excellent resistance to rust and corrosion, ensuring long-lasting performance.
The cap’s design provides a comfortable, non-slip grip for easy tightening and loosening, even in adverse conditions.
With its durable materials and precision construction, this fuel tank cap delivers long-lasting performance, reducing the need for frequent replacements.
The fuel tank cap is a critical component that directly affects fuel system integrity, emissions, and safety. Using a counterfeit or substandard cap can lead to fuel evaporation, contamination, pressure loss, and even fuel leaks. The genuine 812W97100-6274 fuel tank cap eliminates these risks through OEM-grade materials, precision manufacturing, and rigorous quality testing.
Key benefits of choosing the authentic 812W97100-6274:
Deruna sources the 812W97100-6274 fuel tank cap directly from authorized manufacturers, subjecting each unit to a thorough quality inspection. We package each component securely to prevent damage during shipping, so it arrives ready for installation.
Proper installation and regular maintenance are essential to maximize the service life and performance of the 812W97100-6274 fuel tank cap. Follow these best practices:
Before installing the 812W97100-6274 cap, inspect the fuel tank neck and sealing surface for damage or debris. Clean thoroughly before installation.
Apply a thin layer of clean diesel fuel or silicone grease to the sealing gasket to facilitate installation and prevent dry-rot.
Tighten the 812W97100-6274 cap firmly until the locking mechanism engages. Do not over-tighten, as this may damage the seal.
Regularly inspect the 812W97100-6274 cap for signs of wear, cracking, or seal deterioration. Replace immediately if any damage is detected.
Always refer to the SINOTRUK HOWO service manual for detailed fuel system procedures and inspection intervals. Regular maintenance of the 812W97100-6274 fuel tank cap ensures optimal fuel system integrity and emissions compliance.
The 812W97100-6274 fuel tank cap is compatible with a wide range of SINOTRUK HOWO heavy-duty trucks and commercial vehicles, including:
For models not listed, cross-reference your original fuel tank cap part number with 812W97100-6274. This cap is designed to fit SINOTRUK HOWO fuel tanks with standard bayonet or twist-lock neck configurations. Please consult your vehicle’s service manual or a qualified technician to confirm compatibility.
The 812W97100-6274 fuel tank cap is a vital component of the SINOTRUK HOWO fuel system, providing reliable sealing, pressure control, and contamination protection in the most demanding heavy-duty applications. Its robust construction, high-quality sealing gasket, and integrated pressure-relief valve ensure that your truck maintains optimal fuel system integrity, time after time.
By choosing the genuine 812W97100-6274 part, you protect your vehicle from the dangers of inferior aftermarket alternatives – poor sealing, fuel evaporation, and potential safety hazards. Instead, you invest in a component rigorously tested and validated by SINOTRUK HOWO, giving you peace of mind on every journey. Its superior materials, precision engineering, and corrosion resistance contribute to lower maintenance costs, reduced downtime, and enhanced fuel efficiency.
As a dedicated supplier of Sinotruk howo parts, Deruna is committed to delivering the 812W97100-6274 fuel tank cap with the highest level of quality assurance. Every unit is inspected to meet OEM specifications, ensuring that you receive a product you can trust.
Equip your SINOTRUK HOWO with the genuine 812W97100-6274 fuel tank cap – engineered for strength, precision, and uncompromising sealing performance.
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